class intprojection :associate a sat solver variable to a package idint ->object..end
val vartoint : int Common.Util.IntHashtbl.tval inttovar : Common.Util.IntHashtbl.key arrayval mutable counter : intmethod add : Common.Util.IntHashtbl.key -> unitmethod vartoint : Common.Util.IntHashtbl.key -> intmethod inttovar : int -> Common.Util.IntHashtbl.key