Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:51 2013 Optimize a model with 600 rows, 902 columns and 1200 nonzeros Model has 300 quadratic constraints Presolve time: 0.00s Presolved: 600 rows, 902 columns, 1200 nonzeros Presolved model has 300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.000e+02 Factor NZ : 2.103e+03 Factor Ops : 7.505e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.55394551e+05 0.00000000e+00 2.84e-14 5.04e-01 2.92e+02 0s 1 5.15860046e+04 1.05256371e+04 3.57e-09 5.09e-05 4.56e+01 0s 2 3.83115840e+04 3.02557426e+04 8.22e-09 6.98e-06 8.95e+00 0s 3 3.49814682e+04 3.38135420e+04 2.18e-09 1.91e-06 1.30e+00 0s 4 3.44384483e+04 3.43539201e+04 6.13e-11 2.18e-07 9.39e-02 0s 5 3.44187025e+04 3.43941483e+04 1.42e-14 8.13e-08 2.73e-02 0s 6 3.44175693e+04 3.44147944e+04 3.55e-14 8.65e-09 3.08e-03 0s 7 3.44170152e+04 3.44153466e+04 1.42e-14 6.39e-09 1.85e-03 0s 8 3.44169511e+04 3.44159202e+04 2.84e-14 3.95e-09 1.15e-03 0s 9 3.44168417e+04 3.44166136e+04 4.26e-14 9.01e-10 2.54e-04 0s 10 3.44168240e+04 3.44166893e+04 2.84e-14 4.76e-10 1.50e-04 0s 11 3.44167966e+04 3.44167051e+04 4.26e-14 3.84e-10 1.02e-04 0s 12 3.44167834e+04 3.44167130e+04 1.42e-14 3.36e-10 7.83e-05 0s 13 3.44167827e+04 3.44167173e+04 1.42e-14 3.10e-10 7.27e-05 0s 14 3.44167778e+04 3.44167457e+04 1.42e-14 1.34e-10 3.58e-05 0s Barrier solved model in 14 iterations and 0.02 seconds Optimal objective 3.44167778e+04