./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_55-pt_rwlock_rr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_55-pt_rwlock_rr.i -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 c5a5c14c57e06cfd3efa20a37113fb2e77fc1d7f7a430797d00e5c1b23749611 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:04:12,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:04:13,004 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:04:13,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:04:13,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:04:13,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:04:13,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:04:13,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:04:13,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:04:13,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:04:13,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:04:13,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:04:13,023 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:04:13,023 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:04:13,024 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:04:13,024 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:04:13,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:04:13,024 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:04:13,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:04:13,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:04:13,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:04:13,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:04:13,026 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:04:13,027 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:04:13,027 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:04:13,027 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:04:13,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:04:13,027 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:04:13,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:04:13,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:04:13,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:04:13,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:04:13,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:04:13,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:04:13,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:04:13,028 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:04:13,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:04:13,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:04:13,029 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:04:13,029 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:04:13,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:04:13,030 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5a5c14c57e06cfd3efa20a37113fb2e77fc1d7f7a430797d00e5c1b23749611 [2024-10-14 17:04:13,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:04:13,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:04:13,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:04:13,251 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:04:13,251 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:04:13,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_55-pt_rwlock_rr.i [2024-10-14 17:04:14,487 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:04:14,687 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:04:14,688 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_55-pt_rwlock_rr.i [2024-10-14 17:04:14,702 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62d57fd0c/e61dcc22e7f246498eba3c56dd9ad2e4/FLAGc640b87fd [2024-10-14 17:04:14,712 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62d57fd0c/e61dcc22e7f246498eba3c56dd9ad2e4 [2024-10-14 17:04:14,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:04:14,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:04:14,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:04:14,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:04:14,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:04:14,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:04:14" (1/1) ... [2024-10-14 17:04:14,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f295863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:14, skipping insertion in model container [2024-10-14 17:04:14,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:04:14" (1/1) ... [2024-10-14 17:04:14,758 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:04:15,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:04:15,057 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:04:15,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:04:15,151 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:04:15,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15 WrapperNode [2024-10-14 17:04:15,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:04:15,153 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:04:15,153 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:04:15,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:04:15,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,203 INFO L138 Inliner]: procedures = 262, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2024-10-14 17:04:15,205 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:04:15,205 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:04:15,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:04:15,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:04:15,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:04:15,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:04:15,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:04:15,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:04:15,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:04:15,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:04:15,269 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) [2024-10-14 17:04:15,271 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 [2024-10-14 17:04:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-10-14 17:04:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-10-14 17:04:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:04:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-14 17:04:15,312 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-14 17:04:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:04:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:04:15,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:04:15,314 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:04:15,414 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:04:15,418 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:04:15,524 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:04:15,524 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:04:15,549 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:04:15,550 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 17:04:15,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:04:15 BoogieIcfgContainer [2024-10-14 17:04:15,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:04:15,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:04:15,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:04:15,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:04:15,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:04:14" (1/3) ... [2024-10-14 17:04:15,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a6d1a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:04:15, skipping insertion in model container [2024-10-14 17:04:15,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (2/3) ... [2024-10-14 17:04:15,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a6d1a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:04:15, skipping insertion in model container [2024-10-14 17:04:15,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:04:15" (3/3) ... [2024-10-14 17:04:15,559 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_55-pt_rwlock_rr.i [2024-10-14 17:04:15,571 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:04:15,571 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-14 17:04:15,571 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:04:15,611 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-14 17:04:15,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 75 transitions, 157 flow [2024-10-14 17:04:15,668 INFO L124 PetriNetUnfolderBase]: 0/74 cut-off events. [2024-10-14 17:04:15,668 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 17:04:15,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 74 events. 