Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:50 2012

Optimize a model with 1 rows, 52 columns and 52 nonzeros
Model has 60 quadratic objective terms
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 61 rows, 110 columns, 230 nonzeros
Variable types: 0 continuous, 110 integer (109 binary)
Found heuristic solution: objective 16.0000000

Root relaxation: objective 0.000000e+00, 87 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   15   16.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   12   13.00000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   23   10.00000    0.00000   100%     -    0s
     0     0    0.00000    0   20   10.00000    0.00000   100%     -    0s
     0     0    0.00000    0   10   10.00000    0.00000   100%     -    0s
     0     0    0.00000    0   13   10.00000    0.00000   100%     -    0s
     0     0    0.00000    0   11   10.00000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
H    0     0                       6.0000000    0.00000   100%     -    0s
     0     2    0.00000    0    6    6.00000    0.00000   100%     -    0s
*  188    71               6       5.0000000    1.00000  80.0%   8.1    0s

Cutting planes:
  Cover: 114
  MIR: 3
  Zero half: 1

Explored 262 nodes (3778 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%