[Scip] Update of SCIP_Cons.active for a local constraint

[Hélène Toussaint]

Dear SCIP team,

I have a branch and price algorithm in which I use my own branch rule 
(associated to a constraint handler). Thus I create and add some local 
constraints at each node.

When I process the current node I need to know the active local 
constraints. I check the flag "active" of the Scip_Cons structure but 
there is a problem when a node is deactivated and then reactivated: 
sometimes the active flag of the associated local constraints was 
updated (to 1) when I enter scip_active() method but sometimes it wasn't 
(in the latter case it seems it's updated in the children).

How can I know the active constraints when I am in scip_active() or in 
scip_prop () ?

Best regards,

Hélène

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