(GOAL COMPLEXITY)
(STARTTERM (FUNCTIONSYMBOLS f3))
(VAR A B C D)
(RULES
  f2(A,B,C) -> Com_1(f2(A + B,B,C)) :|: A + B >= 0
  f3(A,B,C) -> Com_1(f2(A,B,C))
  f2(A,B,C) -> Com_1(f300(A + B,B,D)) :|: 0 >= 1 + A + B
)