Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:33 2012

Optimize a model with 115 rows, 87 columns and 372 nonzeros
Presolve time: 0.00s
Presolved: 115 rows, 87 columns, 372 nonzeros
Variable types: 0 continuous, 87 integer (87 binary)
Found heuristic solution: objective 21.0000000

Root relaxation: objective 0.000000e+00, 45 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   30   21.00000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
     0     0    0.54839    0   32   17.00000    0.54839  96.8%     -    0s
     0     0    0.64865    0   33   17.00000    0.64865  96.2%     -    0s
     0     0    0.73239    0   33   17.00000    0.73239  95.7%     -    0s
     0     0    0.75000    0   33   17.00000    0.75000  95.6%     -    0s
     0     0    0.75000    0   33   17.00000    0.75000  95.6%     -    0s
     0     0    0.75000    0   33   17.00000    0.75000  95.6%     -    0s
     0     2    0.75000    0   33   17.00000    0.75000  95.6%     -    0s
*   17    17              13      13.0000000    3.60000  72.3%  15.7    0s
*   20    11              11      12.0000000    3.60000  70.0%  13.9    0s
*   26     9               5      11.0000000    4.00000  63.6%  15.1    0s

Cutting planes:
  Gomory: 1
  Zero half: 5

Explored 52 nodes (771 simplex iterations) in 0.03 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%