Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:49:20 2012

Optimize a model with 16415 rows, 20880 columns and 69406 nonzeros
Presolve removed 290 rows and 2 columns
Presolve time: 0.30s
Presolved: 16269 rows, 20878 columns, 89198 nonzeros
Variable types: 0 continuous, 20878 integer (20878 binary)
Found heuristic solution: objective 144.0000000

Root relaxation: objective 3.000000e+00, 13781 iterations, 1.08 seconds

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

     0     0    3.00000    0   70  144.00000    3.00000  97.9%     -    4s
H    0     0                       3.0000000    3.00000   0.0%     -    4s

Explored 0 nodes (31827 simplex iterations) in 4.86 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%