./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/pthread-theta/unwind3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 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/pthread-theta/unwind3-1.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 ac23e7ddc6ad8a4019915da456e24c280b09a2b1564c0f5287e162f39d98d7fe --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 14:03:01,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 14:03:01,145 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 14:03:01,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 14:03:01,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 14:03:01,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 14:03:01,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 14:03:01,181 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 14:03:01,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 14:03:01,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 14:03:01,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 14:03:01,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 14:03:01,186 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 14:03:01,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 14:03:01,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 14:03:01,187 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 14:03:01,187 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 14:03:01,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 14:03:01,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 14:03:01,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 14:03:01,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 14:03:01,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 14:03:01,192 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 14:03:01,193 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 14:03:01,193 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 14:03:01,193 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 14:03:01,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 14:03:01,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 14:03:01,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 14:03:01,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 14:03:01,194 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 14:03:01,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 14:03:01,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 14:03:01,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 14:03:01,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 14:03:01,197 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 14:03:01,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 14:03:01,198 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 14:03:01,198 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 14:03:01,198 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 14:03:01,198 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 14:03:01,199 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac23e7ddc6ad8a4019915da456e24c280b09a2b1564c0f5287e162f39d98d7fe [2024-11-20 14:03:01,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 14:03:01,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 14:03:01,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 14:03:01,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 14:03:01,501 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 14:03:01,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-theta/unwind3-1.i [2024-11-20 14:03:02,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 14:03:03,170 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 14:03:03,174 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-theta/unwind3-1.i [2024-11-20 14:03:03,193 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68c61b51/e6664684a99c469bb6268da59e76bd61/FLAGfbf6ced68 [2024-11-20 14:03:03,208 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68c61b51/e6664684a99c469bb6268da59e76bd61 [2024-11-20 14:03:03,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 14:03:03,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 14:03:03,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 14:03:03,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 14:03:03,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 14:03:03,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:03:03" (1/1) ... [2024-11-20 14:03:03,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4377162e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:03, skipping insertion in model container [2024-11-20 14:03:03,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:03:03" (1/1) ... [2024-11-20 14:03:03,275 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 14:03:03,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 14:03:03,651 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 14:03:03,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 14:03:03,754 INFO L204 MainTranslator]: Completed translation [2024-11-20 14:03:03,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:03 WrapperNode [2024-11-20 14:03:03,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 14:03:03,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 14:03:03,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 14:03:03,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 14:03:03,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:03" (1/1) ... [2024-11-20 14:03:03,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:03" (1/1) ... [2024-11-20 14:03:03,808 INFO L138 Inliner]: procedures = 169, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 84 [2024-11-20 14:03:03,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 14:03:03,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 14:03:03,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 14:03:03,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 14:03:03,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:03" (1/1) ... [2024-11-20 14:03:03,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:03" (1/1) ... [2024-11-20 14:03:03,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:03" (1/1) ... [2024-11-20 14:03:03,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:03" (1/1) ... [2024-11-20 14:03:03,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:03" (1/1) ... [2024-11-20 14:03:03,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:03" (1/1) ... [2024-11-20 14:03:03,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:03" (1/1) ... [2024-11-20 14:03:03,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:03" (1/1) ... [2024-11-20 14:03:03,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 14:03:03,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 14:03:03,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 14:03:03,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 14:03:03,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:03" (1/1) ... [2024-11-20 14:03:03,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 14:03:03,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 14:03:03,881 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) [2024-11-20 14:03:03,888 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 [2024-11-20 14:03:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 14:03:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-20 14:03:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-20 14:03:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-20 14:03:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-20 14:03:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 14:03:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 14:03:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 14:03:03,937 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 14:03:04,086 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 14:03:04,088 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 14:03:04,227 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 14:03:04,227 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 14:03:04,240 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 14:03:04,241 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 14:03:04,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:03:04 BoogieIcfgContainer [2024-11-20 14:03:04,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 