0.002/0.002 NO 0.002/0.002 0.002/0.002 Problem 1: 0.002/0.002 0.002/0.002 0.002/0.002 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0.002/0.002 Confluence Problem: 0.002/0.002 (VAR vNonEmpty:S v_NonEmpty:S:S N:S:S X:S:S XS:S:S Y:S:S YS:S:S ZS:S:S) 0.002/0.002 (STRATEGY CONTEXTSENSITIVE 0.002/0.002 (U11 1) 0.002/0.002 (U12 1) 0.002/0.002 (afterNth) 0.002/0.002 (and 1) 0.002/0.002 (fst 1) 0.002/0.002 (head 1) 0.002/0.002 (natsFrom) 0.002/0.002 (sel) 0.002/0.002 (snd 1) 0.002/0.002 (splitAt 1 2) 0.002/0.002 (tail 1) 0.002/0.002 (take) 0.002/0.002 (cons) 0.002/0.002 (fSNonEmpty) 0.002/0.002 (nil) 0.002/0.002 (num0) 0.002/0.002 (pair) 0.002/0.002 (s) 0.002/0.002 (tt) 0.002/0.002 ) 0.002/0.002 (RULES 0.002/0.002 U11(tt,N:S:S,X:S:S,XS:S:S) -> U12(splitAt(N:S:S,XS:S:S),X:S:S) 0.002/0.002 U12(pair(YS:S:S,ZS:S:S),X:S:S) -> pair(cons(X:S:S,YS:S:S),ZS:S:S) 0.002/0.002 afterNth(N:S:S,XS:S:S) -> snd(splitAt(N:S:S,XS:S:S)) 0.002/0.002 and(tt,X:S:S) -> X:S:S 0.002/0.002 fst(pair(X:S:S,Y:S:S)) -> X:S:S 0.002/0.002 head(cons(N:S:S,XS:S:S)) -> N:S:S 0.002/0.002 natsFrom(N:S:S) -> cons(N:S:S,natsFrom(s(N:S:S))) 0.002/0.002 sel(N:S:S,XS:S:S) -> head(afterNth(N:S:S,XS:S:S)) 0.002/0.002 snd(pair(X:S:S,Y:S:S)) -> Y:S:S 0.002/0.002 splitAt(num0,XS:S:S) -> pair(nil,XS:S:S) 0.002/0.002 splitAt(s(N:S:S),cons(X:S:S,XS:S:S)) -> U11(tt,N:S:S,X:S:S,XS:S:S) 0.002/0.002 tail(cons(N:S:S,XS:S:S)) -> XS:S:S 0.002/0.002 take(N:S:S,XS:S:S) -> fst(splitAt(N:S:S,XS:S:S)) 0.002/0.002 ) 0.002/0.002 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0.002/0.002 0.002/0.002 0.002/0.002 Problem 1: 0.002/0.002 0.002/0.002 CleanTRS Processor: 0.002/0.002 0.002/0.002 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0.002/0.002 Confluence Problem: 0.002/0.002 (VAR vNonEmpty:S v_NonEmpty:S:S N:S:S X:S:S XS:S:S Y:S:S YS:S:S ZS:S:S) 0.002/0.002 (STRATEGY CONTEXTSENSITIVE 0.002/0.002 (U11 1) 0.002/0.002 (U12 1) 0.002/0.002 (afterNth) 0.002/0.002 (and 1) 0.002/0.002 (fst 1) 0.002/0.002 (head 1) 0.002/0.002 (natsFrom) 0.002/0.002 (sel) 0.002/0.002 (snd 1) 0.002/0.002 (splitAt 1 2) 0.002/0.002 (tail 1) 0.002/0.002 (take) 0.002/0.002 (cons) 0.002/0.002 (fSNonEmpty) 0.002/0.002 (nil) 0.002/0.002 (num0) 0.002/0.002 (pair) 0.002/0.002 (s) 0.002/0.002 (tt) 0.002/0.002 ) 0.002/0.002 (RULES 0.002/0.002 U11(tt,N:S:S,X:S:S,XS:S:S) -> U12(splitAt(N:S:S,XS:S:S),X:S:S) 0.002/0.002 U12(pair(YS:S:S,ZS:S:S),X:S:S) -> pair(cons(X:S:S,YS:S:S),ZS:S:S) 