Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:30:44 2012

Optimize a model with 9882 rows, 15006 columns and 44164 nonzeros
Presolve removed 31 rows and 3782 columns
Presolve time: 0.17s
Presolved: 9851 rows, 11224 columns, 40382 nonzeros
Variable types: 0 continuous, 11224 integer (11224 binary)
Found heuristic solution: objective 38.0000000

Root relaxation: objective 2.000000e+00, 9593 iterations, 0.38 seconds

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

     0     0    2.00000    0  110   38.00000    2.00000  94.7%     -    1s
H    0     0                       3.0000000    2.00000  33.3%     -    1s
     0     0    2.00000    0  302    3.00000    2.00000  33.3%     -    3s
     0     0    2.00000    0  302    3.00000    2.00000  33.3%     -    8s
     0     0    2.00000    0  304    3.00000    2.00000  33.3%     -   12s
     0     0    2.00000    0  308    3.00000    2.00000  33.3%     -   17s
     0     0    2.00000    0  308    3.00000    2.00000  33.3%     -   19s
     0     2    2.00000    0  308    3.00000    2.00000  33.3%     -   25s
     6     6    2.00000    1  110    3.00000    2.00000  33.3%  1826   31s
     7     6    2.00000    1  201    3.00000    2.00000  33.3%  1566   36s
     8     7    2.00000    1  110    3.00000    2.00000  33.3%  1370   44s
     9     8    2.00000    1  110    3.00000    2.00000  33.3%  1218   50s
    10     8    2.00000    1  114    3.00000    2.00000  33.3%  1096   60s

Cutting planes:
  Gomory: 15
  Zero half: 7

Explored 10 nodes (263016 simplex iterations) in 60.42 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%