/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/buchiAutomizer/concurrent-automaton-noLbe.epf -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 16:22:40,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:22:40,056 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-04-26 16:22:40,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:22:40,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:22:40,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:22:40,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:22:40,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:22:40,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:22:40,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:22:40,083 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:22:40,083 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:22:40,083 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:22:40,083 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:22:40,083 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:22:40,083 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:22:40,083 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:22:40,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:22:40,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:22:40,083 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:22:40,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:22:40,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:22:40,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:22:40,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:22:40,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:22:40,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:22:40,084 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-26 16:22:40,084 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:22:40,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:22:40,084 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:22:40,084 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:22:40,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:22:40,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:22:40,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:22:40,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:22:40,086 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:22:40,086 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:22:40,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:22:40,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:22:40,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:22:40,326 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 16:22:40,327 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 16:22:40,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl [2025-04-26 16:22:40,330 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl' [2025-04-26 16:22:40,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:22:40,350 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 16:22:40,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:22:40,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:22:40,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:22:40,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:40" (1/1) ... [2025-04-26 16:22:40,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:40" (1/1) ... [2025-04-26 16:22:40,385 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 16:22:40,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:22:40,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:22:40,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:22:40,388 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:22:40,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:40" (1/1) ... [2025-04-26 16:22:40,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:40" (1/1) ... [2025-04-26 16:22:40,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:40" (1/1) ... [2025-04-26 16:22:40,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:40" (1/1) ... [2025-04-26 16:22:40,395 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:40" (1/1) ... [2025-04-26 16:22:40,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:40" (1/1) ... [2025-04-26 16:22:40,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:40" (1/1) ... [2025-04-26 16:22:40,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:40" (1/1) ... [2025-04-26 16:22:40,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:40" (1/1) ... [2025-04-26 16:22:40,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:22:40,411 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:22:40,411 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:22:40,411 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:22:40,412 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:40" (1/1) ... [2025-04-26 16:22:40,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:40,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:22:40,437 INFO L229 MonitoredProcess]: Starting monitored process 1 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 16:22:40,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-04-26 16:22:40,461 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-26 16:22:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-26 16:22:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-26 16:22:40,461 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-26 16:22:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-26 16:22:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-26 16:22:40,461 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 16:22:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:22:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:22:40,462 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-26 16:22:40,499 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:22:40,500 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:22:40,574 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:22:40,575 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:22:40,585 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:22:40,585 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 16:22:40,586 INFO L201 PluginConnector]: Adding new model misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:22:40 BoogieIcfgContainer [2025-04-26 16:22:40,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:22:40,586 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:22:40,587 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:22:40,592 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:22:40,593 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:22:40,593 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:40" (1/2) ... [2025-04-26 16:22:40,594 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b0dd75c and model type misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:22:40, skipping insertion in model container [2025-04-26 16:22:40,594 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:22:40,594 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:22:40" (2/2) ... [2025-04-26 16:22:40,595 INFO L376 chiAutomizerObserver]: Analyzing ICFG misc-2.wvr.bpl [2025-04-26 16:22:40,641 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-26 16:22:40,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 31 transitions, 76 flow [2025-04-26 16:22:40,696 INFO L116 PetriNetUnfolderBase]: 4/27 cut-off events. [2025-04-26 16:22:40,697 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-26 16:22:40,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 27 events. 