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: { half(0()) -> 0() , half(s(s(x))) -> s(half(x)) , log(s(0())) -> 0() , log(s(s(x))) -> s(log(s(half(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: { log(s(0())) -> 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). [half](x1) = [1] x1 + [0] [0] = [0] [s](x1) = [1] x1 + [0] [log](x1) = [2] x1 + [1] This order satisfies the following ordering constraints: [half(0())] = [0] >= [0] = [0()] [half(s(s(x)))] = [1] x + [0] >= [1] x + [0] = [s(half(x))] [log(s(0()))] = [1] > [0] = [0()] [log(s(s(x)))] = [2] x + [1] >= [2] x + [1] = [s(log(s(half(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: { half(0()) -> 0() , half(s(s(x))) -> s(half(x)) , log(s(s(x))) -> s(log(s(half(x)))) } Weak Trs: { log(s(0())) -> 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: { half(s(s(x))) -> s(half(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). [half](x1) = [1] x1 + [0] [0] = [0] [s](x1) = [1] x1 + [1] [log](x1) = [1] x1 + [3] This order satisfies the following ordering constraints: [half(0())] = [0] >= [0] = [0()] [half(s(s(x)))] = [1] x + [2] > [1] x + [1] = [s(half(x))] [log(s(0()))] = [4] > [0] = [0()] [log(s(s(x)))] = [1] x + [5] >= [1] x + [5] = [s(log(s(half(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: { half(0()) -> 0() , log(s(s(x))) -> s(log(s(half(x)))) } Weak Trs: { half(s(s(x))) -> s(half(x)) , log(s(0())) -> 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: { log(s(s(x))) -> s(log(s(half(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). [half](x1) = [1] x1 + [0] [0] = [0] [s](x1) = [1] x1 + [1] [log](x1) = [2] x1 + [0] This order satisfies the following ordering constraints: [half(0())] = [0] >= [0] = [0()] [half(s(s(x)))] = [1] x + [2] > [1] x + [1] = [s(half(x))] [log(s(0()))] = [2] > [0] = [0()] [log(s(s(x)))] = [2] x + [4] > [2] x + [3] = [s(log(s(half(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: { half(0()) -> 0() } Weak Trs: { half(s(s(x))) -> s(half(x)) , log(s(0())) -> 0() , log(s(s(x))) -> s(log(s(half(x)))) } Obligation: innermost runtime complexity Answer: YES(O(1),O(n^1)) We use the processor 'matrix interpretation of dimension 2' to orient following rules strictly. Trs: { half(0()) -> 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) and not(IDA(1)). [half](x1) = [1 0] x1 + [1] [0 1] [0] [0] = [0] [0] [s](x1) = [1 2] x1 + [0] [0 0] [1] [log](x1) = [2 0] x1 + [0] [0 0] [1] This order satisfies the following ordering constraints: [half(0())] = [1] [0] > [0] [0] = [0()] [half(s(s(x)))] = [1 2] x + [3] [0 0] [1] > [1 2] x + [1] [0 0] [1] = [s(half(x))] [log(s(0()))] = [0] [1] >= [0] [0] = [0()] [log(s(s(x)))] = [2 4] x + [4] [0 0] [1] >= [2 4] x + [4] [0 0] [1] = [s(log(s(half(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: { half(0()) -> 0() , half(s(s(x))) -> s(half(x)) , log(s(0())) -> 0() , log(s(s(x))) -> s(log(s(half(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))