Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:29 2013 Optimize a model with 12200 rows, 18302 columns and 24400 nonzeros Model has 6100 quadratic constraints Presolve time: 0.01s Presolved: 12200 rows, 18302 columns, 24400 nonzeros Presolved model has 6100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.830e+04 Factor NZ : 4.270e+04 (roughly 13 MBytes of memory) Factor Ops : 1.525e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.26556944e+06 0.00000000e+00 1.07e-13 4.84e-01 2.98e+02 0s 1 1.05028685e+06 2.08543979e+05 4.92e-08 4.89e-05 4.60e+01 0s 2 7.84753394e+05 6.19765264e+05 7.11e-08 3.72e-06 9.02e+00 0s 3 7.20932042e+05 6.91302084e+05 1.71e-08 4.67e-07 1.62e+00 0s 4 6.99816944e+05 6.99338572e+05 1.61e-09 3.40e-08 2.61e-02 0s 5 6.99503310e+05 6.99454056e+05 2.12e-10 2.72e-10 2.69e-03 0s 6 6.99463164e+05 6.99455397e+05 1.22e-10 1.17e-10 4.24e-04 0s 7 6.99457783e+05 6.99456066e+05 2.78e-11 2.37e-13 9.38e-05 0s 8 6.99457126e+05 6.99456196e+05 1.55e-11 5.84e-13 5.08e-05 0s 9 6.99456481e+05 6.99456281e+05 3.21e-12 1.23e-12 1.09e-05 0s Barrier solved model in 9 iterations and 0.25 seconds Optimal objective 6.99456481e+05