Gurobi 5.0.1 (linux64) logging started Fri Nov 16 02:26:15 2012

Optimize a model with 7743 rows, 1056 columns and 24126 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.09s
Presolved: 7773 rows, 1054 columns, 28393 nonzeros
Variable types: 0 continuous, 1054 integer (1054 binary)
Found heuristic solution: objective 32.0000000

Root relaxation: objective 3.546392e+00, 8323 iterations, 0.63 seconds

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

     0     0    3.54639    0  842   32.00000    3.54639  88.9%     -    1s
H    0     0                      31.0000000    3.54639  88.6%     -    1s
     0     0    6.00000    0  108   31.00000    6.00000  80.6%     -    2s
H    0     0                      23.0000000    6.00000  73.9%     -    2s
     0     0    6.28571    0  646   23.00000    6.28571  72.7%     -    2s
H    0     0                      19.0000000    6.28571  66.9%     -    2s
H    0     0                      10.0000000    6.28571  37.1%     -    2s
     0     0    6.36090    0  206   10.00000    6.36090  36.4%     -    3s
     0     0    7.00000    0   65   10.00000    7.00000  30.0%     -    3s
H    0     0                       8.0000000    7.00000  12.5%     -    3s
     0     0    7.00000    0   93    8.00000    7.00000  12.5%     -    3s
H    0     0                       7.0000000    7.00000   0.0%     -    3s

Cutting planes:
  Clique: 3
  Zero half: 3

Explored 0 nodes (21394 simplex iterations) in 3.89 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%