YES
(ignored inputs)COMMENT Cops #647 - #721: generated ground TRSs; evenly distributed in the UNR/UNC/NFP/CR hierarchy submitted by: Bertram Felgenhauer
Input:
   [ b -> h(b,c),
     c -> a,
     a -> f(a),
     b -> c,
     b -> b ]

Make it flat:
   [ b -> h(b,c),
     c -> a,
     a -> f(a),
     b -> c,
     b -> b ]
Time: 0.000 [s]

Make it Complete (R^):
   [ h(b,b) = b,
     h(c,c) = b,
     h(b,a) = b,
     h(a,c) = b,
     c = h(b,c),
     a = h(b,c),
     h(b,c) = f(a),
     h(b,c) = f(b),
     h(b,b) = f(c),
     h(c,c) = f(c),
     h(b,a) = f(c),
     f(b) = h(a,c),
     f(a) = h(a,c),
     h(a,b) = f(c),
     h(a,a) = f(c),
     h(a,c) = c,
     h(a,c) = a,
     h(b,b) = h(a,c),
     h(c,c) = h(a,c),
     h(b,a) = h(a,c),
     h(a,b) = h(b,c),
     h(c,c) = h(b,c),
     h(b,b) = h(a,a),
     h(c,c) = h(a,a),
     h(b,a) = h(a,a),
     h(a,c) = h(a,a),
     h(c,a) = h(b,c),
     h(b,a) = h(b,c),
     c = h(a,a),
     a = h(a,a),
     h(c,a) = b,
     h(a,b) = b,
     h(a,a) = f(a),
     h(c,a) = f(b),
     h(a,b) = f(b),
     f(a) = h(b,a),
     h(b,b) = f(b),
     h(b,a) = c,
     h(c,a) = a,
     c = h(b,b),
     h(c,b) = a,
     h(a,b) = a,
     h(b,b) = f(a),
     h(c,a) = h(b,b),
     h(b,c) = h(b,b),
     h(c,b) = h(b,a),
     h(c,a) = h(a,b),
     h(a,a) = h(a,b),
     h(c,b) = h(b,b),
     h(a,c) = h(c,b),
     h(a,a) = h(c,b),
     h(c,b) = h(c,c),
     h(b,b) = h(c,c),
     h(a,c) = h(a,b),
     h(c,a) = h(c,c),
     h(c,a) = h(b,a),
     h(c,c) = f(b),
     c = h(c,c),
     h(c,b) = f(a),
     h(c,a) = f(a),
     b = h(c,b),
     h(c,a) = c,
     h(c,b) = f(b),
     h(a,a) = h(c,a),
     h(c,a) = h(a,c),
     h(c,a) = h(c,b),
     h(c,a) = f(c),
     h(c,b) = h(b,c),
     h(c,b) = f(c),
     h(c,b) = c,
     h(a,b) = c,
     f(a) = h(a,b),
     h(c,c) = f(a),
     h(c,c) = a,
     h(c,c) = h(b,a),
     h(c,c) = h(a,b),
     h(c,b) = h(a,b),
     h(b,b) = h(a,b),
     h(a,b) = h(b,a),
     h(b,b) = h(b,a),
     h(b,b) = a,
     h(b,a) = a,
     h(b,a) = f(b),
     h(a,a) = f(b),
     h(a,a) = b,
     h(a,a) = h(b,c),
     h(a,c) = h(b,c),
     h(a,c) = f(c),
     h(b,c) = f(c),
     b = h(b,c),
     f(c) = a,
     c = f(a),
     f(b) = a,
     f(c) = b,
     f(c) = c,
     c = f(b),
     f(c) = f(b),
     f(c) = f(a),
     f(b) = f(a),
     f(b) = b,
     b = f(a),
     a = b,
     c = a,
     a = f(a),
     b = c ]
Time: 0.221 [s]

CPNF:
   [  ]
Time: 0.000 [s]

Now checking all the pairs in CW...

Time to check pairs: 0.000 [s]

The TRS has Uniqueness of Normal Forms.
Total Time: 0.223 [s]

problems/677.trs: Success(UNC)
real 0.24
user 0.23
sys 0.00