/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/weaver-benchmarks/generated/parallel/bakery-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 18:40:34,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 18:40:34,283 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 18:40:34,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 18:40:34,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 18:40:34,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 18:40:34,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 18:40:34,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 18:40:34,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 18:40:34,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 18:40:34,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 18:40:34,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 18:40:34,317 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 18:40:34,317 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 18:40:34,317 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 18:40:34,317 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 18:40:34,318 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 18:40:34,318 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 18:40:34,318 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 18:40:34,318 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 18:40:34,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 18:40:34,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 18:40:34,318 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 18:40:34,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 18:40:34,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 18:40:34,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 18:40:34,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 18:40:34,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 18:40:34,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 18:40:34,318 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 18:40:34,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 18:40:34,319 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 18:40:34,319 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 18:40:34,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 18:40:34,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 18:40:34,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:40:34,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 18:40:34,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 18:40:34,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 18:40:34,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 18:40:34,319 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 18:40:34,319 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 18:40:34,319 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 18:40:34,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 18:40:34,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 18:40:34,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 18:40:34,567 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 18:40:34,569 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 18:40:34,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-4.wvr.bpl [2025-04-26 18:40:34,573 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-4.wvr.bpl' [2025-04-26 18:40:34,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 18:40:34,596 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 18:40:34,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 18:40:34,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 18:40:34,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 18:40:34,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:34" (1/1) ... [2025-04-26 18:40:34,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:34" (1/1) ... [2025-04-26 18:40:34,627 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 18:40:34,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 18:40:34,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 18:40:34,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 18:40:34,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 18:40:34,633 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:34" (1/1) ... [2025-04-26 18:40:34,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:34" (1/1) ... [2025-04-26 18:40:34,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:34" (1/1) ... [2025-04-26 18:40:34,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:34" (1/1) ... [2025-04-26 18:40:34,637 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:34" (1/1) ... [2025-04-26 18:40:34,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:34" (1/1) ... [2025-04-26 18:40:34,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:34" (1/1) ... [2025-04-26 18:40:34,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:34" (1/1) ... [2025-04-26 18:40:34,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:34" (1/1) ... [2025-04-26 18:40:34,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 18:40:34,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 18:40:34,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 18:40:34,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 18:40:34,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:34" (1/1) ... [2025-04-26 18:40:34,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:40:34,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:34,686 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 18:40:34,689 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 18:40:34,712 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-26 18:40:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-26 18:40:34,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-26 18:40:34,713 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-26 18:40:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-26 18:40:34,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-26 18:40:34,713 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 18:40:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 18:40:34,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 18:40:34,713 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-26 18:40:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-26 18:40:34,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-26 18:40:34,713 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2025-04-26 18:40:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-26 18:40:34,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-26 18:40:34,714 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 18:40:34,755 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 18:40:34,756 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 18:40:34,933 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 18:40:34,934 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 18:40:34,942 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 18:40:34,942 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 18:40:34,942 INFO L201 PluginConnector]: Adding new model bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:40:34 BoogieIcfgContainer [2025-04-26 18:40:34,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 18:40:34,943 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 18:40:34,943 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 