Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:53:44 2013

Optimize a model with 2310 rows, 441210 columns and 882210 nonzeros
Presolve time: 1.35s
Presolved: 2310 rows, 441210 columns, 882210 nonzeros
Variable types: 441000 continuous, 210 integer (210 binary)

Root relaxation: objective 3.904038e+05, 13373 iterations, 2.11 seconds

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

     0     0 390403.756    0    5          - 390403.756     -      -    3s
H    0     0                    398011.00000 390403.756  1.91%     -    4s
H    0     0                    396112.00000 390403.756  1.44%     -    5s
     0     0 390548.485    0    3 396112.000 390548.485  1.40%     -    7s
     0     0 390548.485    0    5 396112.000 390548.485  1.40%     -   10s
     0     0 390548.485    0    3 396112.000 390548.485  1.40%     -   12s
     0     0 390569.230    0    3 396112.000 390569.230  1.40%     -   12s
     0     0 390569.251    0    3 396112.000 390569.251  1.40%     -   13s
     0     0 390569.560    0    3 396112.000 390569.560  1.40%     -   13s
     0     0 390571.692    0    2 396112.000 390571.692  1.40%     -   14s
     0     0 390571.692    0    2 396112.000 390571.692  1.40%     -   15s
     0     0 390571.692    0    2 396112.000 390571.692  1.40%     -   15s
     0     0 390571.692    0    2 396112.000 390571.692  1.40%     -   16s
     0     0 390571.692    0    2 396112.000 390571.692  1.40%     -   17s
H    0     0                    390648.00000 390571.692  0.02%     -   18s
     0     1 390581.096    0    1 390648.000 390581.096  0.02%     -   19s

Cutting planes:
  Implied bound: 102
  Flow cover: 8

Explored 2 nodes (25288 simplex iterations) in 19.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.906480000000e+05, best bound 3.906480000000e+05, gap 0.0%