/export/starexec/sandbox2/solver/bin/starexec_run_rcdcRelativeAlsoLower /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- WORST_CASE(Omega(n^2), ?) proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml # AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty The Derivational Complexity (innermost) of the given DCpxTrs could be proven to be BOUNDS(n^2, INF). (0) DCpxTrs (1) DerivationalComplexityToRuntimeComplexityProof [BOTH BOUNDS(ID, ID), 0 ms] (2) CpxRelTRS (3) SInnermostTerminationProof [BOTH CONCRETE BOUNDS(ID, ID), 302 ms] (4) CpxRelTRS (5) RenamingProof [BOTH BOUNDS(ID, ID), 0 ms] (6) CpxRelTRS (7) TypeInferenceProof [BOTH BOUNDS(ID, ID), 0 ms] (8) typed CpxTrs (9) OrderProof [LOWER BOUND(ID), 0 ms] (10) typed CpxTrs (11) RewriteLemmaProof [LOWER BOUND(ID), 310 ms] (12) BEST (13) proven lower bound (14) LowerBoundPropagationProof [FINISHED, 0 ms] (15) BOUNDS(n^1, INF) (16) typed CpxTrs (17) RewriteLemmaProof [LOWER BOUND(ID), 66 ms] (18) BEST (19) proven lower bound (20) LowerBoundPropagationProof [FINISHED, 0 ms] (21) BOUNDS(n^2, INF) (22) typed CpxTrs (23) RewriteLemmaProof [LOWER BOUND(ID), 84 ms] (24) typed CpxTrs (25) RewriteLemmaProof [LOWER BOUND(ID), 2218 ms] (26) BOUNDS(1, INF) ---------------------------------------- (0) Obligation: The Derivational Complexity (innermost) of the given DCpxTrs could be proven to be BOUNDS(n^2, INF). The TRS R consists of the following rules: a__p(0) -> 0 a__p(s(X)) -> mark(X) a__leq(0, Y) -> true a__leq(s(X), 0) -> false a__leq(s(X), s(Y)) -> a__leq(mark(X), mark(Y)) a__if(true, X, Y) -> mark(X) a__if(false, X, Y) -> mark(Y) a__diff(X, Y) -> a__if(a__leq(mark(X), mark(Y)), 0, s(diff(p(X), Y))) mark(p(X)) -> a__p(mark(X)) mark(leq(X1, X2)) -> a__leq(mark(X1), mark(X2)) mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) mark(diff(X1, X2)) -> a__diff(mark(X1), mark(X2)) mark(0) -> 0 mark(s(X)) -> s(mark(X)) mark(true) -> true mark(false) -> false a__p(X) -> p(X) a__leq(X1, X2) -> leq(X1, X2) a__if(X1, X2, X3) -> if(X1, X2, X3) a__diff(X1, X2) -> diff(X1, X2) S is empty. Rewrite Strategy: INNERMOST ---------------------------------------- (1) DerivationalComplexityToRuntimeComplexityProof (BOTH BOUNDS(ID, ID)) The following rules have been added to S to convert the given derivational complexity problem to a runtime complexity problem: encArg(0) -> 0 encArg(s(x_1)) -> s(encArg(x_1)) encArg(true) -> true encArg(false) -> false encArg(diff(x_1, x_2)) -> diff(encArg(x_1), encArg(x_2)) encArg(p(x_1)) -> p(encArg(x_1)) encArg(leq(x_1, x_2)) -> leq(encArg(x_1), encArg(x_2)) encArg(if(x_1, x_2, x_3)) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__p(x_1)) -> a__p(encArg(x_1)) encArg(cons_a__leq(x_1, x_2)) -> a__leq(encArg(x_1), encArg(x_2)) encArg(cons_a__if(x_1, x_2, x_3)) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__diff(x_1, x_2)) -> a__diff(encArg(x_1), encArg(x_2)) encArg(cons_mark(x_1)) -> mark(encArg(x_1)) encode_a__p(x_1) -> a__p(encArg(x_1)) encode_0 -> 0 encode_s(x_1) -> s(encArg(x_1)) encode_mark(x_1) -> mark(encArg(x_1)) encode_a__leq(x_1, x_2) -> a__leq(encArg(x_1), encArg(x_2)) encode_true -> true encode_false -> false encode_a__if(x_1, x_2, x_3) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encode_a__diff(x_1, x_2) -> a__diff(encArg(x_1), encArg(x_2)) encode_diff(x_1, x_2) -> diff(encArg(x_1), encArg(x_2)) encode_p(x_1) -> p(encArg(x_1)) encode_leq(x_1, x_2) -> leq(encArg(x_1), encArg(x_2)) encode_if(x_1, x_2, x_3) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) ---------------------------------------- (2) Obligation: The Runtime Complexity (innermost) of the given CpxRelTRS could be proven to be BOUNDS(n^2, INF). The TRS R consists of the following rules: a__p(0) -> 0 a__p(s(X)) -> mark(X) a__leq(0, Y) -> true a__leq(s(X), 0) -> false a__leq(s(X), s(Y)) -> a__leq(mark(X), mark(Y)) a__if(true, X, Y) -> mark(X) a__if(false, X, Y) -> mark(Y) a__diff(X, Y) -> a__if(a__leq(mark(X), mark(Y)), 0, s(diff(p(X), Y))) mark(p(X)) -> a__p(mark(X)) mark(leq(X1, X2)) -> a__leq(mark(X1), mark(X2)) mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) mark(diff(X1, X2)) -> a__diff(mark(X1), mark(X2)) mark(0) -> 0 mark(s(X)) -> s(mark(X)) mark(true) -> true mark(false) -> false a__p(X) -> p(X) a__leq(X1, X2) -> leq(X1, X2) a__if(X1, X2, X3) -> if(X1, X2, X3) a__diff(X1, X2) -> diff(X1, X2) The (relative) TRS S consists of the following rules: encArg(0) -> 0 encArg(s(x_1)) -> s(encArg(x_1)) encArg(true) -> true encArg(false) -> false encArg(diff(x_1, x_2)) -> diff(encArg(x_1), encArg(x_2)) encArg(p(x_1)) -> p(encArg(x_1)) encArg(leq(x_1, x_2)) -> leq(encArg(x_1), encArg(x_2)) encArg(if(x_1, x_2, x_3)) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__p(x_1)) -> a__p(encArg(x_1)) encArg(cons_a__leq(x_1, x_2)) -> a__leq(encArg(x_1), encArg(x_2)) encArg(cons_a__if(x_1, x_2, x_3)) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__diff(x_1, x_2)) -> a__diff(encArg(x_1), encArg(x_2)) encArg(cons_mark(x_1)) -> mark(encArg(x_1)) encode_a__p(x_1) -> a__p(encArg(x_1)) encode_0 -> 0 encode_s(x_1) -> s(encArg(x_1)) encode_mark(x_1) -> mark(encArg(x_1)) encode_a__leq(x_1, x_2) -> a__leq(encArg(x_1), encArg(x_2)) encode_true -> true encode_false -> false encode_a__if(x_1, x_2, x_3) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encode_a__diff(x_1, x_2) -> a__diff(encArg(x_1), encArg(x_2)) encode_diff(x_1, x_2) -> diff(encArg(x_1), encArg(x_2)) encode_p(x_1) -> p(encArg(x_1)) encode_leq(x_1, x_2) -> leq(encArg(x_1), encArg(x_2)) encode_if(x_1, x_2, x_3) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) Rewrite Strategy: INNERMOST ---------------------------------------- (3) SInnermostTerminationProof (BOTH CONCRETE BOUNDS(ID, ID)) proved innermost termination of relative rules ---------------------------------------- (4) Obligation: The Runtime Complexity (innermost) of the given CpxRelTRS could be proven to be BOUNDS(n^2, INF). The TRS R consists of the following rules: a__p(0) -> 0 a__p(s(X)) -> mark(X) a__leq(0, Y) -> true a__leq(s(X), 0) -> false a__leq(s(X), s(Y)) -> a__leq(mark(X), mark(Y)) a__if(true, X, Y) -> mark(X) a__if(false, X, Y) -> mark(Y) a__diff(X, Y) -> a__if(a__leq(mark(X), mark(Y)), 0, s(diff(p(X), Y))) mark(p(X)) -> a__p(mark(X)) mark(leq(X1, X2)) -> a__leq(mark(X1), mark(X2)) mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) mark(diff(X1, X2)) -> a__diff(mark(X1), mark(X2)) mark(0) -> 0 mark(s(X)) -> s(mark(X)) mark(true) -> true mark(false) -> false a__p(X) -> p(X) a__leq(X1, X2) -> leq(X1, X2) a__if(X1, X2, X3) -> if(X1, X2, X3) a__diff(X1, X2) -> diff(X1, X2) The (relative) TRS S consists of the following rules: encArg(0) -> 0 encArg(s(x_1)) -> s(encArg(x_1)) encArg(true) -> true encArg(false) -> false encArg(diff(x_1, x_2)) -> diff(encArg(x_1), encArg(x_2)) encArg(p(x_1)) -> p(encArg(x_1)) encArg(leq(x_1, x_2)) -> leq(encArg(x_1), encArg(x_2)) encArg(if(x_1, x_2, x_3)) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__p(x_1)) -> a__p(encArg(x_1)) encArg(cons_a__leq(x_1, x_2)) -> a__leq(encArg(x_1), encArg(x_2)) encArg(cons_a__if(x_1, x_2, x_3)) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__diff(x_1, x_2)) -> a__diff(encArg(x_1), encArg(x_2)) encArg(cons_mark(x_1)) -> mark(encArg(x_1)) encode_a__p(x_1) -> a__p(encArg(x_1)) encode_0 -> 0 encode_s(x_1) -> s(encArg(x_1)) encode_mark(x_1) -> mark(encArg(x_1)) encode_a__leq(x_1, x_2) -> a__leq(encArg(x_1), encArg(x_2)) encode_true -> true encode_false -> false encode_a__if(x_1, x_2, x_3) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encode_a__diff(x_1, x_2) -> a__diff(encArg(x_1), encArg(x_2)) encode_diff(x_1, x_2) -> diff(encArg(x_1), encArg(x_2)) encode_p(x_1) -> p(encArg(x_1)) encode_leq(x_1, x_2) -> leq(encArg(x_1), encArg(x_2)) encode_if(x_1, x_2, x_3) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) Rewrite Strategy: INNERMOST ---------------------------------------- (5) RenamingProof (BOTH BOUNDS(ID, ID)) Renamed function symbols to avoid clashes with predefined symbol. ---------------------------------------- (6) Obligation: The Runtime Complexity (innermost) of the given CpxRelTRS could be proven to be BOUNDS(n^2, INF). The TRS R consists of the following rules: a__p(0') -> 0' a__p(s(X)) -> mark(X) a__leq(0', Y) -> true a__leq(s(X), 0') -> false a__leq(s(X), s(Y)) -> a__leq(mark(X), mark(Y)) a__if(true, X, Y) -> mark(X) a__if(false, X, Y) -> mark(Y) a__diff(X, Y) -> a__if(a__leq(mark(X), mark(Y)), 0', s(diff(p(X), Y))) mark(p(X)) -> a__p(mark(X)) mark(leq(X1, X2)) -> a__leq(mark(X1), mark(X2)) mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) mark(diff(X1, X2)) -> a__diff(mark(X1), mark(X2)) mark(0') -> 0' mark(s(X)) -> s(mark(X)) mark(true) -> true mark(false) -> false a__p(X) -> p(X) a__leq(X1, X2) -> leq(X1, X2) a__if(X1, X2, X3) -> if(X1, X2, X3) a__diff(X1, X2) -> diff(X1, X2) The (relative) TRS S consists of the following rules: encArg(0') -> 0' encArg(s(x_1)) -> s(encArg(x_1)) encArg(true) -> true encArg(false) -> false encArg(diff(x_1, x_2)) -> diff(encArg(x_1), encArg(x_2)) encArg(p(x_1)) -> p(encArg(x_1)) encArg(leq(x_1, x_2)) -> leq(encArg(x_1), encArg(x_2)) encArg(if(x_1, x_2, x_3)) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__p(x_1)) -> a__p(encArg(x_1)) encArg(cons_a__leq(x_1, x_2)) -> a__leq(encArg(x_1), encArg(x_2)) encArg(cons_a__if(x_1, x_2, x_3)) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__diff(x_1, x_2)) -> a__diff(encArg(x_1), encArg(x_2)) encArg(cons_mark(x_1)) -> mark(encArg(x_1)) encode_a__p(x_1) -> a__p(encArg(x_1)) encode_0 -> 