(GOAL COMPLEXITY) (STARTTERM (FUNCTIONSYMBOLS f0)) (VAR A B C D E) (RULES f0(A,B,C) -> Com_1(f5(0,0,C)) f5(A,B,C) -> Com_1(f5(A + 1,B + 2,D + E)) f5(A,B,C) -> Com_1(f16(A,B,C)) )