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 42 quadratic objective terms
Presolve time: 0.00s
Presolved: 43 rows, 70 columns, 154 nonzeros
Variable types: 0 continuous, 70 integer (70 binary)
Found heuristic solution: objective 17.0000000

Root relaxation: objective 0.000000e+00, 53 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   13   17.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   27   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   12   13.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   15    9.00000    0.00000   100%     -    0s
     0     0    0.00000    0   10    9.00000    0.00000   100%     -    0s
     0     0    0.00000    0   11    9.00000    0.00000   100%     -    0s
     0     0    0.00000    0    9    9.00000    0.00000   100%     -    0s
     0     2    0.00000    0    9    9.00000    0.00000   100%     -    0s
H    9     9                       8.0000000    0.00000   100%   2.2    0s
H   49    27                       7.0000000    0.00000   100%   3.0    0s
*   93    29               5       6.0000000    0.00000   100%   5.2    0s

Cutting planes:
  Cover: 72
  MIR: 3
  Zero half: 3

Explored 131 nodes (1346 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%