Gurobi 5.0.1 (linux64) logging started Fri Nov 16 06:50:09 2012

Optimize a model with 10440 rows, 3660 columns and 34740 nonzeros
Presolve removed 1 rows and 60 columns
Presolve time: 0.09s
Presolved: 10439 rows, 3600 columns, 34993 nonzeros
Variable types: 0 continuous, 3600 integer (3600 binary)
Found heuristic solution: objective 38.0000000

Root relaxation: objective 2.000000e+00, 3955 iterations, 0.19 seconds

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

     0     0    2.00000    0  118   38.00000    2.00000  94.7%     -    1s
H    0     0                      10.0000000    2.00000  80.0%     -    1s
H    0     0                       5.0000000    2.00000  60.0%     -    1s
     0     0    2.00000    0  118    5.00000    2.00000  60.0%     -    1s
     0     0    2.00000    0  118    5.00000    2.00000  60.0%     -    6s
H    0     0                       4.0000000    2.00000  50.0%     -    6s
     0     0    2.00000    0  118    4.00000    2.00000  50.0%     -    9s
     0     0    2.00000    0  118    4.00000    2.00000  50.0%     -   13s
     0     0    2.00000    0  118    4.00000    2.00000  50.0%     -   17s
     0     0    2.00000    0  118    4.00000    2.00000  50.0%     -   21s
     0     2    2.00000    0  118    4.00000    2.00000  50.0%     -   36s
     1     3    3.00000    1  826    4.00000    2.00000  50.0% 33865   46s
     2     4    3.00000    1  585    4.00000    3.00000  25.0% 26180   53s
    30    10     cutoff    4         4.00000    3.00000  25.0%  2070   55s
    86    10    3.00000    6  108    4.00000    3.00000  25.0%  1058   60s

Cutting planes:
  Clique: 118

Explored 158 nodes (186274 simplex iterations) in 63.77 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%