Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:14 2012

Optimize a model with 1 rows, 54 columns and 54 nonzeros
Model has 88 quadratic objective terms
Presolve time: 0.00s
Presolved: 89 rows, 142 columns, 318 nonzeros
Variable types: 0 continuous, 142 integer (142 binary)
Found heuristic solution: objective 38.0000000

Root relaxation: objective 0.000000e+00, 118 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   36   38.00000    0.00000   100%     -    0s
H    0     0                      26.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   29   26.00000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   89   25.00000    0.00000   100%     -    0s
     0     0    0.00000    0   24   25.00000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   24   24.00000    0.00000   100%     -    0s
H  119    72                      21.0000000    0.00000   100%   2.9    0s
H  137    84                      19.0000000    0.00000   100%   3.5    0s
H  206   111                      16.0000000    0.00000   100%   6.5    0s
H  219   107                      15.0000000    0.00000   100%   6.7    0s
*  267   108               8      13.0000000    1.00000  92.3%   8.4    0s
H  330    82                      12.0000000    2.00000  83.3%  11.7    0s

Cutting planes:
  Gomory: 5
  Cover: 167

Explored 438 nodes (8196 simplex iterations) in 0.14 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%