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 3.40023940e+05 0.00000000e+00 2.84e-14 4.93e-01 2.93e+02 0s 1 6.97324568e+04 1.48764600e+04 4.99e-09 5.04e-05 4.57e+01 0s 2 5.30066055e+04 4.22890693e+04 1.07e-08 6.47e-06 8.93e+00 0s 3 4.83275690e+04 4.72134870e+04 5.35e-09 1.43e-06 9.28e-01 0s 4 4.76047935e+04 4.75376677e+04 1.18e-10 1.88e-07 5.59e-02 0s 5 4.75852523e+04 4.75765254e+04 2.13e-14 3.37e-08 7.27e-03 0s 6 4.75848541e+04 4.75818309e+04 5.68e-14 1.15e-08 2.52e-03 0s 7 4.75845346e+04 4.75830852e+04 2.13e-14 6.10e-09 1.21e-03 0s 8 4.75844914e+04 4.75841053e+04 5.72e-11 2.47e-09 3.22e-04 0s 9 4.75844316e+04 4.75843390e+04 9.01e-10 8.52e-10 7.71e-05 0s 10 4.75844159e+04 4.75843557e+04 1.53e-11 6.67e-10 5.02e-05 0s 11 4.75844144e+04 4.75843853e+04 6.25e-12 3.20e-10 2.42e-05 0s Barrier solved model in 11 iterations and 0.03 seconds Optimal objective 4.75844144e+04