Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:15 2012

Optimize a model with 1 rows, 49 columns and 49 nonzeros
Model has 84 quadratic objective terms
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 85 rows, 132 columns, 300 nonzeros
Variable types: 0 continuous, 132 integer (131 binary)
Found heuristic solution: objective 37.0000000

Root relaxation: objective 0.000000e+00, 109 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   34   37.00000    0.00000   100%     -    0s
H    0     0                      33.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   29   33.00000    0.00000   100%     -    0s
H    0     0                      27.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   51   27.00000    0.00000   100%     -    0s
     0     0    0.00000    0   20   27.00000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   20   20.00000    0.00000   100%     -    0s
H   16    16                      18.0000000    0.00000   100%   2.1    0s
H  153    92                      15.0000000    0.00000   100%   7.1    0s
*  162    91              14      14.0000000    0.00000   100%   7.2    0s
H  164    82                      13.0000000    0.00000   100%   7.1    0s

Cutting planes:
  Gomory: 1
  Cover: 165

Explored 444 nodes (7534 simplex iterations) in 0.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%