Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:54:17 2012

Optimize a model with 108 rows, 235 columns and 235 nonzeros
Model has 214 quadratic constraints
Presolve time: 1.25s
Presolved: 108 rows, 235 columns, 235 nonzeros
Variable types: 214 continuous, 21 integer (21 binary)

Root relaxation: objective 0.000000e+00, 10 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

H    0     0                      57.0000000          -     -      -    1s
     0     0    0.00000    0   20   57.00000    0.00000   100%     -    1s
     0     0    0.52381    0   21   57.00000    0.52381  99.1%     -    1s
     0     2    0.55556    0   21   57.00000    0.55556  99.0%     -    1s
*   24    24              14      49.0000000    6.20513  87.3%  27.4    1s
*   29    21              15      48.0000000    6.20513  87.1%  24.1    1s
H   50    38                      47.0000000    6.31373  86.6%  24.0    1s
H  101    69                      45.0000000   10.27778  77.2%  25.8    1s
H  159    99                      41.0000000   11.00000  73.2%  26.6    1s
*  161    90               9      40.0000000   11.00000  72.5%  26.5    1s

Cutting planes:
  Gomory: 1

Explored 870 nodes (17995 simplex iterations) in 1.67 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+01, best bound 4.000000000000e+01, gap 0.0%