Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:41:46 2013

Optimize a model with 161799 rows, 9801 columns and 490050 nonzeros
Presolve removed 15777 rows and 5034 columns
Presolve time: 2.07s
Presolved: 146022 rows, 4767 columns, 441230 nonzeros
Variable types: 33 continuous, 4734 integer (4734 binary)
Found heuristic solution: objective 231891.00000

Root relaxation: objective 1.879271e+05, 23482 iterations, 3.53 seconds

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

     0     0 187927.111    0    6 231891.000 187927.111  19.0%     -    6s
H    0     0                    187934.00000 187927.111  0.00%     -    6s

Explored 0 nodes (23522 simplex iterations) in 6.39 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.879340000000e+05, best bound 1.879280000000e+05, gap 0.0032%