YES(O(1),O(n^1)) We are left with following problem, upon which TcT provides the certificate YES(O(1),O(n^1)). Strict Trs: { f(0()) -> s(0()) , f(s(x)) -> g(s(s(x))) , g(0()) -> s(0()) , g(s(0())) -> s(0()) , g(s(s(x))) -> f(x) } Obligation: innermost runtime complexity Answer: YES(O(1),O(n^1)) We use the processor 'matrix interpretation of dimension 1' to orient following rules strictly. Trs: { f(0()) -> s(0()) , g(0()) -> s(0()) , g(s(0())) -> s(0()) } The induced complexity on above rules (modulo remaining rules) is YES(?,O(n^1)) . These rules are moved into the corresponding weak component(s). Sub-proof: ---------- TcT has computed the following constructor-based matrix interpretation satisfying not(EDA). [f](x1) = [1] x1 + [1] [0] = [0] [s](x1) = [1] x1 + [0] [g](x1) = [1] x1 + [1] This order satisfies the following ordering constraints: [f(0())] = [1] > [0] = [s(0())] [f(s(x))] = [1] x + [1] >= [1] x + [1] = [g(s(s(x)))] [g(0())] = [1] > [0] = [s(0())] [g(s(0()))] = [1] > [0] = [s(0())] [g(s(s(x)))] = [1] x + [1] >= [1] x + [1] = [f(x)] We return to the main proof. We are left with following problem, upon which TcT provides the certificate YES(O(1),O(n^1)). Strict Trs: { f(s(x)) -> g(s(s(x))) , g(s(s(x))) -> f(x) } Weak Trs: { f(0()) -> s(0()) , g(0()) -> s(0()) , g(s(0())) -> s(0()) } Obligation: innermost runtime complexity Answer: YES(O(1),O(n^1)) We use the processor 'matrix interpretation of dimension 1' to orient following rules strictly. Trs: { g(s(s(x))) -> f(x) } The induced complexity on above rules (modulo remaining rules) is YES(?,O(n^1)) . These rules are moved into the corresponding weak component(s). Sub-proof: ---------- TcT has computed the following constructor-based matrix interpretation satisfying not(EDA). [f](x1) = [1] x1 + [3] [0] = [2] [s](x1) = [1] x1 + [1] [g](x1) = [1] x1 + [2] This order satisfies the following ordering constraints: [f(0())] = [5] > [3] = [s(0())] [f(s(x))] = [1] x + [4] >= [1] x + [4] = [g(s(s(x)))] [g(0())] = [4] > [3] = [s(0())] [g(s(0()))] = [5] > [3] = [s(0())] [g(s(s(x)))] = [1] x + [4] > [1] x + [3] = [f(x)] We return to the main proof. We are left with following problem, upon which TcT provides the certificate YES(O(1),O(n^1)). Strict Trs: { f(s(x)) -> g(s(s(x))) } Weak Trs: { f(0()) -> s(0()) , g(0()) -> s(0()) , g(s(0())) -> s(0()) , g(s(s(x))) -> f(x) } Obligation: innermost runtime complexity Answer: YES(O(1),O(n^1)) We use the processor 'matrix interpretation of dimension 1' to orient following rules strictly. Trs: { f(s(x)) -> g(s(s(x))) } The induced complexity on above rules (modulo remaining rules) is YES(?,O(n^1)) . These rules are moved into the corresponding weak component(s). Sub-proof: ---------- TcT has computed the following constructor-based matrix interpretation satisfying not(EDA). [f](x1) = [1] x1 + [3] [0] = [2] [s](x1) = [1] x1 + [1] [g](x1) = [1] x1 + [1] This order satisfies the following ordering constraints: [f(0())] = [5] > [3] = [s(0())] [f(s(x))] = [1] x + [4] > [1] x + [3] = [g(s(s(x)))] [g(0())] = [3] >= [3] = [s(0())] [g(s(0()))] = [4] > [3] = [s(0())] [g(s(s(x)))] = [1] x + [3] >= [1] x + [3] = [f(x)] We return to the main proof. We are left with following problem, upon which TcT provides the certificate YES(O(1),O(1)). Weak Trs: { f(0()) -> s(0()) , f(s(x)) -> g(s(s(x))) , g(0()) -> s(0()) , g(s(0())) -> s(0()) , g(s(s(x))) -> f(x) } Obligation: innermost runtime complexity Answer: YES(O(1),O(1)) Empty rules are trivially bounded Hurray, we answered YES(O(1),O(n^1))