./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-race-challenges/per-thread-array-init-race.i --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/pthread-race-challenges/per-thread-array-init-race.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 6fea91513c96246b75c49fa902e51d33d0640cbe9a02143a9b8a08050c0f0b4f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 18:01:16,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 18:01:17,044 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 18:01:17,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 18:01:17,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 18:01:17,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 18:01:17,095 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 18:01:17,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 18:01:17,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 18:01:17,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 18:01:17,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 18:01:17,102 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 18:01:17,102 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 18:01:17,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 18:01:17,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 18:01:17,103 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 18:01:17,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 18:01:17,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 18:01:17,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 18:01:17,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 18:01:17,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 18:01:17,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 18:01:17,110 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 18:01:17,110 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 18:01:17,110 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 18:01:17,110 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 18:01:17,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 18:01:17,111 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 18:01:17,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 18:01:17,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 18:01:17,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 18:01:17,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 18:01:17,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 18:01:17,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 18:01:17,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 18:01:17,112 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 18:01:17,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 18:01:17,112 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 18:01:17,113 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 18:01:17,113 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 18:01:17,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 18:01:17,119 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fea91513c96246b75c49fa902e51d33d0640cbe9a02143a9b8a08050c0f0b4f [2024-11-22 18:01:17,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 18:01:17,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 18:01:17,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 18:01:17,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 18:01:17,487 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 18:01:17,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-race-challenges/per-thread-array-init-race.i [2024-11-22 18:01:18,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 18:01:19,183 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 18:01:19,183 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-race-challenges/per-thread-array-init-race.i [2024-11-22 18:01:19,204 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8afcce679/595fcc5b4a4d4363a73d83a6189d41b0/FLAG572b75932 [2024-11-22 18:01:19,218 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8afcce679/595fcc5b4a4d4363a73d83a6189d41b0 [2024-11-22 18:01:19,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 18:01:19,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 18:01:19,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 18:01:19,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 18:01:19,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 18:01:19,229 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:01:19" (1/1) ... [2024-11-22 18:01:19,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3362a4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:01:19, skipping insertion in model container [2024-11-22 18:01:19,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:01:19" (1/1) ... [2024-11-22 18:01:19,278 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 18:01:19,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 18:01:19,644 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 18:01:19,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 18:01:19,716 INFO L204 MainTranslator]: Completed translation [2024-11-22 18:01:19,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:01:19 WrapperNode [2024-11-22 18:01:19,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 18:01:19,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 18:01:19,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 18:01:19,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 18:01:19,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:01:19" (1/1) ... [2024-11-22 18:01:19,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:01:19" (1/1) ... [2024-11-22 18:01:19,755 INFO L138 Inliner]: procedures = 262, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-22 18:01:19,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 18:01:19,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 18:01:19,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 18:01:19,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 18:01:19,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:01:19" (1/1) ... [2024-11-22 18:01:19,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:01:19" (1/1) ... [2024-11-22 18:01:19,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:01:19" (1/1) ... [2024-11-22 18:01:19,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:01:19" (1/1) ... [2024-11-22 18:01:19,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:01:19" (1/1) ... [2024-11-22 18:01:19,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:01:19" (1/1) ... [2024-11-22 18:01:19,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:01:19" (1/1) ... [2024-11-22 18:01:19,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:01:19" (1/1) ... [2024-11-22 18:01:19,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 18:01:19,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 18:01:19,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 18:01:19,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 18:01:19,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:01:19" (1/1) ... [2024-11-22 18:01:19,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 18:01:19,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 18:01:19,814 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 18:01:19,822 