Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:38:47 2012

Optimize a model with 57619 rows, 46440 columns and 218223 nonzeros
Presolve removed 880 rows and 3872 columns
Presolve time: 4.03s
Presolved: 56739 rows, 42568 columns, 211675 nonzeros
Variable types: 0 continuous, 42568 integer (42568 binary)
Found heuristic solution: objective 215.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 377 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 (377 simplex iterations) in 4.20 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%