Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:27:53 2013

Optimize a model with 129858 rows, 8464 columns and 393576 nonzeros
Presolve removed 8259 rows and 4283 columns
Presolve time: 1.48s
Presolved: 121599 rows, 4181 columns, 368445 nonzeros
Variable types: 41 continuous, 4140 integer (4140 binary)
Found heuristic solution: objective 190203.00000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   31879    1.3516792e+05   0.000000e+00   1.056948e+06      5s
   37882    1.3884194e+05   0.000000e+00   0.000000e+00      6s
   37882    1.3884194e+05   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 1.388419e+05, 37882 iterations, 6.04 seconds

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

     0     0 138841.937    0   15 190203.000 138841.937  27.0%     -    8s
H    0     0                    138848.00000 138841.937  0.00%     -    8s

Explored 0 nodes (37941 simplex iterations) in 8.20 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.388480000000e+05, best bound 1.388420000000e+05, gap 0.0043%