Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:58 2013 Optimize a model with 820 rows, 1232 columns and 1640 nonzeros Model has 410 quadratic constraints Presolve time: 0.00s Presolved: 820 rows, 1232 columns, 1640 nonzeros Presolved model has 410 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.230e+03 Factor NZ : 2.873e+03 Factor Ops : 1.026e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.53798685e+05 0.00000000e+00 2.84e-14 4.91e-01 2.97e+02 0s 1 7.12021321e+04 1.45751691e+04 1.40e-09 5.09e-05 4.60e+01 0s 2 5.33993189e+04 4.19103864e+04 6.54e-09 7.36e-06 9.34e+00 0s 3 4.89253125e+04 4.70241905e+04 3.29e-09 2.00e-06 1.55e+00 0s 4 4.75573307e+04 4.75090833e+04 2.09e-09 1.89e-07 3.92e-02 0s 5 4.75428648e+04 4.75340273e+04 7.65e-10 1.56e-08 7.18e-03 0s 6 4.75348838e+04 4.75342440e+04 1.19e-10 4.99e-10 5.20e-04 0s 7 4.75347075e+04 4.75342635e+04 8.27e-11 2.97e-10 3.61e-04 0s 8 4.75344771e+04 4.75342740e+04 3.34e-11 2.19e-10 1.65e-04 0s 9 4.75344102e+04 4.75342929e+04 2.01e-11 1.04e-10 9.54e-05 0s 10 4.75343718e+04 4.75343058e+04 1.17e-11 4.30e-11 5.37e-05 0s 11 4.75343397e+04 4.75343121e+04 4.30e-12 2.15e-11 2.24e-05 0s Barrier solved model in 11 iterations and 0.03 seconds Optimal objective 4.75343397e+04