[SCIP] CRITERIA TO FINISH THE PRICING

[dponce at us.es]

Hello SCIP, 

I have implemented the stabilization method described by Pessoa et al on
a column generation framework. Among the algorithm, sometimes there is
not variable added (what doesn't mean that the pricing finishes), so to
avoid that SCIP "think" the optimality is reached, I add a phantom
variable on this step.  

Is it necessary? 

I there a better way to do that? 

Thanks in advance. 

Best. 

Diego. 

  
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