Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:39:34 2013

Optimize a model with 156947 rows, 9604 columns and 475398 nonzeros
Presolve removed 11870 rows and 4893 columns
Presolve time: 2.11s
Presolved: 145077 rows, 4711 columns, 438362 nonzeros
Variable types: 33 continuous, 4678 integer (4678 binary)
Found heuristic solution: objective 237747.00000

Root relaxation: objective 1.844375e+05, 23932 iterations, 3.33 seconds

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

     0     0 184437.529    0   10 237747.000 184437.529  22.4%     -    6s
H    0     0                    184465.00000 184437.529  0.01%     -    6s
H    0     0                    184444.00000 184437.529  0.00%     -    6s

Explored 0 nodes (24002 simplex iterations) in 6.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.844440000000e+05, best bound 1.844380000000e+05, gap 0.0033%