Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:35:57 2013 Optimize a model with 40 rows, 62 columns and 80 nonzeros Model has 20 quadratic constraints Presolve time: 0.00s Presolved: 40 rows, 62 columns, 80 nonzeros Presolved model has 20 second-order cone constraints Ordering time: 0.00s Barrier statistics: Free vars : 2 AA' NZ : 4.000e+02 Factor NZ : 7.210e+02 Factor Ops : 1.610e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.34281222e+04 0.00000000e+00 9.95e-14 3.70e-01 2.31e+02 0s 1 2.96711652e+03 8.13647074e+02 1.18e-09 5.95e-05 3.59e+01 0s 2 2.46903375e+03 2.02158748e+03 2.64e-09 1.65e-05 7.46e+00 0s 3 2.24668152e+03 2.21797445e+03 3.27e-10 1.14e-06 4.78e-01 0s 4 2.22617009e+03 2.22557173e+03 8.60e-12 1.59e-07 9.97e-03 0s 5 2.22585953e+03 2.22578347e+03 1.40e-12 3.33e-09 1.27e-03 0s 6 2.22583076e+03 2.22581207e+03 6.11e-13 2.51e-10 3.11e-04 0s 7 2.22582018e+03 2.22581648e+03 1.35e-13 4.43e-12 6.17e-05 0s 8 2.22581883e+03 2.22581651e+03 1.42e-13 3.94e-12 3.86e-05 0s 9 2.22581861e+03 2.22581724e+03 1.14e-13 5.33e-13 2.29e-05 0s Barrier solved model in 9 iterations and 0.01 seconds Optimal objective 2.22581861e+03