Gurobi 5.0.1 (linux64) logging started Sat Nov 17 04:18:16 2012

Optimize a model with 59624 rows, 50850 columns and 228598 nonzeros
Presolve removed 24 rows and 4952 columns
Presolve time: 1.31s
Presolved: 59600 rows, 45898 columns, 223118 nonzeros
Variable types: 0 continuous, 45898 integer (45898 binary)
Found heuristic solution: objective 225.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 471 iterations, 0.03 seconds

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

     0     0    2.00000    0  398    3.00000    2.00000  33.3%     -    1s

Explored 0 nodes (934 simplex iterations) in 1.67 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%