Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:57:28 2013 Optimize a model with 18400 rows, 27602 columns and 36800 nonzeros Model has 9200 quadratic constraints Presolve time: 0.02s Presolved: 18400 rows, 27602 columns, 36800 nonzeros Presolved model has 9200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.760e+04 Factor NZ : 6.440e+04 (roughly 20 MBytes of memory) Factor Ops : 2.300e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.99335682e+06 0.00000000e+00 1.71e-13 4.96e-01 2.99e+02 0s 1 1.60207835e+06 3.16725613e+05 8.83e-08 4.93e-05 4.66e+01 0s 2 1.19176005e+06 9.39797008e+05 1.26e-08 3.07e-06 9.13e+00 0s 3 1.09879287e+06 1.04516481e+06 2.58e-09 3.75e-07 1.94e+00 0s 4 1.06282132e+06 1.06140194e+06 4.97e-14 5.92e-09 5.14e-02 0s 5 1.06202786e+06 1.06196257e+06 2.84e-14 3.15e-11 2.37e-03 0s 6 1.06197546e+06 1.06196792e+06 1.32e-10 9.14e-10 2.73e-04 0s 7 1.06197025e+06 1.06196834e+06 3.44e-11 2.10e-13 6.90e-05 0s 8 1.06196880e+06 1.06196842e+06 5.93e-12 9.25e-13 1.37e-05 0s Barrier solved model in 8 iterations and 0.35 seconds Optimal objective 1.06196880e+06