Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:22:28 2013 Optimize a model with 138000 rows, 207002 columns and 276000 nonzeros Model has 69000 quadratic constraints Presolve time: 0.16s Presolved: 138000 rows, 207002 columns, 276000 nonzeros Presolved model has 69000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.070e+05 Factor NZ : 4.830e+05 (roughly 140 MBytes of memory) Factor Ops : 1.725e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.85891651e+07 0.00000000e+00 7.84e-12 5.02e-01 2.92e+02 0s 1 1.18976019e+07 2.45819322e+06 1.18e-06 4.58e-05 4.56e+01 1s 2 8.96545018e+06 7.15695382e+06 1.70e-07 2.72e-06 8.74e+00 1s 3 8.25089763e+06 7.89798702e+06 3.80e-08 3.33e-07 1.70e+00 1s 4 8.06097444e+06 7.98764251e+06 6.61e-09 8.11e-08 3.54e-01 2s 5 8.01959421e+06 7.99844029e+06 1.98e-10 5.13e-08 1.02e-01 2s 6 8.01829306e+06 8.01695847e+06 6.34e-11 1.90e-09 6.45e-03 2s 7 8.01771696e+06 8.01762349e+06 3.64e-12 1.51e-10 4.52e-04 3s 8 8.01769106e+06 8.01767537e+06 1.17e-12 8.58e-12 7.58e-05 3s 9 8.01768494e+06 8.01767708e+06 6.75e-13 9.18e-12 3.80e-05 3s Barrier solved model in 9 iterations and 3.12 seconds Optimal objective 8.01768494e+06