Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:22 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 5.31784688e+06 0.00000000e+00 1.28e-13 5.01e-01 3.00e+02 0s 1 1.06490978e+06 2.09977040e+05 2.64e-08 4.96e-05 4.67e+01 0s 2 7.91491564e+05 6.24132997e+05 3.81e-08 5.84e-06 9.15e+00 0s 3 7.25985053e+05 6.92940227e+05 1.17e-08 7.96e-07 1.81e+00 0s 4 7.07808341e+05 7.03571529e+05 1.14e-09 1.25e-07 2.32e-01 0s 5 7.05656224e+05 7.05533223e+05 3.55e-14 2.77e-09 6.72e-03 0s 6 7.05602213e+05 7.05598075e+05 2.84e-14 3.21e-11 2.26e-04 0s 7 7.05599369e+05 7.05599129e+05 4.97e-14 3.96e-13 1.31e-05 0s Barrier solved model in 7 iterations and 0.22 seconds Optimal objective 7.05599369e+05