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[Frama-c-discuss] Using structure object for precondition/postocndition

  • Subject: [Frama-c-discuss] Using structure object for precondition/postocndition
  • From: federico.peruzzi at (FEDERICO PERUZZI)
  • Date: Thu, 3 Sep 2015 12:45:36 +0200

Hi everyone,
I'm Federico from university of Parma. I'm doing a Frama-C project and this
is my first approach with this program.
i send you my c program as attachment for more comprension of my problem.
i'm trying to write my first precondition and postcondition for the first
function in my program, Stack_init, i've need to write that the Stack
structure that i return is defined and an empty stack (for me an empty
stack is when the element of structure "size" is equal to 0), and my first
problem is here, i can't figure how i can access with ACSL into a structure
data. i've try with "ensure \result.size = 0" but not working.
i've also try to define the logical structure with "type Stack = struct
{real data[100]; real size}" but the program reply me with an "invalid
statment" because he don't recognize "{".
Thanks for the support

best regards
Federico Peruzzi
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