/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/parallel-sum-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 18:40:44,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 18:40:44,090 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 18:40:44,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 18:40:44,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 18:40:44,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 18:40:44,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 18:40:44,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 18:40:44,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 18:40:44,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 18:40:44,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 18:40:44,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 18:40:44,114 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 18:40:44,114 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 18:40:44,115 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 18:40:44,115 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 18:40:44,115 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 18:40:44,115 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 18:40:44,115 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 18:40:44,115 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 18:40:44,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 18:40:44,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 18:40:44,115 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 18:40:44,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 18:40:44,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 18:40:44,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 18:40:44,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 18:40:44,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 18:40:44,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 18:40:44,115 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 18:40:44,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 18:40:44,116 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 18:40:44,116 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 18:40:44,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 18:40:44,116 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 18:40:44,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:40:44,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 18:40:44,116 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 18:40:44,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 18:40:44,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 18:40:44,116 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 18:40:44,116 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 18:40:44,116 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 18:40:44,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 18:40:44,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 18:40:44,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 18:40:44,316 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 18:40:44,317 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 18:40:44,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl [2025-04-26 18:40:44,318 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl' [2025-04-26 18:40:44,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 18:40:44,340 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 18:40:44,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 18:40:44,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 18:40:44,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 18:40:44,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,378 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 18:40:44,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 18:40:44,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 18:40:44,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 18:40:44,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 18:40:44,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,388 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 18:40:44,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 18:40:44,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 18:40:44,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 18:40:44,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/1) ... [2025-04-26 18:40:44,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:40:44,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:44,423 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 18:40:44,426 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 18:40:44,446 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-26 18:40:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-26 18:40:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-26 18:40:44,447 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-26 18:40:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-26 18:40:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-26 18:40:44,447 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 18:40:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 18:40:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 18:40:44,447 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-26 18:40:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-26 18:40:44,447 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-26 18:40:44,447 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2025-04-26 18:40:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-26 18:40:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-26 18:40:44,448 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 18:40:44,489 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 18:40:44,490 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 18:40:44,570 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 18:40:44,571 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 18:40:44,595 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 18:40:44,596 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-04-26 18:40:44,596 INFO L201 PluginConnector]: Adding new model parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:40:44 BoogieIcfgContainer [2025-04-26 18:40:44,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 18:40:44,599 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 18:40:44,599 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 18:40:44,603 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 18:40:44,603 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:40:44,603 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:40:44" (1/2) ... [2025-04-26 18:40:44,606 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e5d9a84 and model type parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 06:40:44, skipping insertion in model container [2025-04-26 18:40:44,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:40:44,606 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:40:44" (2/2) ... [2025-04-26 18:40:44,607 INFO L376 chiAutomizerObserver]: Analyzing ICFG parallel-sum-1.wvr.bpl [2025-04-26 18:40:44,673 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-26 18:40:44,715 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 18:40:44,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 18:40:44,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:44,719 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 18:40:44,721 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 18:40:44,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 33 transitions, 94 flow [2025-04-26 18:40:44,798 INFO L116 PetriNetUnfolderBase]: 4/25 cut-off events. [2025-04-26 18:40:44,801 INFO L117 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-04-26 18:40:44,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 25 events. 