Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:43:22 2012

Optimize a model with 5320 rows, 9120 columns and 24700 nonzeros
Presolve removed 30 rows and 2850 columns
Presolve time: 0.13s
Presolved: 5290 rows, 6270 columns, 21850 nonzeros
Variable types: 0 continuous, 6270 integer (6270 binary)
Found heuristic solution: objective 26.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 7386 iterations, 0.55 seconds

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

     0     0    2.00000    0   78    3.00000    2.00000  33.3%     -    1s
     0     0    2.00000    0  215    3.00000    2.00000  33.3%     -    2s
     0     0    2.00000    0   78    3.00000    2.00000  33.3%     -    3s
     0     0    2.00000    0  143    3.00000    2.00000  33.3%     -    4s
     0     0    2.00000    0  150    3.00000    2.00000  33.3%     -    5s
     0     0    2.00000    0  174    3.00000    2.00000  33.3%     -    7s
     0     0    2.00000    0  174    3.00000    2.00000  33.3%     -    8s
     0     2    2.00000    0  174    3.00000    2.00000  33.3%     -   10s
     5     5    2.00000    1  271    3.00000    2.00000  33.3%  1492   15s
     7     6    2.00000    1  147    3.00000    2.00000  33.3%  1066   20s
     9     8    2.00000    1   78    3.00000    2.00000  33.3%   829   26s
    11     9    2.00000    1   78    3.00000    2.00000  33.3%   678   30s

Cutting planes:
  Gomory: 3
  Zero half: 10

Explored 15 nodes (201044 simplex iterations) in 31.06 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%