YES Succeeded in reading "/export/starexec/sandbox/benchmark/theBenchmark.ari". (CONDITIONTYPE ORIENTED) (VAR y xs ys x x4 x3) (RULES isnoc(cons(y,nil)) -> tp2(nil,y) isnoc(cons(x,ys)) -> tp2(cons(x,xs),y) | isnoc(ys) == tp2(xs,y) ) No "->="-rules. Decomposed conditions and removed infeasible rules if possible. (CONDITIONTYPE ORIENTED) (VAR y xs ys x x4 x3) (RULES isnoc(cons(y,nil)) -> tp2(nil,y) isnoc(cons(x,ys)) -> tp2(cons(x,xs),y) | isnoc(ys) == tp2(xs,y) ) (VAR x4 x3) (CONDITION isnoc(nil) == tp2(x3,x4) ) Optimized the infeasibility problem if possible. (VAR x4 x3) (CONDITION isnoc(nil) == tp2(x3,x4) ) This is ultra-RL and deterministic. This is not operationally terminating and confluent. This is a constructor-based system. (RTG_of_NARROWINGTREE (START Gamma[isnoc(nil) == tp2(x3,x4) : { e, 1, 1.1 }] ) (NONTERMINALS Gamma[isnoc(nil) == tp2(x3,x4) : { e, 1, 1.1 }] ) (RULES Gamma[isnoc(nil) == tp2(x3,x4) : { e, 1, 1.1 }] -> EmptySet ) ) YES