Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:49:12 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: 0.03s 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 6.66509697e+07 0.00000000e+00 1.87e-11 5.00e-01 2.91e+02 0s 1 1.36242370e+07 2.81559712e+06 7.78e-07 4.56e-05 4.56e+01 1s 2 1.02316775e+07 8.15562687e+06 1.12e-07 2.72e-06 8.76e+00 1s 3 9.42638218e+06 9.01047678e+06 2.45e-08 3.27e-07 1.75e+00 2s 4 9.16786290e+06 9.13773051e+06 1.45e-09 1.44e-08 1.27e-01 2s 5 9.14606779e+06 9.14537843e+06 3.20e-11 2.22e-12 2.91e-03 2s 6 9.14556316e+06 9.14547821e+06 4.29e-12 1.57e-12 3.58e-04 3s 7 9.14550302e+06 9.14548597e+06 1.02e-12 3.08e-12 7.19e-05 3s 8 9.14549405e+06 9.14548748e+06 7.96e-13 3.51e-12 2.77e-05 3s Barrier solved model in 8 iterations and 3.26 seconds Optimal objective 9.14549405e+06