We consider the following Problem: Strict Trs: { append(@l1, @l2) -> append#1(@l1, @l2) , append#1(::(@x, @xs), @l2) -> ::(@x, append(@xs, @l2)) , append#1(nil(), @l2) -> @l2 , appendAll(@l) -> appendAll#1(@l) , appendAll#1(::(@l1, @ls)) -> append(@l1, appendAll(@ls)) , appendAll#1(nil()) -> nil() , appendAll2(@l) -> appendAll2#1(@l) , appendAll2#1(::(@l1, @ls)) -> append(appendAll(@l1), appendAll2(@ls)) , appendAll2#1(nil()) -> nil() , appendAll3(@l) -> appendAll3#1(@l) , appendAll3#1(::(@l1, @ls)) -> append(appendAll2(@l1), appendAll3(@ls)) , appendAll3#1(nil()) -> nil()} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: We consider the following Problem: Strict Trs: { append(@l1, @l2) -> append#1(@l1, @l2) , append#1(::(@x, @xs), @l2) -> ::(@x, append(@xs, @l2)) , append#1(nil(), @l2) -> @l2 , appendAll(@l) -> appendAll#1(@l) , appendAll#1(::(@l1, @ls)) -> append(@l1, appendAll(@ls)) , appendAll#1(nil()) -> nil() , appendAll2(@l) -> appendAll2#1(@l) , appendAll2#1(::(@l1, @ls)) -> append(appendAll(@l1), appendAll2(@ls)) , appendAll2#1(nil()) -> nil() , appendAll3(@l) -> appendAll3#1(@l) , appendAll3#1(::(@l1, @ls)) -> append(appendAll2(@l1), appendAll3(@ls)) , appendAll3#1(nil()) -> nil()} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: { append#1(nil(), @l2) -> @l2 , appendAll#1(::(@l1, @ls)) -> append(@l1, appendAll(@ls)) , appendAll2#1(::(@l1, @ls)) -> append(appendAll(@l1), appendAll2(@ls)) , appendAll3#1(::(@l1, @ls)) -> append(appendAll2(@l1), appendAll3(@ls))} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(append) = {1, 2}, Uargs(append#1) = {}, Uargs(::) = {2}, Uargs(appendAll) = {}, Uargs(appendAll#1) = {}, Uargs(appendAll2) = {}, Uargs(appendAll2#1) = {}, Uargs(appendAll3) = {}, Uargs(appendAll3#1) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: append(x1, x2) = [1 0] x1 + [1 0] x2 + [0] [0 0] [0 0] [0] append#1(x1, x2) = [1 0] x1 + [1 0] x2 + [1] [0 0] [0 1] [1] ::(x1, x2) = [0 0] x1 + [1 0] x2 + [0] [1 1] [0 1] [1] nil() = [0] [0] appendAll(x1) = [0 1] x1 + [0] [0 0] [0] appendAll#1(x1) = [0 1] x1 + [0] [0 0] [1] appendAll2(x1) = [0 1] x1 + [0] [0 0] [0] appendAll2#1(x1) = [0 1] x1 + [0] [0 0] [1] appendAll3(x1) = [0 1] x1 + [0] [0 0] [0] appendAll3#1(x1) = [0 1] x1 + [0] [0 0] [1] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { append(@l1, @l2) -> append#1(@l1, @l2) , append#1(::(@x, @xs), @l2) -> ::(@x, append(@xs, @l2)) , appendAll(@l) -> appendAll#1(@l) , appendAll#1(nil()) -> nil() , appendAll2(@l) -> appendAll2#1(@l) , appendAll2#1(nil()) -> nil() , appendAll3(@l) -> appendAll3#1(@l) , appendAll3#1(nil()) -> nil()} Weak Trs: { append#1(nil(), @l2) -> @l2 , appendAll#1(::(@l1, @ls)) -> append(@l1, appendAll(@ls)) , appendAll2#1(::(@l1, @ls)) -> append(appendAll(@l1), appendAll2(@ls)) , appendAll3#1(::(@l1, @ls)) -> append(appendAll2(@l1), appendAll3(@ls))} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: { appendAll#1(nil()) -> nil() , appendAll2#1(nil()) -> nil() , appendAll3#1(nil()) -> nil()} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(append) = {1, 2}, Uargs(append#1) = {}, Uargs(::) = {2}, Uargs(appendAll) = {}, Uargs(appendAll#1) = {}, Uargs(appendAll2) = {}, Uargs(appendAll2#1) = {}, Uargs(appendAll3) = {}, Uargs(appendAll3#1) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: append(x1, x2) = [1 0] x1 + [1 0] x2 + [0] [0 0] [0 0] [0] append#1(x1, x2) = [1 0] x1 + [1 0] x2 + [1] [0 0] [0 1] [1] ::(x1, x2) = [0 1] x1 + [1 0] x2 + [0] [1 0] [0 1] [1] nil() = [0] [0] appendAll(x1) = [0 1] x1 + [0] [0 0] [0] appendAll#1(x1) = [0 1] x1 + [1] [0 0] [1] appendAll2(x1) = [1 0] x1 + [0] [0 0] [0] appendAll2#1(x1) = [1 0] x1 + [1] [0 0] [1] appendAll3(x1) = [0 1] x1 + [0] [0 0] [0] appendAll3#1(x1) = [0 1] x1 + [1] [0 0] [1] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { append(@l1, @l2) -> append#1(@l1, @l2) , append#1(::(@x, @xs), @l2) -> ::(@x, append(@xs, @l2)) , appendAll(@l) -> appendAll#1(@l) , appendAll2(@l) -> appendAll2#1(@l) , appendAll3(@l) -> appendAll3#1(@l)} Weak Trs: { appendAll#1(nil()) -> nil() , appendAll2#1(nil()) -> nil() , appendAll3#1(nil()) -> nil() , append#1(nil(), @l2) -> @l2 , appendAll#1(::(@l1, @ls)) -> append(@l1, appendAll(@ls)) , appendAll2#1(::(@l1, @ls)) -> append(appendAll(@l1), appendAll2(@ls)) , appendAll3#1(::(@l1, @ls)) -> append(appendAll2(@l1), appendAll3(@ls))} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {appendAll3(@l) -> appendAll3#1(@l)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(append) = {1, 2}, Uargs(append#1) = {}, Uargs(::) = {2}, Uargs(appendAll) = {}, Uargs(appendAll#1) = {}, Uargs(appendAll2) = {}, Uargs(appendAll2#1) = {}, Uargs(appendAll3) = {}, Uargs(appendAll3#1) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: append(x1, x2) = [1 0] x1 + [1 0] x2 + [0] [0 0] [0 0] [0] append#1(x1, x2) = [1 0] x1 + [1 0] x2 + [1] [0 0] [0 1] [1] ::(x1, x2) = [0 1] x1 + [1 0] x2 + [0] [1 0] [0 1] [1] nil() = [0] [0] appendAll(x1) = [0 1] x1 + [0] [0 0] [0] appendAll#1(x1) = [0 1] x1 + [1] [0 0] [1] appendAll2(x1) = [1 0] x1 + [0] [0 0] [0] appendAll2#1(x1) = [1 0] x1 + [1] [0 0] [1] appendAll3(x1) = [0 1] x1 + [2] [0 0] [2] appendAll3#1(x1) = [0 1] x1 + [1] [0 0] [1] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { