Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:59:48 2013

Optimize a model with 1600 rows, 76750 columns and 650950 nonzeros
Presolve removed 50 rows and 1250 columns
Presolve time: 1.14s
Presolved: 1550 rows, 75500 columns, 600950 nonzeros
Variable types: 75050 continuous, 450 integer (450 binary)

Root relaxation: objective 2.246016e+05, 2915 iterations, 0.19 seconds

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

     0     0 224601.597    0    7          - 224601.597     -      -    1s
     0     0 224601.597    0    7          - 224601.597     -      -    2s
     0     0 224601.597    0    7          - 224601.597     -      -    2s
     0     0 224601.597    0    7          - 224601.597     -      -    2s
     0     0 224601.597    0    7          - 224601.597     -      -    3s
     0     0 224601.597    0    7          - 224601.597     -      -    3s
     0     0 224601.597    0    7          - 224601.597     -      -    3s
     0     2 224601.597    0    7          - 224601.597     -      -    9s
    10    12 224931.418   10    7          - 224625.536     -   55.3   10s
*  126    72             114    225403.48084 224625.536  0.35%   8.6   14s
   145    82 224921.049   22    7 225403.481 224666.271  0.33%   9.0   15s
H  182    57                    225159.54180 224666.271  0.22%   8.6   16s
*  191     5               5    224847.24808 224691.466  0.07%   9.1   16s

Cutting planes:
  Flow cover: 2

Explored 217 nodes (7999 simplex iterations) in 17.61 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.248472480793e+05, best bound 2.248472480793e+05, gap 0.0%