NO
(ignored inputs)COMMENT submitted by: Johannes Waldmann
input TRS:
   [ b(b(?x)) -> c(a(?x)),
     c(a(?x)) -> b(b(?x)),
     c(a(?x)) -> a(b(?x)),
     a(b(?x)) -> b(b(?x)),
     c(b(?x)) -> a(b(?x)),
     a(c(?x)) -> c(c(?x)),
     c(b(?x)) -> b(b(?x)) ]
TRS:
   [ b(b(?x)) -> c(a(?x)),
     c(a(?x)) -> b(b(?x)),
     c(a(?x)) -> a(b(?x)),
     a(b(?x)) -> b(b(?x)),
     c(b(?x)) -> a(b(?x)),
     a(c(?x)) -> c(c(?x)),
     c(b(?x)) -> b(b(?x)) ]
unknown Non-Omega-Overlapping
unknown Right-Reducible
Check distinct normal forms in critical pair closure...failed
convertible distinct normal forms: c(c(c(c(?x_5)))) = b(c(c(c(?x_5))))
UNC Completion (General)
problems/997.trs: Success(not UNC)
(4 msec.)