Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:37:06 2013

Optimize a model with 152193 rows, 9409 columns and 461041 nonzeros
Presolve removed 31633 rows and 5052 columns
Presolve time: 1.94s
Presolved: 120560 rows, 4357 columns, 363839 nonzeros
Variable types: 23 continuous, 4334 integer (4334 binary)
Found heuristic solution: objective 233604.00000

Root relaxation: objective 2.060026e+05, 12255 iterations, 1.80 seconds

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

     0     0 206002.573    0    7 233604.000 206002.573  11.8%     -    4s
H    0     0                    206022.00000 206002.573  0.01%     -    4s

Explored 0 nodes (12285 simplex iterations) in 4.37 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.060220000000e+05, best bound 2.060030000000e+05, gap 0.0092%