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[Frama-c-discuss] Jessie failure: "Unexpected internal region in logic"

  • Subject: [Frama-c-discuss] Jessie failure: "Unexpected internal region in logic"
  • From: david.delmas at airbus.com (David Delmas)
  • Date: Fri, 12 Mar 2010 11:43:37 +0100
  • In-reply-to: <15856_1268388952_4B9A1455_15856_59_11_4B9A143D.90101@inria.fr>
  • References: <30805_1268379953_4B99F131_30805_43_1_1268379937.14079.57.camel@ossiriand> <16815_1268385626_4B9A0756_16815_42_1_20100312102010.371ee855@is010235> <1268387337.14079.69.camel@ossiriand> <30588_1268388197_4B9A115D_30588_31_2_1268388175.14079.74.camel@ossiriand> <15856_1268388952_4B9A1455_15856_59_11_4B9A143D.90101@inria.fr>
thank you Claude, this helps.

Le vendredi 12 mars 2010 ? 11:15 +0100, Claude Marche a ?crit :
> Jessie does not like structures passed by value to logic functions
> and 
> predicates. Please use extra pointers:
> 
> typedef struct {
>     int index;
>     char b;
> } T_S;
> 
> //@ predicate P0{L}(T_S *s) = (s->b==1) ;
> 
> /*@ axiomatic Index {
> 
> logic integer f_index{L}(integer old, T_S *new);
> 
> // YYY ceci ne fait plus crasher Jessie  :-)
> 
> axiom Index1{L}:
>     \forall integer old, T_S *new;
>         P0{L}(new) ==> f_index{L}(old, new) == old;
> }*/

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