14:03:04,244 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 14:03:04,244 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 14:03:04,248 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 14:03:04,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:03:03" (1/3) ... [2024-11-20 14:03:04,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6ca8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:03:04, skipping insertion in model container [2024-11-20 14:03:04,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:03" (2/3) ... [2024-11-20 14:03:04,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6ca8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:03:04, skipping insertion in model container [2024-11-20 14:03:04,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:03:04" (3/3) ... [2024-11-20 14:03:04,251 INFO L112 eAbstractionObserver]: Analyzing ICFG unwind3-1.i [2024-11-20 14:03:04,267 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 14:03:04,268 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-20 14:03:04,268 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 14:03:04,368 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 14:03:04,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 106 transitions, 220 flow [2024-11-20 14:03:04,455 INFO L124 PetriNetUnfolderBase]: 12/156 cut-off events. [2024-11-20 14:03:04,455 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 14:03:04,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 156 events. 12/156 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 256 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 93. Up to 4 conditions per place. [2024-11-20 14:03:04,465 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 106 transitions, 220 flow [2024-11-20 14:03:04,471 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 89 transitions, 185 flow [2024-11-20 14:03:04,481 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 14:03:04,487 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;@3e3ed00b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 14:03:04,487 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-20 14:03:04,491 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 14:03:04,492 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-11-20 14:03:04,492 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 14:03:04,492 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:03:04,493 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:03:04,493 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-20 14:03:04,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:03:04,498 INFO L85 PathProgramCache]: Analyzing trace with hash 408147467, now seen corresponding path program 1 times [2024-11-20 14:03:04,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:03:04,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476652622] [2024-11-20 14:03:04,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:03:04,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:03:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:03:04,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:03:04,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:03:04,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476652622] [2024-11-20 14:03:04,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476652622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:03:04,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:03:04,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 14:03:04,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6785236] [2024-11-20 14:03:04,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:03:04,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 14:03:04,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:03:04,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 14:03:04,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 14:03:04,801 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 106 [2024-11-20 14:03:04,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 89 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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) [2024-11-20 14:03:04,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:03:04,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 106 [2024-11-20 14:03:04,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:03:04,856 INFO L124 PetriNetUnfolderBase]: 5/124 cut-off events. [2024-11-20 14:03:04,856 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-20 14:03:04,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 124 events. 5/124 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 187 event pairs, 2 based on Foata normal form. 3/114 useless extension candidates. Maximal degree in co-relation 93. Up to 20 conditions per place. [2024-11-20 14:03:04,858 INFO L140 encePairwiseOnDemand]: 100/106 looper letters, 11 selfloop transitions, 2 changer transitions 1/85 dead transitions. [2024-11-20 14:03:04,859 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 85 transitions, 203 flow [2024-11-20 14:03:04,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 14:03:04,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 14:03:04,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 275 transitions. [2024-11-20 14:03:04,876 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8647798742138365 [2024-11-20 14:03:04,879 INFO L175 Difference]: Start difference. First operand has 90 places, 89 transitions, 185 flow. Second operand 3 states and 275 transitions. [2024-11-20 14:03:04,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 85 transitions, 203 flow [2024-11-20 14:03:04,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 85 transitions, 202 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 14:03:04,886 INFO L231 Difference]: Finished difference. Result has 90 places, 84 transitions, 178 flow [2024-11-20 14:03:04,891 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=90, PETRI_TRANSITIONS=84} [2024-11-20 14:03:04,895 INFO L277 CegarLoopForPetriNet]: 90 programPoint places, 0 predicate places. [2024-11-20 14:03:04,897 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 84 transitions, 178 flow [2024-11-20 14:03:04,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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) [2024-11-20 14:03:04,898 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:03:04,898 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:03:04,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 14:03:04,899 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-20 14:03:04,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:03:04,900 INFO L85 PathProgramCache]: Analyzing trace with hash 69046650, now seen corresponding path program 1 times [2024-11-20 14:03:04,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:03:04,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181584034] [2024-11-20 14:03:04,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:03:04,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:03:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:03:04,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:03:04,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:03:04,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181584034] [2024-11-20 14:03:04,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181584034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:03:04,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:03:04,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 14:03:04,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023836394] [2024-11-20 14:03:04,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:03:04,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 14:03:04,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:03:04,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 14:03:04,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 14:03:05,029 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 106 [2024-11-20 14:03:05,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 84 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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) [2024-11-20 14:03:05,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:03:05,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 106 [2024-11-20 14:03:05,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:03:05,073 INFO L124 PetriNetUnfolderBase]: 3/110 cut-off events. [2024-11-20 14:03:05,076 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 14:03:05,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 110 events. 