0.002/0.002 afterNth(N:S:S,XS:S:S) -> snd(splitAt(N:S:S,XS:S:S)) 0.002/0.002 and(tt,X:S:S) -> X:S:S 0.002/0.002 fst(pair(X:S:S,Y:S:S)) -> X:S:S 0.002/0.002 head(cons(N:S:S,XS:S:S)) -> N:S:S 0.002/0.002 natsFrom(N:S:S) -> cons(N:S:S,natsFrom(s(N:S:S))) 0.002/0.002 sel(N:S:S,XS:S:S) -> head(afterNth(N:S:S,XS:S:S)) 0.002/0.002 snd(pair(X:S:S,Y:S:S)) -> Y:S:S 0.002/0.002 splitAt(num0,XS:S:S) -> pair(nil,XS:S:S) 0.002/0.002 splitAt(s(N:S:S),cons(X:S:S,XS:S:S)) -> U11(tt,N:S:S,X:S:S,XS:S:S) 0.002/0.002 tail(cons(N:S:S,XS:S:S)) -> XS:S:S 0.002/0.002 take(N:S:S,XS:S:S) -> fst(splitAt(N:S:S,XS:S:S)) 0.002/0.002 ) 0.002/0.002 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0.002/0.002 0.002/0.002 0.002/0.002 Problem 1: 0.002/0.002 0.002/0.002 Modular Confluence Combinations Decomposition Processor: 0.002/0.002 It is a CTRS -> No modular confluence 0.002/0.002 0.002/0.002 Problem 1: 0.002/0.002 CS-TRS Processor: 0.002/0.002 R is a CS-TRS 0.002/0.002 0.002/0.002 Problem 1: 0.002/0.002 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0.002/0.002 Confluence Problem: 0.002/0.002 (VAR vNonEmpty:S v_NonEmpty:S:S N:S:S X:S:S XS:S:S Y:S:S YS:S:S ZS:S:S) 0.002/0.002 (STRATEGY CONTEXTSENSITIVE 0.002/0.002 (U11 1) 0.002/0.002 (U12 1) 0.002/0.002 (afterNth) 0.002/0.002 (and 1) 0.002/0.002 (fst 1) 0.002/0.002 (head 1) 0.002/0.002 (natsFrom) 0.002/0.002 (sel) 0.002/0.002 (snd 1) 0.002/0.002 (splitAt 1 2) 0.002/0.002 (tail 1) 0.002/0.002 (take) 0.002/0.002 (cons) 0.002/0.002 (fSNonEmpty) 0.002/0.002 (nil) 0.002/0.002 (num0) 0.002/0.002 (pair) 0.002/0.002 (s) 0.002/0.002 (tt) 0.002/0.002 ) 0.002/0.002 (RULES 0.002/0.002 U11(tt,N:S:S,X:S:S,XS:S:S) -> U12(splitAt(N:S:S,XS:S:S),X:S:S) 0.002/0.002 U12(pair(YS:S:S,ZS:S:S),X:S:S) -> pair(cons(X:S:S,YS:S:S),ZS:S:S) 0.002/0.002 afterNth(N:S:S,XS:S:S) -> snd(splitAt(N:S:S,XS:S:S)) 0.002/0.002 and(tt,X:S:S) -> X:S:S 0.002/0.002 fst(pair(X:S:S,Y:S:S)) -> X:S:S 0.002/0.002 head(cons(N:S:S,XS:S:S)) -> N:S:S 0.002/0.002 natsFrom(N:S:S) -> cons(N:S:S,natsFrom(s(N:S:S))) 0.002/0.002 sel(N:S:S,XS:S:S) -> head(afterNth(N:S:S,XS:S:S)) 0.002/0.002 snd(pair(X:S:S,Y:S:S)) -> Y:S:S 0.002/0.002 splitAt(num0,XS:S:S) -> pair(nil,XS:S:S) 0.002/0.002 splitAt(s(N:S:S),cons(X:S:S,XS:S:S)) -> U11(tt,N:S:S,X:S:S,XS:S:S) 0.002/0.002 tail(cons(N:S:S,XS:S:S)) -> XS:S:S 0.002/0.002 take(N:S:S,XS:S:S) -> fst(splitAt(N:S:S,XS:S:S)) 0.002/0.002 ) 0.002/0.002 