Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:21 2013 Optimize a model with 2800 rows, 4202 columns and 5600 nonzeros Model has 1400 quadratic constraints Presolve time: 0.00s Presolved: 2800 rows, 4202 columns, 5600 nonzeros Presolved model has 1400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 4.200e+03 Factor NZ : 9.803e+03 (roughly 3 MBytes of memory) Factor Ops : 3.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.20210067e+06 0.00000000e+00 2.84e-14 4.90e-01 2.96e+02 0s 1 2.39620279e+05 4.73724450e+04 9.95e-09 4.97e-05 4.58e+01 0s 2 1.78633170e+05 1.40021557e+05 3.76e-08 6.59e-06 9.19e+00 0s 3 1.62574249e+05 1.55740528e+05 1.34e-08 9.75e-07 1.63e+00 0s 4 1.58865251e+05 1.57998132e+05 2.06e-10 2.26e-07 2.06e-01 0s 5 1.58721099e+05 1.58690191e+05 4.44e-10 5.55e-10 7.36e-03 0s 6 1.58715038e+05 1.58710466e+05 2.57e-10 3.62e-10 1.09e-03 0s 7 1.58711421e+05 1.58710708e+05 4.71e-10 1.08e-10 1.70e-04 0s 8 1.58711064e+05 1.58710723e+05 2.23e-10 1.87e-11 8.12e-05 0s 9 1.58710911e+05 1.58710730e+05 1.18e-10 4.49e-12 4.31e-05 0s 10 1.58710865e+05 1.58710731e+05 8.63e-11 3.89e-12 3.19e-05 0s Barrier solved model in 10 iterations and 0.06 seconds Optimal objective 1.58710865e+05