Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:59 2012

Optimize a model with 1 rows, 39 columns and 39 nonzeros
Model has 42 quadratic objective terms
Presolve removed 0 rows and 4 columns
Presolve time: 0.00s
Presolved: 43 rows, 77 columns, 161 nonzeros
Variable types: 0 continuous, 77 integer (76 binary)
Found heuristic solution: objective 14.0000000

Root relaxation: objective 0.000000e+00, 50 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   13   14.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   13   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   10   12.00000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   14    7.00000    0.00000   100%     -    0s
     0     0    0.00000    0   14    7.00000    0.00000   100%     -    0s
     0     2    0.00000    0    9    7.00000    0.00000   100%     -    0s
H   80    44                       6.0000000    0.00000   100%   3.6    0s
H  116    44                       5.0000000    0.00000   100%   5.0    0s
*  138    32               8       4.0000000    0.84615  78.8%   5.6    0s

Cutting planes:
  Cover: 78
  MIR: 3

Explored 175 nodes (1456 simplex iterations) in 0.03 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%