Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:13 2012

Optimize a model with 115 rows, 92 columns and 377 nonzeros
Presolve time: 0.00s
Presolved: 115 rows, 92 columns, 377 nonzeros
Variable types: 0 continuous, 92 integer (92 binary)
Found heuristic solution: objective 20.0000000

Root relaxation: objective 0.000000e+00, 55 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   34   20.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     0    0.50000    0   35   15.00000    0.50000  96.7%     -    0s
     0     0    1.22179    0   36   15.00000    1.22179  91.9%     -    0s
H    0     0                      14.0000000    1.22179  91.3%     -    0s
H    0     0                      13.0000000    1.22179  90.6%     -    0s
     0     0    1.61106    0   42   13.00000    1.61106  87.6%     -    0s
     0     0    1.63018    0   41   13.00000    1.63018  87.5%     -    0s
     0     0    1.63018    0   41   13.00000    1.63018  87.5%     -    0s
     0     2    1.63383    0   41   13.00000    1.63383  87.4%     -    0s
*   12    10               7      11.0000000    2.54792  76.8%  21.5    0s

Cutting planes:
  Gomory: 3
  Zero half: 2

Explored 79 nodes (1246 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%