(GOAL COMPLEXITY) (STARTTERM (FUNCTIONSYMBOLS start)) (VAR A B C) (RULES start(A, B, C) -> Com_1(eval(A, B, C)) eval(A, B, C) -> Com_1(eval(A + C, B, C - 2)) [ A >= 0 ] eval(A, B, C) -> Com_1(eval(A + B, B - 2, C + 1)) [ A >= 0 ] )