append(@l1, @l2) -> append#1(@l1, @l2) , append#1(::(@x, @xs), @l2) -> ::(@x, append(@xs, @l2)) , appendAll(@l) -> appendAll#1(@l) , appendAll2(@l) -> appendAll2#1(@l)} Weak Trs: { appendAll3(@l) -> appendAll3#1(@l) , appendAll#1(nil()) -> nil() , appendAll2#1(nil()) -> nil() , appendAll3#1(nil()) -> nil() , append#1(nil(), @l2) -> @l2 , appendAll#1(::(@l1, @ls)) -> append(@l1, appendAll(@ls)) , appendAll2#1(::(@l1, @ls)) -> append(appendAll(@l1), appendAll2(@ls)) , appendAll3#1(::(@l1, @ls)) -> append(appendAll2(@l1), appendAll3(@ls))} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {append#1(::(@x, @xs), @l2) -> ::(@x, append(@xs, @l2))} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(append) = {1, 2}, Uargs(append#1) = {}, Uargs(::) = {2}, Uargs(appendAll) = {}, Uargs(appendAll#1) = {}, Uargs(appendAll2) = {}, Uargs(appendAll2#1) = {}, Uargs(appendAll3) = {}, Uargs(appendAll3#1) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: append(x1, x2) = [1 0] x1 + [1 0] x2 + [0] [0 0] [0 0] [1] append#1(x1, x2) = [1 0] x1 + [1 0] x2 + [1] [0 0] [0 1] [1] ::(x1, x2) = [1 0] x1 + [1 0] x2 + [0] [0 0] [0 0] [1] nil() = [0] [0] appendAll(x1) = [1 0] x1 + [0] [0 0] [0] appendAll#1(x1) = [1 0] x1 + [1] [0 0] [1] appendAll2(x1) = [1 0] x1 + [0] [0 0] [0] appendAll2#1(x1) = [1 0] x1 + [1] [0 0] [1] appendAll3(x1) = [1 0] x1 + [1] [0 0] [2] appendAll3#1(x1) = [1 0] x1 + [1] [0 0] [1] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { append(@l1, @l2) -> append#1(@l1, @l2) , appendAll(@l) -> appendAll#1(@l) , appendAll2(@l) -> appendAll2#1(@l)} Weak Trs: { append#1(::(@x, @xs), @l2) -> ::(@x, append(@xs, @l2)) , appendAll3(@l) -> appendAll3#1(@l) , appendAll#1(nil()) -> nil() , appendAll2#1(nil()) -> nil() , appendAll3#1(nil()) -> nil() , append#1(nil(), @l2) -> @l2 , appendAll#1(::(@l1, @ls)) -> append(@l1, appendAll(@ls)) , appendAll2#1(::(@l1, @ls)) -> append(appendAll(@l1), appendAll2(@ls)) , appendAll3#1(::(@l1, @ls)) -> append(appendAll2(@l1), appendAll3(@ls))} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {appendAll(@l) -> appendAll#1(@l)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(append) = {1, 2}, Uargs(append#1) = {}, Uargs(::) = {2}, Uargs(appendAll) = {}, Uargs(appendAll#1) = {}, Uargs(appendAll2) = {}, Uargs(appendAll2#1) = {}, Uargs(appendAll3) = {}, Uargs(appendAll3#1) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: append(x1, x2) = [1 0] x1 + [1 0] x2 + [0] [0 0] [0 0] [1] append#1(x1, x2) = [1 0] x1 + [1 0] x2 + [1] [0 1] [1 1] [1] ::(x1, x2) = [1 0] x1 + [1 0] x2 + [2] [0 0] [1 0] [0] nil() = [0] [0] appendAll(x1) = [1 0] x1 + [1] [0 0] [1] appendAll#1(x1) = [1 0] x1 + [0] [0 0] [1] appendAll2(x1) = [1 0] x1 + [0] [0 0] [0] appendAll2#1(x1) = [1 0] x1 + [2] [0 0] [1] appendAll3(x1) = [1 0] x1 + [2] [0 0] [2] appendAll3#1(x1) = [1 0] x1 + [1] [0 0] [1] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { append(@l1, @l2) -> append#1(@l1, @l2) , appendAll2(@l) -> appendAll2#1(@l)} Weak Trs: { appendAll(@l) -> appendAll#1(@l) , append#1(::(@x, @xs), @l2) -> ::(@x, append(@xs, @l2)) , appendAll3(@l) -> appendAll3#1(@l) , appendAll#1(nil()) -> nil() , appendAll2#1(nil()) -> nil() , appendAll3#1(nil()) -> nil() , append#1(nil(), @l2) -> @l2 , appendAll#1(::(@l1, @ls)) -> append(@l1, appendAll(@ls)) , appendAll2#1(::(@l1, @ls)) -> append(appendAll(@l1), appendAll2(@ls)) , appendAll3#1(::(@l1, @ls)) -> append(appendAll2(@l1), appendAll3(@ls))} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {appendAll2(@l) -> appendAll2#1(@l)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(append) = {1, 2}, Uargs(append#1) = {}, Uargs(::) = {2}, Uargs(appendAll) = {}, Uargs(appendAll#1) = {}, Uargs(appendAll2) = {}, Uargs(appendAll2#1) = {}, Uargs(appendAll3) = {}, Uargs(appendAll3#1) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: append(x1, x2) = [1 0] x1 + [1 0] x2 + [0] [0 0] [0 0] [1] append#1(x1, x2) = [1 0] x1 + [1 0] x2 + [0] [0 1] [1 1] [0] ::(x1, x2) = [1 0] x1 + [1 0] x2 + [2] [0 0] [1 0] [0] nil() = [3] [1] appendAll(x1) = [1 0] x1 + [0] [1 1] [2] appendAll#1(x1) = [1 0] x1 + [0] [1 1] [1] appendAll2(x1) = [1 0] x1 + [1] [0 0] [2] appendAll2#1(x1) = [1 0] x1 + [0] [0 0] [1] appendAll3(x1) = [1 0] x1 + [0] [0 0] [2] appendAll3#1(x1) = [1 0] x1 + [0] [0 0] [1] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: {append(@l1, @l2) -> append#1(@l1, @l2)} Weak Trs: { appendAll2(@l) -> appendAll2#1(@l) , appendAll(@l) -> appendAll#1(@l) , append#1(::(@x, @xs), @l2) -> ::(@x, append(@xs, @l2)) , appendAll3(@l) -> appendAll3#1(@l) , appendAll#1(nil()) -> nil() , appendAll2#1(nil()) -> nil() , appendAll3#1(nil()) -> nil() , append#1(nil(), @l2) -> @l2 , appendAll#1(::(@l1, @ls)) -> append(@l1, appendAll(@ls)) , appendAll2#1(::(@l1, @ls)) -> append(appendAll(@l1), appendAll2(@ls)) , appendAll3#1(::(@l1, @ls)) -> append(appendAll2(@l1), appendAll3(@ls))} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: We consider the following Problem: Strict Trs: {append(@l1, @l2) -> append#1(@l1, @l2)} Weak Trs: { appendAll2(@l) -> appendAll2#1(@l) , appendAll(@l) -> appendAll#1(@l) , append#1(::(@x, @xs), @l2) -> ::(@x, append(@xs, @l2)) , appendAll3(@l) -> appendAll3#1(@l) , appendAll#1(nil()) -> nil() , appendAll2#1(nil()) -> nil() , appendAll3#1(nil()) -> nil() , append#1(nil(), @l2) -> @l2 , appendAll#1(::(@l1, @ls)) -> append(@l1, appendAll(@ls)) , appendAll2#1(::(@l1, @ls)) -> append(appendAll(@l1), appendAll2(@ls)) , appendAll3#1(::(@l1, @ls)) -> append(appendAll2(@l1), appendAll3(@ls))} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The problem is match-bounded by 4. The enriched problem is compatible with the following automaton: { append_0(3, 3) -> 1 , append_0(3, 4) -> 1 , append_0(3, 5) -> 5 , append_0(3, 5) -> 6 , append_0(3, 5) -> 12 , append_0(4, 3) -> 1 , append_0(4, 4) -> 1 , append_0(4, 5) -> 5 , append_0(4, 5) -> 6 , append_0(4, 5) -> 12 , append_0(5, 7) -> 7 , append_0(5, 7) -> 8 , append_0(5, 7) -> 16 , append_0(5, 7) -> 18 , append_0(7, 9) -> 9 , append_0(7, 9) -> 10 , append_0(7, 9) -> 17 , append_0(7, 9) -> 20 , append_0(7, 9) -> 21 , append_0(7, 9) -> 22 , append_1(3, 3) -> 11 , append_1(3, 4) -> 11 , append_1(3, 5) -> 12 , append_1(3, 13) -> 13 , append_1(4, 3) -> 11 , append_1(4, 4) -> 11 , append_1(4, 5) -> 12 , append_1(4, 13) -> 13 , append_1(12, 7) -> 16 , append_1(13, 14) -> 7 , append_1(13, 14) -> 8 , append_1(13, 14) -> 14 , append_1(13, 14) -> 16 , append_1(13, 14) -> 18 , append_1(13, 14) -> 19 , append_1(14, 15) -> 9 , append_1(14, 15) -> 10 , append_1(14, 15) -> 15 , append_1(14, 15) -> 17 , append_1(14, 15) -> 20 , append_1(14, 15) -> 21 , append_1(14, 15) -> 22 , append_1(16, 9) -> 17 , append_2(12, 7) -> 18 , append_2(13, 14) -> 19 , append_2(16, 9) -> 20 , append_2(18, 9) -> 20 , append_2(19, 9) -> 21 , append_2(19, 15) -> 21 , append_3(18, 9) -> 22 , append_3(19, 9) -> 22 , append_3(19, 15) -> 22 , append#1_0(3, 3) -> 2 , append#1_0(3, 4) -> 2 , append#1_0(4, 3) -> 2 , append#1_0(4, 4) -> 2 , append#1_1(3, 3) -> 1 , append#1_1(3, 4) -> 1 , append#1_1(3, 5) -> 5 , append#1_1(3, 5) -> 6 , append#1_1(3, 5) -> 12 , append#1_1(4, 3) -> 1 , append#1_1(4, 4) -> 1 , append#1_1(4, 5) -> 5 , append#1_1(4, 5) -> 6 , append#1_1(4, 5) -> 12 , append#1_1(5, 7) -> 7 , append#1_1(5, 7) -> 8 , append#1_1(5, 7) -> 16 , append#1_1(5, 7) -> 18 , append#1_1(7, 9) -> 9 , append#1_1(7, 9) -> 10 , append#1_1(7, 9) -> 17 , append#1_1(7, 9) -> 20 , append#1_1(7, 9) -> 21 , append#1_1(7, 9) -> 22 , append#1_2(3, 3) -> 11 , append#1_2(3, 4) -> 11 , append#1_2(3, 5) -> 12 , append#1_2(3, 13) -> 13 , append#1_2(4, 3) -> 11 , append#1_2(4, 4) -> 11 , append#1_2(4, 5) -> 12 , append#1_2(4, 13) -> 13 , append#1_2(12, 7) -> 16 , append#1_2(13, 14) -> 7 , append#1_2(13, 14) -> 8 , append#1_2(13, 14) -> 14 , append#1_2(13, 14) -> 16 , append#1_2(13, 14) -> 18 , append#1_2(13, 14) -> 19 , append#1_2(14, 15) -> 9 , append#1_2(14, 15) -> 10 , append#1_2(14, 15) -> 15 , append#1_2(14, 15) -> 17 , append#1_2(14, 