Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:26:02 2013 Optimize a model with 82000 rows, 123002 columns and 164000 nonzeros Model has 41000 quadratic constraints Presolve time: 0.09s Presolved: 82000 rows, 123002 columns, 164000 nonzeros Presolved model has 41000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.230e+05 Factor NZ : 2.870e+05 (roughly 80 MBytes of memory) Factor Ops : 1.025e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.51594068e+07 0.00000000e+00 3.25e-12 4.99e-01 2.95e+02 0s 1 7.08589267e+06 1.43680391e+06 6.72e-07 4.71e-05 4.59e+01 0s 2 5.31286106e+06 4.21982146e+06 9.68e-08 2.87e-06 8.89e+00 1s 3 4.88266589e+06 4.67246988e+06 2.13e-08 3.45e-07 1.71e+00 1s 4 4.77002873e+06 4.72384719e+06 3.54e-09 9.33e-08 3.75e-01 1s 5 4.74541682e+06 4.74137583e+06 1.42e-10 1.17e-08 3.29e-02 1s 6 4.74462698e+06 4.74397440e+06 5.31e-11 7.54e-10 5.31e-03 1s 7 4.74417770e+06 4.74414985e+06 1.98e-12 2.11e-11 2.26e-04 1s 8 4.74416257e+06 4.74415561e+06 7.53e-13 1.87e-12 5.66e-05 2s 9 4.74415943e+06 4.74415583e+06 1.22e-12 8.21e-12 2.93e-05 2s Barrier solved model in 9 iterations and 1.82 seconds Optimal objective 4.74415943e+06