Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:16:15 2013 Optimize a model with 68000 rows, 102002 columns and 136000 nonzeros Model has 34000 quadratic constraints Presolve time: 0.07s Presolved: 68000 rows, 102002 columns, 136000 nonzeros Presolved model has 34000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.020e+05 Factor NZ : 2.380e+05 (roughly 70 MBytes of memory) Factor Ops : 8.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.93557147e+07 0.00000000e+00 3.07e-12 5.05e-01 2.97e+02 0s 1 5.92449373e+06 1.19030709e+06 5.38e-07 4.78e-05 4.64e+01 0s 2 4.42805357e+06 3.50435204e+06 7.78e-08 2.94e-06 9.06e+00 0s 3 4.08285543e+06 3.88640525e+06 1.73e-08 3.60e-07 1.93e+00 1s 4 3.95198154e+06 3.93882850e+06 1.07e-10 4.99e-08 1.29e-01 1s 5 3.94811110e+06 3.94786722e+06 2.70e-12 6.79e-10 2.39e-03 1s 6 3.94802409e+06 3.94800453e+06 5.12e-13 3.25e-12 1.92e-04 1s 7 3.94800931e+06 3.94800519e+06 6.47e-13 3.05e-12 4.04e-05 1s 8 3.94800637e+06 3.94800526e+06 5.97e-13 2.12e-12 1.08e-05 1s Barrier solved model in 8 iterations and 1.34 seconds Optimal objective 3.94800637e+06