Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:33:54 2012

Optimize a model with 1 rows, 161 columns and 161 nonzeros
Model has 129 quadratic objective terms
Presolve removed 0 rows and 29 columns
Presolve time: 0.00s
Presolved: 130 rows, 261 columns, 519 nonzeros
Variable types: 0 continuous, 261 integer (260 binary)
Found heuristic solution: objective 35.0000000

Root relaxation: objective 0.000000e+00, 159 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   20   35.00000    0.00000   100%     -    0s
H    0     0                      18.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   18   18.00000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   13   14.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    9   12.00000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   11    7.00000    0.00000   100%     -    0s
     0     0    0.00000    0    6    7.00000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
     0     2    0.00000    0    6    4.00000    0.00000   100%     -    0s
H  162    11                       2.0000000    0.00000   100%   2.4    0s

Cutting planes:
  Gomory: 55
  Cover: 80
  Clique: 1
  MIR: 19
  Flow cover: 5
  Zero half: 30

Explored 31823 nodes (54872 simplex iterations) in 2.97 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%