Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:35:17 2013

Optimize a model with 147536 rows, 9216 columns and 446976 nonzeros
Presolve removed 8863 rows and 4660 columns
Presolve time: 1.72s
Presolved: 138673 rows, 4556 columns, 419922 nonzeros
Variable types: 42 continuous, 4514 integer (4514 binary)
Found heuristic solution: objective 209351.00000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   37379    1.5520938e+05   0.000000e+00   8.774590e+05      5s
   41329    1.5718084e+05   0.000000e+00   0.000000e+00      6s
   41329    1.5718084e+05   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 1.571808e+05, 41329 iterations, 5.73 seconds

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

     0     0 157180.843    0   13 209351.000 157180.843  24.9%     -    8s
H    0     0                    157205.00000 157180.843  0.02%     -    8s
H    0     0                    157201.00000 157180.843  0.01%     -    8s
H    0     0                    157193.00000 157180.843  0.01%     -    8s

Explored 0 nodes (41369 simplex iterations) in 8.35 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.571930000000e+05, best bound 1.571810000000e+05, gap 0.0076%