4/25 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 17 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2025-04-26 18:40:44,804 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 33 transitions, 94 flow [2025-04-26 18:40:44,807 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 34 places, 25 transitions, 74 flow [2025-04-26 18:40:44,807 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 34 places, 25 transitions, 74 flow [2025-04-26 18:40:44,807 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 25 transitions, 74 flow [2025-04-26 18:40:44,837 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 166 states, 164 states have (on average 3.7378048780487805) internal successors, (in total 613), 165 states have internal predecessors, (613), 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 18:40:44,838 INFO L171 actionProvider$Eager]: Constructed initial Büchi automaton abstraction (from Petri net) that has 166 states, 164 states have (on average 3.7378048780487805) internal successors, (in total 613), 165 states have internal predecessors, (613), 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 18:40:44,839 INFO L135 AmpleReduction]: Starting ample reduction [2025-04-26 18:40:44,938 WARN L140 AmpleReduction]: Number of pruned transitions: 192 [2025-04-26 18:40:44,939 WARN L141 AmpleReduction]: Loop nodes with "changing loop node status": 0 [2025-04-26 18:40:44,939 WARN L142 AmpleReduction]: Number of trivial sets caused by loops: 50 [2025-04-26 18:40:44,939 WARN L143 AmpleReduction]: Number of not loop caused trivial ample sets:25 [2025-04-26 18:40:44,939 WARN L144 AmpleReduction]: Number of initially assigned non-trivial ample sets:71 [2025-04-26 18:40:44,939 WARN L145 AmpleReduction]: Times succ was already a loop node:127 [2025-04-26 18:40:44,939 WARN L146 AmpleReduction]: Times some other node on the cycle already had a trivial ample set:9 [2025-04-26 18:40:44,939 INFO L149 AmpleReduction]: Finished ample reduction [2025-04-26 18:40:44,941 INFO L136 dAbstractionProvider]: Constructed initial ample set-reduced NBA abstraction that has 147 states, 145 states have (on average 2.372413793103448) internal successors, (in total 344), 146 states have internal predecessors, (344), 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 18:40:44,947 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 18:40:44,948 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 18:40:44,948 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 18:40:44,948 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 18:40:44,949 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 18:40:44,949 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 18:40:44,949 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 18:40:44,949 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 18:40:44,951 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 147 states, 145 states have (on average 2.372413793103448) internal successors, (in total 344), 146 states have internal predecessors, (344), 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 18:40:44,969 INFO L131 ngComponentsAnalysis]: Automaton has 36 accepting balls. 127 [2025-04-26 18:40:44,971 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:40:44,971 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:40:44,974 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-04-26 18:40:44,974 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 18:40:44,974 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 18:40:44,974 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 147 states, 145 states have (on average 2.372413793103448) internal successors, (in total 344), 146 states have internal predecessors, (344), 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 18:40:44,984 INFO L131 ngComponentsAnalysis]: Automaton has 36 accepting balls. 127 [2025-04-26 18:40:44,985 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:40:44,985 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:40:44,985 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-04-26 18:40:44,985 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 18:40:44,989 INFO L752 eck$LassoCheckResult]: Stem: "[74] $Ultimate##0-->L76: Formula: (and (= v_s1_5 v_s2_1) (= v_s1_5 0) (= v_i2_1 v_s1_5) (= v_i1_9 v_s1_5)) InVars {i1=v_i1_9, i2=v_i2_1, s1=v_s1_5, s2=v_s2_1} OutVars{i1=v_i1_9, i2=v_i2_1, s1=v_s1_5, s2=v_s2_1} AuxVars[] AssignedVars[]" "[92] L76-->L23: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" [2025-04-26 18:40:44,990 INFO L754 eck$LassoCheckResult]: Loop: "[79] L23-->L24: Formula: (and (< v_i1_16 v_n_6) (= v_i1_15 (+ v_i1_16 1)) (= v_t11_5 (select v_x_7 v_i1_15))) InVars {i1=v_i1_16, x=v_x_7, n=v_n_6} OutVars{t11=v_t11_5, i1=v_i1_15, x=v_x_7, n=v_n_6} AuxVars[] AssignedVars[t11, i1]" "[80] L24-->L23: Formula: (= (+ v_s1_2 v_t11_2) v_s1_1) InVars {t11=v_t11_2, s1=v_s1_2} OutVars{t11=v_t11_2, s1=v_s1_1} AuxVars[] AssignedVars[s1]" [2025-04-26 18:40:44,993 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:44,993 INFO L85 PathProgramCache]: Analyzing trace with hash 3347, now seen corresponding path program 1 times [2025-04-26 18:40:44,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:44,998 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103553680] [2025-04-26 18:40:44,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:44,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:45,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:45,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:45,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,043 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:45,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:45,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:45,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:45,065 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:45,065 INFO L85 PathProgramCache]: Analyzing trace with hash 3490, now seen corresponding path program 1 times [2025-04-26 18:40:45,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:45,065 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105566826] [2025-04-26 18:40:45,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:45,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:45,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:45,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:45,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,078 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:45,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:45,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:45,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:45,086 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:45,086 INFO L85 PathProgramCache]: Analyzing trace with hash 3218996, now seen corresponding path program 1 times [2025-04-26 18:40:45,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:45,086 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503214947] [2025-04-26 18:40:45,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:45,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:45,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 18:40:45,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 18:40:45,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,100 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:45,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 18:40:45,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 18:40:45,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:45,267 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:40:45,268 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:40:45,268 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:40:45,268 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:40:45,268 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:40:45,268 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:45,268 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:40:45,268 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:40:45,268 INFO L132 ssoRankerPreferences]: Filename of dumped script: parallel-sum-1.wvr.bpl_petrified1_Iteration1_Lasso [2025-04-26 18:40:45,269 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:40:45,269 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:40:45,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:45,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:45,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:45,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:45,462 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:40:45,465 