Gurobi 5.0.1 (linux64) logging started Fri Nov 16 07:11:42 2012

Optimize a model with 11102 rows, 3782 columns and 36844 nonzeros
Presolve time: 0.09s
Presolved: 11102 rows, 3782 columns, 37121 nonzeros
Variable types: 0 continuous, 3782 integer (3782 binary)
Found heuristic solution: objective 38.0000000

Root relaxation: objective 2.000000e+00, 4454 iterations, 0.26 seconds

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

     0     0    2.00000    0  122   38.00000    2.00000  94.7%     -    1s
H    0     0                      14.0000000    2.00000  85.7%     -    1s
H    0     0                       5.0000000    2.00000  60.0%     -    2s
     0     0    2.00000    0  122    5.00000    2.00000  60.0%     -    3s
     0     0    2.00000    0  122    5.00000    2.00000  60.0%     -    8s
     0     0    2.00000    0  122    5.00000    2.00000  60.0%     -   13s
     0     0    2.00000    0  122    5.00000    2.00000  60.0%     -   17s
H    0     0                       4.0000000    2.00000  50.0%     -   17s
     0     0    2.00000    0  122    4.00000    2.00000  50.0%     -   21s
     0     0    2.00000    0  122    4.00000    2.00000  50.0%     -   25s
     0     2    2.00000    0  122    4.00000    2.00000  50.0%     -   35s
     1     3    3.00000    1  604    4.00000    2.00000  50.0% 25985   41s
     2     4    3.00000    1  639    4.00000    3.00000  25.0% 25046   49s
     3     5    3.00000    2  283    4.00000    3.00000  25.0% 17249   50s
    14     4    3.00000    2  325    4.00000    3.00000  25.0%  5137   55s
    33     1     cutoff    4         4.00000    3.00000  25.0%  2828   60s

Cutting planes:
  Clique: 145

Explored 35 nodes (164788 simplex iterations) in 61.55 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%