Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:49 2013 Optimize a model with 8800 rows, 13202 columns and 17600 nonzeros Model has 4400 quadratic constraints Presolve time: 0.01s Presolved: 8800 rows, 13202 columns, 17600 nonzeros Presolved model has 4400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.320e+04 Factor NZ : 3.080e+04 (roughly 10 MBytes of memory) Factor Ops : 1.100e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.82200738e+06 0.00000000e+00 5.68e-14 4.90e-01 2.99e+02 0s 1 7.65646900e+05 1.52407199e+05 8.09e-08 4.94e-05 4.65e+01 0s 2 5.70308564e+05 4.48988160e+05 3.24e-08 3.93e-06 9.19e+00 0s 3 5.21789571e+05 5.00154275e+05 8.05e-09 5.51e-07 1.64e+00 0s 4 5.09755973e+05 5.06897041e+05 7.30e-10 8.28e-08 2.17e-01 0s 5 5.08248175e+05 5.08209556e+05 1.44e-11 1.08e-11 2.93e-03 0s 6 5.08221832e+05 5.08214533e+05 2.96e-12 3.90e-13 5.53e-04 0s 7 5.08216847e+05 5.08215097e+05 8.10e-13 1.60e-13 1.33e-04 0s 8 5.08216007e+05 5.08215280e+05 5.47e-13 4.95e-12 5.51e-05 0s 9 5.08215737e+05 5.08215341e+05 5.76e-13 1.99e-12 3.01e-05 0s Barrier solved model in 9 iterations and 0.18 seconds Optimal objective 5.08215737e+05