Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:06:38 2013

Optimize a model with 76647 rows, 75777 columns and 302847 nonzeros
Presolve removed 4018 rows and 0 columns
Presolve time: 0.52s
Presolved: 72629 rows, 75777 columns, 294811 nonzeros
Variable types: 75690 continuous, 87 integer (87 binary)

Root relaxation: objective 1.109816e+05, 16777 iterations, 3.90 seconds

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

     0     0 110981.637    0    3          - 110981.637     -      -    4s
H    0     0                    115736.00000 110981.637  4.11%     -    4s
     0     0 110993.347    0    4 115736.000 110993.347  4.10%     -    5s
H    0     0                    113564.00000 110993.347  2.26%     -    7s
H    0     0                    111777.63329 110993.347  0.70%     -    7s
H    0     0                    111754.74468 110993.347  0.68%     -    7s
H    0     0                    111668.00000 110993.347  0.60%     -    7s
     0     0 110993.347    0    3 111668.000 110993.347  0.60%     -   12s
     0     0 110993.347    0    4 111668.000 110993.347  0.60%     -   12s
     0     0 110994.265    0    5 111668.000 110994.265  0.60%     -   13s
     0     0 110995.102    0    6 111668.000 110995.102  0.60%     -   13s
     0     0 110995.111    0    6 111668.000 110995.111  0.60%     -   14s
     0     2 111010.863    0    6 111668.000 111010.863  0.59%     -   17s
    18     9 111496.000   16    1 111668.000 111286.710  0.34%   141   20s
*   58     0               6    111621.00000 111621.000   0.0%   120   22s

Cutting planes:
  Gomory: 3
  Flow cover: 1

Explored 59 nodes (31949 simplex iterations) in 22.68 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.116210000000e+05, best bound 1.116210000000e+05, gap 0.0%