Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:40 2012

Optimize a model with 1 rows, 20 columns and 20 nonzeros
Model has 98 quadratic objective terms
Modified 20 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 20 columns, 20 nonzeros
Presolved model has 118 quadratic objective terms
Variable types: 0 continuous, 20 integer (20 binary)
Found heuristic solution: objective 57.0000000

Root relaxation: objective 0.000000e+00, 21 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   20   57.00000    0.00000   100%     -    0s
H    0     0                      49.0000000    0.00000   100%     -    0s
H    0     0                      45.0000000    0.00000   100%     -    0s
     0     2    2.36521    0   20   45.00000    2.36521  94.7%     -    0s
H   13    13                      42.0000000    5.55267  86.8%   1.8    0s
H   65    46                      41.0000000    7.67942  81.3%   2.0    0s
H  217   160                      40.0000000   10.85522  72.9%   2.0    0s
H  607   337                      37.0000000   14.96322  59.6%   2.0    0s

Explored 8815 nodes (17803 simplex iterations) in 0.45 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.700000000000e+01, best bound 3.700000000000e+01, gap 0.0%