Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:13:50 2012

Optimize a model with 3087 rows, 2450 columns and 11515 nonzeros
Presolve removed 3 rows and 147 columns
Presolve time: 0.06s
Presolved: 3084 rows, 2303 columns, 11368 nonzeros
Variable types: 0 continuous, 2303 integer (2303 binary)
Found heuristic solution: objective 31.0000000

Root relaxation: objective 2.000000e+00, 2264 iterations, 0.07 seconds

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

     0     0    2.00000    0   88   31.00000    2.00000  93.5%     -    0s
H    0     0                       4.0000000    2.00000  50.0%     -    0s
     0     0    2.00000    0  139    4.00000    2.00000  50.0%     -    0s
     0     0    2.00000    0  139    4.00000    2.00000  50.0%     -    1s
H    0     0                       3.0000000    2.00000  33.3%     -    1s
     0     0    2.00000    0  136    3.00000    2.00000  33.3%     -    2s
     0     0    2.00000    0  136    3.00000    2.00000  33.3%     -    2s
     0     0    2.00000    0  136    3.00000    2.00000  33.3%     -    3s
     0     0    2.00000    0  139    3.00000    2.00000  33.3%     -    4s
     0     0    2.00000    0  139    3.00000    2.00000  33.3%     -    5s
     0     2    2.00000    0  139    3.00000    2.00000  33.3%     -    6s
     9     8    2.00000    1   88    3.00000    2.00000  33.3%   479   11s

Cutting planes:
  Gomory: 16
  Zero half: 2

Explored 14 nodes (98933 simplex iterations) in 13.28 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%