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0.002/0.002 0.002/0.002 Extended u-Critical Pairs NonLHRV Processor [JLAMP21]: 0.002/0.002 ->Extended u-Critical Pair: 0.002/0.002 Rule 1 (l :-> r) => splitAt(num0,x26:S) -> pair(nil,x26:S) 0.002/0.002 Rule 10 (l' :-> r') => splitAt(num0,XS:S:S) -> pair(nil,XS:S:S) 0.002/0.002 Var => x26:S 0.002/0.002 Pos x26:S in l => [2] 0.002/0.002 Sigma => {x26:S -> splitAt(num0,XS:S:S)} 0.002/0.002 s => pair(nil,splitAt(num0,XS:S:S)) 0.002/0.002 t => splitAt(num0,pair(nil,XS:S:S)) 0.002/0.002 NW => 1 0.002/0.002 0.002/0.002 0.002/0.002 ->Extended u-Critical Pair: 0.002/0.002 Rule 1 (l :-> r) => splitAt(num0,x26:S) -> pair(nil,x26:S) 0.002/0.002 Rule 11 (l' :-> r') => splitAt(s(N:S:S),cons(X:S:S,XS:S:S)) -> U11(tt,N:S:S,X:S:S,XS:S:S) 0.002/0.002 Var => x26:S 0.002/0.002 Pos x26:S in l => [2] 0.002/0.002 Sigma => {x26:S -> splitAt(s(N:S:S),cons(X:S:S,XS:S:S))} 0.002/0.002 s => pair(nil,splitAt(s(N:S:S),cons(X:S:S,XS:S:S))) 0.002/0.002 t => splitAt(num0,U11(tt,N:S:S,X:S:S,XS:S:S)) 0.002/0.002 NW => 1 0.002/0.002 0.002/0.002 0.002/0.002 ->Extended u-Critical Pair: 0.002/0.002 Rule 1 (l :-> r) => splitAt(num0,x26:S) -> pair(nil,x26:S) 0.002/0.002 Rule 12 (l' :-> r') => tail(cons(N:S:S,XS:S:S)) -> XS:S:S 0.002/0.002 Var => x26:S 0.002/0.002 Pos x26:S in l => [2] 0.002/0.002 Sigma => {x26:S -> tail(cons(N:S:S,XS:S:S))} 0.002/0.002 s => pair(nil,tail(cons(N:S:S,XS:S:S))) 0.002/0.002 t => splitAt(num0,XS:S:S) 0.002/0.002 NW => 1 0.002/0.002 0.002/0.002 0.002/0.002 ->Extended u-Critical Pair: 0.002/0.002 Rule 1 (l :-> r) => splitAt(num0,x26:S) -> pair(nil,x26:S) 0.002/0.002 Rule 13 (l' :-> r') => take(N:S:S,XS:S:S) -> fst(splitAt(N:S:S,XS:S:S)) 0.002/0.002 Var => x26:S 0.002/0.002 Pos x26:S in l => [2] 0.002/0.002 Sigma => {x26:S -> take(N:S:S,XS:S:S)} 0.002/0.002 s => pair(nil,take(N:S:S,XS:S:S)) 0.002/0.002 t => splitAt(num0,fst(splitAt(N:S:S,XS:S:S))) 0.002/0.002 NW => 1 0.002/0.002 0.002/0.002 0.002/0.002 Problem 1: 0.002/0.002 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0.002/0.002 Confluence Problem: 0.002/0.002 (VAR vNonEmpty:S v_NonEmpty:S:S N:S:S X:S:S XS:S:S Y:S:S YS:S:S ZS:S:S) 0.002/0.002 (STRATEGY CONTEXTSENSITIVE 0.002/0.002 (U11 1) 0.002/0.002 (U12 1) 0.002/0.002 (afterNth) 0.002/0.002 (and 1) 0.002/0.002 (fst 1) 0.002/0.002 (head 1) 0.002/0.002 (natsFrom) 0.002/0.002 (sel) 0.002/0.002 (snd 1) 0.002/0.002 (splitAt 1 2) 