Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:31:36 2013 Optimize a model with 90000 rows, 135002 columns and 180000 nonzeros Model has 45000 quadratic constraints Presolve time: 0.10s Presolved: 90000 rows, 135002 columns, 180000 nonzeros Presolved model has 45000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.350e+05 Factor NZ : 3.150e+05 (roughly 100 MBytes of memory) Factor Ops : 1.125e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.86093834e+07 0.00000000e+00 6.44e-12 5.02e-01 2.95e+02 0s 1 7.79617959e+06 1.58654380e+06 4.73e-07 4.72e-05 4.60e+01 0s 2 5.85114134e+06 4.64234211e+06 6.90e-08 2.94e-06 8.95e+00 1s 3 5.38811065e+06 5.14108916e+06 1.54e-08 3.61e-07 1.83e+00 1s 4 5.25234053e+06 5.20316320e+06 2.45e-09 7.91e-08 3.64e-01 1s 5 5.22297707e+06 5.21834388e+06 3.52e-11 1.49e-08 3.43e-02 1s 6 5.22242109e+06 5.22219642e+06 9.10e-12 1.19e-10 1.66e-03 1s 7 5.22234126e+06 5.22222589e+06 5.41e-12 1.45e-11 8.55e-04 2s 8 5.22223962e+06 5.22222829e+06 6.61e-13 1.45e-11 8.39e-05 2s 9 5.22223218e+06 5.22222861e+06 5.97e-13 8.51e-12 2.65e-05 2s Barrier solved model in 9 iterations and 2.00 seconds Optimal objective 5.22223218e+06