Input TRS:
    1: +(*(x,y),*(x,z)) -> *(x,+(y,z))
    2: +(+(x,y),z) -> +(x,+(y,z))
    3: +(*(x,y),+(*(x,z),u())) -> +(*(x,+(y,z)),u())
Number of Rules: 3
Direct POLO(Sum) ... removes: 3 1
	I(*) = x1 + x2 + 1
	I(+) = x1 + x2
	I(u) = 0
Number of Rules: 1
Direct POLO(Sum) ...Direct QLPOS ... removes: 2
	sigma(+) = [1,2]
    PREC: +
Number of Rules: 0