Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:24 2013

Optimize a model with 240 rows, 1280 columns and 3590 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 230 rows, 1270 columns, 3380 nonzeros
Variable types: 1220 continuous, 50 integer (50 binary)

Root relaxation: objective 1.937272e+04, 109 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    6          - 19372.7157     -      -    0s
     0     0 19377.9519    0    8          - 19377.9519     -      -    0s
     0     0 19446.1611    0    5          - 19446.1611     -      -    0s
     0     0 19446.1611    0    5          - 19446.1611     -      -    0s
H    0     0                    19730.526132 19446.1611  1.44%     -    0s
     0     2 19480.3990    0    5 19730.5261 19480.3990  1.27%     -    0s
*    6     5               6    19518.484262 19508.5774  0.05%  11.0    0s
*   10     3               7    19513.567182 19508.5774  0.03%   7.4    0s

Cutting planes:
  Gomory: 2
  Flow cover: 2

Explored 14 nodes (342 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.951356718242e+04, best bound 1.951356718242e+04, gap 0.0%