Input TRS:
    1: min(x,0()) -> 0()
    2: min(0(),y) -> 0()
    3: min(s(x),s(y)) -> s(min(x,y))
    4: max(x,0()) -> x
    5: max(0(),y) -> y
    6: max(s(x),s(y)) -> s(max(x,y))
    7: -(x,0()) -> x
    8: -(s(x),s(y)) -> -(x,y)
    9: gcd(s(x),s(y)) -> gcd(-(max(x,y),min(x,y)),s(min(x,y)))
    10: gcd(s(x),0()) -> s(x)
    11: gcd(0(),s(y)) -> s(y)
   e1: min(x,y) ->= min(y,x)	[relative]
   e2: max(x,y) ->= max(y,x)	[relative]
Number of Rules: 11
Direct Mat2b ... failed.