Fix the issue where literal strings in the code were not replaced by the

variables (which point to literal strings) generated by E-ACSL

src/plugins/e-acsl/visit.ml

@@ -719,10 +719,20 @@ you must call function `%s' and `__e_acsl_memory_clean by yourself.@]"
     in
     if generate then Cil.DoChildrenPost handle_memory else Cil.DoChildren
 
+  (* Processing expressions for the purpose of replacing literal strings found
+   in the code with variables generated by E-ACSL. *)
   method !vexpr _ = 
-    if generate then
-      Cil.DoChildren 
-    else
+    if generate then begin
+		  match is_initializer with
+       (* Do not touch global initialisers because they accept only constants *)
+			  | true -> Cil.DoChildren
+       (* Replace literal strings elsewhere *)
+			  | false -> Cil.DoChildrenPost
+          (fun e ->
+            let e, env = self#literal_string !function_env e in
+            function_env := env;
+          e)
+    end else
       Cil.SkipChildren
 
   method !vterm _ =