[Dip] Program output for difficult instances

kim kim at hamilton-vejlin.dk
Fri Jan 21 08:28:20 EST 2011


I think this is related to the LimitTime parameter. It seems that if 
time runs out at a particular point during program execution it results 
in this kind of behavior. I opened a ticked regarding this 
https://projects.coin-or.org/Dip/ticket/68

- Kim

kim wrote:
> When I use my DIP-based program to solve difficult instances, I 
> frequently encounter the outpur line:
> "Alps0240I Processed 0 nodes, has 1 nodes, best relaxed -1e+75, best 
> feasible 1e+75"
> being repeated over and over.
>
>
> How should this be interpreted? My best guess is that DIP outputs a 
> status line every few minutes even if no progress has been made, and 
> that in this case DIP has not yet finished processing the root node. Is 
> this correct?
>
> - Kim
>
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