Gurobi 5.0.1 (linux64) logging started Fri Nov 16 06:03:22 2012

Optimize a model with 10431 rows, 3306 columns and 34371 nonzeros
Presolve time: 0.09s
Presolved: 10431 rows, 3306 columns, 34675 nonzeros
Variable types: 0 continuous, 3306 integer (3306 binary)
Found heuristic solution: objective 36.0000000

Root relaxation: objective 2.000000e+00, 3499 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  114   36.00000    2.00000  94.4%     -    0s
H    0     0                      10.0000000    2.00000  80.0%     -    0s
H    0     0                       5.0000000    2.00000  60.0%     -    0s
     0     0    2.00000    0  114    5.00000    2.00000  60.0%     -    1s
     0     0    2.00000    0  114    5.00000    2.00000  60.0%     -    4s
     0     0    2.00000    0  114    5.00000    2.00000  60.0%     -    7s
     0     0    2.00000    0  114    5.00000    2.00000  60.0%     -   13s
     0     0    2.00000    0  114    5.00000    2.00000  60.0%     -   17s
     0     0    2.00000    0  114    5.00000    2.00000  60.0%     -   20s
     0     2    2.00000    0  114    5.00000    2.00000  60.0%     -   31s
     1     3    2.50000    1  440    5.00000    2.00000  60.0% 20669   35s
     2     4    2.50000    1  111    5.00000    2.50000  50.0% 32400   51s
*   23     9              19       4.0000000    2.50000  37.5%  3138   52s
    27     6    2.50000    2  500    4.00000    2.50000  37.5%  2721   55s
    48     7    3.00000    2  238    4.00000    2.50000  37.5%  1872   60s
   114     3    3.00000    5  110    4.00000    3.00000  25.0%  1044   65s

Cutting planes:
  Clique: 132

Explored 126 nodes (177175 simplex iterations) in 65.08 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%