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)) ]
constructed 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)),
     b(b(c(?x_5))) -> c(c(c(?x_5))),
     a(b(c(?x_5))) -> c(c(c(?x_5))),
     a(c(a(?x))) -> b(b(b(?x))),
     c(c(a(?x))) -> a(b(b(?x))),
     a(b(b(?x_1))) -> c(c(a(?x_1))),
     a(a(b(?x_2))) -> c(c(a(?x_2))),
     a(a(b(?x_4))) -> c(c(b(?x_4))),
     a(b(b(?x_6))) -> c(c(b(?x_6))) ]
convertible distinct normal forms: c(c(c(c(?x_5)))) = b(c(c(c(?x_5))))
UNC Completion (Strongly Closed)
problems/997.trs: Success(not UNC)
(12 msec.)