Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:35:28 2013

Optimize a model with 147536 rows, 9216 columns and 446976 nonzeros
Presolve removed 11341 rows and 4698 columns
Presolve time: 1.57s
Presolved: 136195 rows, 4518 columns, 411468 nonzeros
Variable types: 31 continuous, 4487 integer (4487 binary)
Found heuristic solution: objective 221084.00000

Root relaxation: objective 1.771212e+05, 20960 iterations, 2.93 seconds
Total elapsed time = 5.07s

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

     0     0 177121.217    0    9 221084.000 177121.217  19.9%     -    5s
H    0     0                    177128.00000 177121.217  0.00%     -    5s

Explored 0 nodes (21095 simplex iterations) in 5.42 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.771280000000e+05, best bound 1.771220000000e+05, gap 0.0034%