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 47 quadratic objective terms
Presolve time: 0.00s
Presolved: 48 rows, 77 columns, 171 nonzeros
Variable types: 0 continuous, 77 integer (77 binary)
Found heuristic solution: objective 21.0000000

Root relaxation: objective 0.000000e+00, 62 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   23   21.00000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   24   17.00000    0.00000   100%     -    0s
     0     0    0.00000    0   16   17.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   16   14.00000    0.00000   100%     -    0s
H   11    11                      12.0000000    0.00000   100%   1.7    0s
H   18    18                      11.0000000    0.00000   100%   1.8    0s
H   94    42                       9.0000000    0.00000   100%   5.1    0s
*   98    35               9       7.0000000    0.00000   100%   5.5    0s

Cutting planes:
  Cover: 86

Explored 156 nodes (1562 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%