Gurobi 5.0.1 (linux64) logging started Fri Nov 16 02:35:46 2012

Optimize a model with 8447 rows, 1122 columns and 26299 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.10s
Presolved: 8478 rows, 1120 columns, 30188 nonzeros
Variable types: 0 continuous, 1120 integer (1120 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 3.519608e+00, 9406 iterations, 0.70 seconds

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

     0     0    3.51961    0  920   33.00000    3.51961  89.3%     -    1s
H    0     0                      25.0000000    3.51961  85.9%     -    1s
     0     0    6.00000    0  104   25.00000    6.00000  76.0%     -    2s
H    0     0                      10.0000000    6.00000  40.0%     -    2s
     0     0    6.09524    0  111   10.00000    6.09524  39.0%     -    2s
*    0     0               0       7.0000000    7.00000   0.0%     -    3s

Explored 0 nodes (20094 simplex iterations) in 3.32 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%