Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:10:09 2012

Optimize a model with 9243 rows, 13806 columns and 41067 nonzeros
Presolve removed 33 rows and 3861 columns
Presolve time: 0.16s
Presolved: 9210 rows, 9945 columns, 37206 nonzeros
Variable types: 0 continuous, 9945 integer (9945 binary)
Found heuristic solution: objective 38.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 9344 iterations, 0.56 seconds

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

     0     0    2.00000    0  124    3.00000    2.00000  33.3%     -    2s
     0     0    2.00000    0  222    3.00000    2.00000  33.3%     -    4s
     0     0    2.00000    0  233    3.00000    2.00000  33.3%     -    9s
     0     0    2.00000    0  124    3.00000    2.00000  33.3%     -   15s
     0     0    2.00000    0  208    3.00000    2.00000  33.3%     -   21s
     0     0    2.00000    0  218    3.00000    2.00000  33.3%     -   26s
     0     0    2.00000    0  208    3.00000    2.00000  33.3%     -   33s
     0     0    2.00000    0  212    3.00000    2.00000  33.3%     -   37s
     0     0    2.00000    0  124    3.00000    2.00000  33.3%     -   38s
     0     2    2.00000    0  124    3.00000    2.00000  33.3%     -   40s
     5     5    2.00000    1  217    3.00000    2.00000  33.3%  2409   51s
     6     6    2.00000    1  213    3.00000    2.00000  33.3%  2008   64s

Cutting planes:
  Gomory: 1
  Zero half: 2

Explored 6 nodes (269378 simplex iterations) in 65.23 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%