0/74 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-10-14 17:04:15,672 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 75 transitions, 157 flow [2024-10-14 17:04:15,676 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 69 transitions, 141 flow [2024-10-14 17:04:15,683 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:04:15,688 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;@788c0df7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:04:15,688 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-14 17:04:15,696 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:04:15,696 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2024-10-14 17:04:15,696 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:04:15,696 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:15,696 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] [2024-10-14 17:04:15,697 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-10-14 17:04:15,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:15,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1788025649, now seen corresponding path program 1 times [2024-10-14 17:04:15,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:15,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551596410] [2024-10-14 17:04:15,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:15,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:15,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:15,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:15,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551596410] [2024-10-14 17:04:15,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551596410] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:15,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:15,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:04:15,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076134789] [2024-10-14 17:04:15,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:15,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:04:15,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:15,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:04:15,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:04:16,001 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 75 [2024-10-14 17:04:16,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 69 transitions, 141 flow. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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) [2024-10-14 17:04:16,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:16,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 75 [2024-10-14 17:04:16,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:16,074 INFO L124 PetriNetUnfolderBase]: 22/234 cut-off events. [2024-10-14 17:04:16,076 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 17:04:16,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299 conditions, 234 events. 22/234 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1004 event pairs, 7 based on Foata normal form. 0/205 useless extension candidates. Maximal degree in co-relation 269. Up to 38 conditions per place. [2024-10-14 17:04:16,081 INFO L140 encePairwiseOnDemand]: 69/75 looper letters, 14 selfloop transitions, 4 changer transitions 0/75 dead transitions. [2024-10-14 17:04:16,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 75 transitions, 189 flow [2024-10-14 17:04:16,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:04:16,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:04:16,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2024-10-14 17:04:16,092 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9155555555555556 [2024-10-14 17:04:16,093 INFO L175 Difference]: Start difference. First operand has 73 places, 69 transitions, 141 flow. Second operand 3 states and 206 transitions. [2024-10-14 17:04:16,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 75 transitions, 189 flow [2024-10-14 17:04:16,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 75 transitions, 188 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:04:16,100 INFO L231 Difference]: Finished difference. Result has 75 places, 71 transitions, 168 flow [2024-10-14 17:04:16,102 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=75, PETRI_TRANSITIONS=71} [2024-10-14 17:04:16,106 INFO L277 CegarLoopForPetriNet]: 73 programPoint places, 2 predicate places. [2024-10-14 17:04:16,106 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 71 transitions, 168 flow [2024-10-14 17:04:16,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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) [2024-10-14 17:04:16,106 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:16,106 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] [2024-10-14 17:04:16,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:04:16,107 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-10-14 17:04:16,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:16,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1421793796, now seen corresponding path program 1 times [2024-10-14 17:04:16,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:16,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654738282] [2024-10-14 17:04:16,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:16,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:16,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:16,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:16,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654738282] [2024-10-14 17:04:16,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654738282] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:16,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:16,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:04:16,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685697615] [2024-10-14 17:04:16,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:16,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:04:16,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:16,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:04:16,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:04:16,188 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 75 [2024-10-14 17:04:16,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 71 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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) [2024-10-14 17:04:16,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:16,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 75 [2024-10-14 17:04:16,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:16,250 INFO L124 PetriNetUnfolderBase]: 30/277 cut-off events. [2024-10-14 17:04:16,250 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-10-14 17:04:16,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 403 conditions, 277 events. 