* Step 1: Sum WORST_CASE(Omega(n^1),?)
    + Considered Problem:
        - Strict TRS:
            f(t(),x,y) -> f(g(x,y),x,s(y))
            g(s(x),0()) -> t()
            g(s(x),s(y)) -> g(x,y)
        - Signature:
            {f/3,g/2} / {0/0,s/1,t/0}
        - Obligation:
            innermost runtime complexity wrt. defined symbols {f,g} and constructors {0,s,t}
    + Applied Processor:
        Sum {left = someStrategy, right = someStrategy}
    + Details:
        ()
* Step 2: DecreasingLoops WORST_CASE(Omega(n^1),?)
    + Considered Problem:
        - Strict TRS:
            f(t(),x,y) -> f(g(x,y),x,s(y))
            g(s(x),0()) -> t()
            g(s(x),s(y)) -> g(x,y)
        - Signature:
            {f/3,g/2} / {0/0,s/1,t/0}
        - Obligation:
            innermost runtime complexity wrt. defined symbols {f,g} and constructors {0,s,t}
    + Applied Processor:
        DecreasingLoops {bound = AnyLoop, narrow = 10}
    + Details:
        The system has following decreasing Loops:
          g(x,y){x -> s(x),y -> s(y)} =
            g(s(x),s(y)) ->^+ g(x,y)
              = C[g(x,y) = g(x,y){}]

WORST_CASE(Omega(n^1),?)