Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:26:57 2012

Optimize a model with 120 rows, 312 columns and 312 nonzeros
Model has 238 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 1.39s
Presolved: 120 rows, 311 columns, 311 nonzeros
Variable types: 238 continuous, 73 integer (72 binary)

Root relaxation: objective 0.000000e+00, 36 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   60   57.00000    0.00000   100%     -    1s
     0     0    0.42729    0   70   57.00000    0.42729  99.3%     -    1s
     0     2    0.43624    0   70   57.00000    0.43624  99.2%     -    1s
*   24    24              15      19.0000000    2.22222  88.3%  34.7    1s
H  254    93                      18.0000000    7.00000  61.1%  20.0    1s
H  307    93                      17.0000000    8.63305  49.2%  19.3    1s
*  504    88              10      16.0000000   10.51351  34.3%  19.8    1s

Cutting planes:
  Gomory: 1

Explored 871 nodes (17187 simplex iterations) in 1.86 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%