(GOAL COMPLEXITY) (STARTTERM (FUNCTIONSYMBOLS f2)) (VAR A B C D E) (RULES f1(A,B,C) -> Com_1(f3(A,D,C)) :|: A >= 500 f1(A,B,C) -> Com_1(f1(1 + A,B,C)) :|: 499 >= A f2(A,B,C) -> Com_1(f3(E,D,E)) :|: E >= 500 f2(A,B,C) -> Com_1(f1(1 + D,B,D)) :|: 499 >= D )