Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:51:58 2012

Optimize a model with 6386 rows, 10712 columns and 29458 nonzeros
Presolve removed 31 rows and 3193 columns
Presolve time: 0.13s
Presolved: 6355 rows, 7519 columns, 26265 nonzeros
Variable types: 0 continuous, 7519 integer (7519 binary)
Found heuristic solution: objective 32.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 5105 iterations, 0.11 seconds

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

     0     0    2.00000    0   64    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0  326    3.00000    2.00000  33.3%     -    1s
     0     0    2.00000    0   64    3.00000    2.00000  33.3%     -    3s
     0     0    2.00000    0  136    3.00000    2.00000  33.3%     -    5s
     0     0    2.00000    0  179    3.00000    2.00000  33.3%     -    6s
     0     0    2.00000    0  140    3.00000    2.00000  33.3%     -    8s
     0     0    2.00000    0   64    3.00000    2.00000  33.3%     -   10s
     0     0    2.00000    0  136    3.00000    2.00000  33.3%     -   13s
     0     0    2.00000    0  140    3.00000    2.00000  33.3%     -   15s
     0     0    2.00000    0  140    3.00000    2.00000  33.3%     -   16s
     0     2    2.00000    0  140    3.00000    2.00000  33.3%     -   18s
     5     5    2.00000    1  154    3.00000    2.00000  33.3%  2236   21s
     7     6    2.00000    1  140    3.00000    2.00000  33.3%  1597   28s
     8     7    2.00000    1  139    3.00000    2.00000  33.3%  1398   30s

Cutting planes:
  Gomory: 5
  Zero half: 1

Explored 9 nodes (235319 simplex iterations) in 30.96 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%