0' encode_s(x_1) -> s(encArg(x_1)) encode_mark(x_1) -> mark(encArg(x_1)) encode_a__leq(x_1, x_2) -> a__leq(encArg(x_1), encArg(x_2)) encode_true -> true encode_false -> false encode_a__if(x_1, x_2, x_3) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encode_a__diff(x_1, x_2) -> a__diff(encArg(x_1), encArg(x_2)) encode_diff(x_1, x_2) -> diff(encArg(x_1), encArg(x_2)) encode_p(x_1) -> p(encArg(x_1)) encode_leq(x_1, x_2) -> leq(encArg(x_1), encArg(x_2)) encode_if(x_1, x_2, x_3) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) Rewrite Strategy: INNERMOST ---------------------------------------- (7) TypeInferenceProof (BOTH BOUNDS(ID, ID)) Infered types. ---------------------------------------- (8) Obligation: Innermost TRS: Rules: a__p(0') -> 0' a__p(s(X)) -> mark(X) a__leq(0', Y) -> true a__leq(s(X), 0') -> false a__leq(s(X), s(Y)) -> a__leq(mark(X), mark(Y)) a__if(true, X, Y) -> mark(X) a__if(false, X, Y) -> mark(Y) a__diff(X, Y) -> a__if(a__leq(mark(X), mark(Y)), 0', s(diff(p(X), Y))) mark(p(X)) -> a__p(mark(X)) mark(leq(X1, X2)) -> a__leq(mark(X1), mark(X2)) mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) mark(diff(X1, X2)) -> a__diff(mark(X1), mark(X2)) mark(0') -> 0' mark(s(X)) -> s(mark(X)) mark(true) -> true mark(false) -> false a__p(X) -> p(X) a__leq(X1, X2) -> leq(X1, X2) a__if(X1, X2, X3) -> if(X1, X2, X3) a__diff(X1, X2) -> diff(X1, X2) encArg(0') -> 0' encArg(s(x_1)) -> s(encArg(x_1)) encArg(true) -> true encArg(false) -> false encArg(diff(x_1, x_2)) -> diff(encArg(x_1), encArg(x_2)) encArg(p(x_1)) -> p(encArg(x_1)) encArg(leq(x_1, x_2)) -> leq(encArg(x_1), encArg(x_2)) encArg(if(x_1, x_2, x_3)) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__p(x_1)) -> a__p(encArg(x_1)) encArg(cons_a__leq(x_1, x_2)) -> a__leq(encArg(x_1), encArg(x_2)) encArg(cons_a__if(x_1, x_2, x_3)) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__diff(x_1, x_2)) -> a__diff(encArg(x_1), encArg(x_2)) encArg(cons_mark(x_1)) -> mark(encArg(x_1)) encode_a__p(x_1) -> a__p(encArg(x_1)) encode_0 -> 0' encode_s(x_1) -> s(encArg(x_1)) encode_mark(x_1) -> mark(encArg(x_1)) encode_a__leq(x_1, x_2) -> a__leq(encArg(x_1), encArg(x_2)) encode_true -> true encode_false -> false encode_a__if(x_1, x_2, x_3) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encode_a__diff(x_1, x_2) -> a__diff(encArg(x_1), encArg(x_2)) encode_diff(x_1, x_2) -> diff(encArg(x_1), encArg(x_2)) encode_p(x_1) -> p(encArg(x_1)) encode_leq(x_1, x_2) -> leq(encArg(x_1), encArg(x_2)) encode_if(x_1, x_2, x_3) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) Types: a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark 0' :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark s :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark true :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark false :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encArg :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_0 :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_s :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_true :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_false :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark hole_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark1_4 :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4 :: Nat -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark ---------------------------------------- (9) OrderProof (LOWER BOUND(ID)) Heuristically decided to analyse the following defined symbols: a__p, mark, a__leq, a__if, a__diff, encArg They will be analysed ascendingly in the following order: a__p = mark a__p = a__leq a__p = a__if a__p = a__diff a__p < encArg mark = a__leq mark = a__if mark = a__diff mark < encArg a__leq = a__if a__leq = a__diff a__leq < encArg a__if = a__diff a__if < encArg a__diff < encArg ---------------------------------------- (10) Obligation: Innermost TRS: Rules: a__p(0') -> 0' a__p(s(X)) -> mark(X) a__leq(0', Y) -> true a__leq(s(X), 0') -> false a__leq(s(X), s(Y)) -> a__leq(mark(X), mark(Y)) a__if(true, X, Y) -> mark(X) a__if(false, X, Y) -> mark(Y) a__diff(X, Y) -> a__if(a__leq(mark(X), mark(Y)), 0', s(diff(p(X), Y))) mark(p(X)) -> a__p(mark(X)) mark(leq(X1, X2)) -> a__leq(mark(X1), mark(X2)) mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) mark(diff(X1, X2)) -> a__diff(mark(X1), mark(X2)) mark(0') -> 0' mark(s(X)) -> s(mark(X)) mark(true) -> true mark(false) -> false a__p(X) -> p(X) a__leq(X1, X2) -> leq(X1, X2) a__if(X1, X2, X3) -> if(X1, X2, X3) a__diff(X1, X2) -> diff(X1, X2) encArg(0') -> 0' encArg(s(x_1)) -> s(encArg(x_1)) encArg(true) -> true encArg(false) -> false