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

Make it flat:
   [ h(!cl_0,b) -> b,
     !cl_0 -> !cl_0,
     h(c,a) -> !cl_0,
     a -> a,
     a -> h(a,b) ]
Time: 0.000 [s]

Make it Complete (R^):
   [ h(!cl_0,b) = b,
     h(c,a) = !cl_0,
     a = h(a,b) ]
Time: 0.000 [s]

CPNF:
   [ c … c,
     b … b ]
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: 0.001 [s]

problems/697.trs: Success(UNC)
real 0.02
user 0.00
sys 0.01