Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:08:26 2013

Optimize a model with 2032 rows, 4046 columns and 14090 nonzeros
Presolve removed 23 rows and 166 columns
Presolve time: 0.31s
Presolved: 2009 rows, 3880 columns, 11622 nonzeros
Variable types: 2018 continuous, 1862 integer (1862 binary)

Root relaxation: objective 5.282317e+03, 12 iterations, 0.00 seconds

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

     0     0 5282.31748    0    2          - 5282.31748     -      -    0s
     0     0 5293.79024    0    3          - 5293.79024     -      -    1s
     0     0 5293.79767    0    2          - 5293.79767     -      -    1s
     0     0 5293.80509    0    2          - 5293.80509     -      -    1s
     0     0 5293.81249    0    2          - 5293.81249     -      -    1s
     0     0 5293.81988    0    2          - 5293.81988     -      -    1s
H    0     0                    5326.4484045 5293.81988  0.61%     -    1s
     0     0 5293.81988    0    2 5326.44840 5293.81988  0.61%     -    1s
     0     0 5293.82726    0    2 5326.44840 5293.82726  0.61%     -    1s
     0     0 5293.83463    0    2 5326.44840 5293.83463  0.61%     -    1s
     0     0 5293.84198    0    2 5326.44840 5293.84198  0.61%     -    1s
     0     0 5293.84931    0    2 5326.44840 5293.84931  0.61%     -    1s
     0     2 5293.84931    0    2 5326.44840 5293.84931  0.61%     -    1s
H   55    33                    5297.3974205 5294.12892  0.06%   106    2s
H  220    28                    5296.6639357 5294.12892  0.05%  29.1    3s
*  388    28             372    5296.3130139 5294.12892  0.04%  17.8    3s

Cutting planes:
  Gomory: 1
  GUB cover: 1

Explored 417 nodes (7556 simplex iterations) in 3.59 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.296313013899e+03, best bound 5.296313013899e+03, gap 0.0%