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

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