======================================================== The given Problem was: 0 0 0 0 -> 0 1 1 0 1 0 0 1 -> 0 0 1 0 ======================================================== A self-embedding rewrite structure for the given SRS is: 0 0 0 0 0 1 0 1 0 1 0 0 --(15)-> 0 0 0 0 0 1 0 1 0 1 0 0 (#28065) OC+OC at 3 OC: 0 0 0 0 0 1 0 1 0 1 0 0 --(14)-> 0 0 0 1 0 0 1 1 0 1 0 0 (#19389) OC+OC at 1 OC: 0 0 0 0 0 1 0 1 0 1 0 0 --(13)-> 0 1 0 0 1 0 1 1 0 1 0 0 (#3219) OC+OC at 2 OC: 0 0 0 0 --(1)-> 0 1 1 0 (#1) Rule OC: 1 0 0 1 0 1 0 1 0 0 --(12)-> 0 0 1 0 1 1 0 1 0 0 (#2993) OC+OC at 3 OC: 1 0 0 1 0 1 0 1 0 0 --(11)-> 0 0 1 0 0 0 0 1 0 0 (#2000) OC+OC at 5 OC: 1 0 0 1 0 1 0 1 0 0 --(10)-> 0 0 1 0 0 1 0 0 1 0 (#1494) OC+OC at 3 OC: 1 0 0 1 0 1 0 1 0 0 --(9)-> 0 0 1 1 0 0 1 0 1 0 (#1096) OC+OC at 1 OC: 1 0 0 1 0 1 0 1 0 0 --(8)-> 0 0 0 0 0 0 1 0 1 0 (#816) OC+OC at 4 OC: 1 0 0 1 0 1 0 1 0 0 --(7)-> 0 0 0 0 1 0 0 1 1 0 (#171) OC+OC at 6 OC: 1 0 0 1 0 1 0 1 --(6)-> 0 0 0 0 1 0 0 0 (#131) OC+OC at 2 OC: 1 0 0 1 0 1 0 1 --(5)-> 0 0 1 0 0 1 0 0 (#101) OC+OC at 3 OC: 1 0 0 1 0 1 0 1 --(4)-> 0 0 1 1 0 0 1 0 (#54) OC+OC at 1 OC: 1 0 0 1 0 1 0 1 --(3)-> 0 0 0 0 0 0 1 0 (#9) OC+OC at 2 OC: 1 0 0 1 --(1)-> 0 0 1 0 (#2) Rule OC: 1 0 0 1 0 1 --(2)-> 0 0 0 0 1 0 (#6) OC+OC at 2 OC: 1 0 0 1 --(1)-> 0 0 1 0 (#2) Rule OC: 1 0 0 1 --(1)-> 0 0 1 0 (#2) Rule OC: 0 0 0 0 --(1)-> 0 1 1 0 (#1) Rule OC: 1 0 0 1 --(1)-> 0 0 1 0 (#2) Rule OC: 1 0 0 1 --(1)-> 0 0 1 0 (#2) Rule OC: 0 0 0 0 --(1)-> 0 1 1 0 (#1) Rule OC: 1 0 0 1 --(1)-> 0 0 1 0 (#2) Rule OC: 0 0 0 0 --(1)-> 0 1 1 0 (#1) Rule OC: 1 0 0 1 --(1)-> 0 0 1 0 (#2) Rule OC: 1 0 0 1 --(1)-> 0 0 1 0 (#2) Rule OC: 0 0 0 0 --(1)-> 0 1 1 0 (#1) Rule OC: 1 0 0 1 --(1)-> 0 0 1 0 (#2) Rule OC: 1 0 0 1 --(1)-> 0 0 1 0 (#2) Rule Hence, the SRS is non-terminating.