30/277 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1328 event pairs, 14 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 372. Up to 60 conditions per place. [2024-10-14 17:04:16,252 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 15 selfloop transitions, 4 changer transitions 0/76 dead transitions. [2024-10-14 17:04:16,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 76 transitions, 220 flow [2024-10-14 17:04:16,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:04:16,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:04:16,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 204 transitions. [2024-10-14 17:04:16,254 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9066666666666666 [2024-10-14 17:04:16,254 INFO L175 Difference]: Start difference. First operand has 75 places, 71 transitions, 168 flow. Second operand 3 states and 204 transitions. [2024-10-14 17:04:16,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 76 transitions, 220 flow [2024-10-14 17:04:16,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 76 transitions, 210 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:04:16,260 INFO L231 Difference]: Finished difference. Result has 77 places, 74 transitions, 192 flow [2024-10-14 17:04:16,260 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=77, PETRI_TRANSITIONS=74} [2024-10-14 17:04:16,261 INFO L277 CegarLoopForPetriNet]: 73 programPoint places, 4 predicate places. [2024-10-14 17:04:16,261 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 74 transitions, 192 flow [2024-10-14 17:04:16,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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) [2024-10-14 17:04:16,261 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:16,261 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] [2024-10-14 17:04:16,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:04:16,262 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-10-14 17:04:16,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:16,263 INFO L85 PathProgramCache]: Analyzing trace with hash -210870785, now seen corresponding path program 1 times [2024-10-14 17:04:16,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:16,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072806224] [2024-10-14 17:04:16,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:16,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:16,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:16,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:16,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072806224] [2024-10-14 17:04:16,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072806224] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:16,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:16,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:04:16,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729869632] [2024-10-14 17:04:16,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:16,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:04:16,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:16,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:04:16,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:04:16,336 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 75 [2024-10-14 17:04:16,336 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 74 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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) [2024-10-14 17:04:16,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:16,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 75 [2024-10-14 17:04:16,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:16,380 INFO L124 PetriNetUnfolderBase]: 49/348 cut-off events. [2024-10-14 17:04:16,380 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-10-14 17:04:16,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 536 conditions, 348 events. 49/348 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1819 event pairs, 11 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 504. Up to 84 conditions per place. [2024-10-14 17:04:16,382 INFO L140 encePairwiseOnDemand]: 69/75 looper letters, 13 selfloop transitions, 4 changer transitions 1/80 dead transitions. [2024-10-14 17:04:16,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 80 transitions, 240 flow [2024-10-14 17:04:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:04:16,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:04:16,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2024-10-14 17:04:16,386 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9155555555555556 [2024-10-14 17:04:16,386 INFO L175 Difference]: Start difference. First operand has 77 places, 74 transitions, 192 flow. Second operand 3 states and 206 transitions. [2024-10-14 17:04:16,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 80 transitions, 240 flow [2024-10-14 17:04:16,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 80 transitions, 232 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:04:16,388 INFO L231 Difference]: Finished difference. Result has 78 places, 76 transitions, 212 flow [2024-10-14 17:04:16,388 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=78, PETRI_TRANSITIONS=76} [2024-10-14 17:04:16,388 INFO L277 CegarLoopForPetriNet]: 73 programPoint places, 5 predicate places. [2024-10-14 17:04:16,389 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 76 transitions, 212 flow [2024-10-14 17:04:16,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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) [2024-10-14 17:04:16,389 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:16,390 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:04:16,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:04:16,391 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-10-14 17:04:16,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:16,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1876346815, now seen corresponding path program 1 times [2024-10-14 17:04:16,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:16,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627479201] [2024-10-14 17:04:16,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:16,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:16,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:16,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:16,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627479201] [2024-10-14 17:04:16,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627479201] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:16,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:16,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:04:16,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101898873] [2024-10-14 17:04:16,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:16,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:04:16,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:16,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:04:16,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:04:16,457 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 75 [2024-10-14 17:04:16,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 76 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2024-10-14 17:04:16,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:16,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 75 [2024-10-14 17:04:16,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:16,507 INFO L124 PetriNetUnfolderBase]: 66/390 cut-off events. [2024-10-14 17:04:16,518 INFO L125 PetriNetUnfolderBase]: For 101/119 co-relation queries the response was YES. [2024-10-14 17:04:16,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 719 conditions, 390 events. 