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

Optimize a model with 1 rows, 142 columns and 142 nonzeros
Model has 106 quadratic objective terms
Presolve removed 0 rows and 28 columns
Presolve time: 0.00s
Presolved: 107 rows, 220 columns, 432 nonzeros
Variable types: 0 continuous, 220 integer (219 binary)
Found heuristic solution: objective 24.0000000

Root relaxation: objective 0.000000e+00, 131 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   24.00000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   13   17.00000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
     0     0    0.00000    0    7    9.00000    0.00000   100%     -    0s
H    0     0                       5.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   14    5.00000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   12    4.00000    0.00000   100%     -    0s
     0     0    0.00000    0   12    4.00000    0.00000   100%     -    0s
     0     0    0.00000    0   12    4.00000    0.00000   100%     -    0s
     0     2    0.00000    0   12    4.00000    0.00000   100%     -    0s
H  313    72                       3.0000000    0.00000   100%   5.2    0s
H  327    28                       2.0000000    0.00000   100%   5.3    0s

Cutting planes:
  Cover: 172

Explored 421 nodes (4789 simplex iterations) in 0.10 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%