Gurobi 5.0.1 (linux64) logging started Mon Feb  4 20:02:50 2013

Optimize a model with 457450 rows, 19600 columns and 1381800 nonzeros
Presolve removed 21215 rows and 9901 columns (presolve time = 5s) ...
Presolve removed 21610 rows and 9902 columns
Presolve time: 6.53s
Presolved: 435840 rows, 9698 columns, 1315054 nonzeros
Variable types: 55 continuous, 9643 integer (9643 binary)
Found heuristic solution: objective 475892.00000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   10395    3.3004095e+05   0.000000e+00   7.751242e+09      5s
   28354    3.4239723e+05   0.000000e+00   1.054022e+09     10s
   50089    3.5712136e+05   0.000000e+00   4.883396e+07     15s
   68989    3.6957090e+05   0.000000e+00   9.375248e+05     20s
   70697    3.7020817e+05   0.000000e+00   0.000000e+00     22s
   70697    3.7020817e+05   0.000000e+00   0.000000e+00     22s

Root relaxation: objective 3.702082e+05, 70697 iterations, 22.07 seconds
Total elapsed time = 30.14s

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

     0     0 370208.167    0   20 475892.000 370208.167  22.2%     -   31s
H    0     0                    370231.00000 370208.167  0.01%     -   31s

Explored 0 nodes (70920 simplex iterations) in 31.30 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.702310000000e+05, best bound 3.702090000000e+05, gap 0.0059%