Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:08:21 2013

Optimize a model with 2032 rows, 4046 columns and 14090 nonzeros
Presolve removed 23 rows and 170 columns
Presolve time: 0.17s
Presolved: 2009 rows, 3876 columns, 11613 nonzeros
Variable types: 2015 continuous, 1861 integer (1861 binary)

Root relaxation: objective 7.662115e+03, 14 iterations, 0.00 seconds

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

     0     0 7662.11483    0    2          - 7662.11483     -      -    0s
     0     0 7662.12565    0    2          - 7662.12565     -      -    0s
     0     0 7662.13351    0    2          - 7662.13351     -      -    0s
H    0     0                    7664.6454486 7662.13351  0.03%     -    0s
     0     1 7662.14911    0    2 7664.64545 7662.14911  0.03%     -    0s

Cutting planes:
  Gomory: 1

Explored 426 nodes (1307 simplex iterations) in 3.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.664645448649e+03, best bound 7.663880065559e+03, gap 0.0100%