0.002/0.002 (tail 1) 0.002/0.002 (take) 0.002/0.002 (cons) 0.002/0.002 (fSNonEmpty) 0.002/0.002 (nil) 0.002/0.002 (num0) 0.002/0.002 (pair) 0.002/0.002 (s) 0.002/0.002 (tt) 0.002/0.002 ) 0.002/0.002 (RULES 0.002/0.002 U11(tt,N:S:S,X:S:S,XS:S:S) -> U12(splitAt(N:S:S,XS:S:S),X:S:S) 0.002/0.002 U12(pair(YS:S:S,ZS:S:S),X:S:S) -> pair(cons(X:S:S,YS:S:S),ZS:S:S) 0.002/0.002 afterNth(N:S:S,XS:S:S) -> snd(splitAt(N:S:S,XS:S:S)) 0.002/0.002 and(tt,X:S:S) -> X:S:S 0.002/0.002 fst(pair(X:S:S,Y:S:S)) -> X:S:S 0.002/0.002 head(cons(N:S:S,XS:S:S)) -> N:S:S 0.002/0.002 natsFrom(N:S:S) -> cons(N:S:S,natsFrom(s(N:S:S))) 0.002/0.002 sel(N:S:S,XS:S:S) -> head(afterNth(N:S:S,XS:S:S)) 0.002/0.002 snd(pair(X:S:S,Y:S:S)) -> Y:S:S 0.002/0.002 splitAt(num0,XS:S:S) -> pair(nil,XS:S:S) 0.002/0.002 splitAt(s(N:S:S),cons(X:S:S,XS:S:S)) -> U11(tt,N:S:S,X:S:S,XS:S:S) 0.002/0.002 tail(cons(N:S:S,XS:S:S)) -> XS:S:S 0.002/0.002 take(N:S:S,XS:S:S) -> fst(splitAt(N:S:S,XS:S:S)) 0.002/0.002 ) 0.002/0.002 Critical Pairs: 0.002/0.002 => Not trivial, Not overlay, NW1, N1 0.002/0.002 => Not trivial, Not overlay, NW1, N2 0.002/0.002 => Not trivial, Not overlay, NW1, N3 0.002/0.002 => Not trivial, Not overlay, NW1, N4 0.002/0.002 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0.002/0.002 0.002/0.002 Huet Levy Processor: 0.002/0.002 -> Rules: 0.002/0.002 U11(tt,N:S:S,X:S:S,XS:S:S) -> U12(splitAt(N:S:S,XS:S:S),X:S:S) 0.002/0.002 U12(pair(YS:S:S,ZS:S:S),X:S:S) -> pair(cons(X:S:S,YS:S:S),ZS:S:S) 0.002/0.002 afterNth(N:S:S,XS:S:S) -> snd(splitAt(N:S:S,XS:S:S)) 0.002/0.002 and(tt,X:S:S) -> X:S:S 0.002/0.002 fst(pair(X:S:S,Y:S:S)) -> X:S:S 0.002/0.002 head(cons(N:S:S,XS:S:S)) -> N:S:S 0.002/0.002 natsFrom(N:S:S) -> cons(N:S:S,natsFrom(s(N:S:S))) 0.002/0.002 sel(N:S:S,XS:S:S) -> head(afterNth(N:S:S,XS:S:S)) 0.002/0.002 snd(pair(X:S:S,Y:S:S)) -> Y:S:S 0.002/0.002 splitAt(num0,XS:S:S) -> pair(nil,XS:S:S) 0.002/0.002 splitAt(s(N:S:S),cons(X:S:S,XS:S:S)) -> U11(tt,N:S:S,X:S:S,XS:S:S) 0.002/0.002 tail(cons(N:S:S,XS:S:S)) -> XS:S:S 0.002/0.002 take(N:S:S,XS:S:S) -> fst(splitAt(N:S:S,XS:S:S)) 0.002/0.002 -> Vars: 0.002/0.002 N:S, X:S, XS:S, X:S, YS:S, ZS:S, N:S, XS:S, X:S, X:S, Y:S, N:S, XS:S, N:S, N:S, XS:S, X:S, Y:S, XS:S, N:S, X:S, XS:S, N:S, XS:S, N:S, XS:S 0.002/0.002 -> UVars: 0.002/0.002 (UV-RuleId: 1, UV-LActive: [], UV-RActive: [N:S, XS:S], UV-LFrozen: [N:S, X:S, XS:S], UV-RFrozen: [X:S]) 0.002/0.002 (UV-RuleId: 