Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:12 2013

Optimize a model with 28 rows, 86 columns and 208 nonzeros
Presolve removed 22 rows and 33 columns
Presolve time: 0.00s
Presolved: 6 rows, 53 columns, 104 nonzeros
Variable types: 53 continuous, 0 integer (0 binary)

Root relaxation: objective 5.420106e+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 5420.10604    0    1          - 5420.10604     -      -    0s
H    0     0                    5449.4212595 5420.10604  0.54%     -    0s
     0     2 5420.10604    0    1 5449.42126 5420.10604  0.54%     -    0s
*    7     1               4    5441.5746300 5441.38759  0.00%   0.7    0s

Explored 8 nodes (11 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.441574629950e+03, best bound 5.441387593318e+03, gap 0.0034%