Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:43 2013

Optimize a model with 60 rows, 1084 columns and 8914 nonzeros
Presolve removed 22 rows and 254 columns
Presolve time: 0.03s
Presolved: 38 rows, 830 columns, 8058 nonzeros
Variable types: 814 continuous, 16 integer (16 binary)

Root relaxation: objective 7.659086e+03, 16 iterations, 0.00 seconds

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

     0     0 7659.08578    0    5          - 7659.08578     -      -    0s
     0     0 7659.82233    0    5          - 7659.82233     -      -    0s
     0     0 7659.83726    0    5          - 7659.83726     -      -    0s
     0     0 7659.83726    0    5          - 7659.83726     -      -    0s
H    0     0                    7664.6447497 7659.83726  0.06%     -    0s
     0     0 7664.63441    0    2 7664.64475 7664.63441  0.00%     -    0s

Explored 0 nodes (73 simplex iterations) in 0.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.664644749744e+03, best bound 7.664634407493e+03, gap 0.0001%