Optimize a model with 100 rows, 4950 columns and 9900 nonzeros
Presolve time: 0.01s
Presolved: 100 rows, 4950 columns, 9900 nonzeros
Variable types: 0 continuous, 4950 integer (4950 binary)

Root relaxation: objective 7.337000e+03, 148 iterations, 0.00 seconds

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

     0     0 7337.00000    0   26          - 7337.00000     -      -    0s
     0     0 7381.00000    0   12          - 7381.00000     -      -    0s
     0     0 7387.66667    0   31          - 7387.66667     -      -    0s
     0     0 7426.66667    0   26          - 7426.66667     -      -    0s
     0     0 7433.50000    0   21          - 7433.50000     -      -    0s
     0     0 7438.03333    0   42          - 7438.03333     -      -    0s
     0     0 7463.33333    0   35          - 7463.33333     -      -    0s
     0     0 7464.66667    0   32          - 7464.66667     -      -    0s
     0     0 7476.83333    0   17          - 7476.83333     -      -    0s
     0     0 7481.00000    0   22          - 7481.00000     -      -    0s
     0     0 7482.16667    0   30          - 7482.16667     -      -    0s
     0     0 7482.16667    0   30          - 7482.16667     -      -    0s
     0     2 7484.16667    0   30          - 7484.16667     -      -    0s
*  144   143              98    8828.0000000 7828.00000  11.3%   7.3    1s
*  155    29               6    7974.0000000 7852.00000  1.53%   7.4    1s
*  161     7               7    7910.0000000 7861.83333  0.61%   7.6    1s

Cutting planes:
  User: 75
  Zero half: 25

Explored 167 nodes (1501 simplex iterations) in 1.60 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.910000000000e+03, best bound 7.910000000000e+03, gap 0.0%

Gurobi 5.0.1 (linux64) logging started Sun Nov 25 02:43:41 2012