4/27 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 54 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2025-04-26 16:22:40,704 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 31 transitions, 76 flow [2025-04-26 16:22:40,708 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 27 transitions, 66 flow [2025-04-26 16:22:40,708 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 30 places, 27 transitions, 66 flow [2025-04-26 16:22:40,718 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 16:22:40,719 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 16:22:40,719 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 16:22:40,719 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 16:22:40,719 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 16:22:40,719 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 16:22:40,719 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 16:22:40,719 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 16:22:40,721 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2025-04-26 16:22:40,760 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 72 [2025-04-26 16:22:40,760 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:22:40,760 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:22:40,763 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-04-26 16:22:40,763 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-04-26 16:22:40,763 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 16:22:40,763 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 86 states, but on-demand construction may add more states [2025-04-26 16:22:40,766 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 72 [2025-04-26 16:22:40,766 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:22:40,767 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:22:40,767 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-04-26 16:22:40,767 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-04-26 16:22:40,773 INFO L752 eck$LassoCheckResult]: Stem: "[65] $Ultimate##0-->L54: Formula: (and (= v_i2_5 v_pos_9) (= v_i1_5 v_pos_9) (= v_pos_9 0)) InVars {i1=v_i1_5, pos=v_pos_9, i2=v_i2_5} OutVars{i1=v_i1_5, pos=v_pos_9, i2=v_i2_5} AuxVars[] AssignedVars[]" "[88] L54-->L19: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" [2025-04-26 16:22:40,773 INFO L754 eck$LassoCheckResult]: Loop: "[69] L19-->L20: Formula: (< v_i1_1 (* 2 v_N_1)) InVars {i1=v_i1_1, N=v_N_1} OutVars{i1=v_i1_1, N=v_N_1} AuxVars[] AssignedVars[]" "[71] L20-->L21: Formula: v_d1_1 InVars {d1=v_d1_1} OutVars{d1=v_d1_1} AuxVars[] AssignedVars[]" "[73] L21-->L20-2: Formula: (= (+ v_pos_2 1) v_pos_1) InVars {pos=v_pos_2} OutVars{pos=v_pos_1} AuxVars[] AssignedVars[pos]" "[75] L20-2-->L29: Formula: (or (and v_d1_3 (not v_d1_4)) (and (not v_d1_3) v_d1_4)) InVars {d1=v_d1_4} OutVars{d1=v_d1_3} AuxVars[] AssignedVars[d1]" "[76] L29-->L19: Formula: (= v_i1_2 (+ v_i1_3 1)) InVars {i1=v_i1_3} OutVars{i1=v_i1_2} AuxVars[] AssignedVars[i1]" [2025-04-26 16:22:40,776 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:22:40,778 INFO L85 PathProgramCache]: Analyzing trace with hash 3064, now seen corresponding path program 1 times [2025-04-26 16:22:40,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:22:40,783 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932043099] [2025-04-26 16:22:40,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:22:40,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:22:40,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:22:40,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:22:40,841 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:22:40,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:22:40,841 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:22:40,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:22:40,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:22:40,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:22:40,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:22:40,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:22:40,860 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:22:40,860 INFO L85 PathProgramCache]: Analyzing trace with hash 94539815, now seen corresponding path program 1 times [2025-04-26 16:22:40,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:22:40,860 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582766384] [2025-04-26 16:22:40,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:22:40,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:22:40,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:22:40,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:22:40,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:22:40,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:22:40,866 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:22:40,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:22:40,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:22:40,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:22:40,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:22:40,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:22:40,871 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:22:40,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1886283408, now seen corresponding path program 1 times [2025-04-26 16:22:40,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:22:40,872 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990805764] [2025-04-26 16:22:40,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:22:40,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:22:40,875 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 16:22:40,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 16:22:40,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:22:40,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:22:40,880 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:22:40,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 16:22:40,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 16:22:40,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:22:40,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:22:40,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:22:40,986 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:22:40,987 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:22:40,987 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:22:40,987 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:22:40,987 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:22:40,987 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:40,987 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:22:40,987 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:22:40,988 INFO L132 ssoRankerPreferences]: Filename of dumped script: misc-2.wvr.bpl_petrified1_Iteration1_Loop [2025-04-26 16:22:40,988 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:22:40,988 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:22:40,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:22:41,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:22:41,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:22:41,063 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:22:41,063 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:22:41,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:22:41,067 INFO L229 MonitoredProcess]: Starting monitored process 2 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 16:22:41,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-04-26 16:22:41,070 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:22:41,070 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:22:41,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-04-26 16:22:41,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:22:41,093 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 16:22:41,095 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 16:22:41,096 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:22:41,096 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:22:41,123 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:22:41,123 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {pos=0} Honda state: {pos=0} Generalized eigenvectors: [{pos=-3}, {pos=2}, {pos=2}] Lambdas: [1, 0, 1] Nus: [0, 1] [2025-04-26 16:22:41,128 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 16:22:41,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:22:41,130 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 16:22:41,131 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 16:22:41,131 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:22:41,131 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:22:41,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-04-26 16:22:41,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:22:41,151 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 16:22:41,152 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 16:22:41,155 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:22:41,155 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:22:41,225 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:22:41,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-04-26 