2, UV-LActive: [], UV-RActive: [], UV-LFrozen: [X:S, YS:S, ZS:S], UV-RFrozen: [X:S, YS:S, ZS:S]) 0.002/0.002 (UV-RuleId: 3, UV-LActive: [], UV-RActive: [N:S, XS:S], UV-LFrozen: [N:S, XS:S], UV-RFrozen: []) 0.002/0.002 (UV-RuleId: 4, UV-LActive: [], UV-RActive: [X:S], UV-LFrozen: [X:S], UV-RFrozen: []) 0.002/0.002 (UV-RuleId: 5, UV-LActive: [], UV-RActive: [X:S], UV-LFrozen: [X:S, Y:S], UV-RFrozen: []) 0.002/0.002 (UV-RuleId: 6, UV-LActive: [], UV-RActive: [N:S], UV-LFrozen: [N:S, XS:S], UV-RFrozen: []) 0.002/0.002 (UV-RuleId: 7, UV-LActive: [], UV-RActive: [], UV-LFrozen: [N:S], UV-RFrozen: [N:S]) 0.002/0.002 (UV-RuleId: 8, UV-LActive: [], UV-RActive: [], UV-LFrozen: [N:S, XS:S], UV-RFrozen: [N:S, XS:S]) 0.002/0.002 (UV-RuleId: 9, UV-LActive: [], UV-RActive: [Y:S], UV-LFrozen: [X:S, Y:S], UV-RFrozen: []) 0.002/0.002 (UV-RuleId: 10, UV-LActive: [XS:S], UV-RActive: [], UV-LFrozen: [], UV-RFrozen: [XS:S]) 0.002/0.002 (UV-RuleId: 11, UV-LActive: [], UV-RActive: [], UV-LFrozen: [N:S, X:S, XS:S], UV-RFrozen: [N:S, X:S, XS:S]) 0.002/0.002 (UV-RuleId: 12, UV-LActive: [], UV-RActive: [XS:S], UV-LFrozen: [N:S, XS:S], UV-RFrozen: []) 0.002/0.002 (UV-RuleId: 13, UV-LActive: [], UV-RActive: [N:S, XS:S], UV-LFrozen: [N:S, XS:S], UV-RFrozen: []) 0.002/0.002 -> FVars: 0.002/0.002 x8, x9, x10, x11, x12, x13, x14, x15, x16, x17, x18, x19, x20, x21, x22, x23, x24, x25, x26, x27, x28, x29, x30, x31, x32, x33 0.002/0.002 -> PVars: 0.002/0.002 N:S: [x8, x14, x19, x21, x22, x27, x30, x32], X:S: [x9, x11, x16, x17, x24, x28], XS:S: [x10, x15, x20, x23, x26, x29, x31, x33], YS:S: [x12], ZS:S: [x13], Y:S: [x18, x25] 0.002/0.002 0.002/0.002 -> Rlps: 0.002/0.002 (rule: U11(tt,x8:S,x9:S,x10:S) -> U12(splitAt(x8:S,x10:S),x9:S), id: 1, possubterms: U11(tt,x8:S,x9:S,x10:S)->[], tt->[1]) 0.002/0.002 (rule: U12(pair(x12:S,x13:S),x11:S) -> pair(cons(x11:S,x12:S),x13:S), id: 2, possubterms: U12(pair(x12:S,x13:S),x11:S)->[], pair(x12:S,x13:S)->[1]) 0.002/0.002 (rule: afterNth(x14:S,x15:S) -> snd(splitAt(x14:S,x15:S)), id: 3, possubterms: afterNth(x14:S,x15:S)->[]) 0.002/0.002 (rule: and(tt,x16:S) -> x16:S, id: 4, possubterms: and(tt,x16:S)->[], tt->[1]) 0.002/0.002 (rule: fst(pair(x17:S,x18:S)) -> x17:S, id: 5, possubterms: fst(pair(x17:S,x18:S))->[], pair(x17:S,x18:S)->[1]) 0.002/0.002 (rule: head(cons(x19:S,x20:S)) -> x19:S, id: 6, possubterms: head(cons(x19:S,x20:S))->[], cons(x19:S,x20:S)->[1]) 0.002/0.002 (rule: natsFrom(x21:S) -> cons(x21:S,natsFrom(s(x21:S))), id: 7, possubterms: natsFrom(x21:S)->[]) 0.002/0.002 (rule: sel(x22:S,x23:S) -> head(afterNth(x22:S,x23:S)), id: 8, possubterms: sel(x22:S,x23:S)->[]) 0.002/0.002 (rule: snd(pair(x24:S,x25:S)) -> x25:S, id: 9, possubterms: snd(pair(x24:S,x25:S))->[], pair(x24:S,x25:S)->[1]) 0.002/0.002 (rule: splitAt(num0,x26:S) -> pair(nil,x26:S), id: 10, possubterms: splitAt(num0,x26:S)->[], num0->[1]) 0.002/0.002 (rule: splitAt(s(x27:S),cons(x28:S,x29:S)) -> U11(tt,x27:S,x28:S,x29:S), id: 11, possubterms: splitAt(s(x27:S),cons(x28:S,x29:S))->[], s(x27:S)->[1], cons(x28:S,x29:S)->[2]) 0.002/0.002 (rule: tail(cons(x30:S,x31:S)) -> x31:S, id: 12, possubterms: tail(cons(x30:S,x31:S))->[], cons(x30:S,x31:S)->[1]) 0.002/0.002 (rule: take(x32:S,x33:S) -> fst(splitAt(x32:S,x33:S)), id: 13, possubterms: take(x32:S,x33:S)->[]) 0.002/0.002 0.002/0.002 -> Unifications: 0.002/0.002 0.002/0.002 0.002/0.002 -> Critical pairs info: 0.002/0.002 => Not trivial, Not overlay, NW1, N1 0.002/0.002 => Not trivial, Not overlay, NW1, N2 0.002/0.002 => Not trivial, Not overlay, NW1, N3 0.002/0.002 => Not trivial, Not overlay, NW1, N4 0.002/0.002 0.002/0.002 -> Problem conclusions: 0.002/0.002 Left linear, Not right linear, Not linear 0.002/0.002 Not weakly orthogonal, Not almost orthogonal, Not orthogonal 0.002/0.002 Not Huet-Levy confluent, Not Newman confluent 0.002/0.002 R is a CS-TRS, Not left-homogeneous u-replacing variables 0.002/0.002 0.002/0.002 0.002/0.002 Problem 1: 0.002/0.002 No Convergence Brute Force Processor: 0.002/0.002 -> Rewritings: 0.002/0.002 s: pair(nil,take(N:S:S,XS:S:S)) 0.002/0.002 Nodes: [0] 0.002/0.002 Edges: [] 0.002/0.002 ID: 0 => ('pair(nil,take(N:S:S,XS:S:S))', D0) 0.002/0.002 t: splitAt(num0,fst(splitAt(N:S:S,XS:S:S))) 0.002/0.002 Nodes: [0,1] 0.002/0.002 Edges: [(0,1)] 0.002/0.002 ID: 0 => ('splitAt(num0,fst(splitAt(N:S:S,XS:S:S)))', D0) 0.002/0.002 ID: 1 => ('pair(nil,fst(splitAt(N:S:S,XS:S:S)))', D1, R10, P[], S{x26:S -> fst(splitAt(N:S:S,XS:S:S))}), NR: 'pair(nil,fst(splitAt(N:S:S,XS:S:S)))' 0.002/0.002 pair(nil,take(N:S:S,XS:S:S)) ->* no union *<- splitAt(num0,fst(splitAt(N:S:S,XS:S:S))) 0.002/0.002 "Not joinable" 0.002/0.002 0.002/0.002 The problem is not joinable. 0.002/0.002 0.00user 0.00system 0:00.02elapsed 54%CPU (0avgtext+0avgdata 10948maxresident)k 0.002/0.002 8inputs+0outputs (0major+1025minor)pagefaults 0swaps