Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:41 2013

Optimize a model with 64 rows, 1064 columns and 11142 nonzeros
Presolve removed 22 rows and 30 columns
Presolve time: 0.03s
Presolved: 42 rows, 1034 columns, 10084 nonzeros
Variable types: 1016 continuous, 18 integer (18 binary)

Root relaxation: objective 7.659086e+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 7659.08578    0    3          - 7659.08578     -      -    0s
     0     0 7659.56748    0    3          - 7659.56748     -      -    0s
     0     0 7663.78136    0    3          - 7663.78136     -      -    0s
     0     0 7664.32435    0    3          - 7664.32435     -      -    0s
     0     0 7664.53439    0    3          - 7664.53439     -      -    0s
     0     0 7664.62874    0    3          - 7664.62874     -      -    0s
     0     0 7664.62874    0    3          - 7664.62874     -      -    0s
H    0     0                    7668.1081299 7664.62874  0.05%     -    0s
H    0     0                    7666.4585597 7664.62874  0.02%     -    0s
     0     0 7664.62874    0    2 7666.45856 7664.62874  0.02%     -    0s
     0     0 7664.63127    0    4 7666.45856 7664.63127  0.02%     -    0s
     0     2 7664.63418    0    4 7666.45856 7664.63418  0.02%     -    0s
*   11     8              12    7664.6454259 7664.64543   0.0%   3.7    0s

Cutting planes:
  Implied bound: 1

Explored 12 nodes (144 simplex iterations) in 0.18 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.664645425899e+03, best bound 7.664645425899e+03, gap 0.0%