Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:53:09 2013 Optimize a model with 114000 rows, 171002 columns and 228000 nonzeros Model has 57000 quadratic constraints Presolve time: 0.13s Presolved: 114000 rows, 171002 columns, 228000 nonzeros Presolved model has 57000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.710e+05 Factor NZ : 3.990e+05 (roughly 120 MBytes of memory) Factor Ops : 1.425e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.85746467e+07 0.00000000e+00 6.76e-12 4.99e-01 2.93e+02 0s 1 9.85651216e+06 2.01705022e+06 2.81e-06 4.66e-05 4.58e+01 0s 2 7.39226763e+06 5.87579599e+06 4.07e-07 2.84e-06 8.87e+00 1s 3 6.80795038e+06 6.50212151e+06 8.94e-08 3.43e-07 1.79e+00 1s 4 6.62375735e+06 6.59578130e+06 7.69e-09 1.66e-08 1.64e-01 1s 5 6.60240775e+06 6.60154585e+06 1.30e-10 6.58e-10 5.04e-03 2s 6 6.60197120e+06 6.60192788e+06 1.07e-11 7.67e-12 2.53e-04 2s 7 6.60194979e+06 6.60193261e+06 4.91e-12 6.58e-12 1.00e-04 2s 8 6.60193557e+06 6.60193287e+06 1.31e-12 1.62e-12 1.58e-05 2s Barrier solved model in 8 iterations and 2.26 seconds Optimal objective 6.60193557e+06