Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:50:53 2013

Optimize a model with 1300 rows, 31800 columns and 95650 nonzeros
Presolve removed 50 rows and 1450 columns
Presolve time: 0.21s
Presolved: 1250 rows, 30350 columns, 90650 nonzeros
Variable types: 30050 continuous, 300 integer (300 binary)

Root relaxation: objective 2.252562e+05, 2959 iterations, 0.23 seconds

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

     0     0 225256.157    0    3          - 225256.157     -      -    0s
     0     0 225289.104    0    6          - 225289.104     -      -    0s
     0     0 225290.002    0    6          - 225290.002     -      -    0s
     0     0 225290.729    0    6          - 225290.729     -      -    1s
     0     0 225292.744    0    6          - 225292.744     -      -    1s
     0     0 225292.744    0    6          - 225292.744     -      -    1s
     0     0 225292.744    0    6          - 225292.744     -      -    1s
     0     0 225292.744    0    6          - 225292.744     -      -    1s
     0     0 225292.744    0    6          - 225292.744     -      -    1s
     0     0 225292.744    0    6          - 225292.744     -      -    1s
H    0     0                    228999.49598 225292.744  1.62%     -    1s
     0     2 225292.744    0    6 228999.496 225292.744  1.62%     -    2s
*   10     3              10    225915.15199 225915.152   0.0%  86.2    2s

Cutting planes:
  Flow cover: 7

Explored 11 nodes (4944 simplex iterations) in 2.78 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.259151519913e+05, best bound 2.259151519913e+05, gap 0.0%