Gurobi 5.0.1 (linux64) logging started Mon Feb  4 21:17:39 2013

Optimize a model with 972150 rows, 32400 columns and 2932200 nonzeros
Presolve removed 26028 rows and 16289 columns (presolve time = 5s) ...
Presolve removed 31311 rows and 16301 columns (presolve time = 10s) ...
Presolve removed 34275 rows and 16313 columns
Presolve time: 15.31s
Presolved: 937875 rows, 16087 columns, 2827782 nonzeros
Variable types: 80 continuous, 16007 integer (16007 binary)
Found heuristic solution: objective 747940.00000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    6004    2.6552237e+05   0.000000e+00   5.127222e+08      5s
   15010    2.6588291e+05   0.000000e+00   3.059045e+09     11s
   21014    2.6645920e+05   0.000000e+00   2.430079e+09     16s
   27018    2.7237244e+05   0.000000e+00   3.587330e+10     21s
   33022    4.6846910e+05   0.000000e+00   2.470406e+09     25s
   40527    4.7043207e+05   0.000000e+00   6.212226e+08     30s
   49533    4.7363347e+05   0.000000e+00   8.018583e+08     36s
   58539    4.7930952e+05   0.000000e+00   6.291395e+09     41s
   67545    4.8305780e+05   0.000000e+00   1.817996e+09     45s
   78053    4.8693676e+05   0.000000e+00   1.529705e+09     50s
   90091    4.9095178e+05   0.000000e+00   2.273747e+09     55s
  102099    4.9609638e+05   0.000000e+00   1.403827e+09     61s
  112606    4.9982954e+05   0.000000e+00   9.026907e+08     65s
  124614    5.0389831e+05   0.000000e+00   1.178829e+09     71s
  136634    5.0922616e+05   0.000000e+00   4.323876e+08     75s
  153155    5.1940024e+05   0.000000e+00   1.550200e+08     80s
  166664    5.3022067e+05   0.000000e+00   3.859664e+07     86s
  178672    5.4090699e+05   0.000000e+00   2.060862e+07     90s
  190680    5.4976677e+05   0.000000e+00   1.555642e+07     95s
  198185    5.5467763e+05   0.000000e+00   4.284112e+06    100s
  204189    5.5868923e+05   0.000000e+00   5.794897e+05    106s
  204662    5.5895600e+05   0.000000e+00   0.000000e+00    108s
  204662    5.5895600e+05   0.000000e+00   0.000000e+00    108s

Root relaxation: objective 5.589560e+05, 204662 iterations, 108.13 seconds

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

     0     0 558956.000    0   21 747940.000 558956.000  25.3%     -  129s
H    0     0                    558973.00000 558956.000  0.00%     -  129s

Explored 0 nodes (205181 simplex iterations) in 129.62 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.589730000000e+05, best bound 5.589560000000e+05, gap 0.0030%