Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:37 2012

Optimize a model with 1 rows, 37 columns and 37 nonzeros
Model has 72 quadratic objective terms
Presolve time: 0.00s
Presolved: 73 rows, 109 columns, 253 nonzeros
Variable types: 0 continuous, 109 integer (109 binary)
Found heuristic solution: objective 35.0000000

Root relaxation: objective 0.000000e+00, 91 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   17   35.00000    0.00000   100%     -    0s
H    0     0                      16.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   40   16.00000    0.00000   100%     -    0s
     0     0    0.00000    0   25   16.00000    0.00000   100%     -    0s
     0     0    0.00000    0   29   16.00000    0.00000   100%     -    0s
     0     0    0.00000    0   29   16.00000    0.00000   100%     -    0s
     0     2    0.00000    0   29   16.00000    0.00000   100%     -    0s
*  123    69               9      15.0000000    0.50000  96.7%   9.2    0s
*  232    73              11      14.0000000    3.00000  78.6%  11.9    0s
*  310    31               7      13.0000000    8.90909  31.5%  16.7    0s

Cutting planes:
  Cover: 141
  MIR: 11
  Zero half: 3

Explored 350 nodes (5998 simplex iterations) in 0.11 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%