Gurobi 5.0.1 (linux64) logging started Sat Nov 17 04:19:31 2012

Optimize a model with 62549 rows, 50850 columns and 237373 nonzeros
Presolve removed 924 rows and 4952 columns
Presolve time: 4.41s
Presolved: 61625 rows, 45898 columns, 229625 nonzeros
Variable types: 0 continuous, 45898 integer (45898 binary)
Found heuristic solution: objective 225.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 386 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 (386 simplex iterations) in 4.60 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%