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Error (lower bound decrease) #131

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svigerske opened this issue Feb 26, 2019 · 1 comment
Open

Error (lower bound decrease) #131

svigerske opened this issue Feb 26, 2019 · 1 comment
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bug Something isn't working TreeManager module

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@svigerske
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Issue created by migration from Trac.

Original creator: anh509

Original creation time: 2014-05-23 14:29:10

Assignee: @tkralphs

Version: trunk (SVN)

I suspect the lower bound of a node gets updated in select_branching_object function in lp_solver in (best_can->objval).

The following errors are thrown from tm_func.c for the attached file.

#######Error: Child's lower bound (-1773182048431.944) is less than parent's (-227.215)
#######Error: Node's lower bound (-1773182048431.944) is less than root's (-236.362)

@svigerske svigerske added bug Something isn't working TreeManager module labels Feb 26, 2019
@svigerske
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Attachment genMasterAfCut_9.MPS by anh509 created at 2014-05-23 14:29:34

@tkralphs tkralphs self-assigned this Jul 30, 2019
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