Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:35 2012

Optimize a model with 1 rows, 15 columns and 15 nonzeros
Model has 58 quadratic objective terms
Modified 15 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 15 columns, 15 nonzeros
Presolved model has 73 quadratic objective terms
Variable types: 0 continuous, 15 integer (15 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 0.000000e+00, 17 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   15   30.00000    0.00000   100%     -    0s
H    0     0                      27.0000000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
     0     2    2.13580    0   15   25.00000    2.13580  91.5%     -    0s
*  156    88              11      24.0000000    7.87642  67.2%   2.0    0s
*  163    86               9      23.0000000    8.88432  61.4%   2.1    0s
*  546    94               9      21.0000000   13.97471  33.5%   2.1    0s

Explored 880 nodes (1875 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.100000000000e+01, best bound 2.100000000000e+01, gap 0.0%