/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/Termination.epf -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/sum_invariant.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 16:53:10,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:53:10,626 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 16:53:10,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:53:10,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:53:10,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 16:53:10,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 16:53:10,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:53:10,653 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:53:10,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:53:10,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:53:10,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:53:10,654 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:53:10,654 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:53:10,654 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:53:10,654 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:53:10,654 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:53:10,655 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:53:10,656 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:53:10,656 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 16:53:10,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:53:10,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:53:10,656 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:53:10,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:53:10,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:53:10,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:53:10,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:53:10,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:53:10,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:53:10,657 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:53:10,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:53:10,657 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:53:10,657 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:53:10,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:53:10,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:53:10,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:53:10,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:53:10,658 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:53:10,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 16:53:10,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 16:53:10,658 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 16:53:10,658 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:53:10,658 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:53:10,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:53:10,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:53:10,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:53:10,895 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 16:53:10,895 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 16:53:10,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/regression/sum_invariant.bpl [2025-04-26 16:53:10,898 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/regression/sum_invariant.bpl' [2025-04-26 16:53:10,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:53:10,912 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 16:53:10,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:53:10,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:53:10,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:53:10,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:53:10" (1/1) ... [2025-04-26 16:53:10,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:53:10" (1/1) ... [2025-04-26 16:53:10,947 INFO L138 Inliner]: procedures = 2, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 16:53:10,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:53:10,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:53:10,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:53:10,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:53:10,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:53:10" (1/1) ... [2025-04-26 16:53:10,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:53:10" (1/1) ... [2025-04-26 16:53:10,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:53:10" (1/1) ... [2025-04-26 16:53:10,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:53:10" (1/1) ... [2025-04-26 16:53:10,956 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:53:10" (1/1) ... [2025-04-26 16:53:10,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:53:10" (1/1) ... [2025-04-26 16:53:10,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:53:10" (1/1) ... [2025-04-26 16:53:10,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:53:10" (1/1) ... [2025-04-26 16:53:10,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:53:10" (1/1) ... [2025-04-26 16:53:10,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:53:10,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:53:10,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:53:10,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:53:10,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:53:10" (1/1) ... [2025-04-26 16:53:10,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:53:10,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:53:10,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-26 16:53:10,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-26 16:53:11,016 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 16:53:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:53:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:53:11,016 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2025-04-26 16:53:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2025-04-26 16:53:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2025-04-26 16:53:11,017 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-26 16:53:11,048 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:53:11,049 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:53:11,098 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:53:11,098 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:53:11,105 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:53:11,105 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 16:53:11,105 INFO L201 PluginConnector]: Adding new model sum_invariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:53:11 BoogieIcfgContainer [2025-04-26 16:53:11,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:53:11,106 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:53:11,106 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:53:11,110 