Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:55:24 2013

Optimize a model with 81990 rows, 81090 columns and 324090 nonzeros
Presolve removed 1336 rows and 0 columns
Presolve time: 0.54s
Presolved: 80654 rows, 81090 columns, 321418 nonzeros
Variable types: 81000 continuous, 90 integer (90 binary)

Root relaxation: objective 9.540112e+04, 16156 iterations, 4.35 seconds
Total elapsed time = 5.00s

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

     0     0 95401.1201    0    4          - 95401.1201     -      -    5s
H    0     0                    99547.000000 95401.1201  4.16%     -    5s
H    0     0                    98854.000000 95401.1201  3.49%     -    5s
H    0     0                    96024.000000 95401.1201  0.65%     -    6s
     0     0 95401.6955    0    5 96024.0000 95401.6955  0.65%     -    6s
     0     0 95401.6955    0    5 96024.0000 95401.6955  0.65%     -    6s
     0     0 95401.6955    0    4 96024.0000 95401.6955  0.65%     -   14s
     0     0 95401.8894    0    5 96024.0000 95401.8894  0.65%     -   14s
     0     0 95401.8894    0    5 96024.0000 95401.8894  0.65%     -   15s
     0     2 95412.1261    0    5 96024.0000 95412.1261  0.64%     -   17s
    15    10 95900.6558   14    2 96024.0000 95645.1104  0.39%   151   20s
*   18     8              16    96008.000000 95645.1104  0.38%   151   20s
*   42     7               4    95913.000000 95739.1338  0.18%   136   22s

Cutting planes:
  Gomory: 1
  Flow cover: 7

Explored 53 nodes (31638 simplex iterations) in 22.62 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.591300000000e+04, best bound 9.591300000000e+04, gap 0.0%