Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:44 2013

Optimize a model with 28 rows, 1046 columns and 3088 nonzeros
Presolve removed 22 rows and 23 columns
Presolve time: 0.00s
Presolved: 6 rows, 1023 columns, 2044 nonzeros
Variable types: 1023 continuous, 0 integer (0 binary)

Root relaxation: objective 7.444602e+03, 6 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0 7444.60178    0    1          - 7444.60178     -      -    0s
     0     2 7444.60178    0    1          - 7444.60178     -      -    0s
*   18     4               9    7459.1541736 7459.15417   0.0%   1.3    0s

Explored 19 nodes (30 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.459154173588e+03, best bound 7.459154173588e+03, gap 0.0%