(GOAL COMPLEXITY) (STARTTERM (FUNCTIONSYMBOLS start)) (VAR A B) (RULES start(A, B) -> Com_1(eval(A, B)) eval(A, B) -> Com_1(eval(A, B - 1)) [ A + B >= 1 /\ 0 >= A /\ B >= 1 ] eval(A, B) -> Com_1(eval(A - 1, B)) [ A + B >= 1 /\ A >= 1 ] )