/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/popl20/mult-equiv.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 16:23:43,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:23:43,347 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-04-26 16:23:43,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:23:43,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:23:43,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:23:43,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:23:43,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:23:43,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:23:43,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:23:43,370 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:23:43,370 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:23:43,370 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:23:43,370 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:23:43,370 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:23:43,371 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:23:43,371 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:23:43,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:23:43,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:23:43,371 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:23:43,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:23:43,371 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:23:43,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:23:43,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:23:43,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:23:43,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:23:43,371 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-26 16:23:43,371 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:23:43,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:23:43,372 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:23:43,372 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:23:43,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:23:43,372 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:23:43,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:23:43,373 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:23:43,373 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:23:43,373 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:23:43,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:23:43,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:23:43,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:23:43,611 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 16:23:43,612 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 16:23:43,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-equiv.wvr.bpl [2025-04-26 16:23:43,614 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-equiv.wvr.bpl' [2025-04-26 16:23:43,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:23:43,635 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 16:23:43,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:23:43,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:23:43,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:23:43,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:43" (1/1) ... [2025-04-26 16:23:43,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:43" (1/1) ... [2025-04-26 16:23:43,669 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 16:23:43,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:23:43,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:23:43,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:23:43,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:23:43,677 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:43" (1/1) ... [2025-04-26 16:23:43,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:43" (1/1) ... [2025-04-26 16:23:43,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:43" (1/1) ... [2025-04-26 16:23:43,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:43" (1/1) ... [2025-04-26 16:23:43,682 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:43" (1/1) ... [2025-04-26 16:23:43,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:43" (1/1) ... [2025-04-26 16:23:43,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:43" (1/1) ... [2025-04-26 16:23:43,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:43" (1/1) ... [2025-04-26 16:23:43,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:43" (1/1) ... [2025-04-26 16:23:43,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:23:43,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:23:43,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:23:43,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:23:43,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:43" (1/1) ... [2025-04-26 16:23:43,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:43,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:43,729 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 16:23:43,731 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 16:23:43,753 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-26 16:23:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-26 16:23:43,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-26 16:23:43,753 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-26 16:23:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-26 16:23:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-26 16:23:43,754 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 16:23:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:23:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:23:43,754 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-26 16:23:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-26 16:23:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-26 16:23:43,755 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 16:23:43,792 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:23:43,794 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:23:43,886 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:23:43,886 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:23:43,908 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:23:43,910 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 16:23:43,910 INFO L201 PluginConnector]: Adding new model mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:23:43 BoogieIcfgContainer [2025-04-26 16:23:43,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:23:43,912 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:23:43,912 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:23:43,917 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:23:43,917 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:23:43,918 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:23:43" (1/2) ... [2025-04-26 16:23:43,919 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6917ba20 and model type mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:23:43, skipping insertion in model container [2025-04-26 16:23:43,920 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:23:43,920 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:23:43" (2/2) ... [2025-04-26 16:23:43,921 INFO L376 chiAutomizerObserver]: Analyzing ICFG mult-equiv.wvr.bpl [2025-04-26 16:23:43,961 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-26 16:23:43,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 29 transitions, 79 flow [2025-04-26 16:23:44,018 INFO L116 PetriNetUnfolderBase]: 3/23 cut-off events. [2025-04-26 16:23:44,020 INFO L117 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-04-26 16:23:44,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 23 events. 