Gurobi 5.0.1 (linux64) logging started Fri Nov 16 06:14:50 2012

Optimize a model with 9164 rows, 3422 columns and 30682 nonzeros
Presolve time: 0.08s
Presolved: 9164 rows, 3422 columns, 30973 nonzeros
Variable types: 0 continuous, 3422 integer (3422 binary)
Found heuristic solution: objective 40.0000000

Root relaxation: objective 2.000000e+00, 3566 iterations, 0.14 seconds

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

     0     0    2.00000    0  116   40.00000    2.00000  95.0%     -    0s
H    0     0                      10.0000000    2.00000  80.0%     -    0s
H    0     0                       5.0000000    2.00000  60.0%     -    1s
     0     0    2.00000    0  116    5.00000    2.00000  60.0%     -    2s
     0     0    2.00000    0  116    5.00000    2.00000  60.0%     -    5s
     0     0    2.00000    0  116    5.00000    2.00000  60.0%     -    8s
     0     0    2.00000    0  116    5.00000    2.00000  60.0%     -   12s
H    0     0                       4.0000000    2.00000  50.0%     -   12s
     0     0    2.00000    0  116    4.00000    2.00000  50.0%     -   16s
     0     0    2.00000    0  116    4.00000    2.00000  50.0%     -   19s
     0     2    2.00000    0  116    4.00000    2.00000  50.0%     -   26s
     1     3    3.00000    1  610    4.00000    2.00000  50.0% 19153   30s
     2     4    3.00000    1  683    4.00000    3.00000  25.0% 23582   40s
    35     5     cutoff    7         4.00000    3.00000  25.0%  1991   45s
    51     5     cutoff    8         4.00000    3.00000  25.0%  1858   50s
    73     3     cutoff    7         4.00000    3.00000  25.0%  1693   55s

Cutting planes:
  Clique: 128

Explored 109 nodes (197706 simplex iterations) in 57.05 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%