Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:38:53 2013 Optimize a model with 186000 rows, 279002 columns and 372000 nonzeros Model has 93000 quadratic constraints Presolve time: 0.22s Presolved: 186000 rows, 279002 columns, 372000 nonzeros Presolved model has 93000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.790e+05 Factor NZ : 6.510e+05 (roughly 200 MBytes of memory) Factor Ops : 2.325e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.79794300e+07 0.00000000e+00 2.58e-11 4.98e-01 2.89e+02 1s 1 1.59721218e+07 3.33001120e+06 1.20e-06 4.49e-05 4.53e+01 1s 2 1.20308577e+07 9.61246938e+06 1.73e-07 2.66e-06 8.67e+00 1s 3 1.10931287e+07 1.06048180e+07 3.81e-08 3.21e-07 1.75e+00 2s 4 1.07764322e+07 1.07508753e+07 8.17e-10 1.95e-08 9.16e-02 2s 5 1.07648388e+07 1.07623868e+07 1.40e-10 1.04e-10 8.79e-03 3s 6 1.07626184e+07 1.07624420e+07 8.29e-12 1.06e-11 6.32e-04 3s 7 1.07624937e+07 1.07624687e+07 1.31e-12 7.62e-12 8.95e-05 3s 8 1.07624766e+07 1.07624706e+07 7.67e-13 1.11e-11 2.15e-05 4s Barrier solved model in 8 iterations and 3.77 seconds Optimal objective 1.07624766e+07