(GOAL COMPLEXITY) (STARTTERM (FUNCTIONSYMBOLS f0)) (VAR A B C) (RULES f0(A, B, C) -> Com_1(f2(A, B, C)) [ A >= 0 /\ B >= C ] f2(A, B, C) -> Com_1(f2(A - 1, B, C - 1)) [ B - C >= 0 /\ A >= 0 /\ A >= 1 /\ B + 1 >= C ] f2(A, B, C) -> Com_1(f2(A, B + C - 1, C - 1)) [ B - C >= 0 /\ A >= 0 /\ B >= 0 ] )