* Step 1: Sum WORST_CASE(Omega(n^1),?)
    + Considered Problem:
        - Strict TRS:
            activate(X) -> X
            activate(n__cons(X1,X2)) -> cons(activate(X1),X2)
            activate(n__from(X)) -> from(activate(X))
            activate(n__nil()) -> nil()
            activate(n__s(X)) -> s(activate(X))
            cons(X1,X2) -> n__cons(X1,X2)
            from(X) -> cons(X,n__from(n__s(X)))
            from(X) -> n__from(X)
            length(n__cons(X,Y)) -> s(length1(activate(Y)))
            length(n__nil()) -> 0()
            length1(X) -> length(activate(X))
            nil() -> n__nil()
            s(X) -> n__s(X)
        - Signature:
            {activate/1,cons/2,from/1,length/1,length1/1,nil/0,s/1} / {0/0,n__cons/2,n__from/1,n__nil/0,n__s/1}
        - Obligation:
            innermost runtime complexity wrt. defined symbols {activate,cons,from,length,length1,nil
            ,s} and constructors {0,n__cons,n__from,n__nil,n__s}
    + Applied Processor:
        Sum {left = someStrategy, right = someStrategy}
    + Details:
        ()
* Step 2: DecreasingLoops WORST_CASE(Omega(n^1),?)
    + Considered Problem:
        - Strict TRS:
            activate(X) -> X
            activate(n__cons(X1,X2)) -> cons(activate(X1),X2)
            activate(n__from(X)) -> from(activate(X))
            activate(n__nil()) -> nil()
            activate(n__s(X)) -> s(activate(X))
            cons(X1,X2) -> n__cons(X1,X2)
            from(X) -> cons(X,n__from(n__s(X)))
            from(X) -> n__from(X)
            length(n__cons(X,Y)) -> s(length1(activate(Y)))
            length(n__nil()) -> 0()
            length1(X) -> length(activate(X))
            nil() -> n__nil()
            s(X) -> n__s(X)
        - Signature:
            {activate/1,cons/2,from/1,length/1,length1/1,nil/0,s/1} / {0/0,n__cons/2,n__from/1,n__nil/0,n__s/1}
        - Obligation:
            innermost runtime complexity wrt. defined symbols {activate,cons,from,length,length1,nil
            ,s} and constructors {0,n__cons,n__from,n__nil,n__s}
    + Applied Processor:
        DecreasingLoops {bound = AnyLoop, narrow = 10}
    + Details:
        The system has following decreasing Loops:
          activate(x){x -> n__cons(x,y)} =
            activate(n__cons(x,y)) ->^+ cons(activate(x),y)
              = C[activate(x) = activate(x){}]

WORST_CASE(Omega(n^1),?)