Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:22:31 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 7.47859280e+07 0.00000000e+00 2.06e-11 5.00e-01 2.90e+02 1s 1 1.53219613e+07 3.18407803e+06 2.43e-07 4.52e-05 4.55e+01 1s 2 1.15232176e+07 9.19873995e+06 3.49e-08 2.68e-06 8.71e+00 1s 3 1.06195682e+07 1.01547656e+07 7.62e-09 3.20e-07 1.74e+00 2s 4 1.03279010e+07 1.02966435e+07 3.93e-10 1.40e-08 1.17e-01 2s 5 1.03058872e+07 1.03051779e+07 1.01e-11 4.53e-12 2.66e-03 3s 6 1.03053679e+07 1.03052396e+07 1.90e-12 2.76e-12 4.81e-04 3s 7 1.03052765e+07 1.03052540e+07 4.05e-13 5.25e-12 8.43e-05 3s 8 1.03052680e+07 1.03052561e+07 6.54e-13 5.64e-12 4.44e-05 4s 9 1.03052633e+07 1.03052566e+07 5.12e-13 4.43e-12 2.52e-05 4s Barrier solved model in 9 iterations and 4.05 seconds Optimal objective 1.03052633e+07