Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:26 2013

Optimize a model with 140 rows, 1230 columns and 2640 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 130 rows, 1220 columns, 2430 nonzeros
Variable types: 1220 continuous, 0 integer (0 binary)

Root relaxation: objective 1.997658e+04, 120 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
*   16     6               8    20160.951892 20157.8096  0.02%   4.1    0s
*   18     0               9    20158.174631 20158.1746   0.0%   3.7    0s

Explored 19 nodes (187 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.015817463139e+04, best bound 2.015817463139e+04, gap 0.0%