Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:25:09 2012

Optimize a model with 1 rows, 145 columns and 145 nonzeros
Model has 116 quadratic objective terms
Presolve removed 0 rows and 24 columns
Presolve time: 0.00s
Presolved: 117 rows, 237 columns, 469 nonzeros
Variable types: 0 continuous, 237 integer (236 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 0.000000e+00, 153 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   15   30.00000    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    8   12.00000    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   12    6.00000    0.00000   100%     -    0s
     0     0    0.00000    0   12    6.00000    0.00000   100%     -    0s
     0     0    0.00000    0   12    6.00000    0.00000   100%     -    0s
H    0     0                       5.0000000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   10    4.00000    0.00000   100%     -    0s
*  208    30              14       3.0000000    0.00000   100%   2.1    0s
H  218    19                       2.0000000    0.00000   100%   2.2    0s

Cutting planes:
  Cover: 208

Explored 556 nodes (7685 simplex iterations) in 0.14 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%