(GOAL COMPLEXITY) (STARTTERM (FUNCTIONSYMBOLS f3)) (VAR A B C) (RULES f2(A, B, C) -> Com_1(f2(A - 1, B, C)) [ B - 21 >= 0 /\ A >= 31 ] f2(A, B, C) -> Com_1(f300(A, B - 1, C)) [ B - 21 >= 0 /\ 30 >= A ] f300(A, B, C) -> Com_1(f2(A, B, C)) [ B >= 21 ] f300(A, B, C) -> Com_1(f1(A, B, D)) [ 20 >= B ] f3(A, B, C) -> Com_1(f300(A, B, C)) )