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 18:01:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 18:01:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 18:01:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 18:01:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 18:01:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-22 18:01:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-22 18:01:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 18:01:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 18:01:19,859 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 18:01:19,952 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 18:01:19,953 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 18:01:20,132 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 18:01:20,132 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 18:01:20,153 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 18:01:20,153 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-22 18:01:20,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:01:20 BoogieIcfgContainer [2024-11-22 18:01:20,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 18:01:20,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 18:01:20,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 18:01:20,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 18:01:20,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 06:01:19" (1/3) ... [2024-11-22 18:01:20,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e0e446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:01:20, skipping insertion in model container [2024-11-22 18:01:20,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:01:19" (2/3) ... [2024-11-22 18:01:20,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e0e446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:01:20, skipping insertion in model container [2024-11-22 18:01:20,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:01:20" (3/3) ... [2024-11-22 18:01:20,173 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-array-init-race.i [2024-11-22 18:01:20,202 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 18:01:20,203 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-22 18:01:20,203 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 18:01:20,283 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-22 18:01:20,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 93 transitions, 193 flow [2024-11-22 18:01:20,421 INFO L124 PetriNetUnfolderBase]: 6/125 cut-off events. [2024-11-22 18:01:20,422 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 18:01:20,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 125 events. 6/125 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 159 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2024-11-22 18:01:20,430 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 93 transitions, 193 flow [2024-11-22 18:01:20,440 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 93 transitions, 193 flow [2024-11-22 18:01:20,453 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 18:01:20,466 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;@5366f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 18:01:20,466 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-22 18:01:20,489 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 18:01:20,489 INFO L124 PetriNetUnfolderBase]: 3/52 cut-off events. [2024-11-22 18:01:20,489 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 18:01:20,490 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:01:20,490 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:01:20,491 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-22 18:01:20,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:01:20,496 INFO L85 PathProgramCache]: Analyzing trace with hash -367491366, now seen corresponding path program 1 times [2024-11-22 18:01:20,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:01:20,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890485112] [2024-11-22 18:01:20,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:01:20,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:01:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:01:21,329 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 18:01:21,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 18:01:21,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890485112] [2024-11-22 18:01:21,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890485112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:01:21,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:01:21,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 18:01:21,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805317836] [2024-11-22 18:01:21,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:01:21,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 18:01:21,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 18:01:21,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 18:01:21,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 18:01:21,527 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 93 [2024-11-22 18:01:21,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 93 transitions, 193 flow. Second operand has 6 states, 6 states have (on average 63.5) internal successors, (381), 6 states have internal predecessors, (381), 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 18:01:21,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 18:01:21,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 93 [2024-11-22 18:01:21,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 18:01:21,748 INFO L124 PetriNetUnfolderBase]: 87/434 cut-off events. [2024-11-22 18:01:21,748 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 18:01:21,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 661 conditions, 434 events. 87/434 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2103 event pairs, 51 based on Foata normal form. 13/411 useless extension candidates. Maximal degree in co-relation 573. Up to 187 conditions per place. [2024-11-22 18:01:21,761 INFO L140 encePairwiseOnDemand]: 79/93 looper letters, 27 selfloop transitions, 22 changer transitions 1/111 dead transitions. [2024-11-22 18:01:21,761 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 111 transitions, 327 flow [2024-11-22 18:01:21,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 18:01:21,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 18:01:21,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 425 transitions. [2024-11-22 18:01:21,785 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7616487455197133 [2024-11-22 18:01:21,787 INFO L175 Difference]: Start difference. First operand has 92 places, 93 transitions, 193 flow. Second operand 6 states and 425 transitions. [2024-11-22 18:01:21,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 111 transitions, 327 flow [2024-11-22 18:01:21,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 111 transitions, 327 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 18:01:21,801 INFO L231 Difference]: Finished difference. Result has 102 places, 110 transitions, 335 flow [2024-11-22 18:01:21,803 