Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:59:55 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 8.66530761e+06 0.00000000e+00 3.41e-13 4.92e-01 2.98e+02 0s 1 1.72935962e+06 3.46657346e+05 8.08e-08 4.86e-05 4.61e+01 0s 2 1.29898336e+06 1.02939550e+06 4.48e-08 3.64e-06 8.99e+00 0s 3 1.19252879e+06 1.13626056e+06 1.07e-08 4.92e-07 1.88e+00 0s 4 1.16666091e+06 1.15333217e+06 2.59e-09 1.08e-07 4.44e-01 0s 5 1.15902644e+06 1.15741863e+06 9.65e-11 1.78e-08 5.36e-02 0s 6 1.15860305e+06 1.15841174e+06 2.67e-11 3.02e-10 6.38e-03 0s 7 1.15844426e+06 1.15843192e+06 7.82e-11 2.35e-10 4.11e-04 0s 8 1.15843457e+06 1.15843252e+06 1.19e-11 4.92e-11 6.84e-05 0s 9 1.15843319e+06 1.15843275e+06 2.71e-12 3.74e-13 1.48e-05 0s Barrier solved model in 9 iterations and 0.42 seconds Optimal objective 1.15843319e+06