0.001/0.001 NO 0.001/0.001 0.001/0.001 Problem 1: 0.001/0.001 0.001/0.001 0.001/0.001 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0.001/0.001 Confluence Problem: 0.001/0.001 (VAR vNonEmpty:S IL:S L:S M:S N:S X:S) 0.001/0.001 (STRATEGY CONTEXTSENSITIVE 0.001/0.001 (and 1) 0.001/0.001 (length 1) 0.001/0.001 (take 1 2) 0.001/0.001 (zeros) 0.001/0.001 (0) 0.001/0.001 (cons 1) 0.001/0.001 (fSNonEmpty) 0.001/0.001 (nil) 0.001/0.001 (s 1) 0.001/0.001 (tt) 0.001/0.001 ) 0.001/0.001 (RULES 0.001/0.001 and(tt,X:S) -> X:S 0.001/0.001 length(cons(N:S,L:S)) -> s(length(L:S)) 0.001/0.001 length(nil) -> 0 0.001/0.001 take(0,IL:S) -> nil 0.001/0.001 take(s(M:S),cons(N:S,IL:S)) -> cons(N:S,take(M:S,IL:S)) 0.001/0.001 zeros -> cons(0,zeros) 0.001/0.001 ) 0.001/0.001 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0.001/0.001 0.001/0.001 0.001/0.001 Problem 1: 0.001/0.001 0.001/0.001 CleanTRS Processor: 0.001/0.001 0.001/0.001 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0.001/0.001 Confluence Problem: 0.001/0.001 (VAR vNonEmpty:S IL:S L:S M:S N:S X:S) 0.001/0.001 (STRATEGY CONTEXTSENSITIVE 0.001/0.001 (and 1) 0.001/0.001 (length 1) 0.001/0.001 (take 1 2) 0.001/0.001 (zeros) 0.001/0.001 (0) 0.001/0.001 (cons 1) 0.001/0.001 (fSNonEmpty) 0.001/0.001 (nil) 0.001/0.001 (s 1) 0.001/0.001 (tt) 0.001/0.001 ) 0.001/0.001 (RULES 0.001/0.001 and(tt,X:S) -> X:S 0.001/0.001 length(cons(N:S,L:S)) -> s(length(L:S)) 0.001/0.001 length(nil) -> 0 0.001/0.001 take(0,IL:S) -> nil 0.001/0.001 take(s(M:S),cons(N:S,IL:S)) -> cons(N:S,take(M:S,IL:S)) 0.001/0.001 zeros -> cons(0,zeros) 0.001/0.001 ) 0.001/0.001 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0.001/0.001 0.001/0.001 0.001/0.001 Problem 1: 0.001/0.001 0.001/0.001 Modular Confluence Combinations Decomposition Processor: 0.001/0.001 It is a CTRS -> No modular confluence 0.001/0.001 0.001/0.001 Problem 1: 0.001/0.001 CS-TRS Processor: 0.001/0.001 R is a CS-TRS 0.001/0.001 0.001/0.001 Problem 1: 0.001/0.001 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0.001/0.001 Confluence Problem: 0.001/0.001 (VAR vNonEmpty:S IL:S L:S M:S N:S X:S) 0.001/0.001 (STRATEGY CONTEXTSENSITIVE 0.001/0.001 (and 1) 0.001/0.001 (length 1) 0.001/0.001 (take 1 2) 0.001/0.001 (zeros) 0.001/0.001 (0) 0.001/0.001 (cons 1) 0.001/0.001 (fSNonEmpty) 0.001/0.001 (nil) 0.001/0.001 (s 1) 0.001/0.001 (tt) 0.001/0.001 ) 0.001/0.001 (RULES 0.001/0.001 and(tt,X:S) -> X:S 0.001/0.001 length(cons(N:S,L:S)) -> s(length(L:S)) 0.001/0.001 length(nil) -> 0 0.001/0.001 take(0,IL:S) -> nil 0.001/0.001 take(s(M:S),cons(N:S,IL:S)) -> cons(N:S,take(M:S,IL:S)) 0.001/0.001 zeros -> cons(0,zeros) 0.001/0.001 ) 0.001/0.001 