3/23 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 26 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2025-04-26 16:23:44,024 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 29 transitions, 79 flow [2025-04-26 16:23:44,027 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 23 transitions, 64 flow [2025-04-26 16:23:44,028 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 30 places, 23 transitions, 64 flow [2025-04-26 16:23:44,036 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 16:23:44,036 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 16:23:44,036 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 16:23:44,037 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 16:23:44,037 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 16:23:44,037 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 16:23:44,037 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 16:23:44,037 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 16:23:44,038 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2025-04-26 16:23:44,083 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 84 [2025-04-26 16:23:44,083 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:23:44,083 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:23:44,086 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-04-26 16:23:44,086 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 16:23:44,086 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 16:23:44,086 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 110 states, but on-demand construction may add more states [2025-04-26 16:23:44,092 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 84 [2025-04-26 16:23:44,093 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:23:44,093 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:23:44,093 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-04-26 16:23:44,093 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 16:23:44,098 INFO L752 eck$LassoCheckResult]: Stem: "[53] $Ultimate##0-->L52: Formula: (and (= v_p_5 0) (= v_N_11 v_L_1) (= v_q_1 v_p_5)) InVars {q=v_q_1, p=v_p_5, N=v_N_11, L=v_L_1} OutVars{q=v_q_1, p=v_p_5, N=v_N_11, L=v_L_1} AuxVars[] AssignedVars[]" "[75] L52-->L19-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" [2025-04-26 16:23:44,099 INFO L754 eck$LassoCheckResult]: Loop: "[62] L19-1-->L19: Formula: (< 0 v_N_1) InVars {N=v_N_1} OutVars{N=v_N_1} AuxVars[] AssignedVars[]" "[64] L19-->L19-1: Formula: (let ((.cse0 (< 0 v_N_13))) (and (= (ite .cse0 (+ v_M_4 v_p_8) v_p_8) v_p_7) (= (ite .cse0 (+ (- 1) v_N_13) v_N_13) v_N_12))) InVars {M=v_M_4, p=v_p_8, N=v_N_13} OutVars{M=v_M_4, p=v_p_7, N=v_N_12} AuxVars[] AssignedVars[p, N]" [2025-04-26 16:23:44,102 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:44,103 INFO L85 PathProgramCache]: Analyzing trace with hash 2679, now seen corresponding path program 1 times [2025-04-26 16:23:44,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:44,108 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490381550] [2025-04-26 16:23:44,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:44,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:44,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:44,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:44,154 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:44,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:44,154 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:44,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:44,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:44,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:44,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:44,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:44,174 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:44,174 INFO L85 PathProgramCache]: Analyzing trace with hash 2947, now seen corresponding path program 1 times [2025-04-26 16:23:44,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:44,174 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373976509] [2025-04-26 16:23:44,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:44,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:44,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:44,182 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:44,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:44,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:44,183 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:44,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:44,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:44,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:44,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:44,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:44,192 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:44,192 INFO L85 PathProgramCache]: Analyzing trace with hash 2576505, now seen corresponding path program 1 times [2025-04-26 16:23:44,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:44,193 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062283847] [2025-04-26 16:23:44,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:44,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:44,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:23:44,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:23:44,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:44,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:44,201 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:44,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:23:44,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:23:44,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:44,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:44,208 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:44,267 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:23:44,267 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:23:44,268 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:23:44,268 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:23:44,268 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:23:44,268 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:44,268 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:23:44,268 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:23:44,268 INFO L132 ssoRankerPreferences]: Filename of dumped script: mult-equiv.wvr.bpl_petrified1_Iteration1_Loop [2025-04-26 16:23:44,268 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:23:44,268 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:23:44,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:44,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:44,326 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:23:44,326 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:23:44,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:44,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:44,330 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 16:23:44,331 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 16:23:44,333 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:23:44,333 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:23:44,349 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:23:44,349 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {M=0, p=0} Honda state: {M=0, p=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:23:44,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2025-04-26 16:23:44,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:44,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:44,359 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 16:23:44,361 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 16:23:44,363 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:23:44,363 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:23:44,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-04-26 16:23:44,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:44,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:44,382 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 16:23:44,383 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 16:23:44,385 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:23:44,399 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:23:44,426 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:23:44,430 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 16:23:44,431 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:23:44,431 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:23:44,431 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:23:44,431 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:23:44,431 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:23:44,431 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:44,431 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:23:44,431 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:23:44,431 INFO L132 ssoRankerPreferences]: Filename of dumped script: mult-equiv.wvr.bpl_petrified1_Iteration1_Loop [2025-04-26 16:23:44,431 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:23:44,431 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:23:44,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:44,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:44,471 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:23:44,497 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:23:44,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:44,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:44,502 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 16:23:44,503 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 16:23:44,504 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 16:23:44,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:23:44,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:23:44,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:23:44,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:23:44,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:23:44,523 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:23:44,523 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:23:44,526 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:23:44,532 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 