Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:06 2012

Optimize a model with 1 rows, 48 columns and 48 nonzeros
Model has 61 quadratic objective terms
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 62 rows, 106 columns, 228 nonzeros
Variable types: 0 continuous, 106 integer (105 binary)
Found heuristic solution: objective 21.0000000

Root relaxation: objective 0.000000e+00, 81 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   16   21.00000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   23   14.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   20   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   13   12.00000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   17   11.00000    0.00000   100%     -    0s
     0     0    0.00000    0   14   11.00000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   14    9.00000    0.00000   100%     -    0s
*  166    78              10       8.0000000    0.00000   100%   5.3    0s
H  190    61                       7.0000000    0.00000   100%   5.5    0s
H  202    41                       6.0000000    0.00000   100%   6.1    0s

Cutting planes:
  Cover: 110
  MIR: 1

Explored 257 nodes (3145 simplex iterations) in 0.06 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%