Gurobi 5.0.1 (linux64) logging started Sat Nov 17 03:32:50 2012

Optimize a model with 63331 rows, 49952 columns and 238831 nonzeros
Presolve removed 469 rows and 4685 columns
Presolve time: 4.61s
Presolved: 62862 rows, 45267 columns, 232469 nonzeros
Variable types: 0 continuous, 45267 integer (45267 binary)
Found heuristic solution: objective 223.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 385 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%     -    4s

Explored 0 nodes (385 simplex iterations) in 4.79 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%