Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:48:08 2013 Optimize a model with 9400 rows, 14102 columns and 18800 nonzeros Model has 4700 quadratic constraints Presolve time: 0.01s Presolved: 9400 rows, 14102 columns, 18800 nonzeros Presolved model has 4700 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.410e+04 Factor NZ : 3.290e+04 (roughly 10 MBytes of memory) Factor Ops : 1.175e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.10103485e+06 0.00000000e+00 8.53e-14 5.08e-01 3.00e+02 0s 1 8.13253831e+05 1.63531649e+05 4.10e-08 4.88e-05 4.61e+01 0s 2 6.12454207e+05 4.84440535e+05 2.10e-08 3.54e-06 9.08e+00 0s 3 5.65094782e+05 5.37966672e+05 4.40e-09 4.61e-07 1.92e+00 0s 4 5.46430753e+05 5.45967368e+05 5.68e-14 7.12e-13 3.29e-02 0s 5 5.46079233e+05 5.46056465e+05 2.84e-14 2.58e-13 1.61e-03 0s 6 5.46060229e+05 5.46057187e+05 1.54e-10 3.68e-10 2.16e-04 0s 7 5.46058046e+05 5.46057359e+05 3.57e-11 1.24e-11 4.87e-05 0s 8 5.46057577e+05 5.46057418e+05 8.30e-12 9.44e-13 1.13e-05 0s Barrier solved model in 8 iterations and 0.18 seconds Optimal objective 5.46057577e+05