Gurobi 5.0.1 (linux64) logging started Wed Dec 19 14:01:40 2012

Optimize a model with 442 rows, 441 columns and 1940 nonzeros
Presolve removed 277 rows and 191 columns
Presolve time: 0.01s
Presolved: 165 rows, 250 columns, 1537 nonzeros
Variable types: 17 continuous, 233 integer (233 binary)

Root relaxation: objective 2.692526e+02, 82 iterations, 0.00 seconds

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

     0     0  269.25260    0   41          -  269.25260     -      -    0s
     0     0  285.94794    0   35          -  285.94794     -      -    0s
     0     0  291.16071    0   45          -  291.16071     -      -    0s
     0     0  291.54239    0   47          -  291.54239     -      -    0s
     0     0  291.54239    0   47          -  291.54239     -      -    0s
     0     0  292.20905    0   46          -  292.20905     -      -    0s
H    0     0                     320.0000000  292.20905  8.68%     -    0s
     0     2  294.20617    0   46  320.00000  294.20617  8.06%     -    0s
*   31     8               6     306.0000000  297.82254  2.67%   7.2    0s
*   42     2               6     304.0000000  302.13333  0.61%   8.1    0s

Cutting planes:
  Gomory: 2
  Cover: 14
  Implied bound: 8
  Clique: 5
  MIR: 5
  GUB cover: 2

Explored 45 nodes (526 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.040000000000e+02, best bound 3.040000000000e+02, gap 0.0%