Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:58:12 2013 Optimize a model with 18800 rows, 28202 columns and 37600 nonzeros Model has 9400 quadratic constraints Presolve time: 0.02s Presolved: 18800 rows, 28202 columns, 37600 nonzeros Presolved model has 9400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.820e+04 Factor NZ : 6.580e+04 (roughly 20 MBytes of memory) Factor Ops : 2.350e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.15286058e+06 0.00000000e+00 2.27e-13 4.94e-01 2.99e+02 0s 1 1.62623440e+06 3.22649498e+05 1.12e-07 4.87e-05 4.62e+01 0s 2 1.21297296e+06 9.57876552e+05 5.77e-08 3.36e-06 9.05e+00 0s 3 1.11826398e+06 1.06430393e+06 1.17e-08 4.06e-07 1.91e+00 0s 4 1.08438474e+06 1.08089467e+06 8.98e-10 4.66e-13 1.24e-01 0s 5 1.08136735e+06 1.08111534e+06 6.21e-11 1.09e-12 8.94e-03 0s 6 1.08118035e+06 1.08114182e+06 9.98e-12 5.05e-13 1.37e-03 0s 7 1.08115604e+06 1.08114358e+06 3.35e-12 2.84e-13 4.42e-04 0s 8 1.08115099e+06 1.08114410e+06 2.07e-12 4.31e-13 2.44e-04 0s 9 1.08114808e+06 1.08114446e+06 1.33e-12 3.06e-13 1.28e-04 0s 10 1.08114754e+06 1.08114451e+06 1.68e-12 4.85e-13 1.08e-04 0s 11 1.08114707e+06 1.08114460e+06 1.36e-12 3.63e-13 8.77e-05 0s 12 1.08114633e+06 1.08114476e+06 8.10e-13 1.55e-11 5.55e-05 1s 13 1.08114616e+06 1.08114478e+06 7.89e-13 1.49e-11 4.90e-05 1s 14 1.08114600e+06 1.08114490e+06 6.68e-13 1.05e-11 3.90e-05 1s 15 1.08114571e+06 1.08114502e+06 4.05e-13 6.66e-12 2.43e-05 1s Barrier solved model in 15 iterations and 0.63 seconds Optimal objective 1.08114571e+06