Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:23:36 2013 Optimize a model with 178000 rows, 267002 columns and 356000 nonzeros Model has 89000 quadratic constraints Presolve time: 0.21s Presolved: 178000 rows, 267002 columns, 356000 nonzeros Presolved model has 89000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.670e+05 Factor NZ : 6.230e+05 (roughly 200 MBytes of memory) Factor Ops : 2.225e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.48787704e+07 0.00000000e+00 2.08e-11 5.02e-01 2.90e+02 1s 1 1.53288854e+07 3.18967037e+06 1.25e-06 4.51e-05 4.55e+01 1s 2 1.15360799e+07 9.21387402e+06 1.80e-07 2.67e-06 8.70e+00 1s 3 1.06379724e+07 1.01692174e+07 3.97e-08 3.24e-07 1.76e+00 2s 4 1.03414452e+07 1.03101234e+07 1.72e-09 1.95e-08 1.17e-01 2s 5 1.03239294e+07 1.03210799e+07 2.30e-10 1.68e-10 1.07e-02 3s 6 1.03214488e+07 1.03211548e+07 1.81e-11 7.60e-11 1.10e-03 3s 7 1.03213217e+07 1.03212248e+07 7.72e-12 5.12e-12 3.63e-04 3s 8 1.03212433e+07 1.03212274e+07 1.58e-12 4.88e-12 5.96e-05 4s 9 1.03212395e+07 1.03212274e+07 1.58e-12 7.77e-12 4.51e-05 4s 10 1.03212332e+07 1.03212280e+07 6.61e-13 3.98e-12 1.93e-05 4s Barrier solved model in 10 iterations and 4.39 seconds Optimal objective 1.03212332e+07