3/110 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 140 event pairs, 0 based on Foata normal form. 2/107 useless extension candidates. Maximal degree in co-relation 116. Up to 15 conditions per place. [2024-11-20 14:03:05,078 INFO L140 encePairwiseOnDemand]: 100/106 looper letters, 9 selfloop transitions, 1 changer transitions 24/79 dead transitions. [2024-11-20 14:03:05,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 79 transitions, 192 flow [2024-11-20 14:03:05,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 14:03:05,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 14:03:05,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 263 transitions. [2024-11-20 14:03:05,082 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8270440251572327 [2024-11-20 14:03:05,082 INFO L175 Difference]: Start difference. First operand has 90 places, 84 transitions, 178 flow. Second operand 3 states and 263 transitions. [2024-11-20 14:03:05,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 79 transitions, 192 flow [2024-11-20 14:03:05,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 79 transitions, 188 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 14:03:05,088 INFO L231 Difference]: Finished difference. Result has 84 places, 55 transitions, 116 flow [2024-11-20 14:03:05,089 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=116, PETRI_PLACES=84, PETRI_TRANSITIONS=55} [2024-11-20 14:03:05,090 INFO L277 CegarLoopForPetriNet]: 90 programPoint places, -6 predicate places. [2024-11-20 14:03:05,091 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 55 transitions, 116 flow [2024-11-20 14:03:05,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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) [2024-11-20 14:03:05,091 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:03:05,092 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:03:05,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 14:03:05,093 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-20 14:03:05,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:03:05,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1156401811, now seen corresponding path program 1 times [2024-11-20 14:03:05,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:03:05,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725277962] [2024-11-20 14:03:05,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:03:05,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:03:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:03:05,374 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-20 14:03:05,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:03:05,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725277962] [2024-11-20 14:03:05,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725277962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:03:05,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:03:05,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 14:03:05,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859012218] [2024-11-20 14:03:05,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:03:05,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 14:03:05,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:03:05,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 14:03:05,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 14:03:05,420 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 106 [2024-11-20 14:03:05,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 55 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 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) [2024-11-20 14:03:05,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:03:05,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 106 [2024-11-20 14:03:05,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:03:05,466 INFO L124 PetriNetUnfolderBase]: 0/61 cut-off events. [2024-11-20 14:03:05,467 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 14:03:05,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 61 events. 0/61 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 11 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2024-11-20 14:03:05,468 INFO L140 encePairwiseOnDemand]: 102/106 looper letters, 5 selfloop transitions, 3 changer transitions 0/54 dead transitions. [2024-11-20 14:03:05,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 54 transitions, 130 flow [2024-11-20 14:03:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 14:03:05,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 14:03:05,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 365 transitions. [2024-11-20 14:03:05,470 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8608490566037735 [2024-11-20 14:03:05,470 INFO L175 Difference]: Start difference. First operand has 84 places, 55 transitions, 116 flow. Second operand 4 states and 365 transitions. [2024-11-20 14:03:05,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 54 transitions, 130 flow [2024-11-20 14:03:05,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 54 transitions, 129 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 14:03:05,473 INFO L231 Difference]: Finished difference. Result has 61 places, 54 transitions, 119 flow [2024-11-20 14:03:05,473 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=119, PETRI_PLACES=61, PETRI_TRANSITIONS=54} [2024-11-20 14:03:05,474 INFO L277 CegarLoopForPetriNet]: 90 programPoint places, -29 predicate places. [2024-11-20 14:03:05,474 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 54 transitions, 119 flow [2024-11-20 14:03:05,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 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) [2024-11-20 14:03:05,475 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:03:05,475 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:03:05,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 14:03:05,475 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-20 14:03:05,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:03:05,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1252743650, now seen corresponding path program 1 times [2024-11-20 14:03:05,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:03:05,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120076168] [2024-11-20 14:03:05,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:03:05,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:03:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:03:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:03:05,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:03:05,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120076168] [2024-11-20 14:03:05,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120076168] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 14:03:05,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107642771] [2024-11-20 14:03:05,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:03:05,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 14:03:05,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 14:03:05,669 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 14:03:05,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 14:03:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:03:05,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 14:03:05,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 14:03:05,939 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:03:05,939 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 14:03:05,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107642771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:03:05,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 14:03:05,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-20 14:03:05,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37054458] [2024-11-20 14:03:05,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:03:05,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 14:03:05,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:03:05,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 14:03:05,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-20 14:03:06,005 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 106 [2024-11-20 14:03:06,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 54 transitions, 119 flow. Second operand has 5 states, 5 states have (on average 91.6) internal successors, (458), 5 states have internal predecessors, (458), 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) [2024-11-20 14:03:06,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:03:06,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 106 [2024-11-20 14:03:06,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:03:06,028 INFO L124 PetriNetUnfolderBase]: 0/55 cut-off events. [2024-11-20 14:03:06,028 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 14:03:06,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 55 events. 