Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:24:09 2012

Optimize a model with 1 rows, 141 columns and 141 nonzeros
Model has 119 quadratic objective terms
Presolve removed 0 rows and 25 columns
Presolve time: 0.00s
Presolved: 120 rows, 235 columns, 473 nonzeros
Variable types: 0 continuous, 235 integer (234 binary)
Found heuristic solution: objective 30.0000000

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   42   30.00000    0.00000   100%     -    0s
     0     0    0.00000    0   31   30.00000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   24   25.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   23   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   44   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0    6   12.00000    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
H   81    36                       5.0000000    0.00000   100%   1.7    0s
H  406   112                       4.0000000    0.00000   100%   5.7    0s
*  452    71              14       3.0000000    0.00000   100%   7.3    0s

Cutting planes:
  Cover: 213
  Zero half: 2

Explored 536 nodes (7930 simplex iterations) in 0.15 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%