function ann: lns(var int: obj, array[int] of var int: vars,
                  int: iterations, float: destr_rate, int: explore_time) =
  repeat (i in 1..iterations) (
    scope(
      if has_sol() then
        post(uniform_neighbourhood(vars, destr_rate))
      endif
      /\ time_limit(explore_time, minimize_bab(obj))
      /\ commit()
      /\ print()
    )
    /\ post(obj < sol(obj))
  );