Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:26:53 2012

Optimize a model with 1 rows, 151 columns and 151 nonzeros
Model has 113 quadratic objective terms
Presolve removed 0 rows and 32 columns
Presolve time: 0.00s
Presolved: 114 rows, 232 columns, 458 nonzeros
Variable types: 0 continuous, 232 integer (231 binary)
Found heuristic solution: objective 23.0000000

Root relaxation: objective 0.000000e+00, 139 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   31   23.00000    0.00000   100%     -    0s
     0     0    0.00000    0   24   23.00000    0.00000   100%     -    0s
H    0     0                      18.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   20   18.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   23   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   11   13.00000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
H    0     0                       8.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   13    8.00000    0.00000   100%     -    0s
     0     0    0.00000    0   13    8.00000    0.00000   100%     -    0s
H    0     0                       0.0000000    0.00000   0.0%     -    0s

Cutting planes:
  Cover: 23

Explored 0 nodes (381 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%