Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:48 2012

Optimize a model with 165 rows, 120 columns and 530 nonzeros
Presolve time: 0.00s
Presolved: 165 rows, 120 columns, 530 nonzeros
Variable types: 0 continuous, 120 integer (120 binary)
Found heuristic solution: objective 28.0000000

Root relaxation: objective 0.000000e+00, 58 iterations, 0.00 seconds

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

     0     0    0.00000    0   37   28.00000    0.00000   100%     -    0s
H    0     0                      27.0000000    0.00000   100%     -    0s
     0     0    0.68288    0   39   27.00000    0.68288  97.5%     -    0s
H    0     0                      26.0000000    0.68288  97.4%     -    0s
     0     0    0.77333    0   42   26.00000    0.77333  97.0%     -    0s
H    0     0                      24.0000000    0.77333  96.8%     -    0s
     0     2    1.00879    0   42   24.00000    1.00879  95.8%     -    0s
*   20    18              13      20.0000000    3.26667  83.7%  23.4    0s
*   27    18              15      19.0000000    3.26667  82.8%  19.2    0s
*   49    22              13      18.0000000    3.34545  81.4%  19.1    0s
*  130    33               8      17.0000000    8.21538  51.7%  20.0    0s

Cutting planes:
  Gomory: 1
  Mod-K: 2

Explored 245 nodes (4562 simplex iterations) in 0.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%