Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:04:34 2013

Optimize a model with 93216 rows, 92256 columns and 368736 nonzeros
Presolve removed 6044 rows and 0 columns
Presolve time: 0.66s
Presolved: 87172 rows, 92256 columns, 356648 nonzeros
Variable types: 92160 continuous, 96 integer (96 binary)

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   20401    1.3879093e+05   1.503664e+03   0.000000e+00      5s
   21704    1.3927451e+05   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 1.392745e+05, 21704 iterations, 5.75 seconds

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

     0     0 139274.508    0    3          - 139274.508     -      -    6s
H    0     0                    139944.00000 139274.508  0.48%     -    6s
     0     0 139276.670    0    4 139944.000 139276.670  0.48%     -    7s
     0     0 139276.670    0    4 139944.000 139276.670  0.48%     -    8s
     0     0 139276.670    0    3 139944.000 139276.670  0.48%     -   16s
     0     0 139276.670    0    4 139944.000 139276.670  0.48%     -   16s
     0     2 139279.998    0    4 139944.000 139279.998  0.47%     -   19s
     2     5 139453.442    2    4 139944.000 139311.175  0.45%   314   20s
H    8     7                    139706.66667 139459.393  0.18%   192   21s
H   10     8                    139624.60606 139459.393  0.12%   162   21s
*   26    10              10    139584.00000 139459.755  0.09%   101   22s
*   40     1               8    139560.00000 139537.397  0.02%  78.5   22s

Cutting planes:
  Gomory: 1
  Flow cover: 4

Explored 42 nodes (36280 simplex iterations) in 23.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.395600000000e+05, best bound 1.395600000000e+05, gap 0.0%