Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:31 2013

Optimize a model with 240 rows, 1120 columns and 2410 nonzeros
Presolve removed 40 rows and 30 columns
Presolve time: 0.00s
Presolved: 200 rows, 1090 columns, 2300 nonzeros
Variable types: 1050 continuous, 40 integer (40 binary)

Root relaxation: objective 1.997658e+04, 122 iterations, 0.00 seconds

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

     0     0 19976.5790    0    2          - 19976.5790     -      -    0s
     0     0 20047.7665    0    3          - 20047.7665     -      -    0s
     0     0 20112.8164    0    4          - 20112.8164     -      -    0s
     0     0 20115.5665    0    4          - 20115.5665     -      -    0s
H    0     0                    20622.988483 20115.5665  2.46%     -    0s
     0     2 20115.8619    0    4 20622.9885 20115.8619  2.46%     -    0s
H    3     3                    20170.504012 20131.2416  0.19%   3.0    0s
*    4     2               3    20159.818049 20141.2502  0.09%   9.0    0s
*    5     1               4    20156.328750 20147.4156  0.04%   8.6    0s

Cutting planes:
  Gomory: 4

Explored 7 nodes (207 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.015632875028e+04, best bound 2.015632875028e+04, gap 0.0%