encArg(diff(x_1, x_2)) -> diff(encArg(x_1), encArg(x_2)) encArg(p(x_1)) -> p(encArg(x_1)) encArg(leq(x_1, x_2)) -> leq(encArg(x_1), encArg(x_2)) encArg(if(x_1, x_2, x_3)) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__p(x_1)) -> a__p(encArg(x_1)) encArg(cons_a__leq(x_1, x_2)) -> a__leq(encArg(x_1), encArg(x_2)) encArg(cons_a__if(x_1, x_2, x_3)) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__diff(x_1, x_2)) -> a__diff(encArg(x_1), encArg(x_2)) encArg(cons_mark(x_1)) -> mark(encArg(x_1)) encode_a__p(x_1) -> a__p(encArg(x_1)) encode_0 -> 0' encode_s(x_1) -> s(encArg(x_1)) encode_mark(x_1) -> mark(encArg(x_1)) encode_a__leq(x_1, x_2) -> a__leq(encArg(x_1), encArg(x_2)) encode_true -> true encode_false -> false encode_a__if(x_1, x_2, x_3) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encode_a__diff(x_1, x_2) -> a__diff(encArg(x_1), encArg(x_2)) encode_diff(x_1, x_2) -> diff(encArg(x_1), encArg(x_2)) encode_p(x_1) -> p(encArg(x_1)) encode_leq(x_1, x_2) -> leq(encArg(x_1), encArg(x_2)) encode_if(x_1, x_2, x_3) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) Types: a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark 0' :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark s :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark true :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark false :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encArg :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_0 :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_s :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_true :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_false :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark hole_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark1_4 :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4 :: Nat -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark Generator Equations: gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(0) <=> 0' gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(+(x, 1)) <=> s(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(x)) The following defined symbols remain to be analysed: mark, a__p, a__leq, a__if, a__diff, encArg They will be analysed ascendingly in the following order: a__p = mark a__p = a__leq a__p = a__if a__p = a__diff a__p < encArg mark = a__leq mark = a__if mark = a__diff mark < encArg a__leq = a__if a__leq = a__diff a__leq < encArg a__if = a__diff a__if < encArg a__diff < encArg ---------------------------------------- (11) RewriteLemmaProof (LOWER BOUND(ID)) Proved the following rewrite lemma: mark(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n4_4)) -> gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n4_4), rt in Omega(1 + n4_4) Induction Base: mark(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(0)) ->_R^Omega(1) 0' Induction Step: mark(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(+(n4_4, 1))) ->_R^Omega(1) s(mark(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n4_4))) ->_IH s(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(c5_4)) We have rt in Omega(n^1) and sz in O(n). Thus, we have irc_R in Omega(n). ---------------------------------------- (12) Complex Obligation (BEST) ---------------------------------------- (13) Obligation: Proved the lower bound n^1 for the following obligation: Innermost TRS: Rules: a__p(0') -> 0' a__p(s(X)) -> mark(X) a__leq(0', Y) -> true a__leq(s(X), 0') -> false a__leq(s(X), s(Y)) -> a__leq(mark(X), mark(Y)) a__if(true, X, Y) -> mark(X) a__if(false, X, Y) -> mark(Y) a__diff(X, Y) -> a__if(a__leq(mark(X), mark(Y)), 0', s(diff(p(X), Y))) mark(p(X)) -> a__p(mark(X)) mark(leq(X1, X2)) -> a__leq(mark(X1), mark(X2)) mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) mark(diff(X1, X2)) -> a__diff(mark(X1), mark(X2)) mark(0') -> 0' mark(s(X)) -> s(mark(X)) mark(true) -> true mark(false) -> false a__p(X) -> p(X) a__leq(X1, X2) -> leq(X1, X2) a__if(X1, X2, X3) -> if(X1, X2, X3) a__diff(X1, X2) -> diff(X1, X2) encArg(0') -> 0' encArg(s(x_1)) -> s(encArg(x_1)) encArg(true) -> true encArg(false) -> false encArg(diff(x_1, x_2)) -> diff(encArg(x_1), encArg(x_2)) encArg(p(x_1)) -> p(encArg(x_1)) encArg(leq(x_1, x_2)) -> leq(encArg(x_1), encArg(x_2)) encArg(if(x_1, x_2, x_3)) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__p(x_1)) -> a__p(encArg(x_1)) encArg(cons_a__leq(x_1, x_2)) -> a__leq(encArg(x_1), encArg(x_2)) encArg(cons_a__if(x_1, x_2, x_3)) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__diff(x_1, x_2)) -> a__diff(encArg(x_1), encArg(x_2)) encArg(cons_mark(x_1)) -> mark(encArg(x_1)) encode_a__p(x_1) -> a__p(encArg(x_1)) encode_0 -> 0' encode_s(x_1) -> s(encArg(x_1)) encode_mark(x_1) -> mark(encArg(x_1)) encode_a__leq(x_1, x_2) -> a__leq(encArg(x_1), encArg(x_2)) encode_true -> true encode_false -> false encode_a__if(x_1, x_2, x_3) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encode_a__diff(x_1, x_2) -> a__diff(encArg(x_1), encArg(x_2)) encode_diff(x_1, x_2) -> diff(encArg(x_1), encArg(x_2)) encode_p(x_1) -> p(encArg(x_1)) encode_leq(x_1, x_2) -> leq(encArg(x_1), encArg(x_2)) encode_if(x_1, x_2, x_3) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) Types: