Gurobi 5.0.1 (linux64) logging started Mon Feb  4 20:08:27 2013

Optimize a model with 457450 rows, 19600 columns and 1381800 nonzeros
Presolve removed 22321 rows and 9901 columns (presolve time = 5s) ...
Presolve removed 22449 rows and 9901 columns
Presolve time: 6.33s
Presolved: 435001 rows, 9699 columns, 1313630 nonzeros
Variable types: 63 continuous, 9636 integer (9636 binary)
Found heuristic solution: objective 453496.00000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    9450    2.8504909e+05   0.000000e+00   5.484289e+08      5s
   23625    2.9069648e+05   0.000000e+00   2.594884e+08     10s
   38745    2.9736842e+05   0.000000e+00   4.730268e+08     15s
   54823    3.0447111e+05   0.000000e+00   1.881781e+08     20s
   76569    3.1804980e+05   0.000000e+00   5.714795e+07     25s
  100194    3.3152295e+05   0.000000e+00   1.357346e+07     30s
  107737    3.3572635e+05   0.000000e+00   0.000000e+00     34s
  107737    3.3572635e+05   0.000000e+00   0.000000e+00     34s

Root relaxation: objective 3.357263e+05, 107737 iterations, 33.69 seconds

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

     0     0 335726.346    0   14 453496.000 335726.346  26.0%     -   43s
H    0     0                    335746.00000 335726.346  0.01%     -   43s

Explored 0 nodes (108019 simplex iterations) in 43.48 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.357460000000e+05, best bound 3.357270000000e+05, gap 0.0057%