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=335, PETRI_PLACES=102, PETRI_TRANSITIONS=110} [2024-11-22 18:01:21,808 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 10 predicate places. [2024-11-22 18:01:21,808 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 110 transitions, 335 flow [2024-11-22 18:01:21,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.5) internal successors, (381), 6 states have internal predecessors, (381), 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 18:01:21,809 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:01:21,809 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:01:21,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 18:01:21,809 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-22 18:01:21,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:01:21,809 INFO L85 PathProgramCache]: Analyzing trace with hash 986559763, now seen corresponding path program 1 times [2024-11-22 18:01:21,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:01:21,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737813554] [2024-11-22 18:01:21,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:01:21,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:01:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:01:21,925 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 18:01:21,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 18:01:21,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737813554] [2024-11-22 18:01:21,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737813554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:01:21,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:01:21,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 18:01:21,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540362677] [2024-11-22 18:01:21,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:01:21,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 18:01:21,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 18:01:21,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 18:01:21,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 18:01:22,051 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 93 [2024-11-22 18:01:22,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 110 transitions, 335 flow. Second operand has 5 states, 5 states have (on average 78.4) internal successors, (392), 5 states have internal predecessors, (392), 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 18:01:22,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 18:01:22,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 93 [2024-11-22 18:01:22,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 18:01:22,096 INFO L124 PetriNetUnfolderBase]: 33/241 cut-off events. [2024-11-22 18:01:22,096 INFO L125 PetriNetUnfolderBase]: For 31/33 co-relation queries the response was YES. [2024-11-22 18:01:22,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 241 events. 33/241 cut-off events. For 31/33 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 698 event pairs, 0 based on Foata normal form. 1/228 useless extension candidates. Maximal degree in co-relation 310. Up to 45 conditions per place. [2024-11-22 18:01:22,100 INFO L140 encePairwiseOnDemand]: 85/93 looper letters, 11 selfloop transitions, 2 changer transitions 5/115 dead transitions. [2024-11-22 18:01:22,100 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 115 transitions, 381 flow [2024-11-22 18:01:22,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 18:01:22,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 18:01:22,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 481 transitions. [2024-11-22 18:01:22,105 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8620071684587813 [2024-11-22 18:01:22,105 INFO L175 Difference]: Start difference. First operand has 102 places, 110 transitions, 335 flow. Second operand 6 states and 481 transitions. [2024-11-22 18:01:22,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 115 transitions, 381 flow [2024-11-22 18:01:22,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 115 transitions, 381 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 18:01:22,110 INFO L231 Difference]: Finished difference. Result has 110 places, 110 transitions, 353 flow [2024-11-22 18:01:22,111 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=353, PETRI_PLACES=110, PETRI_TRANSITIONS=110} [2024-11-22 18:01:22,111 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 18 predicate places. [2024-11-22 18:01:22,111 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 110 transitions, 353 flow [2024-11-22 18:01:22,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 78.4) internal successors, (392), 5 states have internal predecessors, (392), 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 18:01:22,112 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:01:22,112 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] [2024-11-22 18:01:22,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 18:01:22,112 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-22 18:01:22,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:01:22,113 INFO L85 PathProgramCache]: Analyzing trace with hash 744423912, now seen corresponding path program 1 times [2024-11-22 18:01:22,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:01:22,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492175972] [2024-11-22 18:01:22,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:01:22,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:01:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:01:22,444 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 18:01:22,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 18:01:22,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492175972] [2024-11-22 18:01:22,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492175972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:01:22,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:01:22,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 18:01:22,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407542547] [2024-11-22 18:01:22,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:01:22,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 18:01:22,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 18:01:22,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 18:01:22,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 18:01:22,546 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 93 [2024-11-22 18:01:22,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 110 transitions, 353 flow. Second operand has 6 states, 6 states have (on average 74.83333333333333) internal successors, (449), 6 states have internal predecessors, (449), 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 18:01:22,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 18:01:22,546 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 93 [2024-11-22 18:01:22,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 18:01:22,678 INFO L124 PetriNetUnfolderBase]: 106/639 cut-off events. [2024-11-22 18:01:22,678 INFO L125 PetriNetUnfolderBase]: For 144/175 co-relation queries the response was YES. [2024-11-22 18:01:22,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1241 conditions, 639 events. 