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Parallel CBC assertion failure #114

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svigerske opened this issue Mar 3, 2019 · 1 comment
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Parallel CBC assertion failure #114

svigerske opened this issue Mar 3, 2019 · 1 comment
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@svigerske
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Issue created by migration from Trac.

Original creator: @h-g-s

Original creation time: 2011-06-02 15:53:55

Assignee: @tkralphs

Keywords: parallel cbc CbcTree

It's probably related to problems informed in tickets #109 and #110

After running CBC in parallel for some time there is this assertion failure:

cbc: CbcTree.cpp:457: virtual CbcNode* CbcTree::bestNode(double): Assertion `best->nodeInfo()->numberBranchesLeft()' failed.

In my case I was a solving a small (but very hard) multiple DNA sequence alignment problem:

...
Cbc0010I After 132000 nodes, 14298 on tree, -69 best solution, best possible -72.052083 (13292.25 seconds)
cbc: CbcTree.cpp:457: virtual CbcNode* CbcTree::bestNode(double): Assertion `best->nodeInfo()->numberBranchesLeft()' failed.
@svigerske svigerske added bug Something isn't working Cbc and removed Cbc labels Mar 3, 2019
@svigerske svigerske mentioned this issue Mar 12, 2019
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@svigerske
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Would need the instance to reproduce.

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