YES
(ignored inputs)COMMENT TPDB SRS_Standard/Trafo_06/un02
input TRS:
   [ b(a(a(b(b(?x))))) -> b(a(a(a(a(b(b(?x))))))),
     b(a(b(b(?x)))) -> b(b(?x)),
     b(a(b(a(a(a(a(b(?x)))))))) -> b(a(a(a(a(b(a(a(a(a(b(a(b(a(a(a(b(a(a(a(a(b(?x)))))))))))))))))))))),
     b(a(a(b(a(a(a(a(b(?x))))))))) -> b(a(b(a(a(b(a(a(a(b(a(a(a(a(b(?x))))))))))))))),
     b(a(a(a(b(a(a(a(a(b(?x)))))))))) -> b(?x) ]
TRS:
   [ b(a(a(b(b(?x))))) -> b(a(a(a(a(b(b(?x))))))),
     b(a(b(b(?x)))) -> b(b(?x)),
     b(a(b(a(a(a(a(b(?x)))))))) -> b(a(a(a(a(b(a(a(a(a(b(a(b(a(a(a(b(a(a(a(a(b(?x)))))))))))))))))))))),
     b(a(a(b(a(a(a(a(b(?x))))))))) -> b(a(b(a(a(b(a(a(a(b(a(a(a(a(b(?x))))))))))))))),
     b(a(a(a(b(a(a(a(a(b(?x)))))))))) -> b(?x) ]
confluent TRS:
   [ b(a(a(b(b(?x))))) -> b(a(a(a(a(b(b(?x))))))),
     b(a(b(b(?x)))) -> b(b(?x)),
     b(a(b(a(a(a(a(b(?x)))))))) -> b(a(a(a(a(b(a(a(a(a(b(a(b(a(a(a(b(a(a(a(a(b(?x)))))))))))))))))))))),
     b(a(a(b(a(a(a(a(b(?x))))))))) -> b(a(b(a(a(b(a(a(a(b(a(a(a(a(b(?x))))))))))))))),
     b(a(a(a(b(a(a(a(a(b(?x)))))))))) -> b(?x) ]
UNC Completion (Strongly Closed)
problems/978.trs: Success(UNC)
(8 msec.)