YES(?,O(n^1)) 929.23/297.10 YES(?,O(n^1)) 929.23/297.10 929.23/297.10 We are left with following problem, upon which TcT provides the 929.23/297.10 certificate YES(?,O(n^1)). 929.23/297.10 929.23/297.10 Strict Trs: 929.23/297.10 { active(f(f(a()))) -> mark(f(g(f(a())))) 929.23/297.10 , active(g(X)) -> g(active(X)) 929.23/297.10 , f(ok(X)) -> ok(f(X)) 929.23/297.10 , g(mark(X)) -> mark(g(X)) 929.23/297.10 , g(ok(X)) -> ok(g(X)) 929.23/297.10 , proper(f(X)) -> f(proper(X)) 929.23/297.10 , proper(a()) -> ok(a()) 929.23/297.10 , proper(g(X)) -> g(proper(X)) 929.23/297.10 , top(mark(X)) -> top(proper(X)) 929.23/297.10 , top(ok(X)) -> top(active(X)) } 929.23/297.10 Obligation: 929.23/297.10 runtime complexity 929.23/297.10 Answer: 929.23/297.10 YES(?,O(n^1)) 929.23/297.10 929.23/297.10 The problem is match-bounded by 2. The enriched problem is 929.23/297.10 compatible with the following automaton. 929.23/297.10 { active_0(3) -> 1 929.23/297.10 , active_0(4) -> 1 929.23/297.10 , active_0(7) -> 1 929.23/297.10 , active_1(3) -> 12 929.23/297.10 , active_1(4) -> 12 929.23/297.10 , active_1(7) -> 12 929.23/297.10 , active_2(11) -> 13 929.23/297.10 , f_0(3) -> 2 929.23/297.10 , f_0(4) -> 2 929.23/297.10 , f_0(7) -> 2 929.23/297.10 , f_1(3) -> 9 929.23/297.10 , f_1(4) -> 9 929.23/297.10 , f_1(7) -> 9 929.23/297.10 , a_0() -> 3 929.23/297.10 , a_1() -> 11 929.23/297.10 , mark_0(3) -> 4 929.23/297.10 , mark_0(4) -> 4 929.23/297.10 , mark_0(7) -> 4 929.23/297.10 , mark_1(10) -> 5 929.23/297.10 , mark_1(10) -> 10 929.23/297.10 , g_0(3) -> 5 929.23/297.10 , g_0(4) -> 5 929.23/297.10 , g_0(7) -> 5 929.23/297.10 , g_1(3) -> 10 929.23/297.10 , g_1(4) -> 10 929.23/297.10 , g_1(7) -> 10 929.23/297.10 , proper_0(3) -> 6 929.23/297.10 , proper_0(4) -> 6 929.23/297.10 , proper_0(7) -> 6 929.23/297.10 , proper_1(3) -> 12 929.23/297.10 , proper_1(4) -> 12 929.23/297.10 , proper_1(7) -> 12 929.23/297.10 , ok_0(3) -> 7 929.23/297.10 , ok_0(4) -> 7 929.23/297.10 , ok_0(7) -> 7 929.23/297.10 , ok_1(9) -> 2 929.23/297.10 , ok_1(9) -> 9 929.23/297.10 , ok_1(10) -> 5 929.23/297.10 , ok_1(10) -> 10 929.23/297.10 , ok_1(11) -> 6 929.23/297.10 , ok_1(11) -> 12 929.23/297.10 , top_0(3) -> 8 929.23/297.10 , top_0(4) -> 8 929.23/297.10 , top_0(7) -> 8 929.23/297.10 , top_1(12) -> 8 929.23/297.10 , top_2(13) -> 8 } 929.23/297.10 929.23/297.10 Hurray, we answered YES(?,O(n^1)) 929.23/297.16 EOF