sig
val addr : WpModel.mem -> Cil_types.lval -> WpModel.loc
val expr : WpModel.mem -> Cil_types.exp -> WpModel.value
val cond : WpModel.mem -> Cil_types.exp -> WpModel.F.boolean
val prop : WpModel.mem -> Cil_types.exp -> WpModel.F.pred
val expr_cast :
Cil_types.typ -> Cil_types.typ -> WpModel.value -> WpModel.value
end