Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:27:28 2013

Optimize a model with 63279 rows, 62489 columns and 249719 nonzeros
Presolve removed 6024 rows and 0 columns
Presolve time: 0.41s
Presolved: 57255 rows, 62489 columns, 237671 nonzeros
Variable types: 62410 continuous, 79 integer (79 binary)

Root relaxation: objective 9.535987e+04, 14130 iterations, 2.94 seconds

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

     0     0 95359.8713    0    4          - 95359.8713     -      -    3s
H    0     0                    97455.000000 95359.8713  2.15%     -    3s
H    0     0                    96914.000000 95359.8713  1.60%     -    3s
     0     0 95365.6110    0    5 96914.0000 95365.6110  1.60%     -    4s
     0     0 95365.9111    0    6 96914.0000 95365.9111  1.60%     -    4s
     0     0 95365.9412    0    7 96914.0000 95365.9412  1.60%     -    5s
H    0     0                    95749.324324 95365.9412  0.40%     -    6s
H    0     0                    95506.000000 95365.9412  0.15%     -    6s
     0     0 95365.9412    0    3 95506.0000 95365.9412  0.15%     -    8s
     0     0 95367.4411    0    6 95506.0000 95367.4411  0.15%     -    8s
     0     0 95367.4411    0    6 95506.0000 95367.4411  0.15%     -    9s
     0     2 95367.4802    0    6 95506.0000 95367.4802  0.15%     -   10s
*   12     2               3    95488.000000 95403.9062  0.09%  92.6   10s
*   21     3               6    95461.000000 95407.1760  0.06%  72.9   11s

Cutting planes:
  Gomory: 2
  Flow cover: 4

Explored 24 nodes (20369 simplex iterations) in 11.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.546100000000e+04, best bound 9.545818446602e+04, gap 0.0029%