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[Frama-c-discuss] Help with the Value Set Analysis

  • Subject: [Frama-c-discuss] Help with the Value Set Analysis
  • From: drb3065 at louisiana.edu (Davidson Boccardo)
  • Date: Tue, 13 Apr 2010 10:48:29 -0300
Hi,

I would like to know if is possible to see the interval-congruence values
(VSA) for the variables itself and not just
for the return statements. I will clarify my point by the log generated
using frama-c.

[value] ====== VALUES COMPUTED ======
[value] Values for function teste:
          a ? {1; 11; }
[value] Values for function Soma:
          __retres ? {10; }
[value] Values for function Subtrai:
          __retres ? [-10..8],0%2
[value] Values for function main:
          a ? {10; }
          b ? {0; }
          i ? {10; }
          soma ? {10; }
          subtracao ? {8; }
          __retres ? {1; }

Why is not shown that a and b for instance is coitained in the VSA [0,10].


I will appreciate with someone may clarity my question.

Thanks in advance,
Davidson
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