Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:39 2012

Optimize a model with 1 rows, 20 columns and 20 nonzeros
Model has 93 quadratic objective terms
Modified 20 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 20 columns, 20 nonzeros
Presolved model has 113 quadratic objective terms
Variable types: 0 continuous, 20 integer (20 binary)
Found heuristic solution: objective 48.0000000

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   48.00000    0.00000   100%     -    0s
H    0     0                      42.0000000    0.00000   100%     -    0s
     0     2    2.61125    0   20   42.00000    2.61125  93.8%     -    0s
H   39    34                      41.0000000    5.24234  87.2%   2.1    0s
*   88    65              16      40.0000000    8.71804  78.2%   2.1    0s
H  158   109                      38.0000000    9.55351  74.9%   2.1    0s
H  604   293                      37.0000000   17.18082  53.6%   2.1    0s

Explored 9159 nodes (19277 simplex iterations) in 0.33 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%