Gurobi 5.0.1 (linux64) logging started Sat Nov 17 06:42:47 2012

Optimize a model with 63335 rows, 54056 columns and 242902 nonzeros
Presolve removed 952 rows and 5106 columns
Presolve time: 1.59s
Presolved: 62383 rows, 48950 columns, 234940 nonzeros
Variable types: 0 continuous, 48950 integer (48950 binary)
Found heuristic solution: objective 232.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 371 iterations, 0.04 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 (371 simplex iterations) in 1.79 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%