16:23:44,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:44,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:44,535 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 16:23:44,536 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 16:23:44,538 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 16:23:44,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:23:44,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:23:44,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:23:44,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:23:44,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:23:44,554 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:23:44,554 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:23:44,557 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:23:44,559 INFO L436 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-04-26 16:23:44,560 INFO L437 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 16:23:44,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:44,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:44,565 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 16:23:44,566 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 16:23:44,568 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:23:44,571 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 16:23:44,572 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-04-26 16:23:44,572 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:23:44,572 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(N) = 1*N Supporting invariants [] [2025-04-26 16:23:44,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-04-26 16:23:44,581 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:23:44,611 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:44,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:44,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:44,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:44,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:23:44,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:23:44,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:23:44,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:44,643 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:44,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:44,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:23:44,643 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:23:44,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:23:44,663 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 16:23:44,697 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 16:23:44,704 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 110 states, but on-demand construction may add more states 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 16:23:44,826 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 110 states, but on-demand construction may add more states. 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 430 states and 1302 transitions. Complement of second has 7 states. [2025-04-26 16:23:44,828 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 16:23:44,831 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 16:23:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 66 transitions. [2025-04-26 16:23:44,835 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 66 transitions. Stem has 2 letters. Loop has 2 letters. [2025-04-26 16:23:44,836 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:44,836 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 66 transitions. Stem has 4 letters. Loop has 2 letters. [2025-04-26 16:23:44,836 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:44,836 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 66 transitions. Stem has 2 letters. Loop has 4 letters. [2025-04-26 16:23:44,836 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:44,837 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 430 states and 1302 transitions. [2025-04-26 16:23:44,847 INFO L131 ngComponentsAnalysis]: Automaton has 32 accepting balls. 87 [2025-04-26 16:23:44,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 430 states to 229 states and 720 transitions. [2025-04-26 16:23:44,855 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 110 [2025-04-26 16:23:44,856 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 164 [2025-04-26 16:23:44,858 INFO L74 IsDeterministic]: Start isDeterministic. Operand 229 states and 720 transitions. [2025-04-26 16:23:44,859 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:23:44,859 INFO L218 hiAutomatonCegarLoop]: Abstraction has 229 states and 720 transitions. [2025-04-26 16:23:44,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states and 720 transitions. [2025-04-26 16:23:44,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 160. [2025-04-26 16:23:44,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 160 states have (on average 3.24375) internal successors, (in total 519), 159 states have internal predecessors, (519), 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 16:23:44,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 519 transitions. [2025-04-26 16:23:44,887 INFO L240 hiAutomatonCegarLoop]: Abstraction has 160 states and 519 transitions. [2025-04-26 16:23:44,887 INFO L438 stractBuchiCegarLoop]: Abstraction has 160 states and 519 transitions. [2025-04-26 16:23:44,887 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 16:23:44,887 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 519 transitions. [2025-04-26 16:23:44,889 INFO L131 ngComponentsAnalysis]: Automaton has 29 accepting balls. 81 [2025-04-26 16:23:44,889 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:23:44,889 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:23:44,889 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:23:44,889 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 16:23:44,889 INFO L752 eck$LassoCheckResult]: Stem: "[53] $Ultimate##0-->L52: Formula: (and (= v_p_5 0) (= v_N_11 v_L_1) (= v_q_1 v_p_5)) InVars {q=v_q_1, p=v_p_5, N=v_N_11, L=v_L_1} OutVars{q=v_q_1, p=v_p_5, N=v_N_11, L=v_L_1} AuxVars[] AssignedVars[]" "[75] L52-->L19-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[78] L52-1-->L30-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" [2025-04-26 16:23:44,889 INFO L754 eck$LassoCheckResult]: Loop: "[66] L30-1-->L30: Formula: (< 1 v_N_6) InVars {N=v_N_6} OutVars{N=v_N_6} AuxVars[] AssignedVars[]" "[68] L30-->L30-1: Formula: (let ((.cse0 (< 1 v_N_17))) (and (= v_N_16 (ite .cse0 (+ (- 2) v_N_17) v_N_17)) (= v_p_11 (ite .cse0 (+ v_p_12 (* 2 v_M_6)) v_p_12)))) InVars {M=v_M_6, p=v_p_12, N=v_N_17} OutVars{M=v_M_6, p=v_p_11, N=v_N_16} AuxVars[] AssignedVars[p, N]" [2025-04-26 16:23:44,890 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:44,890 INFO L85 PathProgramCache]: Analyzing trace with hash 83127, now seen corresponding path program 1 times [2025-04-26 16:23:44,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:44,890 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154474727] [2025-04-26 16:23:44,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:44,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:44,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:23:44,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:23:44,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:44,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:44,897 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:44,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:23:44,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:23:44,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:44,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:44,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:44,901 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:44,901 INFO L85 PathProgramCache]: Analyzing trace with hash 3075, now seen corresponding path program 1 times [2025-04-26 16:23:44,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:44,901 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988175544] [2025-04-26 16:23:44,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:44,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:44,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:44,907 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:44,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:44,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:44,907 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:44,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:44,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:44,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:44,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:44,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:44,916 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:44,916 INFO L85 PathProgramCache]: Analyzing trace with hash 79887161, now seen corresponding path program 1 times [2025-04-26 16:23:44,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:44,916 