Gurobi 5.0.1 (linux64) logging started Fri Nov 16 02:23:39 2012

Optimize a model with 7679 rows, 1056 columns and 23934 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.10s
Presolved: 7677 rows, 1054 columns, 26835 nonzeros
Variable types: 0 continuous, 1054 integer (1054 binary)
Found heuristic solution: objective 32.0000000

Root relaxation: objective 3.538462e+00, 7222 iterations, 0.54 seconds

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

     0     0    3.53846    0  884   32.00000    3.53846  88.9%     -    1s
H    0     0                      30.0000000    3.53846  88.2%     -    1s
     0     0    6.00000    0  104   30.00000    6.00000  80.0%     -    1s
H    0     0                      23.0000000    6.00000  73.9%     -    1s
     0     0    6.28571    0  367   23.00000    6.28571  72.7%     -    2s
H    0     0                      17.0000000    6.28571  63.0%     -    2s
H    0     0                       9.0000000    6.28571  30.2%     -    2s
     0     0    6.33333    0   81    9.00000    6.33333  29.6%     -    2s
     0     0    7.00000    0   36    9.00000    7.00000  22.2%     -    2s
H    0     0                       8.0000000    7.00000  12.5%     -    2s
H    0     0                       7.0000000    7.00000   0.0%     -    2s

Explored 0 nodes (16475 simplex iterations) in 2.94 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%