Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:49 2013

Optimize a model with 140 rows, 1130 columns and 2340 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 130 rows, 1120 columns, 2230 nonzeros
Variable types: 1120 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                    20438.593638 19976.5790  2.26%     -    0s
     0     2 19976.5790    0    2 20438.5936 19976.5790  2.26%     -    0s
*   11     5               6    20174.566067 20154.2362  0.10%   2.4    0s
*   13     3               7    20160.594832 20155.7978  0.02%   2.2    0s
*   14     0               7    20157.611196 20157.6112   0.0%   2.1    0s

Explored 15 nodes (126 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.015761119649e+04, best bound 2.015761119649e+04, gap 0.0%