15) -> 20 , append#1_2(14, 15) -> 21 , append#1_2(14, 15) -> 22 , append#1_2(16, 9) -> 17 , append#1_3(12, 7) -> 18 , append#1_3(13, 14) -> 19 , append#1_3(16, 9) -> 20 , append#1_3(18, 9) -> 20 , append#1_3(19, 9) -> 21 , append#1_3(19, 15) -> 21 , append#1_4(18, 9) -> 22 , append#1_4(19, 9) -> 22 , append#1_4(19, 15) -> 22 , ::_0(3, 1) -> 2 , ::_0(3, 3) -> 1 , ::_0(3, 3) -> 2 , ::_0(3, 3) -> 3 , ::_0(3, 3) -> 11 , ::_0(3, 4) -> 1 , ::_0(3, 4) -> 2 , ::_0(3, 4) -> 3 , ::_0(3, 4) -> 11 , ::_0(4, 1) -> 2 , ::_0(4, 3) -> 1 , ::_0(4, 3) -> 2 , ::_0(4, 3) -> 3 , ::_0(4, 3) -> 11 , ::_0(4, 4) -> 1 , ::_0(4, 4) -> 2 , ::_0(4, 4) -> 3 , ::_0(4, 4) -> 11 , ::_1(3, 11) -> 1 , ::_1(3, 11) -> 11 , ::_1(3, 12) -> 5 , ::_1(3, 12) -> 6 , ::_1(3, 12) -> 12 , ::_1(3, 13) -> 13 , ::_1(3, 16) -> 7 , ::_1(3, 16) -> 8 , ::_1(3, 16) -> 16 , ::_1(3, 16) -> 18 , ::_1(3, 17) -> 9 , ::_1(3, 17) -> 10 , ::_1(3, 17) -> 17 , ::_1(3, 17) -> 20 , ::_1(3, 17) -> 21 , ::_1(3, 17) -> 22 , ::_1(4, 11) -> 1 , ::_1(4, 11) -> 11 , ::_1(4, 12) -> 5 , ::_1(4, 12) -> 6 , ::_1(4, 12) -> 12 , ::_1(4, 13) -> 13 , ::_1(4, 16) -> 7 , ::_1(4, 16) -> 8 , ::_1(4, 16) -> 16 , ::_1(4, 16) -> 18 , ::_1(4, 17) -> 9 , ::_1(4, 17) -> 10 , ::_1(4, 17) -> 17 , ::_1(4, 17) -> 20 , ::_1(4, 17) -> 21 , ::_1(4, 17) -> 22 , ::_2(3, 18) -> 16 , ::_2(3, 18) -> 18 , ::_2(3, 19) -> 7 , ::_2(3, 19) -> 8 , ::_2(3, 19) -> 14 , ::_2(3, 19) -> 16 , ::_2(3, 19) -> 18 , ::_2(3, 19) -> 19 , ::_2(3, 20) -> 17 , ::_2(3, 20) -> 20 , ::_2(3, 20) -> 22 , ::_2(3, 21) -> 9 , ::_2(3, 21) -> 10 , ::_2(3, 21) -> 15 , ::_2(3, 21) -> 17 , ::_2(3, 21) -> 20 , ::_2(3, 21) -> 21 , ::_2(3, 21) -> 22 , ::_2(4, 18) -> 16 , ::_2(4, 18) -> 18 , ::_2(4, 19) -> 7 , ::_2(4, 19) -> 8 , ::_2(4, 19) -> 14 , ::_2(4, 19) -> 16 , ::_2(4, 19) -> 18 , ::_2(4, 19) -> 19 , ::_2(4, 20) -> 17 , ::_2(4, 20) -> 20 , ::_2(4, 20) -> 22 , ::_2(4, 21) -> 9 , ::_2(4, 21) -> 10 , ::_2(4, 21) -> 15 , ::_2(4, 21) -> 17 , ::_2(4, 21) -> 20 , ::_2(4, 21) -> 21 , ::_2(4, 21) -> 22 , ::_3(3, 22) -> 20 , ::_3(3, 22) -> 21 , ::_3(3, 22) -> 22 , ::_3(4, 22) -> 20 , ::_3(4, 22) -> 21 , ::_3(4, 22) -> 22 , nil_0() -> 1 , nil_0() -> 2 , nil_0() -> 4 , nil_0() -> 5 , nil_0() -> 6 , nil_0() -> 7 , nil_0() -> 8 , nil_0() -> 9 , nil_0() -> 10 , nil_0() -> 11 , nil_0() -> 12 , nil_0() -> 16 , nil_0() -> 17 , nil_0() -> 18 , nil_0() -> 20 , nil_0() -> 21 , nil_0() -> 22 , nil_1() -> 7 , nil_1() -> 8 , nil_1() -> 9 , nil_1() -> 10 , nil_1() -> 13 , nil_1() -> 14 , nil_1() -> 15 , nil_1() -> 16 , nil_1() -> 17 , nil_1() -> 18 , nil_1() -> 19 , nil_1() -> 20 , nil_1() -> 21 , nil_1() -> 22 , appendAll_0(3) -> 5 , appendAll_0(3) -> 