Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:22:12 2012

Optimize a model with 125 rows, 316 columns and 316 nonzeros
Model has 248 quadratic constraints
Presolve time: 1.44s
Presolved: 125 rows, 316 columns, 316 nonzeros
Variable types: 248 continuous, 68 integer (68 binary)

Root relaxation: objective 0.000000e+00, 34 iterations, 0.00 seconds

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

H    0     0                      56.0000000          -     -      -    1s
     0     0    0.00000    0   61   56.00000    0.00000   100%     -    1s
     0     0    0.45703    0   67   56.00000    0.45703  99.2%     -    1s
     0     2    0.47533    0   67   56.00000    0.47533  99.2%     -    1s
*   27    27              18      24.0000000    2.01379  91.6%  36.5    1s
H   57    41                      22.0000000    2.05263  90.7%  27.3    1s
*  153    85              20      20.0000000    5.72845  71.4%  24.9    1s
*  949    91              14      19.0000000   14.24390  25.0%  25.2    2s

Cutting planes:
  Gomory: 2

Explored 1181 nodes (29295 simplex iterations) in 2.18 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.900000000000e+01, best bound 1.900000000000e+01, gap 0.0%