On Wed, Sep 14, 2016 at 10:40 AM josvazg <josv...@gmail.com> wrote:

> When analyzing the code the model could distinguish "executors", which
cold be goroutines (main - the entry one, g1, g2, etc) or pieces of code
under a certain lock variable.
If a variable is ONLY accessed by a single "executor" (including locks)
then it is race free.

Well, that's a particular case which can be successfully analyzed. The
problem, in the general case, is that it is not possible to (always) tell
when/in which order/if at all is the synchronization performed. Such
arrangement is introduced easily by a conditional path where the condition
is not statically decidable.

The above does not rule out some programs can be statically analyzed. I am
skeptical about the share of such programs, but that's just my guess. I
would be very interested in knowing the real percentage of a proper corpus,
provided someone writes this tool.

-- 

-j

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