Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:37 2013

Optimize a model with 140 rows, 1080 columns and 2190 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 130 rows, 1070 columns, 2130 nonzeros
Variable types: 1070 continuous, 0 integer (0 binary)

Root relaxation: objective 1.997658e+04, 97 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
H    0     0                    20184.435784 19976.5790  1.03%     -    0s
     0     2 19976.5790    0    2 20184.4358 19976.5790  1.03%     -    0s
*    5     3               3    20159.818049 20128.6757  0.15%   2.2    0s
*   12     0               4    20156.328750 20156.3288   0.0%   1.4    0s

Explored 13 nodes (114 simplex iterations) in 0.01 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%