Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:31:15 2013

Optimize a model with 138509 rows, 8836 columns and 419710 nonzeros
Presolve removed 17506 rows and 4590 columns
Presolve time: 1.64s
Presolved: 121003 rows, 4246 columns, 365099 nonzeros
Variable types: 23 continuous, 4223 integer (4223 binary)
Found heuristic solution: objective 219836.00000

Root relaxation: objective 1.895914e+05, 11455 iterations, 1.97 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0 189591.368    0    5 219836.000 189591.368  13.8%     -    4s
H    0     0                    189601.00000 189591.368  0.01%     -    4s

Explored 0 nodes (11505 simplex iterations) in 4.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.896010000000e+05, best bound 1.895920000000e+05, gap 0.0047%