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:40:45,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:45,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:45,472 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:45,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-04-26 18:40:45,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:45,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:45,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:45,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:45,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:45,493 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:45,493 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:45,497 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:45,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-04-26 18:40:45,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:45,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:45,506 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:45,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-04-26 18:40:45,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:45,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:45,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:45,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:45,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:45,522 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:45,522 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:45,528 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:45,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:45,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:45,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:45,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:45,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-04-26 18:40:45,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:45,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:45,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:45,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:45,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:45,556 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:45,556 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:45,560 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:45,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:45,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:45,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:45,569 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:45,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-04-26 18:40:45,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:45,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:45,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:45,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:45,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:45,585 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:45,585 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:45,596 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:45,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-04-26 18:40:45,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:45,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:45,605 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:45,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-04-26 18:40:45,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:45,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:45,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:45,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:45,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:45,622 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:45,622 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:45,632 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:40:45,641 INFO L436 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-04-26 18:40:45,642 INFO L437 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-04-26 18:40:45,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:45,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:45,676 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:45,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-04-26 18:40:45,679 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:40:45,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-04-26 18:40:45,695 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 18:40:45,695 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:40:45,696 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1, n) = -1*i1 + 1*n Supporting invariants [] [2025-04-26 18:40:45,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-04-26 18:40:45,704 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 18:40:45,726 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:45,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:45,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:45,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:40:45,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 18:40:45,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:40:45,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:45,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:45,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:40:45,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 18:40:45,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:40:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 18:40:45,806 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-04-26 18:40:45,807 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 147 states, 145 states have (on average 2.372413793103448) internal successors, (in total 344), 146 states have internal predecessors, (344), 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (in total 4), 3 states have internal predecessors, (4), 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 18:40:45,890 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 147 states, 145 states have (on average 2.372413793103448) internal successors, (in total 344), 146 states have internal predecessors, (344), 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). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (in total 4), 3 states have internal predecessors, (4), 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) Result 361 states and 857 transitions. Complement of second has 5 states. [2025-04-26 18:40:45,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-04-26 18:40:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (in total 4), 3 states have internal predecessors, (4), 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 18:40:45,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 41 transitions. [2025-04-26 18:40:45,899 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 41 transitions. Stem has 2 letters. Loop has 2 letters. [2025-04-26 18:40:45,901 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:45,901 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 41 transitions. Stem has 4 letters. Loop has 2 letters. [2025-04-26 18:40:45,901 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:45,902 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 41 transitions. Stem has 2 letters. Loop has 4 letters. [2025-04-26 18:40:45,902 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:45,902 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 361 states and 857 transitions. [2025-04-26 18:40:45,912 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 29 [2025-04-26 18:40:45,917 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 361 states to 295 states and 699 transitions. [2025-04-26 18:40:45,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 91 [2025-04-26 18:40:45,919 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 165 [2025-04-26 18:40:45,921 INFO L74 IsDeterministic]: Start isDeterministic. Operand 295 states and 699 transitions. [2025-04-26 18:40:45,922 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:40:45,922 INFO L218 hiAutomatonCegarLoop]: Abstraction has 295 states and 699 transitions. [2025-04-26 18:40:45,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states