Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:38 2013 Optimize a model with 6600 rows, 9902 columns and 13200 nonzeros Model has 3300 quadratic constraints Presolve time: 0.01s Presolved: 6600 rows, 9902 columns, 13200 nonzeros Presolved model has 3300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.900e+03 Factor NZ : 2.310e+04 (roughly 7 MBytes of memory) Factor Ops : 8.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.88488128e+06 0.00000000e+00 4.26e-14 5.07e-01 3.01e+02 0s 1 5.72367757e+05 1.16451461e+05 5.85e-08 4.91e-05 4.61e+01 0s 2 4.55623340e+05 3.45876763e+05 5.39e-08 3.61e-06 1.11e+01 0s 3 3.98840107e+05 3.83903377e+05 1.25e-08 3.68e-07 1.51e+00 0s 4 3.87983500e+05 3.87505500e+05 1.00e-09 2.23e-08 4.83e-02 0s 5 3.87807438e+05 3.87793681e+05 6.49e-11 8.91e-11 1.39e-03 0s 6 3.87798693e+05 3.87795532e+05 3.05e-10 2.34e-09 3.19e-04 0s 7 3.87796251e+05 3.87795621e+05 5.34e-11 7.94e-10 6.36e-05 0s 8 3.87795927e+05 3.87795690e+05 2.06e-11 9.25e-11 2.39e-05 0s Barrier solved model in 8 iterations and 0.12 seconds Optimal objective 3.87795927e+05