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[Frama-c-discuss] Frama-C doesn't warn me about the illegal assignment of a variable

  • Subject: [Frama-c-discuss] Frama-C doesn't warn me about the illegal assignment of a variable
  • From: dvidal at ekkyo.com (Damien Vidal)
  • Date: Tue, 8 Dec 2009 16:16:57 +0100
Dear Frama-C users,

I am using "Frama-C" for the first time and I am doing some test cases to know if my use of this tool is OK.

I am working on the command "@ assigns \nothing". See my sample code below:
########################################
/*@ assigns \nothing;
*/
void Compte_heure (unsigned int *fHeure)
{
                *fHeure = (*fHeure)+1;
}
########################################

I want that Frama-C warns me about the non-wanted assignment of the variable "*fHeure".
My command line with Frama-C is "frama-c-gui -slevel 15 -val *.c"

If I use "Fraam-C" with the plugin "Jessie" and the automatic code checker "Alt-Ergo", there is a warning for the assignment of the variable "*fHeure".
My command line with Frama-C is "frama-c -jessie-gui -jessie-analysis -jessie-atp simplify *.c >

Do you know the way to have the warning statement displayed in Frama-C ?

Thanks,

Best regards,
Damien

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