Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:19:40 2012

Optimize a model with 7560 rows, 14520 columns and 36720 nonzeros
Presolve removed 40 rows and 4800 columns
Presolve time: 0.15s
Presolved: 7520 rows, 9720 columns, 31920 nonzeros
Variable types: 0 continuous, 9720 integer (9720 binary)
Found heuristic solution: objective 29.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 6692 iterations, 0.17 seconds

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

     0     0    2.00000    0   64    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0  182    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   64    3.00000    2.00000  33.3%     -    1s
     0     0    2.00000    0  150    3.00000    2.00000  33.3%     -    3s
     0     0    2.00000    0  195    3.00000    2.00000  33.3%     -    7s
     0     0    2.00000    0   64    3.00000    2.00000  33.3%     -   10s
     0     0    2.00000    0  144    3.00000    2.00000  33.3%     -   12s
     0     0    2.00000    0  148    3.00000    2.00000  33.3%     -   16s
     0     0    2.00000    0  148    3.00000    2.00000  33.3%     -   17s
     0     2    2.00000    0  148    3.00000    2.00000  33.3%     -   20s
     6     6    2.00000    1   64    3.00000    2.00000  33.3%  1832   28s
     7     6    2.00000    1   64    3.00000    2.00000  33.3%  1571   32s
     8     7    2.00000    1   64    3.00000    2.00000  33.3%  1374   37s
     9     8    2.00000    1   68    3.00000    2.00000  33.3%  1222   43s
    11     9    2.00000    1   68    3.00000    2.00000  33.3%  1000   47s

Cutting planes:
  Gomory: 1
  Zero half: 7

Explored 14 nodes (290388 simplex iterations) in 49.33 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%