Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:38 2013 Optimize a model with 1540 rows, 2312 columns and 3080 nonzeros Model has 770 quadratic constraints Presolve time: 0.00s Presolved: 1540 rows, 2312 columns, 3080 nonzeros Presolved model has 770 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.310e+03 Factor NZ : 5.393e+03 (roughly 2 MBytes of memory) Factor Ops : 1.926e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.68401455e+05 0.00000000e+00 2.84e-14 5.05e-01 2.98e+02 0s 1 1.31310825e+05 2.82768379e+04 5.76e-09 4.83e-05 4.46e+01 0s 2 1.06756257e+05 8.28470430e+04 4.00e-08 7.88e-06 1.04e+01 0s 3 9.38224907e+04 9.13523239e+04 7.74e-09 1.21e-06 1.07e+00 0s 4 9.20351293e+04 9.19910423e+04 5.18e-10 2.28e-08 1.91e-02 0s 5 9.20085993e+04 9.20056656e+04 2.65e-10 8.61e-09 1.27e-03 0s 6 9.20066555e+04 9.20062684e+04 9.36e-10 8.08e-09 1.68e-04 0s 7 9.20064174e+04 9.20063261e+04 2.78e-09 7.46e-10 3.96e-05 0s Barrier solved model in 7 iterations and 0.03 seconds Optimal objective 9.20064174e+04