Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:29 2013

Optimize a model with 140 rows, 1575 columns and 10575 nonzeros
Presolve removed 5 rows and 285 columns
Presolve time: 0.01s
Presolved: 135 rows, 1290 columns, 9575 nonzeros
Variable types: 1255 continuous, 35 integer (35 binary)

Root relaxation: objective 9.876190e+03, 52 iterations, 0.00 seconds

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

     0     0 9876.18952    0    4          - 9876.18952     -      -    0s
     0     0 9876.67167    0   11          - 9876.67167     -      -    0s
     0     0 9876.79221    0    7          - 9876.79221     -      -    0s
     0     0 9913.82206    0    7          - 9913.82206     -      -    0s
     0     0 9939.07350    0    3          - 9939.07350     -      -    0s
     0     0 9939.07350    0    3          - 9939.07350     -      -    0s
H    0     0                    10062.074125 9939.07350  1.22%     -    0s
     0     0 9939.07350    0    3 10062.0741 9939.07350  1.22%     -    0s
     0     0 9939.12675    0    9 10062.0741 9939.12675  1.22%     -    0s
     0     0 9939.14940    0    6 10062.0741 9939.14940  1.22%     -    0s
     0     0 9939.15651    0    6 10062.0741 9939.15651  1.22%     -    0s
     0     2 9939.24267    0    6 10062.0741 9939.24267  1.22%     -    0s
*    5     4               5    9944.2917036 9939.77933  0.05%   5.0    0s
*    7     1               3    9942.9596239 9939.77933  0.03%   3.9    0s

Cutting planes:
  Gomory: 1
  Flow cover: 4

Explored 9 nodes (271 simplex iterations) in 0.15 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.942959623924e+03, best bound 9.942959623924e+03, gap 0.0%