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270590114] [2025-04-26 16:23:44,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:44,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:44,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:23:44,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:23:44,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:44,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:44,928 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:44,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:23:44,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:23:44,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:44,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:44,935 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:44,962 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:23:44,962 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:23:44,962 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:23:44,962 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:23:44,962 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:23:44,962 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:44,962 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:23:44,962 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:23:44,962 INFO L132 ssoRankerPreferences]: Filename of dumped script: mult-equiv.wvr.bpl_petrified1_Iteration2_Loop [2025-04-26 16:23:44,962 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:23:44,962 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:23:44,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:44,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:44,996 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:23:44,996 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:23:44,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:44,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:44,999 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 16:23:45,000 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 16:23:45,002 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:23:45,002 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:23:45,014 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:23:45,014 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {M=0, p=0} Honda state: {M=0, p=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:23:45,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-04-26 16:23:45,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:45,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:45,022 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 16:23:45,023 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 16:23:45,025 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:23:45,026 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:23:45,043 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 16:23:45,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:45,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:45,046 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 16:23:45,047 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 16:23:45,050 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:23:45,050 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:23:45,073 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:23:45,078 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 16:23:45,078 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:23:45,078 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:23:45,078 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:23:45,078 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:23:45,078 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:23:45,078 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:45,078 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:23:45,078 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:23:45,078 INFO L132 ssoRankerPreferences]: Filename of dumped script: mult-equiv.wvr.bpl_petrified1_Iteration2_Loop [2025-04-26 16:23:45,078 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:23:45,078 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:23:45,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:45,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:45,108 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:23:45,108 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:23:45,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:45,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:45,110 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 16:23:45,112 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 16:23:45,114 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 16:23:45,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:23:45,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:23:45,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:23:45,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:23:45,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:23:45,125 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:23:45,125 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:23:45,126 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:23:45,132 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 16:23:45,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:45,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:45,134 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 16:23:45,135 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 16:23:45,136 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 16:23:45,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:23:45,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:23:45,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:23:45,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:23:45,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:23:45,147 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:23:45,147 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:23:45,149 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:23:45,151 INFO L436 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-04-26 16:23:45,151 INFO L437 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 16:23:45,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:45,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:45,153 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 16:23:45,154 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 16:23:45,155 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:23:45,158 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Exception during sending of exit command (exit): Broken pipe [2025-04-26 16:23:45,158 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 16:23:45,158 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-04-26 16:23:45,158 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:23:45,158 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(N) = 1*N Supporting invariants [] [2025-04-26 16:23:45,164 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 16:23:45,164 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:23:45,176 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:45,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:23:45,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:23:45,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:45,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:23:45,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:23:45,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:23:45,194 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:45,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:45,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:45,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:23:45,197 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:23:45,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:23:45,210 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 16:23:45,211 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 16:23:45,211 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 160 states and 519 transitions. cyclomatic complexity: 399 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (in total 5), 3 states have internal predecessors, (5), 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 16:23:45,276 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 160 states and 519 transitions. cyclomatic complexity: 399. