Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:07:43 2013 Optimize a model with 50000 rows, 75002 columns and 100000 nonzeros Model has 25000 quadratic constraints Presolve time: 0.05s Presolved: 50000 rows, 75002 columns, 100000 nonzeros Presolved model has 25000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 7.500e+04 Factor NZ : 1.750e+05 (roughly 50 MBytes of memory) Factor Ops : 6.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.16332799e+07 0.00000000e+00 1.29e-12 5.02e-01 2.98e+02 0s 1 4.35234011e+06 8.72126737e+05 1.96e-07 4.83e-05 4.64e+01 0s 2 3.25521342e+06 2.57453768e+06 2.84e-08 2.99e-06 9.08e+00 0s 3 2.99955705e+06 2.85636958e+06 6.18e-09 3.65e-07 1.91e+00 0s 4 2.90583731e+06 2.89662992e+06 1.19e-10 3.72e-08 1.23e-01 1s 5 2.90172661e+06 2.90163424e+06 2.26e-12 6.75e-11 1.23e-03 1s 6 2.90165916e+06 2.90164824e+06 4.69e-13 2.11e-12 1.46e-04 1s 7 2.90165114e+06 2.90164885e+06 3.69e-13 3.65e-13 3.06e-05 1s Barrier solved model in 7 iterations and 0.88 seconds Optimal objective 2.90165114e+06