Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:58:32 2013

Optimize a model with 366275 rows, 16900 columns and 1106950 nonzeros
Presolve removed 14595 rows and 8500 columns (presolve time = 5s) ...
Presolve removed 14595 rows and 8500 columns
Presolve time: 5.16s
Presolved: 351680 rows, 8400 columns, 1063160 nonzeros
Variable types: 64 continuous, 8336 integer (8336 binary)
Found heuristic solution: objective 397810.00000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   12390    2.3792147e+05   0.000000e+00   1.269445e+08      5s
   25607    2.4047880e+05   0.000000e+00   1.875558e+09     10s
   37997    2.4225162e+05   0.000000e+00   3.117781e+08     15s
   50387    2.4341844e+05   0.000000e+00   8.850473e+07     20s
   68619    2.4653529e+05   0.000000e+00   8.757220e+08     25s
   87666    2.5029838e+05   0.000000e+00   9.672556e+07     30s
  105839    2.5601349e+05   0.000000e+00   5.944118e+07     35s
  127344    2.6522118e+05   0.000000e+00   1.437745e+07     40s
  145806    2.7506689e+05   4.261364e-04   0.000000e+00     45s
  145808    2.7506689e+05   0.000000e+00   0.000000e+00     45s
  145808    2.7506689e+05   0.000000e+00   0.000000e+00     45s

Root relaxation: objective 2.750669e+05, 145808 iterations, 45.29 seconds

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

     0     0 275066.892    0   15 397810.000 275066.892  30.9%     -   52s
H    0     0                    275076.00000 275066.892  0.00%     -   52s

Explored 0 nodes (145864 simplex iterations) in 52.44 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.750760000000e+05, best bound 2.750670000000e+05, gap 0.0033%