0.00/0.32 NO 0.00/0.32 0.00/0.32 0.00/0.32 The system was reversed. 0.00/0.32 0.00/0.32 Remains to prove termination of the 2-rule system 0.00/0.32 { a a -> b , 0.00/0.32 c b a -> a a a c c a } 0.00/0.32 0.00/0.32 0.00/0.32 Loop of length 16 starting with a string of length 9 using right expansion 0.00/0.32 and the encoding {a=a, b=b, c=c}: 0.00/0.32 0.00/0.32 .cba.aaaaaa 0.00/0.32 rule cba -> aaacca at position 0 0.00/0.32 .aaacca.aaaaaa 0.00/0.32 rule aa -> b at position 5 0.00/0.32 .aaaccb.aaaaa 0.00/0.32 rule cba -> aaacca at position 4 0.00/0.32 .aaacaaacca.aaaa 0.00/0.32 rule aa -> b at position 4 0.00/0.32 .aaacbacca.aaaa 0.00/0.32 rule aa -> b at position 8 0.00/0.32 .aaacbaccb.aaa 0.00/0.32 rule cba -> aaacca at position 7 0.00/0.32 .aaacbacaaacca.aa 0.00/0.32 rule aa -> b at position 7 0.00/0.32 .aaacbacbacca.aa 0.00/0.32 rule cba -> aaacca at position 6 0.00/0.32 .aaacbaaaaccacca.aa 0.00/0.32 rule aa -> b at position 14 0.00/0.32 .aaacbaaaaccaccb.a 0.00/0.32 rule cba -> aaacca at position 13 0.00/0.32 .aaacbaaaaccacaaacca. 0.00/0.32 rule aa -> b at position 13 0.00/0.32 .aaacbaaaaccacbacca. 0.00/0.32 rule cba -> aaacca at position 12 0.00/0.32 .aaacbaaaaccaaaaccacca. 0.00/0.32 rule aa -> b at position 11 0.00/0.32 .aaacbaaaaccbaaccacca. 0.00/0.32 rule cba -> aaacca at position 10 0.00/0.32 .aaacbaaaacaaaccaaccacca. 0.00/0.32 rule aa -> b at position 10 0.00/0.32 .aaacbaaaacbaccaaccacca. 0.00/0.32 rule cba -> aaacca at position 9 0.00/0.32 .aaacbaaaaaaaccaccaaccacca. 0.00/0.37 EOF