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