Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:20:39 2012

Optimize a model with 77 rows, 276 columns and 276 nonzeros
Model has 152 quadratic constraints
Presolve removed 0 rows and 34 columns
Presolve time: 0.89s
Presolved: 77 rows, 242 columns, 242 nonzeros
Variable types: 152 continuous, 90 integer (89 binary)

Root relaxation: objective 0.000000e+00, 29 iterations, 0.00 seconds

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

H    0     0                      31.0000000          -     -      -    0s
*    0     0               0       0.0000000    0.00000   0.0%     -    0s

Cutting planes:

Explored 0 nodes (90 simplex iterations) in 0.90 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%