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

Make it flat:
   [ h(!cl_2,!cl_13) -> c,
     !cl_13 -> !cl_13,
     h(!cl_12,c) -> !cl_13,
     !cl_11 -> !cl_11,
     f(!cl_9) -> !cl_11,
     !cl_9 -> !cl_9,
     f(c) -> !cl_9,
     f(b) -> !cl_7,
     !cl_5 -> !cl_5,
     h(c,!cl_3) -> !cl_5,
     f(!cl_1) -> !cl_3,
     f(a) -> !cl_1,
     h(c,b) -> !cl_0,
     !cl_0 -> !cl_0,
     !cr_0 -> f(c),
     !cr_1 -> f(!cr_0),
     !cr_2 -> f(!cr_1),
     !cr_3 -> f(!cr_2),
     !cr_4 -> h(b,b),
     !cr_5 -> h(a,!cr_4),
     !cr_6 -> h(!cr_3,!cr_5),
     c -> h(a,!cr_6),
     f(!cl_0) -> !cl_2,
     !cl_2 -> !cl_2,
     h(b,a) -> !cl_4,
     h(!cl_4,a) -> !cl_6,
     f(!cl_6) -> !cl_8,
     h(!cl_5,!cl_7) -> a,
     !cr_7 -> f(a),
     h(c,!cl_8) -> !cl_10,
     !cl_10 -> !cl_10,
     h(!cl_4,!cl_10) -> !cl_12,
     !cl_12 -> !cl_12,
     h(c,!cl_11) -> f(!cr_7) ]
Time: 0.002 [s]

Make it Complete (R^):
   [ h(!cl_2,!cl_13) = h(a,!cr_6),
     h(!cl_2,!cl_13) = c,
     h(!cl_12,c) = !cl_13,
     f(!cr_0) = !cl_11,
     f(!cl_11) = f(!cr_1),
     f(!cl_11) = !cr_2,
     h(c,!cr_1) = f(!cr_7),
     h(c,!cr_1) = f(!cl_1),
     h(c,!cr_1) = h(c,!cl_11),
     h(c,!cr_1) = !cl_3,
     !cl_11 = !cr_1,
     f(!cl_9) = !cl_11,
     f(!cl_9) = f(!cr_0),
     f(!cl_9) = !cr_1,
     !cl_9 = !cr_0,
     f(c) = !cl_9,
     f(b) = !cl_7,
     h(c,!cl_3) = !cl_5,
     f(!cr_7) = !cl_3,
     !cl_3 = h(c,!cl_11),
     f(!cl_1) = !cl_3,
     f(!cl_1) = f(!cr_7),
     f(!cl_1) = h(c,!cl_11),
     !cl_1 = !cr_7,
     f(a) = !cl_1,
     h(c,b) = !cl_0,
     !cr_0 = f(c),
     !cr_1 = f(!cr_0),
     !cr_2 = f(!cr_1),
     !cr_3 = f(!cr_2),
     !cr_4 = h(b,b),
     !cr_5 = h(a,!cr_4),
     !cr_6 = h(!cr_3,!cr_5),
     c = h(a,!cr_6),
     f(!cl_0) = !cl_2,
     h(b,a) = !cl_4,
     h(!cl_4,a) = !cl_6,
     f(!cl_6) = !cl_8,
     h(!cl_5,!cl_7) = a,
     !cr_7 = f(a),
     h(c,!cl_8) = !cl_10,
     h(!cl_4,!cl_10) = !cl_12,
     h(c,!cl_11) = f(!cr_7) ]
Time: 0.007 [s]

CPNF:
   [ !cr_5 … h(a,h(b,b)),
     !cr_4 … h(b,b),
     !cl_3 … !cl_3,
     !cl_1 … !cl_1,
     b … b,
     !cl_6 … !cl_6,
     !cl_7 … !cl_7,
     a … a,
     !cl_8 … !cl_8,
     !cl_4 … !cl_4 ]
Time: 0.001 [s]

Now checking all the pairs in CW...

Time to check pairs: 0.000 [s]

The TRS has Uniqueness of Normal Forms.
Total Time: 0.012 [s]

problems/650.trs: Success(UNC)
real 0.03
user 0.02
sys 0.01