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

Optimize a model with 1 rows, 30 columns and 30 nonzeros
Model has 46 quadratic objective terms
Presolve time: 0.00s
Presolved: 47 rows, 76 columns, 168 nonzeros
Variable types: 0 continuous, 76 integer (76 binary)
Found heuristic solution: objective 23.0000000

Root relaxation: objective 0.000000e+00, 61 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   23.00000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   31   22.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   18   13.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   13   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   17   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   17   12.00000    0.00000   100%     -    0s
     0     2    0.00000    0   17   12.00000    0.00000   100%     -    0s
*   85    46              15      11.0000000    0.00000   100%   4.1    0s
H  112    52                      10.0000000    0.00000   100%   5.2    0s
H  122    48                       9.0000000    1.00000  88.9%   5.6    0s

Cutting planes:
  Cover: 88
  MIR: 6
  Zero half: 2

Explored 204 nodes (2182 simplex iterations) in 0.04 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%