6 , appendAll_0(3) -> 12 , appendAll_0(4) -> 5 , appendAll_0(4) -> 6 , appendAll_0(4) -> 12 , appendAll_1(3) -> 13 , appendAll_1(4) -> 13 , appendAll#1_0(3) -> 5 , appendAll#1_0(3) -> 6 , appendAll#1_0(3) -> 12 , appendAll#1_0(4) -> 5 , appendAll#1_0(4) -> 6 , appendAll#1_0(4) -> 12 , appendAll#1_1(3) -> 13 , appendAll#1_1(4) -> 13 , appendAll2_0(3) -> 7 , appendAll2_0(3) -> 8 , appendAll2_0(3) -> 16 , appendAll2_0(3) -> 18 , appendAll2_0(4) -> 7 , appendAll2_0(4) -> 8 , appendAll2_0(4) -> 16 , appendAll2_0(4) -> 18 , appendAll2_1(3) -> 7 , appendAll2_1(3) -> 8 , appendAll2_1(3) -> 14 , appendAll2_1(3) -> 16 , appendAll2_1(3) -> 18 , appendAll2_1(3) -> 19 , appendAll2_1(4) -> 7 , appendAll2_1(4) -> 8 , appendAll2_1(4) -> 14 , appendAll2_1(4) -> 16 , appendAll2_1(4) -> 18 , appendAll2_1(4) -> 19 , appendAll2#1_0(3) -> 7 , appendAll2#1_0(3) -> 8 , appendAll2#1_0(3) -> 16 , appendAll2#1_0(3) -> 18 , appendAll2#1_0(4) -> 7 , appendAll2#1_0(4) -> 8 , appendAll2#1_0(4) -> 16 , appendAll2#1_0(4) -> 18 , appendAll2#1_1(3) -> 7 , appendAll2#1_1(3) -> 8 , appendAll2#1_1(3) -> 14 , appendAll2#1_1(3) -> 16 , appendAll2#1_1(3) -> 18 , appendAll2#1_1(3) -> 19 , appendAll2#1_1(4) -> 7 , appendAll2#1_1(4) -> 8 , appendAll2#1_1(4) -> 14 , appendAll2#1_1(4) -> 16 , appendAll2#1_1(4) -> 18 , appendAll2#1_1(4) -> 19 , appendAll3_0(3) -> 9 , appendAll3_0(3) -> 10 , appendAll3_0(3) -> 17 , appendAll3_0(3) -> 20 , appendAll3_0(3) -> 21 , appendAll3_0(3) -> 22 , appendAll3_0(4) -> 9 , appendAll3_0(4) -> 10 , appendAll3_0(4) -> 17 , appendAll3_0(4) -> 20 , appendAll3_0(4) -> 21 , appendAll3_0(4) -> 22 , appendAll3_1(3) -> 9 , appendAll3_1(3) -> 10 , appendAll3_1(3) -> 15 , appendAll3_1(3) -> 17 , appendAll3_1(3) -> 20 , appendAll3_1(3) -> 21 , appendAll3_1(3) -> 22 , appendAll3_1(4) -> 9 , appendAll3_1(4) -> 10 , appendAll3_1(4) -> 15 , appendAll3_1(4) -> 17 , appendAll3_1(4) -> 20 , appendAll3_1(4) -> 21 , appendAll3_1(4) -> 22 , appendAll3#1_0(3) -> 9 , appendAll3#1_0(3) -> 10 , appendAll3#1_0(3) -> 17 , appendAll3#1_0(3) -> 20 , appendAll3#1_0(3) -> 21 , appendAll3#1_0(3) -> 22 , appendAll3#1_0(4) -> 9 , appendAll3#1_0(4) -> 10 , appendAll3#1_0(4) -> 17 , appendAll3#1_0(4) -> 20 , appendAll3#1_0(4) -> 21 , appendAll3#1_0(4) -> 22 , appendAll3#1_1(3) -> 9 , appendAll3#1_1(3) -> 10 , appendAll3#1_1(3) -> 15 , appendAll3#1_1(3) -> 17 , appendAll3#1_1(3) -> 20 , appendAll3#1_1(3) -> 21 , appendAll3#1_1(3) -> 22 , appendAll3#1_1(4) -> 9 , appendAll3#1_1(4) -> 10 , appendAll3#1_1(4) -> 15 , appendAll3#1_1(4) -> 17 , appendAll3#1_1(4) -> 20 , appendAll3#1_1(4) -> 21 , appendAll3#1_1(4) -> 22} Hurray, we answered YES(?,O(n^1))