StructDomain.Arginclude Lattice.Sinclude Lattice.POwiden x y assumes leq x y. Solvers guarantee this by calling widen old (join old new).
val is_bot_value : t -> boolval is_top_value : t -> GoblintCil.typ -> boolval top_value : ?varAttr:GoblintCil.attributes -> GoblintCil.typ -> t