Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:59:21 2013 Optimize a model with 19600 rows, 29402 columns and 39200 nonzeros Model has 9800 quadratic constraints Presolve time: 0.02s Presolved: 19600 rows, 29402 columns, 39200 nonzeros Presolved model has 9800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.940e+04 Factor NZ : 6.860e+04 (roughly 20 MBytes of memory) Factor Ops : 2.450e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.50634891e+06 0.00000000e+00 2.42e-13 4.95e-01 2.99e+02 0s 1 1.69577010e+06 3.36437190e+05 1.34e-07 4.86e-05 4.62e+01 0s 2 1.26524143e+06 9.99661306e+05 7.86e-09 3.01e-06 9.03e+00 0s 3 1.16464727e+06 1.11061593e+06 1.61e-09 3.58e-07 1.84e+00 0s 4 1.12951039e+06 1.12531710e+06 1.87e-11 4.79e-08 1.43e-01 0s 5 1.12796965e+06 1.12786242e+06 4.55e-13 1.26e-09 3.65e-03 0s 6 1.12793707e+06 1.12793351e+06 5.68e-14 1.28e-11 1.21e-04 0s 7 1.12793483e+06 1.12793425e+06 1.56e-13 2.41e-12 1.95e-05 0s Barrier solved model in 7 iterations and 0.33 seconds Optimal objective 1.12793483e+06