Gurobi 5.0.1 (linux64) logging started Fri Nov 16 02:25:14 2012

Optimize a model with 7679 rows, 1056 columns and 23934 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.09s
Presolved: 7709 rows, 1054 columns, 27896 nonzeros
Variable types: 0 continuous, 1054 integer (1054 binary)
Found heuristic solution: objective 32.0000000

Root relaxation: objective 3.538462e+00, 7612 iterations, 0.56 seconds

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

     0     0    3.53846    0  866   32.00000    3.53846  88.9%     -    1s
H    0     0                      28.0000000    3.53846  87.4%     -    1s
     0     0    6.00000    0  103   28.00000    6.00000  78.6%     -    2s
H    0     0                      26.0000000    6.00000  76.9%     -    2s
H    0     0                       9.0000000    6.00000  33.3%     -    2s
     0     0    6.28571    0  107    9.00000    6.28571  30.2%     -    2s
*    0     0               0       7.0000000    7.00000   0.0%     -    3s

Explored 0 nodes (19703 simplex iterations) in 3.16 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%