Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:01 2013 Optimize a model with 11800 rows, 17702 columns and 23600 nonzeros Model has 5900 quadratic constraints Presolve time: 0.01s Presolved: 11800 rows, 17702 columns, 23600 nonzeros Presolved model has 5900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.770e+04 Factor NZ : 4.130e+04 (roughly 12 MBytes of memory) Factor Ops : 1.475e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.13460727e+06 0.00000000e+00 9.95e-14 4.99e-01 3.00e+02 0s 1 1.02818456e+06 2.02114209e+05 1.21e-07 4.96e-05 4.67e+01 0s 2 7.62753433e+05 6.00808076e+05 5.86e-08 5.86e-06 9.15e+00 0s 3 6.99520704e+05 6.67634793e+05 1.19e-08 7.93e-07 1.80e+00 0s 4 6.82195441e+05 6.77869390e+05 1.30e-09 1.26e-07 2.44e-01 0s 5 6.79880540e+05 6.79774329e+05 3.55e-14 2.49e-09 6.00e-03 0s 6 6.79837374e+05 6.79836094e+05 2.84e-14 9.54e-12 7.23e-05 0s 7 6.79836689e+05 6.79836578e+05 1.42e-13 4.43e-13 6.29e-06 0s Barrier solved model in 7 iterations and 0.21 seconds Optimal objective 6.79836689e+05