Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:59:53 2013 Optimize a model with 20000 rows, 30002 columns and 40000 nonzeros Model has 10000 quadratic constraints Presolve time: 0.02s Presolved: 20000 rows, 30002 columns, 40000 nonzeros Presolved model has 10000 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.000e+04 Factor NZ : 7.000e+04 (roughly 20 MBytes of memory) Factor Ops : 2.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.67080217e+06 0.00000000e+00 2.84e-13 4.94e-01 2.99e+02 0s 1 1.72518909e+06 3.45818699e+05 1.14e-07 4.90e-05 4.60e+01 0s 2 1.29668733e+06 1.02884517e+06 1.63e-08 3.00e-06 8.93e+00 0s 3 1.19406406e+06 1.13975261e+06 3.64e-09 3.60e-07 1.81e+00 0s 4 1.16198340e+06 1.15375660e+06 4.09e-10 6.90e-08 2.74e-01 0s 5 1.15738837e+06 1.15618724e+06 1.68e-12 2.13e-08 4.00e-02 0s 6 1.15734100e+06 1.15731766e+06 4.55e-13 1.16e-10 7.78e-04 0s 7 1.15732525e+06 1.15732348e+06 9.95e-14 8.92e-12 5.90e-05 0s 8 1.15732447e+06 1.15732396e+06 1.35e-13 7.03e-13 1.73e-05 0s Barrier solved model in 8 iterations and 0.38 seconds Optimal objective 1.15732447e+06