NO
Rewrite Rules:
   [ F(?x,?x) -> A,
     F(?x,G(?x)) -> B,
     C -> G(C) ]
Apply Direct Methods...
Inner CPs:
   [  ]
Outer CPs:
   [  ]
Overlay, check Innermost Termination...
unknown Innermost Terminating
not Left-Linear, Right-Linear
unknown Ohta&Oyamaguchi&Toyama
unknown Gomi&Oyamaguchi&Ohta
check Non-Confluence...Find Non-Joinable CP reducts: <A, B> from F(C,C)
Not Confluent
Direct Methods: not CR

Final result: not CR
46.trs: NO (4 msec.)