Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:39:11 2013

Optimize a model with 156947 rows, 9604 columns and 475398 nonzeros
Presolve removed 20987 rows and 5007 columns
Presolve time: 1.96s
Presolved: 135960 rows, 4597 columns, 409866 nonzeros
Variable types: 21 continuous, 4576 integer (4576 binary)
Found heuristic solution: objective 238144.00000

Root relaxation: objective 2.069531e+05, 13280 iterations, 2.08 seconds

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

     0     0 206953.105    0    7 238144.000 206953.105  13.1%     -    4s
H    0     0                    206987.00000 206953.105  0.02%     -    4s
H    0     0                    206970.00000 206953.105  0.01%     -    4s

Explored 0 nodes (13302 simplex iterations) in 4.64 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.069700000000e+05, best bound 2.069540000000e+05, gap 0.0077%