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