Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:42 2013

Optimize a model with 340 rows, 1220 columns and 2810 nonzeros
Presolve removed 40 rows and 30 columns
Presolve time: 0.01s
Presolved: 300 rows, 1190 columns, 2650 nonzeros
Variable types: 1100 continuous, 90 integer (90 binary)

Root relaxation: objective 1.937272e+04, 141 iterations, 0.00 seconds

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

     0     0 19372.7157    0    2          - 19372.7157     -      -    0s
     0     0 19429.2989    0    2          - 19429.2989     -      -    0s
     0     0 19479.5405    0    2          - 19479.5405     -      -    0s
     0     0 19481.4259    0    2          - 19481.4259     -      -    0s
H    0     0                    19595.690215 19481.4259  0.58%     -    0s
     0     2 19481.6961    0    2 19595.6902 19481.6961  0.58%     -    0s
H    1     1                    19544.062655 19481.6961  0.32%   0.0    0s
H    2     2                    19523.782017 19503.1611  0.11%   0.5    0s
*    5     3               4    19512.982017 19506.3452  0.03%   4.8    0s

Cutting planes:
  Gomory: 4

Explored 8 nodes (199 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.951298201724e+04, best bound 1.951298201724e+04, gap 0.0%