Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:08:07 2012

Optimize a model with 8700 rows, 13572 columns and 39208 nonzeros
Presolve removed 29 rows and 3364 columns
Presolve time: 0.17s
Presolved: 8671 rows, 10208 columns, 35844 nonzeros
Variable types: 0 continuous, 10208 integer (10208 binary)
Found heuristic solution: objective 35.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 6549 iterations, 0.15 seconds

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

     0     0    2.00000    0   18    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0  113    3.00000    2.00000  33.3%     -    1s
     0     0    2.00000    0  200    3.00000    2.00000  33.3%     -    6s
     0     0    2.00000    0  296    3.00000    2.00000  33.3%     -   10s
     0     0    2.00000    0  187    3.00000    2.00000  33.3%     -   15s
     0     0    2.00000    0   18    3.00000    2.00000  33.3%     -   18s
     0     0    2.00000    0  111    3.00000    2.00000  33.3%     -   21s
     0     0    2.00000    0  103    3.00000    2.00000  33.3%     -   25s
     0     0    2.00000    0  196    3.00000    2.00000  33.3%     -   29s
     0     0    2.00000    0  111    3.00000    2.00000  33.3%     -   32s
     0     1    2.00000    0  111    3.00000    2.00000  33.3%     -   34s
     2     2    2.00000    1  111    3.00000    2.00000  33.3%  4693   35s
     6     5    2.00000    1   18    3.00000    2.00000  33.3%  1564   44s
     7     5    2.00000    1   18    3.00000    2.00000  33.3%  1341   49s
     8     6    2.00000    1   18    3.00000    2.00000  33.3%  1173   56s

Cutting planes:
  Gomory: 2
  Zero half: 5

Explored 8 nodes (294045 simplex iterations) in 56.15 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%