and 699 transitions. [2025-04-26 18:40:45,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 240. [2025-04-26 18:40:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 240 states have (on average 2.4291666666666667) internal successors, (in total 583), 239 states have internal predecessors, (583), 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 18:40:45,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 583 transitions. [2025-04-26 18:40:45,958 INFO L240 hiAutomatonCegarLoop]: Abstraction has 240 states and 583 transitions. [2025-04-26 18:40:45,958 INFO L438 stractBuchiCegarLoop]: Abstraction has 240 states and 583 transitions. [2025-04-26 18:40:45,958 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 18:40:45,959 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 240 states and 583 transitions. [2025-04-26 18:40:45,962 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 29 [2025-04-26 18:40:45,962 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:40:45,962 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:40:45,962 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-04-26 18:40:45,962 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 18:40:45,963 INFO L752 eck$LassoCheckResult]: Stem: "[74] $Ultimate##0-->L76: Formula: (and (= v_s1_5 v_s2_1) (= v_s1_5 0) (= v_i2_1 v_s1_5) (= v_i1_9 v_s1_5)) InVars {i1=v_i1_9, i2=v_i2_1, s1=v_s1_5, s2=v_s2_1} OutVars{i1=v_i1_9, i2=v_i2_1, s1=v_s1_5, s2=v_s2_1} AuxVars[] AssignedVars[]" "[92] L76-->L23: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[78] L23-->thread1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[95] L76-1-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[81] L36-->thread2EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[98] L77-->L49: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0]" [2025-04-26 18:40:45,963 INFO L754 eck$LassoCheckResult]: Loop: "[85] L49-->L50: Formula: (and (= (+ v_i2_16 1) v_i2_15) (< v_i2_16 v_n_10) (= v_t12_5 (select v_x_15 v_i2_15))) InVars {x=v_x_15, i2=v_i2_16, n=v_n_10} OutVars{t12=v_t12_5, x=v_x_15, i2=v_i2_15, n=v_n_10} AuxVars[] AssignedVars[t12, i2]" "[86] L50-->L49: Formula: (= (+ v_s2_4 v_t12_2) v_s2_3) InVars {t12=v_t12_2, s2=v_s2_4} OutVars{t12=v_t12_2, s2=v_s2_3} AuxVars[] AssignedVars[s2]" [2025-04-26 18:40:45,963 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:45,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1201524907, now seen corresponding path program 1 times [2025-04-26 18:40:45,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:45,963 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035662615] [2025-04-26 18:40:45,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:45,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:45,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 18:40:45,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 18:40:45,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,969 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:45,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 18:40:45,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 18:40:45,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:45,979 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:45,979 INFO L85 PathProgramCache]: Analyzing trace with hash 3682, now seen corresponding path program 1 times [2025-04-26 18:40:45,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:45,979 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402059182] [2025-04-26 18:40:45,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:45,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:45,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:45,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:45,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,983 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:45,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:45,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:45,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:45,986 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:45,986 INFO L85 PathProgramCache]: Analyzing trace with hash 680769718, now seen corresponding path program 1 times [2025-04-26 18:40:45,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:40:45,987 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194020620] [2025-04-26 18:40:45,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:40:45,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:40:45,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 18:40:45,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 18:40:45,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,992 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:40:45,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 18:40:45,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 18:40:45,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:45,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:40:45,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:40:46,082 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:40:46,082 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:40:46,082 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:40:46,082 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:40:46,082 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:40:46,082 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,082 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:40:46,082 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:40:46,082 INFO L132 ssoRankerPreferences]: Filename of dumped script: parallel-sum-1.wvr.bpl_petrified1_Iteration2_Lasso [2025-04-26 18:40:46,082 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:40:46,082 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:40:46,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,119 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:40:46,220 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:40:46,220 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:40:46,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,223 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:46,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-04-26 18:40:46,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:46,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:46,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:46,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:46,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:46,237 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:46,237 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:46,252 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:46,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-04-26 18:40:46,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,260 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:46,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-04-26 18:40:46,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:46,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:46,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:46,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:46,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:46,274 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:46,274 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:46,277 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:46,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-04-26 18:40:46,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,285 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:46,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-04-26 18:40:46,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:46,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:46,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:46,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:46,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:46,303 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:46,303 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:46,308 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:40:46,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-04-26 