Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:54 2012

Optimize a model with 1 rows, 38 columns and 38 nonzeros
Model has 37 quadratic objective terms
Presolve removed 0 rows and 6 columns
Presolve time: 0.00s
Presolved: 38 rows, 69 columns, 143 nonzeros
Variable types: 0 continuous, 69 integer (68 binary)
Found heuristic solution: objective 10.0000000

Root relaxation: objective 0.000000e+00, 47 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   13   10.00000    0.00000   100%     -    0s
H    0     0                       8.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   14    8.00000    0.00000   100%     -    0s
     0     0    0.00000    0   11    8.00000    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    7    7.00000    0.00000   100%     -    0s
H    0     0                       6.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    5    6.00000    0.00000   100%     -    0s
H    0     0                       5.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   10    5.00000    0.00000   100%     -    0s
     0     0    0.00000    0   10    5.00000    0.00000   100%     -    0s
     0     2    0.00000    0    7    5.00000    0.00000   100%     -    0s
*   14    14               9       4.0000000    0.00000   100%   2.6    0s

Cutting planes:
  Cover: 63

Explored 104 nodes (1025 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%