proofs/containers/doubly_linked_list/ins.bend checks

import Base
import ../../lib/logic.bend as L
import ../../lib/nat.bend as N
import ../../lib/u32.bend as U
import ../../lib/u32alg.bend as A
import ../../lib/array.bend as AR
import ../../lib/list.bend as LL
import ../../../spec/lib/common.bend as SC
import ../../../spec/containers/doubly_linked_list.bend as S
import ../../lib/u32div.bend as UD
import ../../../src/containers/doubly_linked_list.bend as D
import ../../../src/containers/internal/dlist_storage.bend as R
import ../../../src/containers/types/internal_dlist.bend as I
import ../../../src/containers/types/doubly_linked_list.bend as E
import ./state.bend as ST
import ./rel.bend as RL
import ./link.bend as LN
import ./ok.bend as OK
import ./insp.bend as IP
import ./insf.bend as IF
import ./grow.bend as GR
import ../../lib/links.bend as LK