66/390 cut-off events. For 101/119 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2203 event pairs, 21 based on Foata normal form. 1/369 useless extension candidates. Maximal degree in co-relation 685. Up to 130 conditions per place. [2024-10-14 17:04:16,520 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 14 selfloop transitions, 3 changer transitions 4/81 dead transitions. [2024-10-14 17:04:16,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 81 transitions, 266 flow [2024-10-14 17:04:16,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:04:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:04:16,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 199 transitions. [2024-10-14 17:04:16,524 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8844444444444445 [2024-10-14 17:04:16,524 INFO L175 Difference]: Start difference. First operand has 78 places, 76 transitions, 212 flow. Second operand 3 states and 199 transitions. [2024-10-14 17:04:16,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 81 transitions, 266 flow [2024-10-14 17:04:16,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 81 transitions, 256 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:04:16,526 INFO L231 Difference]: Finished difference. Result has 80 places, 76 transitions, 222 flow [2024-10-14 17:04:16,527 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=80, PETRI_TRANSITIONS=76} [2024-10-14 17:04:16,528 INFO L277 CegarLoopForPetriNet]: 73 programPoint places, 7 predicate places. [2024-10-14 17:04:16,528 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 76 transitions, 222 flow [2024-10-14 17:04:16,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2024-10-14 17:04:16,528 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:16,528 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] [2024-10-14 17:04:16,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:04:16,528 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-10-14 17:04:16,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:16,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1182062264, now seen corresponding path program 1 times [2024-10-14 17:04:16,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:16,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93070933] [2024-10-14 17:04:16,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:16,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 17:04:16,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 17:04:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 17:04:16,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 17:04:16,604 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 17:04:16,605 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-10-14 17:04:16,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-10-14 17:04:16,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-10-14 17:04:16,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2024-10-14 17:04:16,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2024-10-14 17:04:16,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2024-10-14 17:04:16,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-10-14 17:04:16,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-10-14 17:04:16,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-10-14 17:04:16,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-10-14 17:04:16,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:04:16,611 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-14 17:04:16,644 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:04:16,645 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:04:16,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:04:16 BasicIcfg [2024-10-14 17:04:16,651 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:04:16,652 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:04:16,652 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:04:16,652 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:04:16,652 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:04:15" (3/4) ... [2024-10-14 17:04:16,654 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 17:04:16,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:04:16,655 INFO L158 Benchmark]: Toolchain (without parser) took 1940.22ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 123.3MB in the beginning and 160.8MB in the end (delta: -37.5MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-10-14 17:04:16,656 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 121.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:04:16,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.96ms. Allocated memory is still 159.4MB. Free memory was 123.3MB in the beginning and 93.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-14 17:04:16,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.78ms. Allocated memory is still 159.4MB. Free memory was 93.9MB in the beginning and 91.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:04:16,658 INFO L158 Benchmark]: Boogie Preprocessor took 23.62ms. Allocated memory is still 159.4MB. Free memory was 91.8MB in the beginning and 90.9MB in the end (delta: 918.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:04:16,660 INFO L158 Benchmark]: RCFGBuilder took 314.53ms. Allocated memory is still 159.4MB. Free memory was 90.9MB in the beginning and 75.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-14 17:04:16,661 INFO L158 Benchmark]: TraceAbstraction took 1098.79ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 75.0MB in the beginning and 160.8MB in the end (delta: -85.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:04:16,661 INFO L158 Benchmark]: Witness Printer took 3.02ms. Allocated memory is still 201.3MB. Free memory is still 160.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:04:16,662 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 121.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.96ms. Allocated memory is still 159.4MB. Free memory was 123.3MB in the beginning and 93.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.78ms. Allocated memory is still 159.4MB. Free memory was 93.9MB in the beginning and 91.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.62ms. Allocated memory is still 159.4MB. Free memory was 91.8MB in the beginning and 90.9MB in the end (delta: 918.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 314.53ms. Allocated memory is still 159.4MB. Free memory was 90.9MB in the beginning and 75.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1098.79ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 75.0MB in the beginning and 160.8MB in the end (delta: -85.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.02ms. Allocated memory is still 201.3MB. Free memory is still 160.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 931]: Data race detected Data race detected The following path leads to a data race: [L917] 0 static int data1; VAL [data1=0] [L918] 0 static int data2; VAL [data1=0, data2=0] [L919] 0 static pthread_rwlock_t rwlock = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }; VAL [data1=0, data2=0, rwlock={1:0}] [L928] 0 pthread_t id; VAL [data1=0, data2=0, rwlock={1:0}] [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, data1=0, data2=0, id=-1, rwlock={1:0}] [L922] 1 data1++ VAL [\old(arg)={0:0}, arg={0:0}, data1=0, data2=0, rwlock={1:0}] [L922] 1 data1++ VAL [\old(arg)={0:0}, arg={0:0}, data1=1, data2=0, rwlock={1:0}] [L931] 0 printf("%d",data1) VAL [\old(arg)={0:0}, arg={0:0}, data1=1, data2=0, id=-1, rwlock={1:0}] Now there is a data race on ~data1~0 between C: data1++ [922] and C: printf("%d",data1) [931] - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 101 locations, 10 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: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 26 mSDtfsCounter, 103 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=222occurred in iteration=4, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 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 RESULT: Ultimate proved your program to be incorrect! [2024-10-14 17:04:16,688 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE