Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:50:27 2013 Optimize a model with 158000 rows, 237002 columns and 316000 nonzeros Model has 79000 quadratic constraints Presolve time: 0.19s Presolved: 158000 rows, 237002 columns, 316000 nonzeros Presolved model has 79000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.370e+05 Factor NZ : 5.530e+05 (roughly 160 MBytes of memory) Factor Ops : 1.975e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.65788149e+07 0.00000000e+00 1.46e-11 4.97e-01 2.90e+02 0s 1 1.35911237e+07 2.81145440e+06 8.99e-07 4.55e-05 4.55e+01 1s 2 1.02181247e+07 8.14423891e+06 1.30e-07 2.73e-06 8.75e+00 1s 3 9.41573857e+06 8.99646800e+06 2.86e-08 3.32e-07 1.77e+00 2s 4 9.15480599e+06 9.12524092e+06 1.62e-09 1.41e-08 1.25e-01 2s 5 9.13507802e+06 9.13281006e+06 1.56e-10 2.86e-12 9.57e-03 2s 6 9.13311842e+06 9.13286715e+06 1.51e-11 5.61e-12 1.06e-03 3s 7 9.13302682e+06 9.13290728e+06 8.46e-12 7.91e-12 5.04e-04 3s 8 9.13293567e+06 9.13290888e+06 2.07e-12 4.98e-12 1.13e-04 3s 9 9.13292039e+06 9.13291127e+06 7.96e-13 5.14e-12 3.85e-05 4s Barrier solved model in 9 iterations and 3.65 seconds Optimal objective 9.13292039e+06