Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:43:30 2012

Optimize a model with 1 rows, 176 columns and 176 nonzeros
Model has 158 quadratic objective terms
Presolve removed 0 rows and 30 columns
Presolve time: 0.00s
Presolved: 159 rows, 304 columns, 620 nonzeros
Variable types: 0 continuous, 304 integer (303 binary)
Found heuristic solution: objective 44.0000000

Root relaxation: objective 0.000000e+00, 203 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   44   44.00000    0.00000   100%     -    0s
     0     0    0.00000    0   32   44.00000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   35   25.00000    0.00000   100%     -    0s
     0     0    0.00000    0   26   25.00000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   24   20.00000    0.00000   100%     -    0s
H   27    27                      16.0000000    0.00000   100%   2.2    0s
H  297   227                      13.0000000    0.00000   100%   4.5    0s
H  405   285                      12.0000000    0.00000   100%   7.7    0s
H  513   294                      11.0000000    0.00000   100%   9.4    0s
H  550   260                       9.0000000    0.00000   100%   9.4    0s
H  567   228                       8.0000000    0.00000   100%   9.5    0s
*  603   203              18       7.0000000    0.00000   100%  11.1    0s
*  635   165              14       6.0000000    0.00000   100%  12.2    0s

Cutting planes:
  Cover: 300

Explored 823 nodes (21417 simplex iterations) in 0.39 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%