Gurobi 5.0.1 (linux64) logging started Fri Nov 16 04:33:02 2012

Optimize a model with 7904 rows, 2756 columns and 26260 nonzeros
Presolve time: 0.07s
Presolved: 7904 rows, 2756 columns, 26737 nonzeros
Variable types: 0 continuous, 2756 integer (2756 binary)
Found heuristic solution: objective 35.0000000

Root relaxation: objective 2.000000e+00, 2167 iterations, 0.04 seconds

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

     0     0    2.00000    0  104   35.00000    2.00000  94.3%     -    0s
H    0     0                      10.0000000    2.00000  80.0%     -    0s
H    0     0                       5.0000000    2.00000  60.0%     -    0s
     0     0    2.00000    0  104    5.00000    2.00000  60.0%     -    0s
     0     0    2.00000    0  104    5.00000    2.00000  60.0%     -    3s
     0     0    2.00000    0  104    5.00000    2.00000  60.0%     -    5s
     0     0    2.00000    0  104    5.00000    2.00000  60.0%     -    8s
H    0     0                       4.0000000    2.00000  50.0%     -    8s
     0     0    2.00000    0  104    4.00000    2.00000  50.0%     -   10s
     0     0    2.00000    0  104    4.00000    2.00000  50.0%     -   12s
     0     2    2.00000    0  104    4.00000    2.00000  50.0%     -   17s
     1     3    3.00000    1  727    4.00000    2.00000  50.0% 17198   21s
     2     4    3.00000    1  466    4.00000    3.00000  25.0% 18085   26s
    17     5    3.00000    3  148    4.00000    3.00000  25.0%  3229   30s
    39     1     cutoff    6         4.00000    3.00000  25.0%  2110   35s

Cutting planes:
  Clique: 200

Explored 63 nodes (143765 simplex iterations) in 37.47 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%