16:22:41,230 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:22:41,230 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:22:41,230 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:22:41,230 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:22:41,230 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:22:41,230 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,230 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:22:41,230 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:22:41,230 INFO L132 ssoRankerPreferences]: Filename of dumped script: misc-2.wvr.bpl_petrified1_Iteration1_Loop [2025-04-26 16:22:41,230 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:22:41,230 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:22:41,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:22:41,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:22:41,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:22:41,281 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:22:41,283 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:22:41,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:22:41,286 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 16:22:41,287 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 16:22:41,287 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 16:22:41,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:22:41,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:22:41,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:22:41,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:22:41,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:22:41,303 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:22:41,303 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:22:41,307 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:22:41,313 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 16:22:41,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:22:41,317 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 16:22:41,317 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 16:22:41,318 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 16:22:41,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:22:41,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:22:41,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:22:41,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:22:41,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:22:41,330 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:22:41,330 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:22:41,331 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:22:41,334 INFO L436 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-04-26 16:22:41,335 INFO L437 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-04-26 16:22:41,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:22:41,337 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 16:22:41,339 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 16:22:41,340 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:22:41,343 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 16:22:41,343 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-04-26 16:22:41,344 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:22:41,344 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1, N) = -1*i1 + 2*N Supporting invariants [] [2025-04-26 16:22:41,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-04-26 16:22:41,353 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:22:41,396 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:22:41,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:22:41,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:22:41,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:22:41,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:22:41,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:22:41,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:22:41,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:22:41,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:22:41,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:22:41,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:22:41,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:22:41,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:22:41,454 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 16:22:41,493 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 16:22:41,508 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 86 states, but on-demand construction may add more states Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (in total 7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:22:41,585 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 86 states, but on-demand construction may add more states. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (in total 7), 3 states have internal predecessors, (7), 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 202 states and 480 transitions. Complement of second has 7 states. [2025-04-26 16:22:41,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 16:22:41,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (in total 7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:22:41,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2025-04-26 16:22:41,592 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 2 letters. Loop has 5 letters. [2025-04-26 16:22:41,593 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:22:41,593 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 7 letters. Loop has 5 letters. [2025-04-26 16:22:41,593 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:22:41,593 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 2 letters. Loop has 10 letters. [2025-04-26 16:22:41,593 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:22:41,594 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 480 transitions. [2025-04-26 16:22:41,598 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 54 [2025-04-26 16:22:41,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 130 states and 320 transitions. [2025-04-26 16:22:41,602 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 62 [2025-04-26 16:22:41,602 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 82 [2025-04-26 16:22:41,603 INFO L74 IsDeterministic]: Start isDeterministic. Operand 130 states and 320 transitions. [2025-04-26 16:22:41,603 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:22:41,603 INFO L218 hiAutomatonCegarLoop]: Abstraction has 130 states and 320 transitions. [2025-04-26 16:22:41,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states and 320 transitions. [2025-04-26 16:22:41,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 112. [2025-04-26 16:22:41,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 112 states have (on average 2.4017857142857144) internal successors, (in total 269), 111 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:22:41,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 269 transitions. [2025-04-26 16:22:41,623 INFO L240 hiAutomatonCegarLoop]: Abstraction has 112 states and 269 transitions. [2025-04-26 16:22:41,623 INFO L438 stractBuchiCegarLoop]: Abstraction has 112 states and 269 transitions. [2025-04-26 16:22:41,623 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 16:22:41,623 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states and 269 transitions. [2025-04-26 16:22:41,624 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 54 [2025-04-26 16:22:41,625 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:22:41,625 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:22:41,625 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:22:41,625 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-04-26 16:22:41,625 INFO L752 eck$LassoCheckResult]: Stem: "[65] $Ultimate##0-->L54: Formula: (and (= v_i2_5 v_pos_9) (= v_i1_5 v_pos_9) (= v_pos_9 0)) InVars {i1=v_i1_5, pos=v_pos_9, i2=v_i2_5} OutVars{i1=v_i1_5, pos=v_pos_9, i2=v_i2_5} AuxVars[] AssignedVars[]" "[88] L54-->L19: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[91] L54-1-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" [2025-04-26 16:22:41,625 INFO L754 eck$LassoCheckResult]: Loop: "[78] L36-->L37: Formula: (< v_i2_1 (* 2 v_N_3)) InVars {i2=v_i2_1, N=v_N_3} OutVars{i2=v_i2_1, N=v_N_3} AuxVars[] AssignedVars[]" "[81] L37-->L42: