Input TRS:
    1: topB(i,N1(x),y) -> topA(1(),T1(x),y)
    2: topA(i,x,N2(y)) -> topB(0(),x,T2(y))
    3: topB(i,S1(x),y) -> topA(i,N1(x),y)
    4: topA(i,x,S2(y)) -> topB(i,x,N2(y))
    5: topA(i,N1(x),T2(y)) -> topB(i,N1(x),S2(y))
    6: topA(1(),T1(x),T2(y)) -> topB(1(),T1(x),S2(y))
   e1: topA(i,N1(x),y) ->= topA(1(),T1(x),y)	[relative]
   e2: topB(i,x,N2(y)) ->= topB(0(),x,T2(y))	[relative]
   e3: topA(i,S1(x),y) ->= topA(i,N1(x),y)	[relative]
   e4: topB(i,x,S2(y)) ->= topB(i,x,N2(y))	[relative]
   e5: topB(i,N1(x),T2(y)) ->= topB(i,N1(x),S2(y))	[relative]
   e6: topB(1(),T1(x),T2(y)) ->= topB(1(),T1(x),S2(y))	[relative]
   e7: topA(i,N1(x),y) ->= topA(i,N1(C(x)),y)	[relative]
   e8: topB(i,x,N2(y)) ->= topB(i,x,N2(C(y)))	[relative]
   e9: topA(i,T1(x),y) ->= topA(i,T1(x),y)	[relative]
   e10: topB(i,x,T2(y)) ->= topB(i,x,T2(y))	[relative]
   e11: topB(i,x,S2(y)) ->= topB(i,x,S2(D(y)))	[relative]
Removing trivial relative rule e9.
Removing trivial relative rule e10.
Number of Rules: 6
Direct POLO(Sum) ... removes: 4 1 3 5 6 2 e3 e1
	I(1) = 0
	I(T1) = x1
	I(S1) = x1 + 4
	I(topB) = x1 + x2 + x3
	I(T2) = x1
	I(D) = x1
	I(C) = x1
	I(0) = 0
	I(topA) = x1 + x2 + x3 + 1
	I(N2) = x1
	I(N1) = x1 + 2
	I(S2) = x1
Number of Rules: 0