Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:49:26 2013 Optimize a model with 11000 rows, 16502 columns and 22000 nonzeros Model has 5500 quadratic constraints Presolve time: 0.01s Presolved: 11000 rows, 16502 columns, 22000 nonzeros Presolved model has 5500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.650e+04 Factor NZ : 3.850e+04 (roughly 10 MBytes of memory) Factor Ops : 1.375e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.76964511e+06 0.00000000e+00 8.53e-14 4.89e-01 2.99e+02 0s 1 9.50597189e+05 1.89827108e+05 5.68e-08 4.90e-05 4.61e+01 0s 2 7.12699002e+05 5.64470969e+05 4.39e-08 6.01e-06 8.98e+00 0s 3 6.53994715e+05 6.25226293e+05 9.50e-09 7.74e-07 1.74e+00 0s 4 6.38208277e+05 6.33790971e+05 1.16e-09 1.27e-07 2.68e-01 0s 5 6.35626252e+05 6.35513100e+05 1.77e-11 4.05e-09 6.86e-03 0s 6 6.35592639e+05 6.35578116e+05 5.16e-12 2.80e-11 8.80e-04 0s 7 6.35579917e+05 6.35578780e+05 4.76e-13 2.42e-13 6.89e-05 0s 8 6.35579120e+05 6.35578839e+05 3.98e-13 4.06e-13 1.70e-05 0s Barrier solved model in 8 iterations and 0.20 seconds Optimal objective 6.35579120e+05