106/639 cut-off events. For 144/175 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3715 event pairs, 12 based on Foata normal form. 4/611 useless extension candidates. Maximal degree in co-relation 1113. Up to 186 conditions per place. [2024-11-22 18:01:22,682 INFO L140 encePairwiseOnDemand]: 79/93 looper letters, 32 selfloop transitions, 47 changer transitions 0/153 dead transitions. [2024-11-22 18:01:22,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 153 transitions, 670 flow [2024-11-22 18:01:22,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 18:01:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 18:01:22,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 493 transitions. [2024-11-22 18:01:22,685 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8835125448028673 [2024-11-22 18:01:22,685 INFO L175 Difference]: Start difference. First operand has 110 places, 110 transitions, 353 flow. Second operand 6 states and 493 transitions. [2024-11-22 18:01:22,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 153 transitions, 670 flow [2024-11-22 18:01:22,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 153 transitions, 656 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-11-22 18:01:22,693 INFO L231 Difference]: Finished difference. Result has 112 places, 152 transitions, 719 flow [2024-11-22 18:01:22,693 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=719, PETRI_PLACES=112, PETRI_TRANSITIONS=152} [2024-11-22 18:01:22,694 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 20 predicate places. [2024-11-22 18:01:22,694 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 152 transitions, 719 flow [2024-11-22 18:01:22,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 74.83333333333333) internal successors, (449), 6 states have internal predecessors, (449), 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 18:01:22,695 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:01:22,695 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] [2024-11-22 18:01:22,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 18:01:22,695 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-22 18:01:22,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:01:22,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1260636265, now seen corresponding path program 1 times [2024-11-22 18:01:22,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:01:22,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217108163] [2024-11-22 18:01:22,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:01:22,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:01:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:01:22,966 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 18:01:22,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 18:01:22,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217108163] [2024-11-22 18:01:22,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217108163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:01:22,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:01:22,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 18:01:22,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530416591] [2024-11-22 18:01:22,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:01:22,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 18:01:22,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 18:01:22,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 18:01:22,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 18:01:23,060 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 93 [2024-11-22 18:01:23,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 152 transitions, 719 flow. Second operand has 6 states, 6 states have (on average 64.33333333333333) internal successors, (386), 6 states have internal predecessors, (386), 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 18:01:23,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 18:01:23,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 93 [2024-11-22 18:01:23,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 18:01:23,174 INFO L124 PetriNetUnfolderBase]: 186/810 cut-off events. [2024-11-22 18:01:23,174 INFO L125 PetriNetUnfolderBase]: For 635/663 co-relation queries the response was YES. [2024-11-22 18:01:23,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2117 conditions, 810 events. 186/810 cut-off events. For 635/663 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4981 event pairs, 38 based on Foata normal form. 0/776 useless extension candidates. Maximal degree in co-relation 1976. Up to 391 conditions per place. [2024-11-22 18:01:23,180 INFO L140 encePairwiseOnDemand]: 82/93 looper letters, 83 selfloop transitions, 32 changer transitions 0/179 dead transitions. [2024-11-22 18:01:23,180 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 179 transitions, 1111 flow [2024-11-22 18:01:23,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 18:01:23,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 18:01:23,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 422 transitions. [2024-11-22 18:01:23,182 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7562724014336918 [2024-11-22 18:01:23,182 INFO L175 Difference]: Start difference. First operand has 112 places, 152 transitions, 719 flow. Second operand 6 states and 422 transitions. [2024-11-22 18:01:23,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 179 transitions, 1111 flow [2024-11-22 18:01:23,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 179 transitions, 1093 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-22 18:01:23,207 INFO L231 Difference]: Finished difference. Result has 122 places, 179 transitions, 1023 flow [2024-11-22 18:01:23,208 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=701, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1023, PETRI_PLACES=122, PETRI_TRANSITIONS=179} [2024-11-22 18:01:23,208 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 30 predicate places. [2024-11-22 18:01:23,208 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 179 transitions, 1023 flow [2024-11-22 18:01:23,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.33333333333333) internal successors, (386), 6 states have internal predecessors, (386), 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 18:01:23,209 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:01:23,209 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:01:23,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 18:01:23,209 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-22 18:01:23,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:01:23,210 INFO L85 PathProgramCache]: Analyzing trace with hash -628168808, now seen corresponding path program 1 times [2024-11-22 18:01:23,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:01:23,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938139399] [2024-11-22 18:01:23,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:01:23,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:01:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 