Gurobi 5.0.1 (linux64) logging started Fri Nov 16 06:58:12 2012

Optimize a model with 10200 rows, 3660 columns and 34020 nonzeros
Presolve time: 0.09s
Presolved: 10200 rows, 3660 columns, 34283 nonzeros
Variable types: 0 continuous, 3660 integer (3660 binary)
Found heuristic solution: objective 38.0000000

Root relaxation: objective 2.000000e+00, 3462 iterations, 0.15 seconds

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

     0     0    2.00000    0  120   38.00000    2.00000  94.7%     -    0s
H    0     0                      12.0000000    2.00000  83.3%     -    0s
H    0     0                       5.0000000    2.00000  60.0%     -    1s
     0     0    2.00000    0  120    5.00000    2.00000  60.0%     -    1s
     0     0    2.00000    0  120    5.00000    2.00000  60.0%     -    5s
H    0     0                       4.0000000    2.00000  50.0%     -    6s
     0     0    2.00000    0  120    4.00000    2.00000  50.0%     -    9s
     0     0    2.00000    0  120    4.00000    2.00000  50.0%     -   14s
     0     0    2.00000    0  120    4.00000    2.00000  50.0%     -   18s
     0     0    2.00000    0  120    4.00000    2.00000  50.0%     -   21s
     0     2    2.00000    0  120    4.00000    2.00000  50.0%     -   30s
     1     3    3.00000    1  561    4.00000    2.00000  50.0% 23458   35s
     2     4    3.00000    1  536    4.00000    3.00000  25.0% 24658   44s
     3     5    3.00000    2  199    4.00000    3.00000  25.0% 17370   45s
    39     7    3.00000    5  104    4.00000    3.00000  25.0%  1821   50s
    62     4     cutoff    7         4.00000    3.00000  25.0%  1605   55s

Cutting planes:
  Clique: 113
  Zero half: 5

Explored 102 nodes (187910 simplex iterations) in 58.90 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%