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