(GOAL COMPLEXITY) (STARTTERM (FUNCTIONSYMBOLS start)) (VAR A B) (RULES eval1(A,B) -> Com_1(eval2(A,0)) :|: A >= 0 eval2(A,B) -> Com_1(eval2(A,B + 1)) :|: A >= 1 + B eval2(A,B) -> Com_1(eval1(A - 1,B)) :|: B >= A start(A,B) -> Com_1(eval1(A,B)) )