Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:16 2012

Optimize a model with 1 rows, 49 columns and 49 nonzeros
Model has 49 quadratic objective terms
Presolve removed 0 rows and 4 columns
Presolve time: 0.00s
Presolved: 50 rows, 94 columns, 192 nonzeros
Variable types: 0 continuous, 94 integer (93 binary)
Found heuristic solution: objective 14.0000000

Root relaxation: objective 0.000000e+00, 65 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   13   14.00000    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    9   10.00000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   19    9.00000    0.00000   100%     -    0s
     0     0    0.00000    0   13    9.00000    0.00000   100%     -    0s
H    0     0                       6.0000000    0.00000   100%     -    0s
H    0     0                       5.0000000    0.00000   100%     -    0s
     0     2    0.00000    0    6    5.00000    0.00000   100%     -    0s
H   74    30                       4.0000000    0.00000   100%   2.8    0s
H  121    26                       3.0000000    0.00000   100%   4.2    0s
H  143     9                       2.0000000    1.00000  50.0%   5.1    0s

Cutting planes:
  Cover: 67

Explored 155 nodes (1007 simplex iterations) in 0.02 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%