[BCP] BM: Couldn't branch!
Heesu Hwang
heesuhwang at yahoo.com
Fri Nov 18 14:50:10 EST 2016
Hi all,
The BCP crashes at branching stage when there is no algo_var generated.
LP: Default test_binary() executed.
LP: Default logical_fixing() executed.
LP: Row effectiveness: rownum: 91 ineffective: 0
LP: Number of vars received from VG: 0
LP: Total number of vars in local pool: 0
LP: Default generate_heuristic_solution() executed.
LP: In iteration 307 BCP generated 0 cuts , 0 vars before calling branch()
LP: Default display_lp_solution() executed.
LP : Displaying LP solution (FinalRelaxedSolution) :
LP : Displaying solution :#### some of the solution varialbes ###
Algo var (internal index: -95 ) at 0.6667
Algo var (internal index: -109 ) at 1.0000
Algo var (internal index: -117 ) at 0.6667
Algo var (internal index: -121 ) at 0.3333
Algo var (internal index: -124 ) at 0.6667
Algo var (internal index: -155 ) at 1.0000
Algo var (internal index: -172 ) at 0.6667
Algo var (internal index: -174 ) at 0.3333LP: Default select_branching_candidates() executed.
BM: Couldn't branch!
Aborted
Where should I start to debug this?
Thanks for your help!Heesu Hwang
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://list.coin-or.org/pipermail/bcp/attachments/20161118/349b106a/attachment.html>
More information about the BCP
mailing list