MAYBE
(ignored inputs)COMMENT TPDB SRS_Standard/Trafo_06/un14
input TRS:
   [ b(a(b(?x))) -> b(a(a(a(b(?x))))),
     b(a(a(a(b(a(a(b(?x)))))))) -> b(a(a(b(a(a(b(a(a(a(b(b(?x)))))))))))),
     b(a(a(a(b(a(a(a(b(?x))))))))) -> b(?x),
     b(a(a(a(b(b(b(?x))))))) -> b(b(b(a(a(a(b(?x))))))),
     b(a(a(b(b(?x))))) -> b(?x),
     b(b(a(a(b(?x))))) -> b(?x),
     b(a(a(a(b(a(b(?x))))))) -> b(?x),
     b(a(b(a(a(a(b(?x))))))) -> b(?x) ]
TRS:
   [ b(a(b(?x))) -> b(a(a(a(b(?x))))),
     b(a(a(a(b(a(a(b(?x)))))))) -> b(a(a(b(a(a(b(a(a(a(b(b(?x)))))))))))),
     b(a(a(a(b(a(a(a(b(?x))))))))) -> b(?x),
     b(a(a(a(b(b(b(?x))))))) -> b(b(b(a(a(a(b(?x))))))),
     b(a(a(b(b(?x))))) -> b(?x),
     b(b(a(a(b(?x))))) -> b(?x),
     b(a(a(a(b(a(b(?x))))))) -> b(?x),
     b(a(b(a(a(a(b(?x))))))) -> b(?x) ]
unknown UNC Completion (Development Closed)
problems/939.trs: Failure(unknown UNC)
(2108 msec.)