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 55 quadratic objective terms
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 56 rows, 100 columns, 210 nonzeros
Variable types: 0 continuous, 100 integer (99 binary)
Found heuristic solution: objective 17.0000000

Root relaxation: objective 0.000000e+00, 75 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   21   17.00000    0.00000   100%     -    0s
H    0     0                      16.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   18   16.00000    0.00000   100%     -    0s
     0     0    0.00000    0   20   16.00000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   12    4.00000    0.00000   100%     -    0s
     0     0    0.00000    0    8    4.00000    0.00000   100%     -    0s
     0     0    0.00000    0   15    4.00000    0.00000   100%     -    0s
     0     0    0.00000    0   15    4.00000    0.00000   100%     -    0s
     0     2    0.00000    0   15    4.00000    0.00000   100%     -    0s
*  138    18               8       3.0000000    1.00000  66.7%  10.0    0s

Cutting planes:
  Cover: 94
  MIR: 7
  Zero half: 1

Explored 157 nodes (1887 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%