18:01:23,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 18:01:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 18:01:23,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 18:01:23,264 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 18:01:23,264 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2024-11-22 18:01:23,266 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2024-11-22 18:01:23,266 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2024-11-22 18:01:23,266 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2024-11-22 18:01:23,266 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-22 18:01:23,266 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2024-11-22 18:01:23,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 18:01:23,267 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-22 18:01:23,296 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 18:01:23,297 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 18:01:23,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 06:01:23 BasicIcfg [2024-11-22 18:01:23,301 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 18:01:23,302 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 18:01:23,302 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 18:01:23,302 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 18:01:23,303 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:01:20" (3/4) ... [2024-11-22 18:01:23,304 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-22 18:01:23,339 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 18:01:23,339 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 18:01:23,340 INFO L158 Benchmark]: Toolchain (without parser) took 4118.34ms. Allocated memory was 205.5MB in the beginning and 262.1MB in the end (delta: 56.6MB). Free memory was 174.6MB in the beginning and 203.3MB in the end (delta: -28.7MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-11-22 18:01:23,340 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 134.2MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 18:01:23,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.26ms. Allocated memory is still 205.5MB. Free memory was 174.4MB in the beginning and 146.9MB in the end (delta: 27.5MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-22 18:01:23,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.07ms. Allocated memory is still 205.5MB. Free memory was 146.9MB in the beginning and 143.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 18:01:23,341 INFO L158 Benchmark]: Boogie Preprocessor took 26.57ms. Allocated memory is still 205.5MB. Free memory was 143.9MB in the beginning and 142.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 18:01:23,341 INFO L158 Benchmark]: RCFGBuilder took 370.33ms. Allocated memory is still 205.5MB. Free memory was 142.7MB in the beginning and 125.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-22 18:01:23,341 INFO L158 Benchmark]: TraceAbstraction took 3146.29ms. Allocated memory was 205.5MB in the beginning and 262.1MB in the end (delta: 56.6MB). Free memory was 124.8MB in the beginning and 207.4MB in the end (delta: -82.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 18:01:23,341 INFO L158 Benchmark]: Witness Printer took 37.34ms. Allocated memory is still 262.1MB. Free memory was 207.4MB in the beginning and 203.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 18:01:23,343 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 134.2MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.26ms. Allocated memory is still 205.5MB. Free memory was 174.4MB in the beginning and 146.9MB in the end (delta: 27.5MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.07ms. Allocated memory is still 205.5MB. Free memory was 146.9MB in the beginning and 143.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.57ms. Allocated memory is still 205.5MB. Free memory was 143.9MB in the beginning and 142.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 370.33ms. Allocated memory is still 205.5MB. Free memory was 142.7MB in the beginning and 125.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3146.29ms. Allocated memory was 205.5MB in the beginning and 262.1MB in the end (delta: 56.6MB). Free memory was 124.8MB in the beginning and 207.4MB in the end (delta: -82.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.34ms. Allocated memory is still 262.1MB. Free memory was 207.4MB in the beginning and 203.3MB 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: - DataRaceFoundResult [Line: 1021]: Data race detected Data race detected The following path leads to a data race: [L1025] 0 int threads_total = __VERIFIER_nondet_int(); VAL [threads_total=1] [L1026] CALL 0 assume_abort_if_not(threads_total >= 0) [L1016] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1] [L1026] RET 0 assume_abort_if_not(threads_total >= 0) [L1027] 0 pthread_t *tids = malloc(threads_total * sizeof(pthread_t)); VAL [threads_total=1, tids={-2:0}] [L1028] EXPR, FCALL 0 calloc(threads_total, sizeof(int)) [L1028] 0 int *is = calloc(threads_total, sizeof(int)); VAL [is={-3:0}, threads_total=1, tids={-2:0}] [L1029] 0 int i = 0; VAL [i=0, is={-3:0}, threads_total=1, tids={-2:0}] [L1029] COND TRUE 0 i < threads_total VAL [i=0, is={-3:0}, threads_total=1, tids={-2:0}] [L1030] 0 pthread_create(&tids[i], ((void *)0), &thread, &is[i]) VAL [i=0, is={-3:0}, threads_total=1, tids={-2:0}] [L1030] FCALL, FORK 0 pthread_create(&tids[i], ((void *)0), &thread, &is[i]) VAL [\old(arg)={-3:0}, i=0, is={-3:0}, threads_total=1, tids={-2:0}] [L1031] 0 is[i] = i VAL [\old(arg)={-3:0}, i=0, is={-3:0}, threads_total=1, tids={-2:0}] [L1020] 1 int *p = arg; VAL [\old(arg)={-3:0}, arg={-3:0}, p={-3:0}] [L1021] EXPR 1 \read(*p) VAL [\old(arg)={-3:0}, arg={-3:0}, p={-3:0}] [L1021] 1 int i = *p; VAL [\old(arg)={-3:0}, arg={-3:0}, p={-3:0}] [L1031] 0 is[i] = i VAL [\old(arg)={-3:0}, arg={-3:0}, i=0, is={-3:0}, p={-3:0}, threads_total=1, tids={-2:0}] [L1021] 1 int i = *p; VAL [\old(arg)={-3:0}, arg={-3:0}, p={-3:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: pthread_create(&tids[i], ((void *)0), &thread, &is[i]) [1030] * C: pthread_create(&tids[i], ((void *)0), &thread, &is[i]) [1030] * C: pthread_create(&tids[i], ((void *)0), &thread, &is[i]) [1030] * C: pthread_create(&tids[i], ((void *)0), &thread, &is[i]) [1030] * C: is[i] = i [1031] and C: int i = *p; [1021] - UnprovableResult [Line: 1030]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1034]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1031]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1030]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 104 locations, 6 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: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 370 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 236 mSDsluCounter, 115 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 714 IncrementalHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 21 mSDtfsCounter, 714 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1023occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 475 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! [2024-11-22 18:01:23,366 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