Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:49:16 2013 Optimize a model with 10800 rows, 16202 columns and 21600 nonzeros Model has 5400 quadratic constraints Presolve time: 0.01s Presolved: 10800 rows, 16202 columns, 21600 nonzeros Presolved model has 5400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.620e+04 Factor NZ : 3.780e+04 (roughly 10 MBytes of memory) Factor Ops : 1.350e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.67902887e+06 0.00000000e+00 1.14e-13 4.88e-01 2.98e+02 0s 1 9.32183102e+05 1.86233302e+05 7.88e-08 4.89e-05 4.60e+01 0s 2 6.98961540e+05 5.53829965e+05 8.83e-08 5.98e-06 8.96e+00 0s 3 6.42714996e+05 6.13422897e+05 2.19e-08 1.03e-06 1.81e+00 0s 4 6.25288152e+05 6.21239410e+05 1.39e-09 2.17e-07 2.50e-01 0s 5 6.23549871e+05 6.23283231e+05 2.26e-10 1.70e-08 1.65e-02 0s 6 6.23477990e+05 6.23472346e+05 2.40e-11 3.08e-09 3.48e-04 0s 7 6.23475056e+05 6.23474204e+05 3.06e-12 5.26e-10 5.26e-05 0s 8 6.23474689e+05 6.23474548e+05 5.33e-13 7.55e-11 8.70e-06 0s Barrier solved model in 8 iterations and 0.19 seconds Optimal objective 6.23474689e+05