Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:24:09 2012

Optimize a model with 1 rows, 141 columns and 141 nonzeros
Model has 106 quadratic objective terms
Presolve removed 0 rows and 21 columns
Presolve time: 0.00s
Presolved: 107 rows, 226 columns, 438 nonzeros
Variable types: 0 continuous, 226 integer (225 binary)
Found heuristic solution: objective 27.0000000

Root relaxation: objective 0.000000e+00, 136 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   28   27.00000    0.00000   100%     -    0s
     0     0    0.00000    0   17   27.00000    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    7   10.00000    0.00000   100%     -    0s
H    0     0                       6.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    8    6.00000    0.00000   100%     -    0s
     0     0    0.00000    0    6    6.00000    0.00000   100%     -    0s
H    0     0                       5.0000000    0.00000   100%     -    0s
H    0     0                       3.0000000    0.00000   100%     -    0s
     0     2    0.00000    0    5    3.00000    0.00000   100%     -    0s
*  151    26              17       2.0000000    0.00000   100%   3.4    0s
*  223     7              15       1.0000000    0.00000   100%   4.5    0s

Cutting planes:
  Cover: 97

Explored 224 nodes (1232 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%