Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:06 2013 Optimize a model with 7600 rows, 11402 columns and 15200 nonzeros Model has 3800 quadratic constraints Presolve time: 0.01s Presolved: 7600 rows, 11402 columns, 15200 nonzeros Presolved model has 3800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.140e+04 Factor NZ : 2.660e+04 (roughly 8 MBytes of memory) Factor Ops : 9.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.30876001e+06 0.00000000e+00 4.26e-14 4.98e-01 3.00e+02 0s 1 6.60753911e+05 1.30087494e+05 2.73e-08 4.96e-05 4.65e+01 0s 2 4.90261113e+05 3.87288445e+05 5.58e-08 3.61e-06 9.03e+00 0s 3 4.48604870e+05 4.30629288e+05 1.18e-08 3.93e-07 1.58e+00 0s 4 4.37997823e+05 4.36277185e+05 8.53e-14 8.23e-08 1.51e-01 0s 5 4.37793510e+05 4.37760019e+05 2.84e-14 1.31e-09 2.94e-03 0s 6 4.37784709e+05 4.37780650e+05 2.84e-14 1.51e-10 3.56e-04 0s 7 4.37783486e+05 4.37781615e+05 2.84e-14 9.35e-11 1.64e-04 0s 8 4.37783231e+05 4.37782188e+05 2.84e-14 5.84e-11 9.14e-05 0s 9 4.37783167e+05 4.37782827e+05 4.26e-14 1.91e-11 2.98e-05 0s Barrier solved model in 9 iterations and 0.16 seconds Optimal objective 4.37783167e+05