Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:04:47 2013

Optimize a model with 165 rows, 121 columns and 440 nonzeros
Presolve removed 55 rows and 55 columns
Presolve time: 0.00s
Presolved: 110 rows, 66 columns, 330 nonzeros
Variable types: 11 continuous, 55 integer (55 binary)
Found heuristic solution: objective 3150.0000000

Root relaxation: objective 6.470000e+02, 39 iterations, 0.00 seconds

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

     0     0  647.00000    0   31 3150.00000  647.00000  79.5%     -    0s
H    0     0                    2841.0000000  647.00000  77.2%     -    0s
     0     0  871.53849    0   21 2841.00000  871.53849  69.3%     -    0s
     0     0  885.51694    0   22 2841.00000  885.51694  68.8%     -    0s
     0     0  888.97251    0   23 2841.00000  888.97251  68.7%     -    0s
     0     0  889.00449    0   21 2841.00000  889.00449  68.7%     -    0s
     0     0  889.87269    0   24 2841.00000  889.87269  68.7%     -    0s
     0     0  889.87269    0   24 2841.00000  889.87269  68.7%     -    0s
H    0     0                    1776.0000000  889.87269  49.9%     -    0s
     0     2  905.41773    0   24 1776.00000  905.41773  49.0%     -    0s
*  342   161              13    1754.0000000 1065.29282  39.3%   4.3    0s
H  607   267                    1741.0000000 1151.31831  33.9%   4.2    0s
H  607   254                    1721.0000000 1151.31831  33.1%   4.2    0s

Cutting planes:
  Gomory: 13
  Implied bound: 5
  MIR: 9

Explored 7572 nodes (24188 simplex iterations) in 0.57 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.720999999999e+03, best bound 1.720999999999e+03, gap 0.0%