Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:21 2012

Optimize a model with 1 rows, 28 columns and 28 nonzeros
Model has 44 quadratic objective terms
Presolve time: 0.00s
Presolved: 45 rows, 72 columns, 160 nonzeros
Variable types: 0 continuous, 72 integer (72 binary)
Found heuristic solution: objective 19.0000000

Root relaxation: objective 0.000000e+00, 54 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   19.00000    0.00000   100%     -    0s
H    0     0                      18.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   36   18.00000    0.00000   100%     -    0s
     0     0    0.00000    0   17   18.00000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   13    9.00000    0.00000   100%     -    0s

Cutting planes:
  Gomory: 3
  Cover: 79

Explored 194 nodes (1845 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%