Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:48:51 2013 Optimize a model with 10400 rows, 15602 columns and 20800 nonzeros Model has 5200 quadratic constraints Presolve time: 0.01s Presolved: 10400 rows, 15602 columns, 20800 nonzeros Presolved model has 5200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.560e+04 Factor NZ : 3.640e+04 (roughly 10 MBytes of memory) Factor Ops : 1.300e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.50272421e+06 0.00000000e+00 9.95e-14 4.88e-01 2.98e+02 0s 1 8.99193823e+05 1.79160120e+05 3.78e-08 4.91e-05 4.62e+01 0s 2 6.71301292e+05 5.29389104e+05 5.79e-08 3.85e-06 9.10e+00 0s 3 6.15976365e+05 5.89522772e+05 9.35e-09 4.99e-07 1.70e+00 0s 4 5.98566030e+05 5.96728406e+05 7.54e-10 7.54e-08 1.18e-01 0s 5 5.98185996e+05 5.98152945e+05 4.87e-11 3.40e-10 2.12e-03 0s 6 5.98163338e+05 5.98159808e+05 1.60e-10 1.74e-09 2.26e-04 0s 7 5.98160810e+05 5.98159986e+05 3.67e-11 1.98e-10 5.28e-05 0s 8 5.98160434e+05 5.98160040e+05 1.84e-11 3.80e-13 2.52e-05 0s Barrier solved model in 8 iterations and 0.19 seconds Optimal objective 5.98160434e+05