Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:26 2012

Optimize a model with 1 rows, 50 columns and 50 nonzeros
Model has 62 quadratic objective terms
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 63 rows, 110 columns, 234 nonzeros
Variable types: 0 continuous, 110 integer (109 binary)
Found heuristic solution: objective 21.0000000

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   22   21.00000    0.00000   100%     -    0s
H    0     0                      16.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   17   16.00000    0.00000   100%     -    0s
     0     0    0.00000    0   27   16.00000    0.00000   100%     -    0s
     0     0    0.00000    0   14   16.00000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   14   11.00000    0.00000   100%     -    0s
H   21    21                       8.0000000    0.00000   100%   2.4    0s
H   27    27                       5.0000000    0.00000   100%   2.2    0s

Cutting planes:
  Gomory: 4
  Cover: 113

Explored 210 nodes (3896 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%