[Cbc] Cbc question

[John Forrest]

Babak,


If there is a better solution, then this is a bug.

If not, then it may be Cbc being intelligent e.g. preprocessing or 
objective must be a multiple of N etc.

John Forrest
On 06/04/16 23:39, Babak Moazzez wrote:
> Hi
>
>  In Cbc, I use the following code to provide an incumbent solution to 
> the solver:
>
> model.setBestSolution(solution,number-of-columns,ObjValue);
>
> However when I call cbc to solve the problem, it finds out that
>
> *The LP relaxation is infeasible or too expensive *
>
> and uses my solution instead. So it doesn't really do any search and says
>
> *Solution of *ObjValue *already found by heuristic*
>
>  which is my solution since I have disabled heuristics. Is there 
> anyway to disable this feature and force Cbc solve the LP relaxation 
> and use my solution for an upperbound limit?
>
> Babak
>
>
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