Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:12 2012

Optimize a model with 57 rows, 38 columns and 178 nonzeros
Presolve time: 0.00s
Presolved: 57 rows, 38 columns, 178 nonzeros
Variable types: 0 continuous, 38 integer (38 binary)
Found heuristic solution: objective 17.0000000
Found heuristic solution: objective 15.0000000

Root relaxation: objective 0.000000e+00, 16 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   10   15.00000    0.00000   100%     -    0s
     0     0    0.96667    0   17   15.00000    0.96667  93.6%     -    0s
     0     0    1.12500    0   12   15.00000    1.12500  92.5%     -    0s
H    0     0                      12.0000000    1.12500  90.6%     -    0s
     0     0    1.30172    0   19   12.00000    1.30172  89.2%     -    0s
     0     0    1.35714    0   24   12.00000    1.35714  88.7%     -    0s
H    0     0                      11.0000000    1.35714  87.7%     -    0s
     0     0    1.68750    0   17   11.00000    1.68750  84.7%     -    0s
     0     0    1.72222    0   20   11.00000    1.72222  84.3%     -    0s
     0     0    1.75000    0   14   11.00000    1.75000  84.1%     -    0s
     0     0    1.76111    0   25   11.00000    1.76111  84.0%     -    0s
     0     2    1.77024    0   25   11.00000    1.77024  83.9%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 13

Explored 34 nodes (384 simplex iterations) in 0.01 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%