Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:16:21 2012

Optimize a model with 3864 rows, 3192 columns and 14560 nonzeros
Presolve removed 6 rows and 336 columns
Presolve time: 0.09s
Presolved: 3858 rows, 2856 columns, 14224 nonzeros
Variable types: 0 continuous, 2856 integer (2856 binary)
Found heuristic solution: objective 29.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 3032 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  100    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0  100    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0  152    3.00000    2.00000  33.3%     -    2s
     0     0    2.00000    0  152    3.00000    2.00000  33.3%     -    3s
     0     0    2.00000    0  152    3.00000    2.00000  33.3%     -    4s
     0     0    2.00000    0  152    3.00000    2.00000  33.3%     -    5s
     0     0    2.00000    0  152    3.00000    2.00000  33.3%     -    5s
     0     2    2.00000    0  152    3.00000    2.00000  33.3%     -    7s
     6     6    2.00000    1  100    3.00000    2.00000  33.3%   632   10s
     9     8    2.00000    1  100    3.00000    2.00000  33.3%   421   15s

Cutting planes:
  Gomory: 6
  Zero half: 1

Explored 14 nodes (96945 simplex iterations) in 16.99 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%