Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:28:07 2012

Optimize a model with 26659 rows, 29756 columns and 108874 nonzeros
Presolve removed 31 rows and 4990 columns
Presolve time: 0.57s
Presolved: 26628 rows, 24766 columns, 103576 nonzeros
Variable types: 0 continuous, 24766 integer (24766 binary)
Found heuristic solution: objective 172.0000000

Root relaxation: objective 2.000000e+00, 17001 iterations, 0.94 seconds

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

     0     0    2.00000    0  246  172.00000    2.00000  98.8%     -    3s
H    0     0                     160.0000000    2.00000  98.8%     -    3s
H    0     0                       4.0000000    2.00000  50.0%     -    3s
     0     0    2.14286    0 1546    4.00000    2.14286  46.4%     -    8s
     0     0    2.28571    0  557    4.00000    2.28571  42.9%     -   11s
H    0     0                       3.0000000    2.28571  23.8%     -   11s

Cutting planes:
  Zero half: 8

Explored 0 nodes (69303 simplex iterations) in 11.17 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%