Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:55 2012

Optimize a model with 135 rows, 100 columns and 435 nonzeros
Presolve time: 0.00s
Presolved: 135 rows, 100 columns, 435 nonzeros
Variable types: 0 continuous, 100 integer (100 binary)
Found heuristic solution: objective 31.0000000

Root relaxation: objective 0.000000e+00, 61 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   33   31.00000    0.00000   100%     -    0s
H    0     0                      26.0000000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
     0     0    0.77172    0   35   22.00000    0.77172  96.5%     -    0s
H    0     0                      21.0000000    0.77172  96.3%     -    0s
     0     0    0.93576    0   35   21.00000    0.93576  95.5%     -    0s
     0     0    1.00000    0   34   21.00000    1.00000  95.2%     -    0s
     0     0    1.01264    0   47   21.00000    1.01264  95.2%     -    0s
     0     0    1.05230    0   40   21.00000    1.05230  95.0%     -    0s
     0     0    1.05261    0   41   21.00000    1.05261  95.0%     -    0s
     0     0    1.05261    0   40   21.00000    1.05261  95.0%     -    0s
     0     2    1.09478    0   40   21.00000    1.09478  94.8%     -    0s
*   16    16              10      18.0000000    4.80533  73.3%  22.2    0s
*   51    26              10      17.0000000    8.87778  47.8%  14.3    0s
*   77    24               8      16.0000000    9.33333  41.7%  13.2    0s

Cutting planes:
  Gomory: 1
  Zero half: 1
  Mod-K: 4

Explored 149 nodes (1945 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%