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (in total 5), 3 states have internal predecessors, (5), 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 529 states and 1808 transitions. Complement of second has 6 states. [2025-04-26 16:23:45,276 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 16:23:45,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (in total 5), 3 states have internal predecessors, (5), 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 16:23:45,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 45 transitions. [2025-04-26 16:23:45,277 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 45 transitions. Stem has 3 letters. Loop has 2 letters. [2025-04-26 16:23:45,277 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:45,277 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 45 transitions. Stem has 5 letters. Loop has 2 letters. [2025-04-26 16:23:45,277 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:45,277 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 45 transitions. Stem has 3 letters. Loop has 4 letters. [2025-04-26 16:23:45,277 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:45,277 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 529 states and 1808 transitions. [2025-04-26 16:23:45,283 INFO L131 ngComponentsAnalysis]: Automaton has 29 accepting balls. 58 [2025-04-26 16:23:45,286 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 529 states to 293 states and 1001 transitions. [2025-04-26 16:23:45,286 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 110 [2025-04-26 16:23:45,287 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 155 [2025-04-26 16:23:45,287 INFO L74 IsDeterministic]: Start isDeterministic. Operand 293 states and 1001 transitions. [2025-04-26 16:23:45,287 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:23:45,287 INFO L218 hiAutomatonCegarLoop]: Abstraction has 293 states and 1001 transitions. [2025-04-26 16:23:45,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states and 1001 transitions. [2025-04-26 16:23:45,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 248. [2025-04-26 16:23:45,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 248 states have (on average 3.524193548387097) internal successors, (in total 874), 247 states have internal predecessors, (874), 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 16:23:45,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 874 transitions. [2025-04-26 16:23:45,300 INFO L240 hiAutomatonCegarLoop]: Abstraction has 248 states and 874 transitions. [2025-04-26 16:23:45,300 INFO L438 stractBuchiCegarLoop]: Abstraction has 248 states and 874 transitions. [2025-04-26 16:23:45,300 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 16:23:45,300 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 248 states and 874 transitions. [2025-04-26 16:23:45,302 INFO L131 ngComponentsAnalysis]: Automaton has 29 accepting balls. 58 [2025-04-26 16:23:45,302 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:23:45,302 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:23:45,302 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-04-26 16:23:45,302 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 16:23:45,303 INFO L752 eck$LassoCheckResult]: Stem: "[53] $Ultimate##0-->L52: Formula: (and (= v_p_5 0) (= v_N_11 v_L_1) (= v_q_1 v_p_5)) InVars {q=v_q_1, p=v_p_5, N=v_N_11, L=v_L_1} OutVars{q=v_q_1, p=v_p_5, N=v_N_11, L=v_L_1} AuxVars[] AssignedVars[]" "[75] L52-->L19-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[78] L52-1-->L30-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[81] L53-->L41-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0]" [2025-04-26 16:23:45,303 INFO L754 eck$LassoCheckResult]: Loop: "[70] L41-1-->L41: Formula: (< 0 v_L_3) InVars {L=v_L_3} OutVars{L=v_L_3} AuxVars[] AssignedVars[]" "[72] L41-->L41-1: Formula: (and (= (+ v_M_8 v_q_6) v_q_5) (= (+ v_L_6 1) v_L_7)) InVars {q=v_q_6, M=v_M_8, L=v_L_7} OutVars{q=v_q_5, M=v_M_8, L=v_L_6} AuxVars[] AssignedVars[q, L]" [2025-04-26 16:23:45,303 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:45,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2577018, now seen corresponding path program 1 times [2025-04-26 16:23:45,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:45,303 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091523697] [2025-04-26 16:23:45,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:45,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:45,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:23:45,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:23:45,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:45,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:45,307 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:45,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:23:45,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:23:45,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:45,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:45,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:45,310 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:45,310 INFO L85 PathProgramCache]: Analyzing trace with hash 3203, now seen corresponding path program 1 times [2025-04-26 16:23:45,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:45,310 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883386506] [2025-04-26 16:23:45,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:45,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:45,311 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:45,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:45,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:45,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:45,312 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:45,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:45,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:45,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:45,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:45,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:45,314 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:45,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1818450756, now seen corresponding path program 1 times [2025-04-26 16:23:45,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:23:45,314 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450787274] [2025-04-26 16:23:45,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:23:45,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:23:45,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:23:45,319 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:23:45,319 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:45,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:45,319 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:23:45,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:23:45,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:23:45,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:45,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:23:45,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:23:45,351 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:23:45,351 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:23:45,351 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:23:45,351 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:23:45,351 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:23:45,351 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:45,351 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:23:45,352 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:23:45,352 INFO L132 ssoRankerPreferences]: Filename of dumped script: mult-equiv.wvr.bpl_petrified1_Iteration3_Loop [2025-04-26 16:23:45,352 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:23:45,352 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:23:45,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:45,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:45,375 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:23:45,375 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:23:45,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:45,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:45,378 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 16:23:45,379 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 16:23:45,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:23:45,380 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:23:45,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-04-26 16:23:45,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:45,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:45,398 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 16:23:45,400 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 16:23:45,401 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:23:45,401 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:23:45,422 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:23:45,426 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 16:23:45,426 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:23:45,426 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:23:45,426 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:23:45,426 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:23:45,426 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:23:45,427 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:45,427 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:23:45,427 