Gurobi 5.0.1 (linux64) logging started Mon Feb  4 20:20:28 2013

Optimize a model with 562625 rows, 22500 columns and 1698750 nonzeros
Presolve removed 19330 rows and 11331 columns (presolve time = 5s) ...
Presolve removed 23510 rows and 11345 columns
Presolve time: 8.63s
Presolved: 539115 rows, 11155 columns, 1626749 nonzeros
Variable types: 64 continuous, 11091 integer (11091 binary)
Found heuristic solution: objective 510883.00000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    7504    3.2555613e+05   0.000000e+00   8.329699e+08      5s
   16080    3.2655797e+05   0.000000e+00   2.608327e+09     10s
   24656    3.3204122e+05   0.000000e+00   9.971596e+08     15s
   37523    3.3725340e+05   0.000000e+00   1.197180e+08     20s
   51459    3.4585970e+05   0.000000e+00   2.240353e+08     25s
   68611    3.5685848e+05   0.000000e+00   1.122145e+08     30s
   85763    3.6683708e+05   0.000000e+00   1.097109e+08     35s
   99699    3.7594956e+05   0.000000e+00   9.057685e+06     40s
  108259    3.8279483e+05   0.000000e+00   0.000000e+00     44s
  108259    3.8279483e+05   0.000000e+00   0.000000e+00     44s

Root relaxation: objective 3.827948e+05, 108259 iterations, 44.50 seconds
Total elapsed time = 55.58s

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

     0     0 382794.833    0   13 510883.000 382794.833  25.1%     -   56s
H    0     0                    382805.00000 382794.833  0.00%     -   57s

Explored 0 nodes (108626 simplex iterations) in 57.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.828050000000e+05, best bound 3.827950000000e+05, gap 0.0026%