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[Frama-c-discuss] some questions about the "-lib-entry -main " option while value analysis a partial application

  • Subject: [Frama-c-discuss] some questions about the "-lib-entry -main " option while value analysis a partial application
  • From: abiao.yang at gmail.com (David Yang)
  • Date: Sat, 11 Jan 2014 22:51:18 +0800
Dear all,

In the value analysis manual  "frama-c-value-analysis.pdf", I can find
the introduction to "-lib-entry" option.

What I want to know is while I am setting the "-lib-entry" option for
analyzing a incomplete application (or a partial application):

1. Whether all the global variables will be initialized for the
initial state ? whether those globals will be also initialized even if
those variables are not used in the specified main function?

2. I am also using the -val-use-spec option for all the functions
which called by the main function. there will be many global variables
used in those called functions but might not used in the main
function. whether those global variables also initialized for a
initial stat?

3. I think the values of the initial state will propagate between
those statements, so if the initial state is too large, whether it
will largely influence the speed of value analysis?

Thanks,

-david