Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:59:44 2012

Optimize a model with 7040 rows, 12210 columns and 32890 nonzeros
Presolve removed 34 rows and 3740 columns
Presolve time: 0.15s
Presolved: 7006 rows, 8470 columns, 29150 nonzeros
Variable types: 0 continuous, 8470 integer (8470 binary)
Found heuristic solution: objective 28.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 7293 iterations, 0.24 seconds

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

     0     0    2.00000    0   44    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0  211    3.00000    2.00000  33.3%     -    1s
     0     0    2.00000    0  201    3.00000    2.00000  33.3%     -    3s
     0     0    2.00000    0  118    3.00000    2.00000  33.3%     -    7s
     0     0    2.00000    0  122    3.00000    2.00000  33.3%     -    9s
     0     0    2.00000    0  177    3.00000    2.00000  33.3%     -   11s
     0     0    2.00000    0   44    3.00000    2.00000  33.3%     -   12s
     0     0    2.00000    0  118    3.00000    2.00000  33.3%     -   14s
     0     0    2.00000    0  177    3.00000    2.00000  33.3%     -   16s
     0     0    2.00000    0  177    3.00000    2.00000  33.3%     -   17s
     0     2    2.00000    0  177    3.00000    2.00000  33.3%     -   20s
     5     5    2.00000    1  126    3.00000    2.00000  33.3%  2647   26s
     6     6    2.00000    1  219    3.00000    2.00000  33.3%  2206   32s
     7     6    2.00000    1  166    3.00000    2.00000  33.3%  1890   35s

Cutting planes:
  Gomory: 7
  Zero half: 2

Explored 13 nodes (264278 simplex iterations) in 37.76 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%