Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:48:17 2013 Optimize a model with 9600 rows, 14402 columns and 19200 nonzeros Model has 4800 quadratic constraints Presolve time: 0.01s Presolved: 9600 rows, 14402 columns, 19200 nonzeros Presolved model has 4800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.440e+04 Factor NZ : 3.360e+04 (roughly 10 MBytes of memory) Factor Ops : 1.200e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.15055361e+06 0.00000000e+00 5.68e-14 4.86e-01 2.98e+02 0s 1 8.27911939e+05 1.65002490e+05 2.32e-07 4.92e-05 4.60e+01 0s 2 6.18046036e+05 4.87737751e+05 5.54e-08 5.85e-06 9.05e+00 0s 3 5.66812971e+05 5.43124885e+05 5.13e-09 8.21e-07 1.65e+00 0s 4 5.54208294e+05 5.49314426e+05 9.94e-10 1.70e-07 3.40e-01 0s 5 5.51027625e+05 5.50390817e+05 1.64e-11 5.60e-08 4.42e-02 0s 6 5.50983270e+05 5.50917803e+05 7.26e-12 3.00e-09 4.55e-03 0s 7 5.50950163e+05 5.50947328e+05 4.33e-13 3.91e-11 1.97e-04 0s 8 5.50948165e+05 5.50947934e+05 7.94e-10 1.27e-09 1.61e-05 0s Barrier solved model in 8 iterations and 0.18 seconds Optimal objective 5.50948165e+05