/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/LBE_Y_to_V.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:36:22,735 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:36:22,795 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 17:36:22,816 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:36:22,817 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:36:22,817 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:36:22,819 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:36:22,819 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:36:22,820 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:36:22,822 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:36:22,823 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:36:22,823 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:36:22,823 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:36:22,824 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:36:22,825 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:36:22,825 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:36:22,825 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:36:22,825 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:36:22,825 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:36:22,825 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:36:22,826 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:36:22,826 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:36:22,826 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:36:22,826 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:36:22,826 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:36:22,827 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:36:22,827 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:36:22,827 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:36:22,827 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:36:22,827 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:36:22,828 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:36:22,828 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:36:22,828 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:36:22,829 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:36:22,830 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> RABIN_PETRI_NET [2023-10-12 17:36:23,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:36:23,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:36:23,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:36:23,045 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:36:23,047 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:36:23,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/LBE_Y_to_V.bpl [2023-10-12 17:36:23,048 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/LBE_Y_to_V.bpl' [2023-10-12 17:36:23,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:36:23,068 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:36:23,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:36:23,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:36:23,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:36:23,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:23" (1/1) ... [2023-10-12 17:36:23,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:23" (1/1) ... [2023-10-12 17:36:23,087 INFO L138 Inliner]: procedures = 2, calls = 0, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:36:23,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:36:23,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:36:23,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:36:23,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:36:23,096 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:23" (1/1) ... [2023-10-12 17:36:23,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:23" (1/1) ... [2023-10-12 17:36:23,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:23" (1/1) ... [2023-10-12 17:36:23,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:23" (1/1) ... [2023-10-12 17:36:23,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:23" (1/1) ... [2023-10-12 17:36:23,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:23" (1/1) ... [2023-10-12 17:36:23,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:23" (1/1) ... [2023-10-12 17:36:23,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:23" (1/1) ... [2023-10-12 17:36:23,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:36:23,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:36:23,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:36:23,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:36:23,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:23" (1/1) ... [2023-10-12 17:36:23,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:36:23,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:36:23,130 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 17:36:23,148 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 17:36:23,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:36:23,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:36:23,191 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:36:23,192 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:36:23,236 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:36:23,240 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:36:23,241 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:36:23,242 INFO L201 PluginConnector]: Adding new model LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:36:23 BoogieIcfgContainer [2023-10-12 17:36:23,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:36:23,243 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:36:23,243 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:36:23,245 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:36:23,246 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:36:23,246 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:36:23" (1/2) ... [2023-10-12 17:36:23,247 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59ff5e5c and model type LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:36:23, skipping insertion in model container [2023-10-12 17:36:23,247 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:36:23,247 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:36:23" (2/2) ... [2023-10-12 17:36:23,248 INFO L332 chiAutomizerObserver]: Analyzing ICFG LBE_Y_to_V.bpl [2023-10-12 17:36:23,283 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:36:23,283 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:36:23,283 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:36:23,283 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:36:23,284 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:36:23,284 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:36:23,284 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:36:23,284 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-10-12 17:36:23,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-10-12 17:36:23,299 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:36:23,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-10-12 17:36:23,302 INFO L201 PluginConnector]: Adding new model LBE_Y_to_V.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:36:23 BoogieIcfgContainer [2023-10-12 17:36:23,302 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:36:23,303 INFO L158 Benchmark]: Toolchain (without parser) took 235.07ms. Allocated memory is still 187.7MB. Free memory was 136.5MB in the beginning and 120.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-10-12 17:36:23,304 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.21ms. Allocated memory is still 187.7MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:36:23,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.66ms. Allocated memory is still 187.7MB. Free memory was 136.5MB in the beginning and 135.0MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-10-12 17:36:23,305 INFO L158 Benchmark]: Boogie Preprocessor took 12.17ms. Allocated memory is still 187.7MB. Free memory was 135.0MB in the beginning and 133.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:36:23,305 INFO L158 Benchmark]: RCFGBuilder took 140.09ms. Allocated memory is still 187.7MB. Free memory was 133.9MB in the beginning and 126.0MB in the end (delta: 7.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-10-12 17:36:23,306 INFO L158 Benchmark]: BuchiAutomizer took 59.51ms. Allocated memory is still 187.7MB. Free memory was 125.8MB in the beginning and 120.8MB in the end (delta: 5.0MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-10-12 17:36:23,307 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 0.21ms. Allocated memory is still 187.7MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.66ms. Allocated memory is still 187.7MB. Free memory was 136.5MB in the beginning and 135.0MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.17ms. Allocated memory is still 187.7MB. Free memory was 135.0MB in the beginning and 133.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 140.09ms. Allocated memory is still 187.7MB. Free memory was 133.9MB in the beginning and 126.0MB in the end (delta: 7.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * BuchiAutomizer took 59.51ms. Allocated memory is still 187.7MB. Free memory was 125.8MB in the beginning and 120.8MB in the end (delta: 5.0MB). Peak memory consumption was 5.2MB. 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 0.0s 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 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:36:23,321 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...