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:53:11,111 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:53:11,111 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:53:10" (1/2) ... [2025-04-26 16:53:11,112 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56df4777 and model type sum_invariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:53:11, skipping insertion in model container [2025-04-26 16:53:11,112 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:53:11,112 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:53:11" (2/2) ... [2025-04-26 16:53:11,113 INFO L376 chiAutomizerObserver]: Analyzing ICFG sum_invariant.bpl [2025-04-26 16:53:11,159 INFO L143 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2025-04-26 16:53:11,204 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 16:53:11,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 16:53:11,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:53:11,207 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-26 16:53:11,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-26 16:53:11,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 48 transitions, 160 flow [2025-04-26 16:53:11,273 INFO L116 PetriNetUnfolderBase]: 17/56 cut-off events. [2025-04-26 16:53:11,278 INFO L117 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2025-04-26 16:53:11,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 56 events. 17/56 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 141 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 49. Up to 12 conditions per place. [2025-04-26 16:53:11,282 INFO L82 GeneralOperation]: Start removeDead. Operand has 45 places, 48 transitions, 160 flow [2025-04-26 16:53:11,285 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 40 transitions, 140 flow [2025-04-26 16:53:11,285 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 41 places, 40 transitions, 140 flow [2025-04-26 16:53:11,291 INFO L135 AmpleReduction]: Starting ample reduction [2025-04-26 16:53:11,669 WARN L140 AmpleReduction]: Number of pruned transitions: 637 [2025-04-26 16:53:11,669 WARN L141 AmpleReduction]: Loop nodes with "changing loop node status": 0 [2025-04-26 16:53:11,669 WARN L142 AmpleReduction]: Number of trivial sets caused by loops: 0 [2025-04-26 16:53:11,669 WARN L143 AmpleReduction]: Number of not loop caused trivial ample sets:132 [2025-04-26 16:53:11,669 WARN L144 AmpleReduction]: Number of initially assigned non-trivial ample sets:290 [2025-04-26 16:53:11,670 WARN L145 AmpleReduction]: Times succ was already a loop node:0 [2025-04-26 16:53:11,670 WARN L146 AmpleReduction]: Times some other node on the cycle already had a trivial ample set:0 [2025-04-26 16:53:11,670 INFO L149 AmpleReduction]: Finished ample reduction [2025-04-26 16:53:11,676 INFO L136 dAbstractionProvider]: Constructed initial ample set-reduced NBA abstraction that has 423 states, 421 states have (on average 1.486935866983373) internal successors, (in total 626), 422 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:53:11,682 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 16:53:11,683 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 16:53:11,683 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 16:53:11,683 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 16:53:11,683 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 16:53:11,683 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 16:53:11,683 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 16:53:11,683 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 16:53:11,685 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 423 states, 421 states have (on average 1.486935866983373) internal successors, (in total 626), 422 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:53:11,711 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:53:11,711 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 16:53:11,721 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Exception during sending of exit command (exit): Broken pipe [2025-04-26 16:53:11,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-26 16:53:11,724 INFO L201 PluginConnector]: Adding new model sum_invariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 04:53:11 BoogieIcfgContainer [2025-04-26 16:53:11,724 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 16:53:11,725 INFO L158 Benchmark]: Toolchain (without parser) took 812.30ms. Allocated memory is still 159.4MB. Free memory was 84.3MB in the beginning and 78.3MB in the end (delta: 5.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2025-04-26 16:53:11,725 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.85ms. Allocated memory is still 159.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:53:11,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.33ms. Allocated memory is still 159.4MB. Free memory was 84.3MB in the beginning and 82.4MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-26 16:53:11,725 INFO L158 Benchmark]: Boogie Preprocessor took 19.28ms. Allocated memory is still 159.4MB. Free memory was 82.4MB in the beginning and 81.6MB in the end (delta: 853.4kB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:53:11,726 INFO L158 Benchmark]: RCFGBuilder took 136.57ms. Allocated memory is still 159.4MB. Free memory was 81.4MB in the beginning and 73.1MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-26 16:53:11,726 INFO L158 Benchmark]: BuchiAutomizer took 617.33ms. Allocated memory is still 159.4MB. Free memory was 73.0MB in the beginning and 78.3MB in the end (delta: -5.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:53:11,727 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 0.85ms. Allocated memory is still 159.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.33ms. Allocated memory is still 159.4MB. Free memory was 84.3MB in the beginning and 82.4MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.28ms. Allocated memory is still 159.4MB. Free memory was 82.4MB in the beginning and 81.6MB in the end (delta: 853.4kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 136.57ms. Allocated memory is still 159.4MB. Free memory was 81.4MB in the beginning and 73.1MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 617.33ms. Allocated memory is still 159.4MB. Free memory was 73.0MB in the beginning and 78.3MB in the end (delta: -5.3MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s 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: 0.4s InitialAbstraction: Time to compute Ample Reduction [ms]: 470, Number of transitions in reduction automaton: 626, Number of states in reduction automaton: 423, Underlying: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-04-26 16:53:11,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...