a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark 0' :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark s :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark true :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark false :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encArg :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_0 :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_s :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_true :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_false :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark hole_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark1_4 :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4 :: Nat -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark Generator Equations: gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(0) <=> 0' gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(+(x, 1)) <=> s(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(x)) The following defined symbols remain to be analysed: mark, a__p, a__leq, a__if, a__diff, encArg They will be analysed ascendingly in the following order: a__p = mark a__p = a__leq a__p = a__if a__p = a__diff a__p < encArg mark = a__leq mark = a__if mark = a__diff mark < encArg a__leq = a__if a__leq = a__diff a__leq < encArg a__if = a__diff a__if < encArg a__diff < encArg ---------------------------------------- (14) LowerBoundPropagationProof (FINISHED) Propagated lower bound. ---------------------------------------- (15) BOUNDS(n^1, INF) ---------------------------------------- (16) Obligation: Innermost TRS: Rules: a__p(0') -> 0' a__p(s(X)) -> mark(X) a__leq(0', Y) -> true a__leq(s(X), 0') -> false a__leq(s(X), s(Y)) -> a__leq(mark(X), mark(Y)) a__if(true, X, Y) -> mark(X) a__if(false, X, Y) -> mark(Y) a__diff(X, Y) -> a__if(a__leq(mark(X), mark(Y)), 0', s(diff(p(X), Y))) mark(p(X)) -> a__p(mark(X)) mark(leq(X1, X2)) -> a__leq(mark(X1), mark(X2)) mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) mark(diff(X1, X2)) -> a__diff(mark(X1), mark(X2)) mark(0') -> 0' mark(s(X)) -> s(mark(X)) mark(true) -> true mark(false) -> false a__p(X) -> p(X) a__leq(X1, X2) -> leq(X1, X2) a__if(X1, X2, X3) -> if(X1, X2, X3) a__diff(X1, X2) -> diff(X1, X2) encArg(0') -> 0' encArg(s(x_1)) -> s(encArg(x_1)) encArg(true) -> true encArg(false) -> false encArg(diff(x_1, x_2)) -> diff(encArg(x_1), encArg(x_2)) encArg(p(x_1)) -> p(encArg(x_1)) encArg(leq(x_1, x_2)) -> leq(encArg(x_1), encArg(x_2)) encArg(if(x_1, x_2, x_3)) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__p(x_1)) -> a__p(encArg(x_1)) encArg(cons_a__leq(x_1, x_2)) -> a__leq(encArg(x_1), encArg(x_2)) encArg(cons_a__if(x_1, x_2, x_3)) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__diff(x_1, x_2)) -> a__diff(encArg(x_1), encArg(x_2)) encArg(cons_mark(x_1)) -> mark(encArg(x_1)) encode_a__p(x_1) -> a__p(encArg(x_1)) encode_0 -> 0' encode_s(x_1) -> s(encArg(x_1)) encode_mark(x_1) -> mark(encArg(x_1)) encode_a__leq(x_1, x_2) -> a__leq(encArg(x_1), encArg(x_2)) encode_true -> true encode_false -> false encode_a__if(x_1, x_2, x_3) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encode_a__diff(x_1, x_2) -> a__diff(encArg(x_1), encArg(x_2)) encode_diff(x_1, x_2) -> diff(encArg(x_1), encArg(x_2)) encode_p(x_1) -> p(encArg(x_1)) encode_leq(x_1, x_2) -> leq(encArg(x_1), encArg(x_2)) encode_if(x_1, x_2, x_3) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) Types: a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark 0' :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark s :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark true :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark false :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encArg :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_0 :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_s :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_true :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_false :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark hole_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark1_4 :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4 :: Nat -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark Lemmas: mark(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n4_4)) -> gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n4_4), rt in Omega(1 + n4_4) Generator Equations: gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(0) <=> 0' gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(+(x, 1)) <=> s(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(x)) The following defined