Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:26:01 2012

Optimize a model with 1 rows, 148 columns and 148 nonzeros
Model has 132 quadratic objective terms
Presolve removed 0 rows and 24 columns
Presolve time: 0.00s
Presolved: 133 rows, 256 columns, 520 nonzeros
Variable types: 0 continuous, 256 integer (255 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 0.000000e+00, 169 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   35   30.00000    0.00000   100%     -    0s
     0     0    0.00000    0   29   30.00000    0.00000   100%     -    0s
     0     0    0.00000    0   21   30.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   45   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   14   13.00000    0.00000   100%     -    0s
H    0     0                       6.0000000    0.00000   100%     -    0s
H    0     0                       5.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   12    5.00000    0.00000   100%     -    0s
*  441    90              21       4.0000000    1.00000  75.0%   8.8    0s

Cutting planes:
  Cover: 230
  MIR: 3
  Zero half: 1

Explored 541 nodes (10370 simplex iterations) in 0.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%