Gurobi 5.0.1 (linux64) logging started Fri Nov 16 02:25:48 2012

Optimize a model with 7551 rows, 1056 columns and 23550 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.09s
Presolved: 7581 rows, 1054 columns, 27528 nonzeros
Variable types: 0 continuous, 1054 integer (1054 binary)
Found heuristic solution: objective 32.0000000

Root relaxation: objective 3.454545e+00, 5881 iterations, 0.38 seconds

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

     0     0    3.45455    0  891   32.00000    3.45455  89.2%     -    0s
     0     0    6.00000    0  103   32.00000    6.00000  81.2%     -    1s
H    0     0                      26.0000000    6.00000  76.9%     -    1s
     0     0    6.00000    0  121   26.00000    6.00000  76.9%     -    1s
H    0     0                      25.0000000    6.00000  76.0%     -    1s
H    0     0                       8.0000000    6.00000  25.0%     -    1s
     0     0    6.00000    0  108    8.00000    6.00000  25.0%     -    2s
     0     0    6.00000    0   46    8.00000    6.00000  25.0%     -    2s
H    0     0                       7.0000000    6.00000  14.3%     -    2s
     0     0    6.00000    0   78    7.00000    6.00000  14.3%     -    2s
     0     2    6.00000    0   78    7.00000    6.00000  14.3%     -    2s

Cutting planes:
  Gomory: 2
  Clique: 4
  Zero half: 9

Explored 23 nodes (21723 simplex iterations) in 4.50 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%