Input TRS:
    1: f(x,f(s(s(y)),f(z,w))) -> f(s(x),f(y,f(s(z),w)))
    2: L(f(s(s(y)),f(z,w))) -> L(f(s(0()),f(y,f(s(z),w))))
    3: f(x,f(s(s(y)),nil())) -> f(s(x),f(y,f(s(0()),nil())))
Number of Rules: 3
Direct QWPOS(max) ... failed.