Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:06:48 2013

Optimize a model with 8473 rows, 1369 columns and 26011 nonzeros
Presolve removed 884 rows and 684 columns
Presolve time: 0.06s
Presolved: 7589 rows, 685 columns, 23614 nonzeros
Variable types: 25 continuous, 660 integer (660 binary)
Found heuristic solution: objective 25772.000000
Found heuristic solution: objective 23801.000000

Root relaxation: objective 1.675473e+04, 4778 iterations, 0.18 seconds

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

     0     0 16754.7273    0   10 23801.0000 16754.7273  29.6%     -    0s
H    0     0                    16769.000000 16754.7273  0.09%     -    0s
H    0     0                    16765.000000 16754.7273  0.06%     -    0s
     0     0 16755.0000    0   22 16765.0000 16755.0000  0.06%     -    0s
     0     0 16755.0000    0   15 16765.0000 16755.0000  0.06%     -    0s
     0     0 16755.0000    0   25 16765.0000 16755.0000  0.06%     -    0s
H    0     0                    16763.000000 16755.0000  0.05%     -    0s
     0     2 16755.0000    0   15 16763.0000 16755.0000  0.05%     -    0s
H    9     7                    16762.000000 16755.0000  0.04%   1.4    0s
*  529   201              25    16761.000000 16756.6250  0.03%  19.7    1s

Cutting planes:
  Gomory: 9
  Cover: 39
  Implied bound: 1
  Clique: 1
  MIR: 47
  Zero half: 17

Explored 1675 nodes (33280 simplex iterations) in 1.60 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.676100000000e+04, best bound 1.676000000000e+04, gap 0.0060%