Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:03:14 2013

Optimize a model with 1080 rows, 2265 columns and 7525 nonzeros
Presolve removed 5 rows and 5 columns
Presolve time: 0.12s
Presolved: 1075 rows, 2260 columns, 6520 nonzeros
Variable types: 1260 continuous, 1000 integer (1000 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    2          - 9876.18952     -      -    0s
     0     0 9883.85233    0    4          - 9883.85233     -      -    0s
     0     0 9888.58014    0    4          - 9888.58014     -      -    0s
     0     0 9890.70669    0    5          - 9890.70669     -      -    0s
     0     0 9891.83473    0    2          - 9891.83473     -      -    0s
     0     0 9892.14051    0    4          - 9892.14051     -      -    0s
     0     0 9892.44655    0    3          - 9892.44655     -      -    0s
     0     0 9893.91766    0    2          - 9893.91766     -      -    0s
     0     0 9894.00780    0    8          - 9894.00780     -      -    0s
     0     0 9894.78779    0    6          - 9894.78779     -      -    0s
     0     0 9894.80312    0    6          - 9894.80312     -      -    0s
     0     0 9894.80435    0    6          - 9894.80435     -      -    0s
     0     0 9894.82642    0    6          - 9894.82642     -      -    0s
     0     0 9894.82642    0    6          - 9894.82642     -      -    0s
     0     2 9894.82642    0    6          - 9894.82642     -      -    0s
*   18     3              11    9942.9596239 9942.95293  0.00%   9.1    0s

Cutting planes:
  Gomory: 1
  Implied bound: 15
  Flow cover: 5

Explored 19 nodes (310 simplex iterations) in 0.56 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.942959623924e+03, best bound 9.942952925509e+03, gap 0.0001%