Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:08:17 2012

Optimize a model with 1 rows, 27 columns and 27 nonzeros
Model has 179 quadratic objective terms
Modified 27 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 27 columns, 27 nonzeros
Presolved model has 206 quadratic objective terms
Variable types: 0 continuous, 27 integer (27 binary)
Found heuristic solution: objective 91.0000000

Root relaxation: objective 0.000000e+00, 29 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   27   91.00000    0.00000   100%     -    0s
H    0     0                      85.0000000    0.00000   100%     -    0s
H    0     0                      79.0000000    0.00000   100%     -    0s
     0     2    3.13208    0   27   79.00000    3.13208  96.0%     -    0s
H   13    13                      78.0000000    6.10062  92.2%   1.8    0s
H  134   102                      75.0000000   10.71708  85.7%   2.0    0s
H  335   268                      73.0000000   14.38640  80.3%   2.0    0s
H 2857  1318                      72.0000000   30.08148  58.2%   2.1    0s
H 8587  4131                      71.0000000   38.11292  46.3%   2.0    0s
H20956  8904                      70.0000000   44.26045  36.8%   2.0    1s
 79082 22799   55.93552   23   13   70.00000   52.74184  24.7%   2.0    5s
 157917 31493   67.16850   27    9   70.00000   57.05507  18.5%   2.0   10s
 235225 31000   64.68240   28    8   70.00000   59.91711  14.4%   2.0   15s
 314696 20323   68.49522   25   11   70.00000   62.97796  10.0%   2.0   20s

Explored 368439 nodes (743071 simplex iterations) in 23.56 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+01, best bound 7.000000000000e+01, gap 0.0%