symbols remain to be analysed: a__p, a__leq, a__if, a__diff, encArg They will be analysed ascendingly in the following order: a__p = mark a__p = a__leq a__p = a__if a__p = a__diff a__p < encArg mark = a__leq mark = a__if mark = a__diff mark < encArg a__leq = a__if a__leq = a__diff a__leq < encArg a__if = a__diff a__if < encArg a__diff < encArg ---------------------------------------- (17) RewriteLemmaProof (LOWER BOUND(ID)) Proved the following rewrite lemma: a__leq(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n1745_4), gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n1745_4)) -> true, rt in Omega(1 + n1745_4 + n1745_4^2) Induction Base: a__leq(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(0), gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(0)) ->_R^Omega(1) true Induction Step: a__leq(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(+(n1745_4, 1)), gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(+(n1745_4, 1))) ->_R^Omega(1) a__leq(mark(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n1745_4)), mark(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n1745_4))) ->_L^Omega(1 + n1745_4) a__leq(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n1745_4), mark(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n1745_4))) ->_L^Omega(1 + n1745_4) a__leq(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n1745_4), gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n1745_4)) ->_IH true We have rt in Omega(n^2) and sz in O(n). Thus, we have irc_R in Omega(n^2). ---------------------------------------- (18) Complex Obligation (BEST) ---------------------------------------- (19) Obligation: Proved the lower bound n^2 for the following obligation: Innermost TRS: Rules: a__p(0') -> 0' a__p(s(X)) -> mark(X) a__leq(0', Y) -> true a__leq(s(X), 0') -> false a__leq(s(X), s(Y)) -> a__leq(mark(X), mark(Y)) a__if(true, X, Y) -> mark(X) a__if(false, X, Y) -> mark(Y) a__diff(X, Y) -> a__if(a__leq(mark(X), mark(Y)), 0', s(diff(p(X), Y))) mark(p(X)) -> a__p(mark(X)) mark(leq(X1, X2)) -> a__leq(mark(X1), mark(X2)) mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) mark(diff(X1, X2)) -> a__diff(mark(X1), mark(X2)) mark(0') -> 0' mark(s(X)) -> s(mark(X)) mark(true) -> true mark(false) -> false a__p(X) -> p(X) a__leq(X1, X2) -> leq(X1, X2) a__if(X1, X2, X3) -> if(X1, X2, X3) a__diff(X1, X2) -> diff(X1, X2) encArg(0') -> 0' encArg(s(x_1)) -> s(encArg(x_1)) encArg(true) -> true encArg(false) -> false encArg(diff(x_1, x_2)) -> diff(encArg(x_1), encArg(x_2)) encArg(p(x_1)) -> p(encArg(x_1)) encArg(leq(x_1, x_2)) -> leq(encArg(x_1), encArg(x_2)) encArg(if(x_1, x_2, x_3)) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__p(x_1)) -> a__p(encArg(x_1)) encArg(cons_a__leq(x_1, x_2)) -> a__leq(encArg(x_1), encArg(x_2)) encArg(cons_a__if(x_1, x_2, x_3)) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__diff(x_1, x_2)) -> a__diff(encArg(x_1), encArg(x_2)) encArg(cons_mark(x_1)) -> mark(encArg(x_1)) encode_a__p(x_1) -> a__p(encArg(x_1)) encode_0 -> 0' encode_s(x_1) -> s(encArg(x_1)) encode_mark(x_1) -> mark(encArg(x_1)) encode_a__leq(x_1, x_2) -> a__leq(encArg(x_1), encArg(x_2)) encode_true -> true encode_false -> false encode_a__if(x_1, x_2, x_3) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encode_a__diff(x_1, x_2) -> a__diff(encArg(x_1), encArg(x_2)) encode_diff(x_1, x_2) -> diff(encArg(x_1), encArg(x_2)) encode_p(x_1) -> p(encArg(x_1)) encode_leq(x_1, x_2) -> leq(encArg(x_1), encArg(x_2)) encode_if(x_1, x_2, x_3) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) Types: a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark 0' :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark s :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark true :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark false :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encArg :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_0 :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_s :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_true :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_false :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark hole_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark1_4 :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4 :: Nat -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark Lemmas: mark(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n4_4)) -> gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n4_4), rt in Omega(1 + n4_4) Generator Equations: gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(0) <=> 0' gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(+(x, 1)) <=> s(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(x)) The following defined symbols remain to be analysed: a__leq, a__if, a__diff, encArg