Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:38 2012

Optimize a model with 1 rows, 51 columns and 51 nonzeros
Model has 76 quadratic objective terms
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 77 rows, 126 columns, 278 nonzeros
Variable types: 0 continuous, 126 integer (125 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 0.000000e+00, 92 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   28   30.00000    0.00000   100%     -    0s
H    0     0                      26.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   23   26.00000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
H    0     0                      21.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   46   21.00000    0.00000   100%     -    0s
     0     0    0.00000    0   21   21.00000    0.00000   100%     -    0s
H    0     0                      19.0000000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   21   17.00000    0.00000   100%     -    0s
H   94    67                      16.0000000    0.00000   100%   3.7    0s
H  125    80                      15.0000000    0.00000   100%   5.0    0s
H  131    79                      12.0000000    0.00000   100%   5.0    0s
H  352    82                      11.0000000    3.00000  72.7%  13.1    0s

Cutting planes:
  Gomory: 3
  Cover: 148

Explored 453 nodes (7699 simplex iterations) in 0.12 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%