Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:22 2013

Optimize a model with 1070 rows, 1260 columns and 4505 nonzeros
Presolve removed 15 rows and 10 columns
Presolve time: 0.05s
Presolved: 1055 rows, 1250 columns, 3490 nonzeros
Variable types: 755 continuous, 495 integer (495 binary)

Root relaxation: objective 9.876190e+03, 409 iterations, 0.01 seconds

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

     0     0 9876.18952    0    1          - 9876.18952     -      -    0s
     0     0 9911.65645    0    3          - 9911.65645     -      -    0s
     0     0 9927.67664    0    2          - 9927.67664     -      -    0s
H    0     0                    10023.316891 9927.67664  0.95%     -    0s
     0     0 9927.67664    0    1 10023.3169 9927.67664  0.95%     -    0s
     0     0 9927.67664    0    3 10023.3169 9927.67664  0.95%     -    0s
     0     0 9927.67664    0    2 10023.3169 9927.67664  0.95%     -    0s
     0     2 9927.69989    0    2 10023.3169 9927.69989  0.95%     -    0s
H   19     7                    9944.9225869 9941.00642  0.04%   4.1    0s
*   20     3              20    9942.9596239 9942.95962   0.0%   4.0    0s

Cutting planes:
  Gomory: 1
  Flow cover: 3

Explored 21 nodes (832 simplex iterations) in 0.21 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%