TRS: { le(s(x), 0()) -> false(), le(0(), y) -> true(), le(s(x), s(y)) -> le(x, y), double(0()) -> 0(), double(s(x)) -> s(s(double(x))), log(0()) -> logError(), log(s(x)) -> loop(s(x), s(0()), 0()), loop(x, s(y), z) -> if(le(x, s(y)), x, s(y), z), if(true(), x, y, z) -> z, if(false(), x, y, z) -> loop(x, double(y), s(z))} Fail