let add_loop_assigns_goal config s (ca, assigns) acc =
let id = WpPropId.mk_loop_assigns_id config.kf s ca assigns in
match id with
None -> acc
| Some id ->
if goal_to_select config id then
let labels = NormAtLabels.labels_loop_assigns s in
let assigns' = NormAtLabels.preproc_assigns labels assigns in
let a_desc = WpPropId.mk_loop_assigns_desc s assigns' in
WpStrategy.add_assigns acc WpStrategy.Agoal id a_desc
else acc