They will be analysed ascendingly in the following order: a__p = mark a__p = a__leq a__p = a__if a__p = a__diff a__p < encArg mark = a__leq mark = a__if mark = a__diff mark < encArg a__leq = a__if a__leq = a__diff a__leq < encArg a__if = a__diff a__if < encArg a__diff < encArg ---------------------------------------- (20) LowerBoundPropagationProof (FINISHED) Propagated lower bound. ---------------------------------------- (21) BOUNDS(n^2, INF) ---------------------------------------- (22) Obligation: Innermost TRS: Rules: a__p(0') -> 0' a__p(s(X)) -> mark(X) a__leq(0', Y) -> true a__leq(s(X), 0') -> false a__leq(s(X), s(Y)) -> a__leq(mark(X), mark(Y)) a__if(true, X, Y) -> mark(X) a__if(false, X, Y) -> mark(Y) a__diff(X, Y) -> a__if(a__leq(mark(X), mark(Y)), 0', s(diff(p(X), Y))) mark(p(X)) -> a__p(mark(X)) mark(leq(X1, X2)) -> a__leq(mark(X1), mark(X2)) mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) mark(diff(X1, X2)) -> a__diff(mark(X1), mark(X2)) mark(0') -> 0' mark(s(X)) -> s(mark(X)) mark(true) -> true mark(false) -> false a__p(X) -> p(X) a__leq(X1, X2) -> leq(X1, X2) a__if(X1, X2, X3) -> if(X1, X2, X3) a__diff(X1, X2) -> diff(X1, X2) encArg(0') -> 0' encArg(s(x_1)) -> s(encArg(x_1)) encArg(true) -> true encArg(false) -> false encArg(diff(x_1, x_2)) -> diff(encArg(x_1), encArg(x_2)) encArg(p(x_1)) -> p(encArg(x_1)) encArg(leq(x_1, x_2)) -> leq(encArg(x_1), encArg(x_2)) encArg(if(x_1, x_2, x_3)) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__p(x_1)) -> a__p(encArg(x_1)) encArg(cons_a__leq(x_1, x_2)) -> a__leq(encArg(x_1), encArg(x_2)) encArg(cons_a__if(x_1, x_2, x_3)) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__diff(x_1, x_2)) -> a__diff(encArg(x_1), encArg(x_2)) encArg(cons_mark(x_1)) -> mark(encArg(x_1)) encode_a__p(x_1) -> a__p(encArg(x_1)) encode_0 -> 0' encode_s(x_1) -> s(encArg(x_1)) encode_mark(x_1) -> mark(encArg(x_1)) encode_a__leq(x_1, x_2) -> a__leq(encArg(x_1), encArg(x_2)) encode_true -> true encode_false -> false encode_a__if(x_1, x_2, x_3) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encode_a__diff(x_1, x_2) -> a__diff(encArg(x_1), encArg(x_2)) encode_diff(x_1, x_2) -> diff(encArg(x_1), encArg(x_2)) encode_p(x_1) -> p(encArg(x_1)) encode_leq(x_1, x_2) -> leq(encArg(x_1), encArg(x_2)) encode_if(x_1, x_2, x_3) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) Types: a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark 0' :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark s :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark true :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark false :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encArg :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_0 :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_s :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_true :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_false :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark hole_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark1_4 :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4 :: Nat -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark Lemmas: mark(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n4_4)) -> gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n4_4), rt in Omega(1 + n4_4) a__leq(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n1745_4), gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n1745_4)) -> true, rt in Omega(1 + n1745_4 + n1745_4^2) Generator Equations: gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(0) <=> 0' gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(+(x, 1)) <=> s(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(x)) The following defined symbols remain to be analysed: a__if, a__p, mark, a__diff, encArg They will be analysed ascendingly in the following order: a__p = mark a__p = a__leq a__p = a__if a__p = a__diff a__p < encArg mark = a__leq mark = a__if mark = a__diff mark < encArg a__leq = a__if a__leq = a__diff a__leq < encArg a__if = a__diff a__if < encArg a__diff < encArg ---------------------------------------- (23) RewriteLemmaProof (LOWER BOUND(ID)) Proved the following rewrite lemma: mark(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n3493_4)) -> gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n3493_4), rt in Omega(1 + n3493_4) Induction Base: mark(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(0)) ->_R^Omega(1) 0' Induction Step: mark(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(+(n3493_4, 1))) ->_R^Omega(1) s(mark(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n3493_4))) ->_IH s(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(c3494_4)) We have rt in Omega(n^1) and sz in O(n). Thus, we have irc_R in Omega(n). ---------------------------------------- (24) Obligation: