Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:41:18 2012

Optimize a model with 1 rows, 42 columns and 42 nonzeros
Model has 95 quadratic objective terms
Modified 42 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 42 columns, 42 nonzeros
Presolved model has 137 quadratic objective terms
Variable types: 0 continuous, 42 integer (42 binary)
Found heuristic solution: objective 43.0000000

Root relaxation: objective 0.000000e+00, 44 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   42   43.00000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
     0     2    2.06695    0   42   30.00000    2.06695  93.1%     -    0s
H    5     5                      29.0000000    3.24081  88.8%   1.6    0s
H   12    12                      27.0000000    3.24081  88.0%   1.8    0s
H   14    14                      26.0000000    3.24081  87.5%   1.9    0s
H   21    21                      25.0000000    3.24081  87.0%   2.0    0s
H   54    46                      24.0000000    3.31659  86.2%   2.4    0s
H  508   381                      23.0000000    5.84092  74.6%   2.4    0s
H  540   376                      22.0000000    6.05328  72.5%   2.4    0s
H  710   453                      21.0000000    6.19159  70.5%   2.5    0s

Explored 38870 nodes (99514 simplex iterations) in 2.76 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%