Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:39:56 2012

Optimize a model with 2835 rows, 6642 columns and 14823 nonzeros
Presolve removed 35 rows and 2835 columns
Presolve time: 0.08s
Presolved: 2800 rows, 3807 columns, 11988 nonzeros
Variable types: 0 continuous, 3807 integer (3807 binary)
Found heuristic solution: objective 18.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 2642 iterations, 0.05 seconds

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

     0     0    2.00000    0   20    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   20    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   64    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   72    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   64    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0  105    3.00000    2.00000  33.3%     -    1s
     0     0    2.00000    0   20    3.00000    2.00000  33.3%     -    1s
     0     0    2.00000    0   64    3.00000    2.00000  33.3%     -    2s
     0     0    2.00000    0   64    3.00000    2.00000  33.3%     -    2s
     0     2    2.00000    0   64    3.00000    2.00000  33.3%     -    2s
     9     8    2.00000    1   20    3.00000    2.00000  33.3%   525    5s

Cutting planes:
  Gomory: 15

Explored 14 nodes (102680 simplex iterations) in 5.49 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%