Gurobi 5.0.1 (linux64) logging started Fri Nov 16 05:47:45 2012

Optimize a model with 8736 rows, 3192 columns and 29176 nonzeros
Presolve time: 0.07s
Presolved: 8736 rows, 3192 columns, 29492 nonzeros
Variable types: 0 continuous, 3192 integer (3192 binary)
Found heuristic solution: objective 34.0000000

Root relaxation: objective 2.000000e+00, 3152 iterations, 0.10 seconds

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

     0     0    2.00000    0  112   34.00000    2.00000  94.1%     -    0s
H    0     0                      11.0000000    2.00000  81.8%     -    0s
H    0     0                       5.0000000    2.00000  60.0%     -    0s
H    0     0                       4.0000000    2.00000  50.0%     -    0s
     0     0    2.00000    0  112    4.00000    2.00000  50.0%     -    0s
     0     0    2.00000    0  112    4.00000    2.00000  50.0%     -    3s
     0     0    2.00000    0  112    4.00000    2.00000  50.0%     -    7s
     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%     -   12s
     0     0    2.00000    0  112    4.00000    2.00000  50.0%     -   15s
     0     2    2.00000    0  112    4.00000    2.00000  50.0%     -   22s
     2     4    2.50000    1  109    4.00000    2.50000  37.5% 14580   28s
    12     6    2.66667    3  191    4.00000    2.50000  37.5%  3206   30s
    55     9    3.00000    5  102    4.00000    2.50000  37.5%  1159   35s

Cutting planes:
  Clique: 114

Explored 107 nodes (132807 simplex iterations) in 38.61 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%