Gurobi 5.0.1 (linux64) logging started Fri Nov 16 06:16:32 2012

Optimize a model with 9744 rows, 3422 columns and 32422 nonzeros
Presolve time: 0.08s
Presolved: 9744 rows, 3422 columns, 32758 nonzeros
Variable types: 0 continuous, 3422 integer (3422 binary)
Found heuristic solution: objective 40.0000000

Root relaxation: objective 2.000000e+00, 4542 iterations, 0.43 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%     -    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  116    5.00000    2.00000  60.0%     -    3s
H    0     0                       4.0000000    2.00000  50.0%     -    3s
     0     0    2.00000    0  116    4.00000    2.00000  50.0%     -    6s
     0     0    2.00000    0  116    4.00000    2.00000  50.0%     -    9s
     0     0    2.00000    0  116    4.00000    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%     -   34s
     1     3    2.50000    1  339    4.00000    2.00000  50.0% 16450   37s
     2     4    2.50000    1  516    4.00000    2.50000  37.5% 14526   41s
    53    11    3.00000    4  110    4.00000    2.50000  37.5%   961   45s
    84    12    3.00000    5  123    4.00000    2.50000  37.5%   850   50s
    90    12    3.00000    6  104    4.00000    2.66667  33.3%   994   55s

Cutting planes:
  Clique: 112

Explored 151 nodes (161710 simplex iterations) in 55.94 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%