(GOAL COMPLEXITY) (STARTTERM (FUNCTIONSYMBOLS f3)) (VAR A B C) (RULES f1(A, B, C) -> Com_1(f1(A, B + 1, C)) [ B - C - 1 >= 0 /\ A >= B + 1 ] f3(A, B, C) -> Com_1(f1(A, B, C)) [ B >= C + 1 ] f1(A, B, C) -> Com_1(f1(A, B, C + 1)) [ B - C - 1 >= 0 /\ B >= C + 2 /\ B >= A ] )