Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:14 2013 Optimize a model with 5800 rows, 8702 columns and 11600 nonzeros Model has 2900 quadratic constraints Presolve time: 0.01s Presolved: 5800 rows, 8702 columns, 11600 nonzeros Presolved model has 2900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 8.700e+03 Factor NZ : 2.030e+04 (roughly 6 MBytes of memory) Factor Ops : 7.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.55237207e+06 0.00000000e+00 3.55e-14 5.20e-01 3.03e+02 0s 1 5.06364058e+05 1.02458669e+05 3.28e-08 4.96e-05 4.64e+01 0s 2 3.82839983e+05 3.02585132e+05 5.41e-08 6.57e-06 9.22e+00 0s 3 3.49203417e+05 3.35973208e+05 1.04e-08 1.11e-06 1.52e+00 0s 4 3.41707753e+05 3.38408526e+05 1.35e-13 5.97e-07 3.79e-01 0s 5 3.41439217e+05 3.41022069e+05 1.12e-10 5.29e-08 4.79e-02 0s 6 3.41386553e+05 3.41300794e+05 9.95e-13 1.23e-08 9.86e-03 0s 7 3.41383684e+05 3.41359400e+05 2.63e-13 3.51e-09 2.79e-03 0s 8 3.41382485e+05 3.41377137e+05 3.55e-14 7.59e-10 6.15e-04 0s 9 3.41382239e+05 3.41379381e+05 2.84e-14 3.82e-10 3.28e-04 0s 10 3.41381997e+05 3.41379902e+05 2.84e-14 2.90e-10 2.41e-04 0s 11 3.41381750e+05 3.41380854e+05 5.68e-14 1.14e-10 1.03e-04 0s 12 3.41381689e+05 3.41380948e+05 2.84e-14 9.46e-11 8.51e-05 0s 13 3.41381629e+05 3.41380960e+05 1.42e-14 9.23e-11 7.69e-05 0s 14 3.41381625e+05 3.41381074e+05 1.42e-14 7.14e-11 6.34e-05 0s 15 3.41381585e+05 3.41381082e+05 1.42e-14 6.95e-11 5.77e-05 0s 16 3.41381586e+05 3.41381153e+05 1.42e-14 5.59e-11 4.97e-05 0s 17 3.41381532e+05 3.41381181e+05 2.13e-14 5.05e-11 4.03e-05 0s 18 3.41381502e+05 3.41381228e+05 2.84e-14 4.01e-11 3.15e-05 0s Barrier solved model in 18 iterations and 0.23 seconds Optimal objective 3.41381502e+05