Gurobi 5.0.1 (linux64) logging started Sat Nov 17 07:23:56 2012

Optimize a model with 63919 rows, 55460 columns and 246043 nonzeros
Presolve removed 493 rows and 4937 columns
Presolve time: 1.68s
Presolved: 63426 rows, 50523 columns, 239393 nonzeros
Variable types: 0 continuous, 50523 integer (50523 binary)
Found heuristic solution: objective 235.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 371 iterations, 0.06 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 1.90 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%