Formula: (not v_d2_2) InVars {d2=v_d2_2} OutVars{d2=v_d2_2} AuxVars[] AssignedVars[]" "[83] L42-->L37-2: Formula: (= v_pos_8 (+ 2 v_pos_7)) InVars {pos=v_pos_8} OutVars{pos=v_pos_7} AuxVars[] AssignedVars[pos]" "[84] L37-2-->L46: Formula: (or (and v_d2_3 (not v_d2_4)) (and v_d2_4 (not v_d2_3))) InVars {d2=v_d2_4} OutVars{d2=v_d2_3} AuxVars[] AssignedVars[d2]" "[85] L46-->L36: Formula: (= v_i2_2 (+ v_i2_3 1)) InVars {i2=v_i2_3} OutVars{i2=v_i2_2} AuxVars[] AssignedVars[i2]" [2025-04-26 16:22:41,626 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:22:41,626 INFO L85 PathProgramCache]: Analyzing trace with hash 95075, now seen corresponding path program 1 times [2025-04-26 16:22:41,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:22:41,626 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318944233] [2025-04-26 16:22:41,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:22:41,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:22:41,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:22:41,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:22:41,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:22:41,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:22:41,629 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:22:41,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:22:41,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:22:41,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:22:41,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:22:41,632 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:22:41,632 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:22:41,632 INFO L85 PathProgramCache]: Analyzing trace with hash 103159312, now seen corresponding path program 1 times [2025-04-26 16:22:41,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:22:41,632 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799874833] [2025-04-26 16:22:41,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:22:41,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:22:41,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:22:41,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:22:41,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:22:41,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:22:41,635 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:22:41,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:22:41,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:22:41,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:22:41,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:22:41,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:22:41,638 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:22:41,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1018204178, now seen corresponding path program 1 times [2025-04-26 16:22:41,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:22:41,639 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463550468] [2025-04-26 16:22:41,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:22:41,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:22:41,640 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 16:22:41,643 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 16:22:41,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:22:41,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:22:41,643 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:22:41,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 16:22:41,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 16:22:41,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:22:41,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:22:41,647 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:22:41,682 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:22:41,683 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:22:41,683 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:22:41,683 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:22:41,683 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:22:41,683 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,683 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:22:41,683 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:22:41,683 INFO L132 ssoRankerPreferences]: Filename of dumped script: misc-2.wvr.bpl_petrified1_Iteration2_Loop [2025-04-26 16:22:41,683 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:22:41,683 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:22:41,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:22:41,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:22:41,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:22:41,718 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:22:41,718 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:22:41,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:22:41,721 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 16:22:41,722 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 16:22:41,723 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:22:41,723 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:22:41,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-04-26 16:22:41,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:22:41,742 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 16:22:41,743 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 16:22:41,745 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:22:41,745 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:22:41,768 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:22:41,768 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {pos=0} Honda state: {pos=0} Generalized eigenvectors: [{pos=1}, {pos=3}, {pos=-6}] Lambdas: [1, 1, 1] Nus: [0, 0] [2025-04-26 16:22:41,773 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 16:22:41,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:22:41,775 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 16:22:41,776 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 16:22:41,777 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:22:41,777 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:22:41,793 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 16:22:41,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:22:41,795 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 16:22:41,795 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 16:22:41,796 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:22:41,796 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:22:41,871 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:22:41,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-04-26 16:22:41,876 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:22:41,876 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:22:41,876 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:22:41,876 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:22:41,876 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:22:41,876 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,876 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:22:41,876 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:22:41,876 INFO L132 ssoRankerPreferences]: Filename of dumped script: misc-2.wvr.bpl_petrified1_Iteration2_Loop [2025-04-26 16:22:41,876 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:22:41,876 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:22:41,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:22:41,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:22:41,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:22:41,912 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:22:41,913 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:22:41,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:22:41,914 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 16:22:41,916 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 16:22:41,917 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 16:22:41,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:22:41,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:22:41,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:22:41,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:22:41,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:22:41,928 