VarQuerySourceQueries for constraint variables related to semantic elements.
type t = | Global of GoblintCil.Cil.varinfo| Node of {node : Node.t;fundec : GoblintCil.Cil.fundec option;}Optional fundec override to allow querying old state in incremental.
Takes a Cil.file and a list of names of globals.contents Returns a list of VarQuery.ts of globals whose vname is contained in the argument list, and the list of names for which no global with the name could be found.