[SCIP] Why I cannot free variables in the original problem?

[Xiangyong Li]

Dear all,


I am developing my own BP based on the Coloring example.


I used original problem and transformed problem. 


In SCIP_DECL_PROBDELTRANS, I can release each variable by SCIPreleaseVar.
But in SCIP_DECL_PROBDELORIG, I got error "Segmentation fault (core dumped)" when I freed each variable (in fact I cannot successfully free even one variable). 


Is each variable added to the transformed problem, not the original problem? 


Thanks for your help.


Xiangyong
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