Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:56 2013 Optimize a model with 760 rows, 1142 columns and 1520 nonzeros Model has 380 quadratic constraints Presolve time: 0.00s Presolved: 760 rows, 1142 columns, 1520 nonzeros Presolved model has 380 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.140e+03 Factor NZ : 2.663e+03 Factor Ops : 9.505e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.26312526e+05 0.00000000e+00 4.26e-14 4.75e-01 2.96e+02 0s 1 6.27163613e+04 1.34718971e+04 2.50e-09 5.09e-05 4.32e+01 0s 2 5.11693661e+04 3.94863755e+04 4.72e-09 9.03e-06 1.02e+01 0s 3 4.53817121e+04 4.37972920e+04 3.55e-09 1.72e-06 1.39e+00 0s 4 4.42248957e+04 4.40833127e+04 1.13e-09 2.61e-07 1.24e-01 0s 5 4.41645552e+04 4.41616938e+04 2.23e-11 3.09e-08 2.51e-03 0s 6 4.41638327e+04 4.41635082e+04 2.20e-11 9.22e-09 2.85e-04 0s 7 4.41637354e+04 4.41636728e+04 1.93e-09 4.64e-09 5.49e-05 0s 8 4.41637179e+04 4.41636778e+04 1.26e-09 2.61e-09 3.52e-05 0s Barrier solved model in 8 iterations and 0.02 seconds Optimal objective 4.41637179e+04