Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:50 2012

Optimize a model with 1 rows, 52 columns and 52 nonzeros
Model has 70 quadratic objective terms
Presolve time: 0.00s
Presolved: 71 rows, 122 columns, 262 nonzeros
Variable types: 0 continuous, 122 integer (122 binary)
Found heuristic solution: objective 26.0000000

Root relaxation: objective 0.000000e+00, 99 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   26.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   22   13.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   25   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   25   12.00000    0.00000   100%     -    0s
     0     2    0.00000    0   13   12.00000    0.00000   100%     -    0s
H  163    57                       8.0000000    0.00000   100%   4.8    0s

Cutting planes:
  Cover: 135
  MIR: 2

Explored 325 nodes (5756 simplex iterations) in 0.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%