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:22:41,928 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:22:41,930 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:22:41,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-04-26 16:22:41,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:22:41,937 INFO L229 MonitoredProcess]: Starting monitored process 14 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 16:22:41,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-04-26 16:22:41,942 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 16:22:41,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:22:41,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:22:41,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:22:41,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:22:41,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:22:41,952 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:22:41,952 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:22:41,954 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:22:41,956 INFO L436 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-04-26 16:22:41,956 INFO L437 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 16:22:41,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:41,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:22:41,958 INFO L229 MonitoredProcess]: Starting monitored process 15 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 16:22:41,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-04-26 16:22:41,962 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:22:41,964 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Exception during sending of exit command (exit): Broken pipe [2025-04-26 16:22:41,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-04-26 16:22:41,966 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-04-26 16:22:41,966 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:22:41,966 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(i2, N) = -1*i2 + 2*N Supporting invariants [] [2025-04-26 16:22:41,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-04-26 16:22:41,975 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:22:41,989 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:22:41,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:22:41,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:22:41,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:22:41,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:22:41,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:22:41,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:22:42,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:22:42,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:22:42,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:22:42,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:22:42,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:22:42,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:22:42,034 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 16:22:42,035 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 16:22:42,035 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 112 states and 269 transitions. cyclomatic complexity: 168 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 16:22:42,079 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 112 states and 269 transitions. cyclomatic complexity: 168. 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 261 states and 661 transitions. Complement of second has 6 states. [2025-04-26 16:22:42,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 16:22:42,081 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 16:22:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 50 transitions. [2025-04-26 16:22:42,082 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 50 transitions. Stem has 3 letters. Loop has 5 letters. [2025-04-26 16:22:42,082 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:22:42,082 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 50 transitions. Stem has 8 letters. Loop has 5 letters. [2025-04-26 16:22:42,082 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:22:42,082 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 50 transitions. Stem has 3 letters. Loop has 10 letters. [2025-04-26 16:22:42,082 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:22:42,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 261 states and 661 transitions. [2025-04-26 16:22:42,085 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:22:42,086 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 261 states to 0 states and 0 transitions. [2025-04-26 16:22:42,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 16:22:42,086 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 16:22:42,086 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 16:22:42,086 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 16:22:42,086 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:22:42,086 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:22:42,086 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:22:42,086 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 16:22:42,086 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 16:22:42,086 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:22:42,086 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 16:22:42,091 INFO L201 PluginConnector]: Adding new model misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 04:22:42 BoogieIcfgContainer [2025-04-26 16:22:42,091 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 16:22:42,091 INFO L158 Benchmark]: Toolchain (without parser) took 1741.44ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 86.3MB in the beginning and 72.4MB in the end (delta: 13.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2025-04-26 16:22:42,091 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.31ms. Allocated memory is still 159.4MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:22:42,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.13ms. Allocated memory is still 159.4MB. Free memory was 86.3MB in the beginning and 84.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:22:42,092 INFO L158 Benchmark]: Boogie Preprocessor took 22.71ms. Allocated memory is still 159.4MB. Free memory was 84.4MB in the beginning and 83.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:22:42,092 INFO L158 Benchmark]: RCFGBuilder took 175.02ms. Allocated memory is still 159.4MB. Free memory was 83.4MB in the beginning and 73.6MB in the end (delta: 9.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-26 16:22:42,092 INFO L158 Benchmark]: BuchiAutomizer took 1504.27ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 73.4MB in the beginning and 72.4MB in the end (delta: 1.0MB). Peak memory consumption was 969.5kB. Max. memory is 8.0GB. [2025-04-26 16:22:42,096 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 0.31ms. Allocated memory is still 159.4MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.13ms. Allocated memory is still 159.4MB. Free memory was 86.3MB in the beginning and 84.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 22.71ms. Allocated memory is still 159.4MB. Free memory was 84.4MB in the beginning and 83.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 175.02ms. Allocated memory is still 159.4MB. Free memory was 83.4MB in the beginning and 73.6MB in the end (delta: 9.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 1504.27ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 73.4MB in the beginning and 72.4MB in the end (delta: 1.0MB). Peak memory consumption was 969.5kB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 18 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, 76 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 110 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 52 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq142 hnf94 smp100 dnf100 smp100 tf110 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s InitialAbstraction: - 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 2 * N + -1 * i1 and consists of 5 locations. One deterministic module has affine ranking function -1 * i2 + 2 * N and consists of 4 locations. - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-04-26 16:22:42,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...