Input TRS:
    1: f(0()) -> cons(0(),n__f(s(0())))
    2: f(s(0())) -> f(p(s(0())))
    3: p(s(X)) -> X
    4: f(X) -> n__f(X)
    5: activate(n__f(X)) -> f(X)
    6: activate(X) -> X
Number of Rules: 6
Direct POLO(Sum) ... removes: 6 5 4 3 1
	I(0) = 0
	I(f) = x1 + 2
	I(p) = x1
	I(s) = x1 + 1
	I(activate) = x1 + 3
	I(n__f) = x1
	I(cons) = x1 + x2
Number of Rules: 1
Direct POLO(Sum) ...Direct QLPOS ...Direct QKBOS ... failed.