Gurobi 5.0.1 (linux64) logging started Sat Nov 17 03:04:41 2012

Optimize a model with 57238 rows, 49062 columns and 219672 nonzeros
Presolve removed 463 rows and 4201 columns
Presolve time: 1.44s
Presolved: 56775 rows, 44861 columns, 213854 nonzeros
Variable types: 0 continuous, 44861 integer (44861 binary)
Found heuristic solution: objective 221.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 348 iterations, 0.03 seconds

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

     0     0 infeasible    0         3.00000    2.00000  33.3%     -    1s

Explored 0 nodes (348 simplex iterations) in 1.61 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%