Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:54:52 2013 Optimize a model with 160000 rows, 240002 columns and 320000 nonzeros Model has 80000 quadratic constraints Presolve time: 0.19s Presolved: 160000 rows, 240002 columns, 320000 nonzeros Presolved model has 80000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.400e+05 Factor NZ : 5.600e+05 (roughly 170 MBytes of memory) Factor Ops : 2.000e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.75589005e+07 0.00000000e+00 1.79e-11 5.01e-01 2.91e+02 0s 1 1.37912776e+07 2.84820906e+06 2.95e-07 4.54e-05 4.56e+01 1s 2 1.03587304e+07 8.26027300e+06 4.24e-08 2.69e-06 8.74e+00 1s 3 9.52855491e+06 9.12469499e+06 9.36e-09 3.24e-07 1.68e+00 2s 4 9.29048816e+06 9.22927996e+06 8.54e-10 7.22e-08 2.55e-01 2s 5 9.26375076e+06 9.26111803e+06 7.26e-11 1.96e-11 1.10e-02 2s 6 9.26142660e+06 9.26120876e+06 6.15e-12 2.30e-12 9.08e-04 3s 7 9.26128109e+06 9.26121956e+06 1.87e-12 1.16e-11 2.56e-04 3s 8 9.26123571e+06 9.26122293e+06 4.69e-13 2.25e-12 5.32e-05 3s 9 9.26122816e+06 9.26122410e+06 5.33e-13 7.10e-12 1.69e-05 4s Barrier solved model in 9 iterations and 3.67 seconds Optimal objective 9.26122816e+06