Input TRS:
    1: p(0(),y) -> y
    2: p(s(x),y) -> s(p(x,y))
   e1: p(x,y) ->= p(x,s(y))	[relative]
Number of Rules: 2
Direct POLO(Sum) ... removes: 1
	I(s) = x1
	I(p) = x1 + x2
	I(0) = 1
Number of Rules: 1
Direct POLO(Sum) ...Direct Mat2b ... removes: 2
	I(s) = x1 + [0;1]
	I(p) = [1,1;0,1] * x1 + [1,0;0,0] * x2 + [1;1]
Number of Rules: 0