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let pred_opt_from_expr_state stmt e =
try
Value2acsl.lval_to_predicate stmt e
with
| Cvalue.V.Not_based_on_null ->
Misc.not_implemented ~what:"Value not based on null";
None
| Misc.Not_implemented what ->
Misc.not_implemented ~what;
None
class hypotheses_visitor (env: Collect.env) = object(self)
inherit Visitor.generic_frama_c_visitor (Visitor_behavior.inplace ())
method! vstmt_aux stmt =
let kf = Option.get (self#current_kf) in
if Collect.should_annotate_stmt env stmt then begin
let vars = Collect.get_relevant_vars_stmt env kf stmt in
List.iter
(fun e ->
let p_opt = pred_opt_from_expr_state stmt e in
Option.iter (Misc.assert_and_validate ~kf stmt) p_opt)
vars
end;
Cil.DoChildren
end
let generate_hypotheses env =
let visitor = new hypotheses_visitor env in
Cil.visitCilFileSameGlobals (visitor :> Cil.cilVisitor) (Ast.get ())