Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:31:22 2013

Optimize a model with 138509 rows, 8836 columns and 419710 nonzeros
Presolve removed 12587 rows and 4520 columns
Presolve time: 1.55s
Presolved: 125922 rows, 4316 columns, 381312 nonzeros
Variable types: 39 continuous, 4277 integer (4277 binary)
Found heuristic solution: objective 188282.00000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   33002    1.4346439e+05   0.000000e+00   1.847830e+06      5s
   41082    1.4782805e+05   0.000000e+00   0.000000e+00      6s
   41082    1.4782805e+05   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 1.478281e+05, 41082 iterations, 6.24 seconds

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

     0     0 147828.054    0   14 188282.000 147828.054  21.5%     -    8s
H    0     0                    147833.00000 147828.054  0.00%     -    8s

Explored 0 nodes (41130 simplex iterations) in 8.52 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.478330000000e+05, best bound 1.478290000000e+05, gap 0.0027%