Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:21 2013

Optimize a model with 56 rows, 260 columns and 1930 nonzeros
Presolve removed 22 rows and 24 columns
Presolve time: 0.00s
Presolved: 34 rows, 236 columns, 1684 nonzeros
Variable types: 222 continuous, 14 integer (14 binary)

Root relaxation: objective 5.784077e+03, 13 iterations, 0.00 seconds

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

     0     0 5784.07688    0    3          - 5784.07688     -      -    0s
     0     0 5789.11919    0    3          - 5789.11919     -      -    0s
     0     0 5805.68808    0    6          - 5805.68808     -      -    0s
     0     0 5811.32833    0    3          - 5811.32833     -      -    0s
H    0     0                    5812.3255371 5811.32833  0.02%     -    0s
     0     0 5812.00516    0    2 5812.32554 5812.00516  0.01%     -    0s

Explored 0 nodes (53 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.812325537147e+03, best bound 5.812005155960e+03, gap 0.0055%