[Cbc-tickets] [COIN-OR Branch-and-Cut MIP Solver] #19: Cbc aborts on this problem

[COIN-OR Branch-and-Cut MIP Solver]

#19: Cbc aborts on this problem
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 Reporter:  kim         |       Owner:  somebody
     Type:  defect      |      Status:  new     
 Priority:  major       |   Milestone:          
Component:  component1  |     Version:          
 Keywords:              |  
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 The attached problem fails on the trunk cbc, I have not tested it on the
 devel branch as that wouldn't compile today.
 {{{
 Coin Cbc and Clp Solver version 1.01.00, build Mar  7 2007
 command line - cbc aborts-2007-03-16.mps
 At line 1 NAME          BLANK
 At line 2 ROWS
 At line 670 COLUMNS
 At line 3256 RHS
 At line 3449 BOUNDS
 At line 3956 ENDATA
 Problem BLANK has 666 rows, 506 columns and 4568 elements
 Model was imported from ./aborts-2007-03-16.mps in 0.007999 seconds
 Optimal - objective value 33555.1
 Cgl0006I 1 SOS (32 members out of 506) with 0 overlaps - too much overlap
 or too many others
 Cgl0003I 1 fixed, 25 tightened bounds, 0 strengthened rows, 0
 substitutions
 Cgl0003I 1 fixed, 0 tightened bounds, 0 strengthened rows, 0 substitutions
 Cgl0004I processed model has 208 rows, 123 columns (123 integer) and 870
 elements
 processed model has 208 rows, 123 columns and 870 elements
 Optimal - objective value 33555.1
 123 integer variables
 Cbc0009I Objective coefficients multiple of 1
 cutoff increment increased from 1e-05 to 0.999
  Aborted
 }}}

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Ticket URL: <https://projects.coin-or.org/Cbc/ticket/19>
COIN-OR Branch-and-Cut MIP Solver <http://projects.coin-or.org/Cbc>
An LP-based branch-and-cut MIP solver.