Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:31:55 2013 Optimize a model with 90000 rows, 135002 columns and 180000 nonzeros Model has 45000 quadratic constraints Presolve time: 0.10s Presolved: 90000 rows, 135002 columns, 180000 nonzeros Presolved model has 45000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.350e+05 Factor NZ : 3.150e+05 (roughly 100 MBytes of memory) Factor Ops : 1.125e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.86088924e+07 0.00000000e+00 4.49e-12 5.02e-01 2.96e+02 0s 1 7.78939243e+06 1.58722401e+06 6.81e-07 4.69e-05 4.59e+01 0s 2 5.85232985e+06 4.65498163e+06 9.83e-08 2.83e-06 8.87e+00 1s 3 5.39290708e+06 5.14658487e+06 2.21e-08 3.50e-07 1.82e+00 1s 4 5.25243473e+06 5.20850891e+06 2.96e-09 7.55e-08 3.25e-01 1s 5 5.22752570e+06 5.22466507e+06 4.49e-11 8.41e-09 2.12e-02 1s 6 5.22712788e+06 5.22691088e+06 1.48e-11 7.31e-11 1.61e-03 1s 7 5.22699339e+06 5.22693034e+06 4.65e-12 7.80e-12 4.67e-04 2s 8 5.22694793e+06 5.22693072e+06 1.31e-12 3.89e-12 1.27e-04 2s 9 5.22693691e+06 5.22693227e+06 3.91e-13 1.69e-12 3.44e-05 2s Barrier solved model in 9 iterations and 2.00 seconds Optimal objective 5.22693691e+06