Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:23:56 2012

Optimize a model with 47072 rows, 45582 columns and 185734 nonzeros
Presolve removed 879 rows and 5327 columns
Presolve time: 1.18s
Presolved: 46193 rows, 40255 columns, 177845 nonzeros
Variable types: 0 continuous, 40255 integer (40255 binary)
Found heuristic solution: objective 213.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 325 iterations, 0.02 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 (325 simplex iterations) in 1.31 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%