Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:54:38 2012

Optimize a model with 1 rows, 48 columns and 48 nonzeros
Model has 125 quadratic objective terms
Modified 48 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 48 columns, 48 nonzeros
Presolved model has 173 quadratic objective terms
Variable types: 0 continuous, 48 integer (48 binary)
Found heuristic solution: objective 70.0000000

Root relaxation: objective 0.000000e+00, 50 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   48   70.00000    0.00000   100%     -    0s
H    0     0                      46.0000000    0.00000   100%     -    0s
H    0     0                      33.0000000    0.00000   100%     -    0s
     0     2    1.83142    0   48   33.00000    1.83142  94.5%     -    0s
H  162   132                      32.0000000    4.90214  84.7%   2.2    0s
H  626   475                      31.0000000    5.89711  81.0%   2.4    0s
H  631   455                      30.0000000    5.89711  80.3%   2.4    0s
H  700   465                      29.0000000    5.89711  79.7%   2.4    0s
 61636 23336   27.77112   27   30   29.00000   21.15493  27.1%   2.4    5s
 124689 36012   27.53242   28   29   29.00000   22.96551  20.8%   2.4   10s
 187127 41537   26.04864   24   34   29.00000   23.99463  17.3%   2.4   15s
 249295 40993   27.92302   29   28   29.00000   24.77812  14.6%   2.4   20s
 312105 34304   25.49077   28   30   29.00000   25.49077  12.1%   2.4   25s
 374341 20657   26.35968   33   22   29.00000   26.34761  9.15%   2.4   30s

Explored 417258 nodes (1012314 simplex iterations) in 33.64 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.900000000000e+01, best bound 2.900000000000e+01, gap 0.0%