Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:58 2013

Optimize a model with 1070 rows, 3260 columns and 8505 nonzeros
Presolve removed 10 rows and 15 columns
Presolve time: 0.16s
Presolved: 1060 rows, 3245 columns, 6490 nonzeros
Variable types: 2250 continuous, 995 integer (995 binary)

Root relaxation: objective 1.704455e+04, 83 iterations, 0.00 seconds

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

     0     0 17044.5499    0    1          - 17044.5499     -      -    0s
H    0     0                    17172.300793 17044.5499  0.74%     -    0s
     0     0 17044.8368    0    2 17172.3008 17044.8368  0.74%     -    0s
     0     0 17044.9872    0    2 17172.3008 17044.9872  0.74%     -    0s
H    0     0                    17169.333286 17044.9872  0.72%     -    0s
     0     0 17044.9872    0    2 17169.3333 17044.9872  0.72%     -    0s
H    0     0                    17165.749455 17044.9872  0.70%     -    0s
     0     2 17046.3791    0    2 17165.7495 17046.3791  0.70%     -    0s
*   27     3              27    17091.445701 17088.6630  0.02%   1.3    0s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 30 nodes (331 simplex iterations) in 0.35 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.709144570108e+04, best bound 1.709144570108e+04, gap 0.0%