Innermost TRS: Rules: a__p(0') -> 0' a__p(s(X)) -> mark(X) a__leq(0', Y) -> true a__leq(s(X), 0') -> false a__leq(s(X), s(Y)) -> a__leq(mark(X), mark(Y)) a__if(true, X, Y) -> mark(X) a__if(false, X, Y) -> mark(Y) a__diff(X, Y) -> a__if(a__leq(mark(X), mark(Y)), 0', s(diff(p(X), Y))) mark(p(X)) -> a__p(mark(X)) mark(leq(X1, X2)) -> a__leq(mark(X1), mark(X2)) mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) mark(diff(X1, X2)) -> a__diff(mark(X1), mark(X2)) mark(0') -> 0' mark(s(X)) -> s(mark(X)) mark(true) -> true mark(false) -> false a__p(X) -> p(X) a__leq(X1, X2) -> leq(X1, X2) a__if(X1, X2, X3) -> if(X1, X2, X3) a__diff(X1, X2) -> diff(X1, X2) encArg(0') -> 0' encArg(s(x_1)) -> s(encArg(x_1)) encArg(true) -> true encArg(false) -> false encArg(diff(x_1, x_2)) -> diff(encArg(x_1), encArg(x_2)) encArg(p(x_1)) -> p(encArg(x_1)) encArg(leq(x_1, x_2)) -> leq(encArg(x_1), encArg(x_2)) encArg(if(x_1, x_2, x_3)) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__p(x_1)) -> a__p(encArg(x_1)) encArg(cons_a__leq(x_1, x_2)) -> a__leq(encArg(x_1), encArg(x_2)) encArg(cons_a__if(x_1, x_2, x_3)) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encArg(cons_a__diff(x_1, x_2)) -> a__diff(encArg(x_1), encArg(x_2)) encArg(cons_mark(x_1)) -> mark(encArg(x_1)) encode_a__p(x_1) -> a__p(encArg(x_1)) encode_0 -> 0' encode_s(x_1) -> s(encArg(x_1)) encode_mark(x_1) -> mark(encArg(x_1)) encode_a__leq(x_1, x_2) -> a__leq(encArg(x_1), encArg(x_2)) encode_true -> true encode_false -> false encode_a__if(x_1, x_2, x_3) -> a__if(encArg(x_1), encArg(x_2), encArg(x_3)) encode_a__diff(x_1, x_2) -> a__diff(encArg(x_1), encArg(x_2)) encode_diff(x_1, x_2) -> diff(encArg(x_1), encArg(x_2)) encode_p(x_1) -> p(encArg(x_1)) encode_leq(x_1, x_2) -> leq(encArg(x_1), encArg(x_2)) encode_if(x_1, x_2, x_3) -> if(encArg(x_1), encArg(x_2), encArg(x_3)) Types: a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark 0' :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark s :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark true :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark false :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encArg :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark cons_mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_0 :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_s :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_mark :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_true :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_false :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_a__diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_diff :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_p :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_leq :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark encode_if :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark hole_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark1_4 :: 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4 :: Nat -> 0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark Lemmas: mark(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n3493_4)) -> gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n3493_4), rt in Omega(1 + n3493_4) a__leq(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n1745_4), gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n1745_4)) -> true, rt in Omega(1 + n1745_4 + n1745_4^2) Generator Equations: gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(0) <=> 0' gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(+(x, 1)) <=> s(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(x)) The following defined symbols remain to be analysed: a__p, encArg They will be analysed ascendingly in the following order: a__p = mark a__p = a__leq a__p = a__if a__p = a__diff a__p < encArg mark = a__leq mark = a__if mark = a__diff mark < encArg a__leq = a__if a__leq = a__diff a__leq < encArg a__if = a__diff a__if < encArg a__diff < encArg ---------------------------------------- (25) RewriteLemmaProof (LOWER BOUND(ID)) Proved the following rewrite lemma: encArg(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n5238_4)) -> gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n5238_4), rt in Omega(0) Induction Base: encArg(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(0)) ->_R^Omega(0) 0' Induction Step: encArg(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(+(n5238_4, 1))) ->_R^Omega(0) s(encArg(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(n5238_4))) ->_IH s(gen_0':s:true:false:p:diff:leq:if:cons_a__p:cons_a__leq:cons_a__if:cons_a__diff:cons_mark2_4(c5239_4)) We have rt in Omega(1) and sz in O(n). Thus, we have irc_R in Omega(n^0). ---------------------------------------- (26) BOUNDS(1, INF)