Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:05 2012

Optimize a model with 1 rows, 40 columns and 40 nonzeros
Model has 45 quadratic objective terms
Presolve removed 0 rows and 6 columns
Presolve time: 0.00s
Presolved: 46 rows, 79 columns, 169 nonzeros
Variable types: 0 continuous, 79 integer (78 binary)
Found heuristic solution: objective 14.0000000

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   10   14.00000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   11   10.00000    0.00000   100%     -    0s
     0     0    0.00000    0   10   10.00000    0.00000   100%     -    0s
     0     0    0.00000    0    9   10.00000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    9    7.00000    0.00000   100%     -    0s
     0     0    0.00000    0    8    7.00000    0.00000   100%     -    0s
     0     2    0.00000    0    8    7.00000    0.00000   100%     -    0s
*  143    51               9       6.0000000    1.00000  83.3%   5.4    0s

Cutting planes:
  Cover: 83

Explored 212 nodes (2071 simplex iterations) in 0.03 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%