Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:48:20 2012

Optimize a model with 16301 rows, 20592 columns and 68781 nonzeros
Presolve removed 34 rows and 4578 columns
Presolve time: 0.31s
Presolved: 16267 rows, 16014 columns, 63977 nonzeros
Variable types: 0 continuous, 16014 integer (16014 binary)
Found heuristic solution: objective 143.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 240 iterations, 0.01 seconds

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

     0     0    2.00000    0  188    3.00000    2.00000  33.3%     -    0s

Explored 0 nodes (431 simplex iterations) in 0.40 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%