Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:04:53 2013

Optimize a model with 140 rows, 3030 columns and 8040 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 130 rows, 3020 columns, 6030 nonzeros
Variable types: 3020 continuous, 0 integer (0 binary)

Root relaxation: objective 2.162324e+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 21623.2446    0    2          - 21623.2446     -      -    0s
     0     2 21623.2446    0    2          - 21623.2446     -      -    0s
*    2     2               1    22011.316113 21675.3035  1.53%  10.0    0s
*   31     7              16    21759.393350 21747.3031  0.06%   3.4    0s

Explored 41 nodes (230 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.175939334990e+04, best bound 2.175784588952e+04, gap 0.0071%