Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:23:54 2012

Optimize a model with 1 rows, 140 columns and 140 nonzeros
Model has 105 quadratic objective terms
Presolve removed 0 rows and 32 columns
Presolve time: 0.00s
Presolved: 106 rows, 213 columns, 423 nonzeros
Variable types: 0 continuous, 213 integer (212 binary)
Found heuristic solution: objective 23.0000000

Root relaxation: objective 0.000000e+00, 121 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   18   23.00000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   15   17.00000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   18   14.00000    0.00000   100%     -    0s
     0     0    0.00000    0   28   14.00000    0.00000   100%     -    0s
     0     0    0.00000    0    7   14.00000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
H    0     0                       6.0000000    0.00000   100%     -    0s
     0     2    0.00000    0    7    6.00000    0.00000   100%     -    0s
H   89    23                       4.0000000    0.00000   100%   2.9    0s
*   92    19              11       3.0000000    0.00000   100%   2.9    0s
H  163    27                       2.0000000    0.00000   100%   4.1    0s
*  284     3              19       1.0000000    0.00000   100%   7.0    0s

Cutting planes:
  Cover: 132

Explored 285 nodes (2217 simplex iterations) in 0.06 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%