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:23:45,427 INFO L132 ssoRankerPreferences]: Filename of dumped script: mult-equiv.wvr.bpl_petrified1_Iteration3_Loop [2025-04-26 16:23:45,427 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:23:45,427 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:23:45,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:45,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:23:45,454 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:23:45,455 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:23:45,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:45,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:45,456 INFO L229 MonitoredProcess]: Starting monitored process 16 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 16:23:45,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-04-26 16:23:45,459 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 16:23:45,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:23:45,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 16:23:45,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:23:45,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:23:45,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:23:45,470 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 16:23:45,470 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 16:23:45,471 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:23:45,473 INFO L436 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-04-26 16:23:45,473 INFO L437 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 16:23:45,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:23:45,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:23:45,475 INFO L229 MonitoredProcess]: Starting monitored process 17 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 16:23:45,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-04-26 16:23:45,478 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:23:45,482 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Exception during sending of exit command (exit): Broken pipe [2025-04-26 16:23:45,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-04-26 16:23:45,483 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-04-26 16:23:45,483 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:23:45,484 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(L) = 1*L Supporting invariants [] [2025-04-26 16:23:45,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-04-26 16:23:45,490 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 16:23:45,500 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:23:45,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:23:45,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:23:45,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:45,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:23:45,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 16:23:45,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:23:45,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 16:23:45,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 16:23:45,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:23:45,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:23:45,519 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:23:45,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:23:45,530 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 16:23:45,530 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 16:23:45,530 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 248 states and 874 transitions. cyclomatic complexity: 681 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (in total 6), 3 states have internal predecessors, (6), 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 16:23:45,591 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 248 states and 874 transitions. cyclomatic complexity: 681. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (in total 6), 3 states have internal predecessors, (6), 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 682 states and 2369 transitions. Complement of second has 6 states. [2025-04-26 16:23:45,591 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 16:23:45,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (in total 6), 3 states have internal predecessors, (6), 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 16:23:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 45 transitions. [2025-04-26 16:23:45,592 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 45 transitions. Stem has 4 letters. Loop has 2 letters. [2025-04-26 16:23:45,592 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:45,592 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 45 transitions. Stem has 6 letters. Loop has 2 letters. [2025-04-26 16:23:45,592 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:45,592 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 45 transitions. Stem has 4 letters. Loop has 4 letters. [2025-04-26 16:23:45,592 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:23:45,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 682 states and 2369 transitions. [2025-04-26 16:23:45,599 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:23:45,599 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 682 states to 0 states and 0 transitions. [2025-04-26 16:23:45,599 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 16:23:45,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 16:23:45,599 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 16:23:45,599 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 16:23:45,599 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:23:45,599 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:23:45,599 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:23:45,599 INFO L340 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-04-26 16:23:45,599 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 16:23:45,599 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:23:45,599 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 16:23:45,604 INFO L201 PluginConnector]: Adding new model mult-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 04:23:45 BoogieIcfgContainer [2025-04-26 16:23:45,604 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 16:23:45,605 INFO L158 Benchmark]: Toolchain (without parser) took 1969.76ms. Allocated memory is still 125.8MB. Free memory was 62.1MB in the beginning and 82.5MB in the end (delta: -20.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:23:45,605 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.72ms. Allocated memory is still 125.8MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:23:45,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.95ms. Allocated memory is still 125.8MB. Free memory was 62.1MB in the beginning and 60.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:23:45,605 INFO L158 Benchmark]: Boogie Preprocessor took 25.91ms. Allocated memory is still 125.8MB. Free memory was 60.1MB in the beginning and 59.3MB in the end (delta: 847.7kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-26 16:23:45,605 INFO L158 Benchmark]: RCFGBuilder took 209.31ms. Allocated memory is still 125.8MB. Free memory was 59.1MB in the beginning and 49.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-26 16:23:45,606 INFO L158 Benchmark]: BuchiAutomizer took 1692.28ms. Allocated memory is still 125.8MB. Free memory was 49.5MB in the beginning and 82.5MB in the end (delta: -33.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:23:45,606 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 0.72ms. Allocated memory is still 125.8MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.95ms. Allocated memory is still 125.8MB. Free memory was 62.1MB in the beginning and 60.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 25.91ms. Allocated memory is still 125.8MB. Free memory was 60.1MB in the beginning and 59.3MB in the end (delta: 847.7kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 209.31ms. Allocated memory is still 125.8MB. Free memory was 59.1MB in the beginning and 49.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 1692.28ms. Allocated memory is still 125.8MB. Free memory was 49.5MB in the beginning and 82.5MB in the end (delta: -33.0MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 114 StatesRemovedByMinimization, 2 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 96 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 45 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp64 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf95 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s InitialAbstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N and consists of 5 locations. One deterministic module has affine ranking function N and consists of 4 locations. One deterministic module has affine ranking function L 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 16:23:45,621 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...