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0.001/0.001 0.001/0.001 Extended u-Critical Pairs NonLHRV Processor [JLAMP21]: 0.001/0.001 ->Extended u-Critical Pair: 0.001/0.001 Rule 1 (l :-> r) => take(s(x11:S),cons(x12:S,x10:S)) -> cons(x12:S,take(x11:S,x10:S)) 0.001/0.001 Rule 5 (l' :-> r') => take(s(M:S),cons(N:S,IL:S)) -> cons(N:S,take(M:S,IL:S)) 0.001/0.001 Var => x11:S 0.001/0.001 Pos x11:S in l => [1,1] 0.001/0.001 Sigma => {x11:S -> take(s(M:S),cons(N:S,IL:S))} 0.001/0.001 s => cons(x12:S,take(take(s(M:S),cons(N:S,IL:S)),x10:S)) 0.001/0.001 t => take(s(cons(N:S,take(M:S,IL:S))),cons(x12:S,x10:S)) 0.001/0.001 NW => 1 0.001/0.001 0.001/0.001 0.001/0.001 ->Extended u-Critical Pair: 0.001/0.001 Rule 1 (l :-> r) => take(s(x11:S),cons(x12:S,x10:S)) -> cons(x12:S,take(x11:S,x10:S)) 0.001/0.001 Rule 6 (l' :-> r') => zeros -> cons(0,zeros) 0.001/0.001 Var => x11:S 0.001/0.001 Pos x11:S in l => [1,1] 0.001/0.001 Sigma => {x11:S -> zeros} 0.001/0.001 s => cons(x12:S,take(zeros,x10:S)) 0.001/0.001 t => take(s(cons(0,zeros)),cons(x12:S,x10:S)) 0.001/0.001 NW => 1 0.001/0.001 0.001/0.001 0.001/0.001 Problem 1: 0.001/0.001 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0.001/0.001 Confluence Problem: 0.001/0.001 (VAR vNonEmpty:S IL:S L:S M:S N:S X:S) 0.001/0.001 (STRATEGY CONTEXTSENSITIVE 0.001/0.001 (and 1) 0.001/0.001 (length 1) 0.001/0.001 (take 1 2) 0.001/0.001 (zeros) 0.001/0.001 (0) 0.001/0.001 (cons 1) 0.001/0.001 (fSNonEmpty) 0.001/0.001 (nil) 0.001/0.001 (s 1) 0.001/0.001 (tt) 0.001/0.001 ) 0.001/0.001 (RULES 0.001/0.001 and(tt,X:S) -> X:S 0.001/0.001 length(cons(N:S,L:S)) -> s(length(L:S)) 0.001/0.001 length(nil) -> 0 0.001/0.001 take(0,IL:S) -> nil 0.001/0.001 take(s(M:S),cons(N:S,IL:S)) -> cons(N:S,take(M:S,IL:S)) 0.001/0.001 zeros -> cons(0,zeros) 0.001/0.001 ) 0.001/0.001 Critical Pairs: 0.001/0.001 => Not trivial, Not overlay, NW1, N1 0.001/0.001 => Not trivial, Not overlay, NW1, N2 0.001/0.001 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0.001/0.001 0.001/0.001 Huet Levy Processor: 0.001/0.001 -> Rules: 0.001/0.001 and(tt,X:S) -> X:S 0.001/0.001 length(cons(N:S,L:S)) -> s(length(L:S)) 0.001/0.001 length(nil) -> 0 0.001/0.001 take(0,IL:S) -> nil 0.001/0.001 take(s(M:S),cons(N:S,IL:S)) -> cons(N:S,take(M:S,IL:S)) 0.001/0.001 zeros -> cons(0,zeros) 0.001/0.001 -> Vars: 0.001/0.001 X, L, N, IL, IL, M, N 0.001/0.001 -> UVars: 0.001/0.001 (UV-RuleId: 1, UV-LActive: [], UV-RActive: [X], UV-LFrozen: [X], UV-RFrozen: []) 0.001/0.001 (UV-RuleId: 2, UV-LActive: [N], UV-RActive: [L], UV-LFrozen: [L], UV-RFrozen: []) 0.001/0.001 (UV-RuleId: 3, UV-LActive: [], UV-RActive: [], UV-LFrozen: [], UV-RFrozen: []) 0.001/0.001 (UV-RuleId: 4, UV-LActive: [IL], UV-RActive: [], UV-LFrozen: [], UV-RFrozen: []) 0.001/0.001 (UV-RuleId: 5, UV-LActive: [M, N], UV-RActive: [N], UV-LFrozen: [IL], UV-RFrozen: [IL, M]) 0.001/0.001 (UV-RuleId: 6, UV-LActive: [], UV-RActive: [], UV-LFrozen: [], UV-RFrozen: []) 0.001/0.001 -> FVars: 0.001/0.001 x6, x7, x8, x9, x10, x11, x12 0.001/0.001 -> PVars: 0.001/0.001 X: [x6], L: [x7], N: [x8, x12], IL: [x9, x10], M: [x11] 0.001/0.001 0.001/0.001 -> Rlps: 0.001/0.001 (rule: and(tt,x6:S) -> x6:S, id: 1, possubterms: and(tt,x6:S)->[], tt->[1]) 0.001/0.001 (rule: length(cons(x8:S,x7:S)) -> s(length(x7:S)), id: 2, possubterms: length(cons(x8:S,x7:S))->[], cons(x8:S,x7:S)->[1]) 0.001/0.001 (rule: length(nil) -> 0, id: 3, possubterms: length(nil)->[], nil->[1]) 0.001/0.001 (rule: take(0,x9:S) -> nil, id: 4, possubterms: take(0,x9:S)->[], 0->[1]) 0.001/0.001 (rule: take(s(x11:S),cons(x12:S,x10:S)) -> cons(x12:S,take(x11:S,x10:S)), id: 5, possubterms: take(s(x11:S),cons(x12:S,x10:S))->[], s(x11:S)->[1], cons(x12:S,x10:S)->[2]) 0.001/0.001 (rule: zeros -> cons(0,zeros), id: 6, possubterms: zeros->[]) 0.001/0.001 0.001/0.001 -> Unifications: 0.001/0.001 0.001/0.001 0.001/0.001 -> Critical pairs info: 0.001/0.001 => Not trivial, Not overlay, NW1, N1 0.001/0.001 => Not trivial, Not overlay, NW1, N2 0.001/0.001 0.001/0.001 -> Problem conclusions: 0.001/0.001 Left linear, Right linear, Linear 0.001/0.001 Not weakly orthogonal, Not almost orthogonal, Not orthogonal 0.001/0.001 Not Huet-Levy confluent, Not Newman confluent 0.001/0.001 R is a CS-TRS, Not left-homogeneous u-replacing variables 0.001/0.001 0.001/0.001 0.001/0.001 Problem 1: 0.001/0.001 No Convergence Brute Force Processor: 0.001/0.001 -> Rewritings: 0.001/0.001 s: cons(N:S,take(take(s(M:S),cons(N:S,IL:S)),IL:S)) 0.001/0.001 Nodes: [0] 0.001/0.001 Edges: [] 0.001/0.001 ID: 0 => ('cons(N:S,take(take(s(M:S),cons(N:S,IL:S)),IL:S))', D0) 0.001/0.001 t: take(s(cons(N:S,take(M:S,IL:S))),cons(N:S,IL:S)) 0.001/0.001 Nodes: [0,1] 0.001/0.001 Edges: [(0,1)] 0.001/0.001 ID: 0 => ('take(s(cons(N:S,take(M:S,IL:S))),cons(N:S,IL:S))', D0) 0.001/0.001 ID: 1 => ('cons(N:S,take(cons(N:S,take(M:S,IL:S)),IL:S))', D1, R5, P[], S{x10:S -> IL:S, x11:S -> cons(N:S,take(M:S,IL:S)), x12:S -> N:S}), NR: 'cons(N:S,take(cons(N:S,take(M:S,IL:S)),IL:S))' 0.001/0.001 cons(N:S,take(take(s(M:S),cons(N:S,IL:S)),IL:S)) ->* no union *<- take(s(cons(N:S,take(M:S,IL:S))),cons(N:S,IL:S)) 0.001/0.001 "Not joinable" 0.001/0.001 0.001/0.001 The problem is not joinable. 0.001/0.001 0.00user 0.00system 0:00.01elapsed 50%CPU (0avgtext+0avgdata 9800maxresident)k 0.001/0.001 0inputs+0outputs (0major+791minor)pagefaults 0swaps