Gurobi 5.0.1 (linux64) logging started Wed Dec 19 14:03:52 2012

Optimize a model with 1682 rows, 1681 columns and 7438 nonzeros
Presolve removed 1509 rows and 1275 columns
Presolve time: 0.02s
Presolved: 173 rows, 406 columns, 1432 nonzeros
Variable types: 27 continuous, 379 integer (379 binary)

Root relaxation: objective 3.882140e+02, 90 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0  388.21403    0   23          -  388.21403     -      -    0s
H    0     0                     417.0000000  388.21403  6.90%     -    0s
     0     0  394.00000    0   22  417.00000  394.00000  5.52%     -    0s
     0     0  394.00000    0   23  417.00000  394.00000  5.52%     -    0s
     0     0  394.00000    0   25  417.00000  394.00000  5.52%     -    0s
     0     0  396.00000    0   26  417.00000  396.00000  5.04%     -    0s
     0     0  396.05128    0   28  417.00000  396.05128  5.02%     -    0s
     0     0  396.05128    0   28  417.00000  396.05128  5.02%     -    0s
     0     0  400.00000    0   16  417.00000  400.00000  4.08%     -    0s
     0     0  400.00000    0   16  417.00000  400.00000  4.08%     -    0s
H    0     0                     415.0000000  400.00000  3.61%     -    0s
     0     2  400.00000    0   16  415.00000  400.00000  3.61%     -    0s
*    7     3               7     404.0000000  400.25128  0.93%   8.0    0s

Cutting planes:
  Learned: 2
  Cover: 4
  Implied bound: 5
  Clique: 3
  GUB cover: 2

Explored 11 nodes (483 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.040000000000e+02, best bound 4.040000000000e+02, gap 0.0%