/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 4-rule system { a -> , a -> b , c a b -> a b a c c , c -> } Loop of length 8 starting with a string of length 7 using right expansion and the encoding {a=a, b=b, c=c}: .cab.abab rule cab -> abacc at position 0 .abacc.abab rule cab -> abacc at position 4 .abacabacc.ab rule a -> at position 6 .abacabcc.ab rule cab -> abacc at position 7 .abacabcabacc. rule cab -> abacc at position 6 .abacababaccacc. rule c -> at position 9 .abacababacacc. rule c -> at position 9 .abacababaacc. rule a -> b at position 9 .abacabababcc.