/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- NO The system was reversed. Remains to prove termination of the 1-rule system { b b a a -> a a a a a b b b b b } Loop of length 2 starting with a string of length 6 using right expansion and the encoding {a=b, b=a}: .aabb.bb rule aabb -> bbbbbaaaaa at position 0 .bbbbbaaaaa.bb rule aabb -> bbbbbaaaaa at position 8 .bbbbbaaabbbbbaaaaa.