0.00/0.25 NO 0.00/0.25 0.00/0.25 0.00/0.25 The system was reversed. 0.00/0.25 0.00/0.25 Remains to prove termination of the 1-rule system 0.00/0.25 { a b a c -> a c c b a b a } 0.00/0.25 0.00/0.25 0.00/0.25 Loop of length 4 starting with a string of length 8 using right expansion 0.00/0.25 and the encoding {a=a, b=b, c=c}: 0.00/0.25 0.00/0.25 .abac.bacc 0.00/0.25 rule abac -> accbaba at position 0 0.00/0.25 .accbaba.bacc 0.00/0.25 rule abac -> accbaba at position 6 0.00/0.25 .accbabaccbaba.c 0.00/0.25 rule abac -> accbaba at position 4 0.00/0.25 .accbaccbabacbaba.c 0.00/0.25 rule abac -> accbaba at position 13 0.00/0.25 .accbaccbabacbaccbaba. 0.00/0.29 EOF