Opened 12 years ago

Closed 12 years ago

#9 closed defect (fixed)

cbc from trunk gives wrong result

Reported by: kim Owned by: somebody
Priority: major Component: component1
Version: Keywords:
Cc:

Description

Best objective of the problem attached should be 2010.68 (found with cbc from devel), cbc from trunk returns a solution with objective 302236.

I will attach the problem and logs of test runs made with cbc-trunk, cbc-devel and cplex.

Attachments (3)

wrong-result.raph-sirius-96.mps.cbc_log (4.3 KB) - added by kim 12 years ago.
Log showing the error (cbc from trunk)
wrong-result.raph-sirius-96.mps.cbc_devel_log (7.9 KB) - added by kim 12 years ago.
Log showing correct result (from cbc devel)
wrong-result.raph-sirius-96.mps.cplex_log (2.5 KB) - added by kim 12 years ago.
cplex finds almost the same solution, but it doesn't finish

Download all attachments as: .zip

Change History (8)

Changed 12 years ago by kim

Log showing the error (cbc from trunk)

Changed 12 years ago by kim

Log showing correct result (from cbc devel)

Changed 12 years ago by kim

cplex finds almost the same solution, but it doesn't finish

comment:1 Changed 12 years ago by kim

I could not upload the problem, it is to big for Trac. It can be downloaded from: http://ange.dk/public/wrong-result.raph-sirius-96.mps.bz2

comment:2 Changed 12 years ago by forrest

  • Resolution set to fixed
  • Status changed from new to closed

Cbc/trunk used to point to Cgl/stable - now points to Cgl/trunk

that seems to fix problem

comment:3 Changed 12 years ago by kim

  • Resolution fixed deleted
  • Status changed from closed to reopened

Thank you for fixing the bug, I have tested it and it works when using Cgl/trunk.

I am reopening the report as I believe the subversion property svn:externals on Cbc/trunk also should be updated as a part of the fix.

comment:4 Changed 12 years ago by kim

The property has been fixed in [542]. This bug can be closed again.

comment:5 Changed 12 years ago by forrest

  • Resolution set to fixed
  • Status changed from reopened to closed

thanks - will close

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