Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:41:48 2013

Optimize a model with 140 rows, 11030 columns and 32040 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.02s
Presolved: 130 rows, 11020 columns, 22030 nonzeros
Variable types: 11020 continuous, 0 integer (0 binary)

Root relaxation: objective 1.997658e+04, 91 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     2 19976.5790    0    2          - 19976.5790     -      -    0s
*   39     5              20    20158.472533 20156.6976  0.01%   2.5    0s

Explored 40 nodes (187 simplex iterations) in 0.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.015847253259e+04, best bound 2.015669763251e+04, gap 0.0088%