Gurobi 5.0.1 (linux64) logging started Sat Nov 17 06:34:17 2012

Optimize a model with 60290 rows, 53592 columns and 233308 nonzeros
Presolve removed 489 rows and 5777 columns
Presolve time: 1.49s
Presolved: 59801 rows, 47815 columns, 225860 nonzeros
Variable types: 0 continuous, 47815 integer (47815 binary)
Found heuristic solution: objective 231.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 387 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 (387 simplex iterations) in 1.68 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%