Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:44:23 2012

Optimize a model with 5886 rows, 870 columns and 18384 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.08s
Presolved: 5913 rows, 868 columns, 24358 nonzeros
Variable types: 0 continuous, 868 integer (868 binary)
Found heuristic solution: objective 29.0000000

Root relaxation: objective 3.661538e+00, 6393 iterations, 0.39 seconds

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

     0     0    3.66154    0  644   29.00000    3.66154  87.4%     -    0s
     0     0    6.00000    0  115   29.00000    6.00000  79.3%     -    1s
H    0     0                      26.0000000    6.00000  76.9%     -    1s
     0     0    6.00000    0  122   26.00000    6.00000  76.9%     -    1s
H    0     0                      23.0000000    6.00000  73.9%     -    1s
     0     0    6.00000    0   34   23.00000    6.00000  73.9%     -    2s
H    0     0                      21.0000000    6.00000  71.4%     -    2s
H    0     0                      16.0000000    6.00000  62.5%     -    2s
H    0     0                       9.0000000    6.00000  33.3%     -    2s
     0     0    6.00000    0   60    9.00000    6.00000  33.3%     -    2s
H    0     0                       8.0000000    6.00000  25.0%     -    2s
     0     0    6.00000    0   98    8.00000    6.00000  25.0%     -    2s
H    0     0                       7.0000000    6.00000  14.3%     -    2s
     0     0    6.00000    0  107    7.00000    6.00000  14.3%     -    3s
     0     0 infeasible    0         7.00000    6.00001  14.3%     -    3s

Explored 0 nodes (18748 simplex iterations) in 3.33 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%