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 30 columns
Presolve time: 0.00s
Presolved: 34 rows, 230 columns, 1672 nonzeros
Variable types: 216 continuous, 14 integer (14 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 7660.13231    0    4          - 7660.13231     -      -    0s
     0     0 7662.40824    0    3          - 7662.40824     -      -    0s
     0     0 7662.85241    0    2          - 7662.85241     -      -    0s
     0     0 7662.85241    0    2          - 7662.85241     -      -    0s
H    0     0                    7666.4565747 7662.85241  0.05%     -    0s
*    0     0               0    7664.6434662 7664.64347   0.0%     -    0s

Explored 0 nodes (70 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.664643466185e+03, best bound 7.664643466185e+03, gap 0.0%