[BCP] Getting "Assertion reference_count_ == 0"

[Laszlo Ladanyi]

Definitely looks like a bug :-(. Any way I could get to the source and 
input (you can email it to me or I can login to a machine of yours)? I 
could debug it.

--Laci

On Tue, 30 Jun 2009, António Duarte wrote:

> Hello,
>
>
>
> I’m implementing a column generation scheme and the branching consists in
> adding a new cut with different bounds on each of the two childs. The
> branching seems to be working well but I’m getting an error I can’t debug.
> Here’s what’s happening:
>
>
>
> After solving the root node and adding a few new columns, 2 child nodes are
> generated and a dive is performed in one of them. Again the node is solved,
> new columns are generated, branching is performed and a new dive occurs.
> This keeps going on and everything seem ok until a valid solution is found
> after a few dives. The LP asks TM for a new node with the following message:
>
>
>
> Returned children to TM. Waiting for new node.
>
>
>
> Then the error occurs:
>
>
>
> pps: /home/jorge/bcp/buildg/include/coin/CoinSmartPtr.hpp:158: virtual
> Coin::ReferencedObject::~ReferencedObject(): Assertion `reference_count_ ==
> 0' failed. Aborted LP:
>
>
>
> I saw that LP is trying to delete variables I added in tm:create_root().
>
>
>
> Anyone has a hint on what is happening?
>
>
>
> Best regards,
>
> António Duarte
>
>
>
>