Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:22:46 2013

Optimize a model with 78408 rows, 77528 columns and 309848 nonzeros
Presolve removed 8282 rows and 0 columns
Presolve time: 0.55s
Presolved: 70126 rows, 77528 columns, 293284 nonzeros
Variable types: 77440 continuous, 88 integer (88 binary)

Root relaxation: objective 1.130042e+05, 16049 iterations, 4.03 seconds

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

     0     0 113004.198    0    2          - 113004.198     -      -    4s
H    0     0                    113975.00000 113004.198  0.85%     -    5s
H    0     0                    113433.00000 113004.198  0.38%     -    5s
     0     0 113005.956    0    3 113433.000 113005.956  0.38%     -    5s
     0     0 113005.956    0    3 113433.000 113005.956  0.38%     -    6s
     0     0 113005.956    0    2 113433.000 113005.956  0.38%     -   10s
     0     0 113005.956    0    3 113433.000 113005.956  0.38%     -   11s
     0     2 113011.698    0    3 113433.000 113011.698  0.37%     -   12s
H    4     4                    113311.00000 113167.392  0.13%   130   13s
H    7     5                    113308.00000 113167.392  0.12%  87.0   13s
H   13     6                    113262.00000 113167.392  0.08%  70.5   13s
H   14     7                    113260.50000 113167.392  0.08%  68.0   13s
*   17     6              15    113240.00000 113167.392  0.06%  61.2   14s
*   21     0               6    113212.00000 113212.000   0.0%  66.1   14s

Cutting planes:
  Gomory: 1
  Flow cover: 3

Explored 22 nodes (23873 simplex iterations) in 14.26 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.132120000000e+05, best bound 1.132120000000e+05, gap 0.0%