Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:23:54 2012

Optimize a model with 1 rows, 140 columns and 140 nonzeros
Model has 108 quadratic objective terms
Presolve removed 0 rows and 29 columns
Presolve time: 0.00s
Presolved: 109 rows, 219 columns, 435 nonzeros
Variable types: 0 continuous, 219 integer (218 binary)
Found heuristic solution: objective 25.0000000

Root relaxation: objective 0.000000e+00, 147 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   11   25.00000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    8   10.00000    0.00000   100%     -    0s
H    0     0                       6.0000000    0.00000   100%     -    0s
H    0     0                       5.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   17    5.00000    0.00000   100%     -    0s
     0     0    0.00000    0   12    5.00000    0.00000   100%     -    0s
     0     0    0.00000    0    6    5.00000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    6    4.00000    0.00000   100%     -    0s
     0     0    0.00000    0    8    4.00000    0.00000   100%     -    0s
     0     0    0.00000    0    8    4.00000    0.00000   100%     -    0s
     0     2    0.00000    0    8    4.00000    0.00000   100%     -    0s
*   61    16              10       3.0000000    0.00000   100%   1.6    0s
*  365    43              20       2.0000000    0.00000   100%   5.3    0s

Cutting planes:
  Cover: 181

Explored 530 nodes (5090 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%