/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 RABIN_PETRI_NET -i ../../../trunk/examples/concurrent/bpl/regression/multiple_fork_same_id.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:36:35,960 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:36:35,992 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 17:36:36,005 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:36:36,006 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:36:36,006 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:36:36,007 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:36:36,007 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:36:36,007 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:36:36,008 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:36:36,008 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:36:36,008 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:36:36,008 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:36:36,009 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:36:36,009 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:36:36,009 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:36:36,009 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:36:36,010 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:36:36,010 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:36:36,010 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:36:36,010 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:36:36,010 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:36:36,011 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:36:36,011 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:36:36,011 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:36:36,011 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:36:36,011 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:36:36,012 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:36:36,012 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:36:36,012 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:36:36,012 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:36:36,012 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:36:36,013 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:36:36,013 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:36:36,013 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> RABIN_PETRI_NET [2023-10-12 17:36:36,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:36:36,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:36:36,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:36:36,155 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:36:36,156 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:36:36,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/multiple_fork_same_id.bpl [2023-10-12 17:36:36,157 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/multiple_fork_same_id.bpl' [2023-10-12 17:36:36,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:36:36,170 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:36:36,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:36:36,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:36:36,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:36:36,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:36" (1/1) ... [2023-10-12 17:36:36,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:36" (1/1) ... [2023-10-12 17:36:36,186 INFO L138 Inliner]: procedures = 2, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:36:36,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:36:36,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:36:36,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:36:36,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:36:36,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:36" (1/1) ... [2023-10-12 17:36:36,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:36" (1/1) ... [2023-10-12 17:36:36,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:36" (1/1) ... [2023-10-12 17:36:36,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:36" (1/1) ... [2023-10-12 17:36:36,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:36" (1/1) ... [2023-10-12 17:36:36,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:36" (1/1) ... [2023-10-12 17:36:36,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:36" (1/1) ... [2023-10-12 17:36:36,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:36" (1/1) ... [2023-10-12 17:36:36,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:36:36,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:36:36,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:36:36,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:36:36,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:36" (1/1) ... [2023-10-12 17:36:36,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:36:36,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:36:36,266 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 17:36:36,274 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 17:36:36,319 INFO L124 BoogieDeclarations]: Specification and implementation of procedure increment given in one single declaration [2023-10-12 17:36:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure increment [2023-10-12 17:36:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure increment [2023-10-12 17:36:36,319 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:36:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:36:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:36:36,320 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 17:36:36,351 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:36:36,352 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:36:36,403 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:36:36,407 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:36:36,407 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:36:36,408 INFO L201 PluginConnector]: Adding new model multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:36:36 BoogieIcfgContainer [2023-10-12 17:36:36,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:36:36,409 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:36:36,409 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:36:36,411 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:36:36,412 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:36:36,412 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:36" (1/2) ... [2023-10-12 17:36:36,413 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52737c20 and model type multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:36:36, skipping insertion in model container [2023-10-12 17:36:36,413 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:36:36,413 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:36:36" (2/2) ... [2023-10-12 17:36:36,414 INFO L332 chiAutomizerObserver]: Analyzing ICFG multiple_fork_same_id.bpl [2023-10-12 17:36:36,458 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:36:36,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 21 transitions, 66 flow [2023-10-12 17:36:36,496 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-10-12 17:36:36,496 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:36:36,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 21 events. 0/21 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 43 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2023-10-12 17:36:36,499 INFO L82 GeneralOperation]: Start removeDead. Operand has 26 places, 21 transitions, 66 flow [2023-10-12 17:36:36,501 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 23 places, 15 transitions, 48 flow [2023-10-12 17:36:36,504 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:36:36,513 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 15 transitions, 48 flow [2023-10-12 17:36:36,515 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 15 transitions, 48 flow [2023-10-12 17:36:36,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 23 places, 15 transitions, 48 flow [2023-10-12 17:36:36,520 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-10-12 17:36:36,520 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:36:36,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 21 events. 0/21 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 43 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2023-10-12 17:36:36,521 INFO L119 LiptonReduction]: Number of co-enabled transitions 96 [2023-10-12 17:36:36,567 INFO L134 LiptonReduction]: Checked pairs total: 87 [2023-10-12 17:36:36,567 INFO L136 LiptonReduction]: Total number of compositions: 4 [2023-10-12 17:36:36,576 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:36:36,576 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:36:36,576 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:36:36,577 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:36:36,577 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:36:36,577 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:36:36,577 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:36:36,577 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == RabinPetriNetCegarLoop ======== [2023-10-12 17:36:36,578 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 19 places, 11 transitions, 40 flow [2023-10-12 17:36:36,587 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2023-10-12 17:36:36,587 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:36:36,587 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is empty [2023-10-12 17:36:36,590 INFO L201 PluginConnector]: Adding new model multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:36:36 BoogieIcfgContainer [2023-10-12 17:36:36,591 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:36:36,593 INFO L158 Benchmark]: Toolchain (without parser) took 421.70ms. Allocated memory was 168.8MB in the beginning and 203.4MB in the end (delta: 34.6MB). Free memory was 115.8MB in the beginning and 165.7MB in the end (delta: -49.9MB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:36:36,594 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.24ms. Allocated memory is still 168.8MB. Free memory was 116.8MB in the beginning and 116.6MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:36:36,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.41ms. Allocated memory is still 168.8MB. Free memory was 115.7MB in the beginning and 114.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:36:36,597 INFO L158 Benchmark]: Boogie Preprocessor took 8.75ms. Allocated memory is still 168.8MB. Free memory was 114.1MB in the beginning and 113.1MB in the end (delta: 997.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:36:36,599 INFO L158 Benchmark]: RCFGBuilder took 211.49ms. Allocated memory is still 168.8MB. Free memory was 113.1MB in the beginning and 104.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2023-10-12 17:36:36,600 INFO L158 Benchmark]: BuchiAutomizer took 182.00ms. Allocated memory was 168.8MB in the beginning and 203.4MB in the end (delta: 34.6MB). Free memory was 104.7MB in the beginning and 165.7MB in the end (delta: -61.0MB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:36:36,606 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 0.24ms. Allocated memory is still 168.8MB. Free memory was 116.8MB in the beginning and 116.6MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 16.41ms. Allocated memory is still 168.8MB. Free memory was 115.7MB in the beginning and 114.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 8.75ms. Allocated memory is still 168.8MB. Free memory was 114.1MB in the beginning and 113.1MB in the end (delta: 997.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 211.49ms. Allocated memory is still 168.8MB. Free memory was 113.1MB in the beginning and 104.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 182.00ms. Allocated memory was 168.8MB in the beginning and 203.4MB in the end (delta: 34.6MB). Free memory was 104.7MB in the beginning and 165.7MB in the end (delta: -61.0MB). 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: 0.0s - 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, 19 PlacesAfterwards, 15 TransitionsBefore, 11 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 87 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 87, independent: 87, independent conditional: 0, independent unconditional: 87, 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: 66, independent: 66, independent conditional: 0, independent unconditional: 66, 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: 66, independent: 66, independent conditional: 0, independent unconditional: 66, 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: 87, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 66, unknown conditional: 0, unknown unconditional: 66] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, 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 17:36:36,657 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...