0/55 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 11 event pairs, 0 based on Foata normal form. 1/56 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2024-11-20 14:03:06,028 INFO L140 encePairwiseOnDemand]: 102/106 looper letters, 0 selfloop transitions, 0 changer transitions 53/53 dead transitions. [2024-11-20 14:03:06,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 53 transitions, 130 flow [2024-11-20 14:03:06,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 14:03:06,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 14:03:06,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 458 transitions. [2024-11-20 14:03:06,031 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8641509433962264 [2024-11-20 14:03:06,031 INFO L175 Difference]: Start difference. First operand has 61 places, 54 transitions, 119 flow. Second operand 5 states and 458 transitions. [2024-11-20 14:03:06,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 53 transitions, 130 flow [2024-11-20 14:03:06,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 53 transitions, 123 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-20 14:03:06,032 INFO L231 Difference]: Finished difference. Result has 60 places, 0 transitions, 0 flow [2024-11-20 14:03:06,032 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=60, PETRI_TRANSITIONS=0} [2024-11-20 14:03:06,033 INFO L277 CegarLoopForPetriNet]: 90 programPoint places, -30 predicate places. [2024-11-20 14:03:06,037 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 0 transitions, 0 flow [2024-11-20 14:03:06,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 91.6) internal successors, (458), 5 states have internal predecessors, (458), 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) [2024-11-20 14:03:06,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-11-20 14:03:06,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-11-20 14:03:06,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-11-20 14:03:06,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2024-11-20 14:03:06,041 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2024-11-20 14:03:06,041 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 9 remaining) [2024-11-20 14:03:06,041 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 9 remaining) [2024-11-20 14:03:06,041 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-11-20 14:03:06,041 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-11-20 14:03:06,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 14:03:06,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 14:03:06,244 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-20 14:03:06,249 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 14:03:06,249 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 14:03:06,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:03:06 BasicIcfg [2024-11-20 14:03:06,253 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 14:03:06,254 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 14:03:06,254 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 14:03:06,254 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 14:03:06,255 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:03:04" (3/4) ... [2024-11-20 14:03:06,256 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 14:03:06,260 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2024-11-20 14:03:06,260 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2024-11-20 14:03:06,264 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-20 14:03:06,264 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-20 14:03:06,265 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 14:03:06,265 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 14:03:06,342 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 14:03:06,344 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 14:03:06,344 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 14:03:06,345 INFO L158 Benchmark]: Toolchain (without parser) took 3131.49ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 99.0MB in the beginning and 64.4MB in the end (delta: 34.7MB). Peak memory consumption was 98.5MB. Max. memory is 16.1GB. [2024-11-20 14:03:06,345 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 157.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 14:03:06,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.05ms. Allocated memory is still 157.3MB. Free memory was 98.7MB in the beginning and 76.0MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-20 14:03:06,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.73ms. Allocated memory is still 157.3MB. Free memory was 76.0MB in the beginning and 74.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 14:03:06,346 INFO L158 Benchmark]: Boogie Preprocessor took 30.84ms. Allocated memory is still 157.3MB. Free memory was 74.1MB in the beginning and 72.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 14:03:06,346 INFO L158 Benchmark]: RCFGBuilder took 400.88ms. Allocated memory is still 157.3MB. Free memory was 72.4MB in the beginning and 58.3MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 14:03:06,347 INFO L158 Benchmark]: TraceAbstraction took 2009.90ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 57.7MB in the beginning and 69.3MB in the end (delta: -11.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-20 14:03:06,348 INFO L158 Benchmark]: Witness Printer took 90.10ms. Allocated memory is still 218.1MB. Free memory was 69.3MB in the beginning and 64.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 14:03:06,350 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 157.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.05ms. Allocated memory is still 157.3MB. Free memory was 98.7MB in the beginning and 76.0MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.73ms. Allocated memory is still 157.3MB. Free memory was 76.0MB in the beginning and 74.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.84ms. Allocated memory is still 157.3MB. Free memory was 74.1MB in the beginning and 72.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 400.88ms. Allocated memory is still 157.3MB. Free memory was 72.4MB in the beginning and 58.3MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2009.90ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 57.7MB in the beginning and 69.3MB in the end (delta: -11.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 90.10ms. Allocated memory is still 218.1MB. Free memory was 69.3MB in the beginning and 64.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 770]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 772]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 773]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 766]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 134 locations, 9 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: 1.8s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 149 IncrementalHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 14 mSDtfsCounter, 149 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 0.7s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 498 SizeOfPredicates, 2 NumberOfNonLiveVariables, 100 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 21/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 14:03:06,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE