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

Optimize a model with 125 rows, 98 columns and 408 nonzeros
Presolve time: 0.00s
Presolved: 125 rows, 98 columns, 408 nonzeros
Variable types: 0 continuous, 98 integer (98 binary)
Found heuristic solution: objective 26.0000000

Root relaxation: objective 0.000000e+00, 49 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   35   26.00000    0.00000   100%     -    0s
H    0     0                      21.0000000    0.00000   100%     -    0s
     0     0    0.55048    0   36   21.00000    0.55048  97.4%     -    0s
     0     0    1.02708    0   38   21.00000    1.02708  95.1%     -    0s
H    0     0                      19.0000000    1.02708  94.6%     -    0s
     0     0    1.02905    0   39   19.00000    1.02905  94.6%     -    0s
     0     0    1.02905    0   38   19.00000    1.02905  94.6%     -    0s
     0     2    1.03113    0   38   19.00000    1.03113  94.6%     -    0s
*   21    18              13      13.0000000    2.41667  81.4%  18.6    0s
*   54    24               8      12.0000000    4.26995  64.4%  15.8    0s

Cutting planes:
  Gomory: 2
  Zero half: 2
  Mod-K: 1

Explored 203 nodes (2810 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%