Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:21 2013

Optimize a model with 52 rows, 312 columns and 1906 nonzeros
Presolve removed 22 rows and 86 columns
Presolve time: 0.00s
Presolved: 30 rows, 226 columns, 1650 nonzeros
Variable types: 214 continuous, 12 integer (12 binary)

Root relaxation: objective 7.659086e+03, 12 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    3          - 7659.08578     -      -    0s
     0     0 7660.46736    0    3          - 7660.46736     -      -    0s
     0     0 7660.53317    0    3          - 7660.53317     -      -    0s
     0     0 7660.55002    0    2          - 7660.55002     -      -    0s
     0     0 7660.55002    0    2          - 7660.55002     -      -    0s
H    0     0                    7664.6344075 7660.55002  0.05%     -    0s
     0     0     cutoff    0      7664.63441 7664.63441   0.0%     -    0s

Explored 0 nodes (55 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.664634407493e+03, best bound 7.664634407493e+03, gap 0.0%