(GOAL COMPLEXITY)
(STARTTERM (FUNCTIONSYMBOLS l0))
(VAR A B C F )
(RULES
  l0(A,B,C,F) -> Com_1(l1(A,B,C,F))
  l1(A,B,C,F) -> Com_1(l1(A + B,B + C,C - 1,F)) :|: A >= 1
  l1(A,B,C,F) -> Com_1(l2(A,B,C,F - 1)) :|: 0 >= A
  l2(A,B,C,F) -> Com_1(l1(F,F,F,F)) :|: F >= 1

)