NO
Rewrite Rules:
   [ W(B(?x)) -> I(?x),
     B(S(?x)) -> S(?x),
     W(?x) -> I(?x) ]
Apply Direct Methods...
Inner CPs:
   [ W(S(?x_1)) = I(S(?x_1)) ]
Outer CPs:
   [ I(?x) = I(B(?x)) ]
not Overlay, check Termination...
Terminating, not WCR
Knuth & Bendix
Direct Methods: not CR

Final result: not CR
95.trs: Success(not CR)
(0 msec.)