Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:57:17 2013 Optimize a model with 18200 rows, 27302 columns and 36400 nonzeros Model has 9100 quadratic constraints Presolve time: 0.02s Presolved: 18200 rows, 27302 columns, 36400 nonzeros Presolved model has 9100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.730e+04 Factor NZ : 6.370e+04 (roughly 20 MBytes of memory) Factor Ops : 2.275e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.95322906e+06 0.00000000e+00 1.56e-13 5.07e-01 3.01e+02 0s 1 1.58838974e+06 3.17773531e+05 1.05e-07 4.90e-05 4.65e+01 0s 2 1.18999624e+06 9.41230728e+05 6.54e-09 3.10e-06 9.11e+00 0s 3 1.09282998e+06 1.04497205e+06 1.45e-09 3.74e-07 1.75e+00 0s 4 1.06359975e+06 1.05788272e+06 7.04e-11 7.78e-08 2.09e-01 0s 5 1.06144872e+06 1.06125394e+06 1.17e-12 3.40e-09 7.13e-03 0s 6 1.06141602e+06 1.06140850e+06 1.21e-13 8.56e-11 2.75e-04 0s 7 1.06141331e+06 1.06141213e+06 9.24e-14 9.96e-12 4.34e-05 0s 8 1.06141274e+06 1.06141248e+06 2.63e-13 8.80e-12 9.64e-06 0s Barrier solved model in 8 iterations and 0.34 seconds Optimal objective 1.06141274e+06