[Cbc] Time-out with linear solve with MIP

[Kish Shen]

Hi,

I am looking at my code for time-out for CBC when solving a MIP problem, 
and time-out is turned off for CLP, the linear solver.
There is a comment that say if CLP has a timeout, this can cause 
problems for the MIP.

What this means is that time-out does not occur until a linear solve is 
done, even if that linear solve takes much longer than the time-out. 
This is not something the users of our system expect, and I have had 
several asking me why time-out for the MIP doesn't seem to work when 
using CBC.

This code was written a while ago, so I am wondering if it is now 
possible to have time-out during the linear solves. Is it difficult to 
allow time-outs during the linear solve?

--Kish Shen

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