Gurobi 5.0.1 (linux64) logging started Fri Nov 16 05:49:37 2012

Optimize a model with 10080 rows, 3192 columns and 33208 nonzeros
Presolve time: 0.08s
Presolved: 10080 rows, 3192 columns, 33578 nonzeros
Variable types: 0 continuous, 3192 integer (3192 binary)
Found heuristic solution: objective 35.0000000

Root relaxation: objective 2.000000e+00, 4956 iterations, 0.60 seconds

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

     0     0    2.00000    0  112   35.00000    2.00000  94.3%     -    2s
H    0     0                      10.0000000    2.00000  80.0%     -    2s
H    0     0                       5.0000000    2.00000  60.0%     -    2s
     0     0    2.00000    0  112    5.00000    2.00000  60.0%     -    2s
     0     0    2.00000    0  112    5.00000    2.00000  60.0%     -    6s
H    0     0                       4.0000000    2.00000  50.0%     -    6s
     0     0    2.00000    0  112    4.00000    2.00000  50.0%     -    9s
     0     0    2.00000    0  112    4.00000    2.00000  50.0%     -   13s
     0     0    2.00000    0  112    4.00000    2.00000  50.0%     -   15s
     0     0    2.00000    0  112    4.00000    2.00000  50.0%     -   18s
     0     2    2.00000    0  112    4.00000    2.00000  50.0%     -   25s
     1     3    3.00000    1  268    4.00000    2.00000  50.0% 25392   32s
     2     4    3.00000    1  598    4.00000    3.00000  25.0% 17586   35s
    10     4    3.00000    2  359    4.00000    3.00000  25.0%  5499   40s
    24     2    3.00000    2  556    4.00000    3.00000  25.0%  3054   45s

Cutting planes:
  Clique: 135

Explored 39 nodes (149185 simplex iterations) in 49.88 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%