Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:50 2012

Optimize a model with 1 rows, 38 columns and 38 nonzeros
Model has 76 quadratic objective terms
Presolve time: 0.00s
Presolved: 77 rows, 114 columns, 266 nonzeros
Variable types: 0 continuous, 114 integer (114 binary)
Found heuristic solution: objective 35.0000000

Root relaxation: objective 0.000000e+00, 100 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   32   35.00000    0.00000   100%     -    0s
H    0     0                      32.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   30   32.00000    0.00000   100%     -    0s
H    0     0                      27.0000000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   34   23.00000    0.00000   100%     -    0s
     0     0    0.00000    0   26   23.00000    0.00000   100%     -    0s
     0     2    0.00000    0   26   23.00000    0.00000   100%     -    0s
H   88    65                      22.0000000    0.00000   100%   6.2    0s
H   88    65                      21.0000000    0.00000   100%   6.2    0s
H  109    81                      20.0000000    0.00000   100%   6.0    0s
H  190   125                      19.0000000    1.00000  94.7%   8.0    0s
*  235   130              14      18.0000000    2.00000  88.9%   8.6    0s
*  289   115              11      17.0000000    3.00000  82.4%  10.4    0s
H  383    70                      15.0000000    6.00000  60.0%  13.4    0s

Cutting planes:
  Cover: 148
  MIR: 1
  Zero half: 3

Explored 496 nodes (7545 simplex iterations) in 0.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%