Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:38:40 2013 Optimize a model with 60 rows, 92 columns and 120 nonzeros Model has 30 quadratic constraints Presolve time: 0.00s Presolved: 60 rows, 92 columns, 120 nonzeros Presolved model has 30 second-order cone constraints Ordering time: 0.00s Barrier statistics: Free vars : 2 AA' NZ : 9.000e+02 Factor NZ : 1.606e+03 Factor Ops : 5.343e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.66750359e+04 0.00000000e+00 1.14e-13 6.39e-01 3.08e+02 0s 1 5.42707741e+03 1.24732854e+03 7.78e-10 5.33e-05 4.64e+01 0s 2 4.35725112e+03 3.54550466e+03 1.02e-09 9.30e-06 9.02e+00 0s 3 3.92395012e+03 3.87625917e+03 5.31e-10 6.88e-07 5.30e-01 0s 4 3.89149890e+03 3.89085847e+03 3.50e-11 3.56e-08 7.12e-03 0s 5 3.89114133e+03 3.89110037e+03 5.59e-11 1.64e-08 4.55e-04 0s 6 3.89110971e+03 3.89110832e+03 2.33e-09 5.80e-09 1.55e-05 0s Barrier solved model in 6 iterations and 0.01 seconds Optimal objective 3.89110971e+03