18:40:46,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,315 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:46,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-04-26 18:40:46,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:40:46,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:40:46,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:40:46,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:40:46,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:40:46,334 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:40:46,334 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:40:46,338 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:40:46,345 INFO L436 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-04-26 18:40:46,345 INFO L437 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-04-26 18:40:46,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:40:46,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:40:46,347 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:40:46,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-04-26 18:40:46,353 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:40:46,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-04-26 18:40:46,371 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 18:40:46,371 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:40:46,371 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(i2, n) = -1*i2 + 1*n Supporting invariants [] [2025-04-26 18:40:46,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-04-26 18:40:46,384 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 18:40:46,395 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:40:46,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 18:40:46,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 18:40:46,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:46,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:40:46,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 18:40:46,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:40:46,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:40:46,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:40:46,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:40:46,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:40:46,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 18:40:46,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:40:46,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 18:40:46,429 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-04-26 18:40:46,430 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 240 states and 583 transitions. cyclomatic complexity: 379 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (in total 8), 3 states have internal predecessors, (8), 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 18:40:46,458 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 240 states and 583 transitions. cyclomatic complexity: 379. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (in total 8), 3 states have internal predecessors, (8), 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) Result 560 states and 1300 transitions. Complement of second has 4 states. [2025-04-26 18:40:46,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-04-26 18:40:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (in total 8), 3 states have internal predecessors, (8), 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 18:40:46,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2025-04-26 18:40:46,459 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 38 transitions. Stem has 6 letters. Loop has 2 letters. [2025-04-26 18:40:46,459 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:46,459 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 38 transitions. Stem has 8 letters. Loop has 2 letters. [2025-04-26 18:40:46,460 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:46,460 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 38 transitions. Stem has 6 letters. Loop has 4 letters. [2025-04-26 18:40:46,460 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:40:46,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 560 states and 1300 transitions. [2025-04-26 18:40:46,464 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 18:40:46,464 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 560 states to 0 states and 0 transitions. [2025-04-26 18:40:46,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 18:40:46,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 18:40:46,464 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 18:40:46,464 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 18:40:46,465 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:40:46,465 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:40:46,465 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:40:46,465 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 18:40:46,465 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 18:40:46,465 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 18:40:46,465 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 18:40:46,475 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 18:40:46,476 INFO L201 PluginConnector]: Adding new model parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 06:40:46 BoogieIcfgContainer [2025-04-26 18:40:46,476 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 18:40:46,477 INFO L158 Benchmark]: Toolchain (without parser) took 2137.18ms. Allocated memory was 159.4MB in the beginning and 167.8MB in the end (delta: 8.4MB). Free memory was 84.8MB in the beginning and 46.4MB in the end (delta: 38.3MB). Peak memory consumption was 51.2MB. Max. memory is 8.0GB. [2025-04-26 18:40:46,477 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:40:46,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.17ms. Allocated memory is still 159.4MB. Free memory was 84.8MB in the beginning and 83.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:40:46,478 INFO L158 Benchmark]: Boogie Preprocessor took 18.47ms. Allocated memory is still 159.4MB. Free memory was 82.8MB in the beginning and 81.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:40:46,478 INFO L158 Benchmark]: RCFGBuilder took 196.08ms. Allocated memory is still 159.4MB. Free memory was 81.8MB in the beginning and 71.3MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-26 18:40:46,478 INFO L158 Benchmark]: BuchiAutomizer took 1877.69ms. Allocated memory was 159.4MB in the beginning and 167.8MB in the end (delta: 8.4MB). Free memory was 71.3MB in the beginning and 46.4MB in the end (delta: 24.8MB). Peak memory consumption was 38.6MB. Max. memory is 8.0GB. [2025-04-26 18:40:46,481 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 0.17ms. Allocated memory is still 159.4MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.17ms. Allocated memory is still 159.4MB. Free memory was 84.8MB in the beginning and 83.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 18.47ms. Allocated memory is still 159.4MB. Free memory was 82.8MB in the beginning and 81.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 196.08ms. Allocated memory is still 159.4MB. Free memory was 81.8MB in the beginning and 71.3MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 1877.69ms. Allocated memory was 159.4MB in the beginning and 167.8MB in the end (delta: 8.4MB). Free memory was 71.3MB in the beginning and 46.4MB in the end (delta: 24.8MB). Peak memory consumption was 38.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 23 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital44 mio100 ax100 hnf100 lsp64 ukn92 mio100 lsp53 div100 bol100 ite100 ukn100 eq185 hnf92 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.2s InitialAbstraction: Time to compute Ample Reduction [ms]: 228, Number of transitions in reduction automaton: 344, Number of states in reduction automaton: 147, Underlying: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n + -1 * i1 and consists of 4 locations. One deterministic module has affine ranking function -1 * i2 + n and consists of 3 locations. - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-04-26 18:40:46,493 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...