/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- NO The system was reversed. Remains to prove termination of the 4-rule system { a -> , b a -> , b a -> a a c b , c c -> b } Loop of length 10 starting with a string of length 8 using right expansion and the encoding {a=a, b=b, c=c}: .ba.aaacaa rule ba -> aacb at position 0 .aacb.aaacaa rule ba -> aacb at position 3 .aacaacb.aacaa rule a -> at position 3 .aacacb.aacaa rule a -> at position 3 .aaccb.aacaa rule cc -> b at position 2 .aabb.aacaa rule ba -> aacb at position 3 .aabaacb.acaa rule ba -> at position 6 .aabaac.caa rule cc -> b at position 5 .aabaab.aa rule ba -> aacb at position 5 .aabaaaacb.a rule ba -> aacb at position 8 .aabaaaacaacb.