18:40:34,947 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 18:40:34,947 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:40:34,947 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:34" (1/2) ... [2025-04-26 18:40:34,948 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27be644 and model type bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 06:40:34, skipping insertion in model container [2025-04-26 18:40:34,948 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:40:34,948 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:40:34" (2/2) ... [2025-04-26 18:40:34,949 INFO L376 chiAutomizerObserver]: Analyzing ICFG bakery-4.wvr.bpl [2025-04-26 18:40:35,008 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-26 18:40:35,046 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 18:40:35,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 18:40:35,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:35,049 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 18:40:35,050 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 18:40:35,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 85 transitions, 198 flow [2025-04-26 18:40:35,146 INFO L116 PetriNetUnfolderBase]: 0/77 cut-off events. [2025-04-26 18:40:35,148 INFO L117 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-04-26 18:40:35,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 77 events. 0/77 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 196 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2025-04-26 18:40:35,153 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 85 transitions, 198 flow [2025-04-26 18:40:35,158 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 77 transitions, 178 flow [2025-04-26 18:40:35,158 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 90 places, 77 transitions, 178 flow [2025-04-26 18:40:35,160 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 90 places, 77 transitions, 178 flow [2025-04-26 18:40:37,160 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 93966 states, 93964 states have (on average 3.7646439061768335) internal successors, (in total 353741), 93965 states have internal predecessors, (353741), 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 18:40:37,355 INFO L171 actionProvider$Eager]: Constructed initial Büchi automaton abstraction (from Petri net) that has 93966 states, 93964 states have (on average 3.7646439061768335) internal successors, (in total 353741), 93965 states have internal predecessors, (353741), 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 18:40:37,358 INFO L135 AmpleReduction]: Starting ample reduction [2025-04-26 18:40:40,928 WARN L140 AmpleReduction]: Number of pruned transitions: 99941 [2025-04-26 18:40:40,929 WARN L141 AmpleReduction]: Loop nodes with "changing loop node status": 0 [2025-04-26 18:40:40,929 WARN L142 AmpleReduction]: Number of trivial sets caused by loops: 0 [2025-04-26 18:40:40,929 WARN L143 AmpleReduction]: Number of not loop caused trivial ample sets:18709 [2025-04-26 18:40:40,929 WARN L144 AmpleReduction]: Number of initially assigned non-trivial ample sets:41062 [2025-04-26 18:40:40,929 WARN L145 AmpleReduction]: Times succ was already a loop node:0 [2025-04-26 18:40:40,929 WARN L146 AmpleReduction]: Times some other node on the cycle already had a trivial ample set:0 [2025-04-26 18:40:40,929 INFO L149 AmpleReduction]: Finished ample reduction [2025-04-26 18:40:41,020 INFO L136 dAbstractionProvider]: Constructed initial ample set-reduced NBA abstraction that has 59772 states, 59770 states have (on average 2.0903965199933077) internal successors, (in total 124943), 59771 states have internal predecessors, (124943), 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 18:40:41,027 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 18:40:41,027 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 18:40:41,027 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 18:40:41,027 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 18:40:41,027 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 18:40:41,028 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 18:40:41,028 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 18:40:41,028 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 18:40:41,104 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 59772 states, 59770 states have (on average 2.0903965199933077) internal successors, (in total 124943), 59771 states have internal predecessors, (124943), 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 18:40:42,068 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 18:40:42,068 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 18:40:42,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:42,079 INFO L201 PluginConnector]: Adding new model bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 06:40:42 BoogieIcfgContainer [2025-04-26 18:40:42,079 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 18:40:42,081 INFO L158 Benchmark]: Toolchain (without parser) took 7483.35ms. Allocated memory was 159.4MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 86.5MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 843.2MB. Max. memory is 8.0GB. [2025-04-26 18:40:42,081 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.85ms. Allocated memory is still 159.4MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:40:42,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.96ms. Allocated memory is still 159.4MB. Free memory was 86.5MB in the beginning and 84.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:40:42,094 INFO L158 Benchmark]: Boogie Preprocessor took 23.37ms. Allocated memory is still 159.4MB. Free memory was 84.5MB in the beginning and 83.4MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-26 18:40:42,094 INFO L158 Benchmark]: RCFGBuilder took 285.40ms. Allocated memory is still 159.4MB. Free memory was 83.4MB in the beginning and 71.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-26 18:40:42,095 INFO L158 Benchmark]: BuchiAutomizer took 7135.80ms. Allocated memory was 159.4MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 71.3MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 826.4MB. Max. memory is 8.0GB. [2025-04-26 18:40:42,100 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 87.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.96ms. Allocated memory is still 159.4MB. Free memory was 86.5MB in the beginning and 84.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 23.37ms. Allocated memory is still 159.4MB. Free memory was 84.5MB in the beginning and 83.4MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 285.40ms. Allocated memory is still 159.4MB. Free memory was 83.4MB in the beginning and 71.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 7135.80ms. Allocated memory was 159.4MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 71.3MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 826.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.0s 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: 5.9s InitialAbstraction: Time to compute Ample Reduction [ms]: 5888, Number of transitions in reduction automaton: 124943, Number of states in reduction automaton: 59772, 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 18:40:42,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...