/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_AUTOMATON -i ../../../trunk/examples/concurrent/bpl/regression/JoinTheForkingThread.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:11:53,498 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:11:53,570 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-10-12 17:11:53,596 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:11:53,597 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:11:53,597 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:11:53,600 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:11:53,600 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:11:53,600 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:11:53,604 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:11:53,604 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:11:53,604 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:11:53,604 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:11:53,606 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:11:53,606 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:11:53,606 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:11:53,607 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:11:53,607 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:11:53,607 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:11:53,607 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:11:53,608 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:11:53,608 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:11:53,608 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:11:53,608 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:11:53,609 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:11:53,609 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:11:53,609 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:11:53,609 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:11:53,610 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:11:53,610 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:11:53,611 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:11:53,611 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:11:53,611 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:11:53,613 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:11:53,613 INFO L137 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2023-10-12 17:11:53,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:11:53,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:11:53,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:11:53,862 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:11:53,864 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:11:53,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/JoinTheForkingThread.bpl [2023-10-12 17:11:53,865 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/JoinTheForkingThread.bpl' [2023-10-12 17:11:53,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:11:53,887 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:11:53,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:11:53,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:11:53,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:11:53,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,912 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:11:53,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:11:53,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:11:53,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:11:53,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:11:53,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:11:53,929 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:11:53,929 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:11:53,929 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:11:53,930 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:53,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:53,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:11:53,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-10-12 17:11:54,009 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bar given in one single declaration [2023-10-12 17:11:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2023-10-12 17:11:54,009 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2023-10-12 17:11:54,009 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2023-10-12 17:11:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2023-10-12 17:11:54,010 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2023-10-12 17:11:54,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:11:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:11:54,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:11:54,011 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-10-12 17:11:54,047 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:11:54,049 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:11:54,113 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:11:54,118 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:11:54,118 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:11:54,120 INFO L201 PluginConnector]: Adding new model JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:11:54 BoogieIcfgContainer [2023-10-12 17:11:54,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:11:54,121 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:11:54,121 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:11:54,124 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:11:54,125 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:11:54,125 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/2) ... [2023-10-12 17:11:54,126 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7040e2c8 and model type JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:11:54, skipping insertion in model container [2023-10-12 17:11:54,127 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:11:54,128 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:11:54" (2/2) ... [2023-10-12 17:11:54,129 INFO L332 chiAutomizerObserver]: Analyzing ICFG JoinTheForkingThread.bpl [2023-10-12 17:11:54,203 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2023-10-12 17:11:54,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 27 transitions, 82 flow [2023-10-12 17:11:54,246 INFO L124 PetriNetUnfolderBase]: 1/21 cut-off events. [2023-10-12 17:11:54,246 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:11:54,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 21 events. 1/21 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 15 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 10. Up to 3 conditions per place. [2023-10-12 17:11:54,249 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 27 transitions, 82 flow [2023-10-12 17:11:54,252 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 23 places, 18 transitions, 54 flow [2023-10-12 17:11:54,255 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:11:54,266 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 18 transitions, 54 flow [2023-10-12 17:11:54,268 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 18 transitions, 54 flow [2023-10-12 17:11:54,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 23 places, 18 transitions, 54 flow [2023-10-12 17:11:54,273 INFO L124 PetriNetUnfolderBase]: 1/21 cut-off events. [2023-10-12 17:11:54,274 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:11:54,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 21 events. 1/21 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 15 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 10. Up to 3 conditions per place. [2023-10-12 17:11:54,274 INFO L119 LiptonReduction]: Number of co-enabled transitions 14 [2023-10-12 17:11:54,369 INFO L134 LiptonReduction]: Checked pairs total: 25 [2023-10-12 17:11:54,369 INFO L136 LiptonReduction]: Total number of compositions: 5 [2023-10-12 17:11:54,384 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:11:54,384 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:11:54,384 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:11:54,384 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:11:54,384 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:11:54,384 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:11:54,384 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:11:54,385 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-10-12 17:11:54,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-10-12 17:11:54,405 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:11:54,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-10-12 17:11:54,409 INFO L201 PluginConnector]: Adding new model JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:11:54 BoogieIcfgContainer [2023-10-12 17:11:54,409 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:11:54,410 INFO L158 Benchmark]: Toolchain (without parser) took 522.92ms. Allocated memory is still 175.1MB. Free memory was 130.3MB in the beginning and 144.9MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:11:54,411 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.26ms. Allocated memory is still 175.1MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:11:54,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.84ms. Allocated memory is still 175.1MB. Free memory was 130.1MB in the beginning and 128.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:11:54,414 INFO L158 Benchmark]: Boogie Preprocessor took 13.31ms. Allocated memory is still 175.1MB. Free memory was 128.5MB in the beginning and 127.6MB in the end (delta: 936.5kB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:11:54,414 INFO L158 Benchmark]: RCFGBuilder took 190.81ms. Allocated memory is still 175.1MB. Free memory was 127.6MB in the beginning and 118.9MB in the end (delta: 8.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-10-12 17:11:54,415 INFO L158 Benchmark]: BuchiAutomizer took 288.49ms. Allocated memory is still 175.1MB. Free memory was 118.7MB in the beginning and 144.9MB in the end (delta: -26.2MB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:11:54,417 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.26ms. Allocated memory is still 175.1MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.84ms. Allocated memory is still 175.1MB. Free memory was 130.1MB in the beginning and 128.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.31ms. Allocated memory is still 175.1MB. Free memory was 128.5MB in the beginning and 127.6MB in the end (delta: 936.5kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 190.81ms. Allocated memory is still 175.1MB. Free memory was 127.6MB in the beginning and 118.9MB in the end (delta: 8.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 288.49ms. Allocated memory is still 175.1MB. Free memory was 118.7MB in the beginning and 144.9MB in the end (delta: -26.2MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.1s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 23 PlacesBefore, 18 PlacesAfterwards, 18 TransitionsBefore, 13 TransitionsAfterwards, 14 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 25 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 25, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:11:54,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...