Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:57 2013 Optimize a model with 800 rows, 1202 columns and 1600 nonzeros Model has 400 quadratic constraints Presolve time: 0.00s Presolved: 800 rows, 1202 columns, 1600 nonzeros Presolved model has 400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.200e+03 Factor NZ : 2.803e+03 Factor Ops : 1.000e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.32364769e+05 0.00000000e+00 4.26e-14 4.62e-01 2.86e+02 0s 1 6.67773518e+04 1.50822785e+04 7.29e-09 4.84e-05 4.31e+01 0s 2 5.48412377e+04 4.31787809e+04 5.80e-09 7.83e-06 9.72e+00 0s 3 4.86639779e+04 4.75256053e+04 2.92e-09 1.35e-06 9.49e-01 0s 4 4.77386699e+04 4.77056580e+04 7.49e-11 5.82e-08 2.75e-02 0s 5 4.77173423e+04 4.77117008e+04 8.63e-12 1.80e-08 4.70e-03 0s 6 4.77148132e+04 4.77137768e+04 3.49e-10 4.32e-09 8.64e-04 0s 7 4.77145951e+04 4.77142775e+04 2.60e-09 8.63e-10 2.65e-04 0s 8 4.77145050e+04 4.77144737e+04 3.50e-10 5.41e-11 2.61e-05 0s Barrier solved model in 8 iterations and 0.02 seconds Optimal objective 4.77145050e+04