Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:43 2013 Optimize a model with 1620 rows, 2432 columns and 3240 nonzeros Model has 810 quadratic constraints Presolve time: 0.00s Presolved: 1620 rows, 2432 columns, 3240 nonzeros Presolved model has 810 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.430e+03 Factor NZ : 5.673e+03 (roughly 2 MBytes of memory) Factor Ops : 2.026e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.05664018e+05 0.00000000e+00 2.84e-14 4.90e-01 3.00e+02 0s 1 1.37535366e+05 2.72539736e+04 1.10e-08 4.93e-05 4.54e+01 0s 2 1.03250280e+05 8.14996773e+04 2.31e-08 6.41e-06 8.95e+00 0s 3 9.45531034e+04 9.07074418e+04 2.66e-09 1.24e-06 1.58e+00 0s 4 9.22888900e+04 9.20086733e+04 8.32e-10 2.37e-07 1.15e-01 0s 5 9.22210785e+04 9.22153667e+04 1.07e-11 5.35e-09 2.35e-03 0s 6 9.22199389e+04 9.22181845e+04 1.82e-12 1.87e-09 7.22e-04 0s 7 9.22197360e+04 9.22185766e+04 6.82e-13 1.35e-09 4.77e-04 0s 8 9.22195916e+04 9.22190369e+04 6.20e-10 6.75e-10 2.28e-04 0s 9 9.22195817e+04 9.22191356e+04 4.21e-10 5.48e-10 1.84e-04 0s 10 9.22195662e+04 9.22194024e+04 1.30e-10 1.99e-10 6.74e-05 0s 11 9.22195567e+04 9.22194127e+04 5.41e-11 1.85e-10 5.93e-05 0s 12 9.22195502e+04 9.22194677e+04 1.10e-11 1.09e-10 3.39e-05 0s Barrier solved model in 12 iterations and 0.05 seconds Optimal objective 9.22195502e+04