NO
(ignored inputs)COMMENT reduction failed
Rewrite Rules:
   [ h(b,a) -> a,
     a -> c,
     h(c,c) -> a,
     f(b) -> c ]
Apply Direct Methods...
Inner CPs:
   [ h(b,c) = a ]
Outer CPs:
   [  ]
not Overlay, check Termination...
Terminating, not WCR
Knuth & Bendix
Direct Methods: not CR

Combined result: not CR
/tmp/filekBF6zl.trs: Success(not CR)
(0 msec.)