Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:50:43 2013 Optimize a model with 112000 rows, 168002 columns and 224000 nonzeros Model has 56000 quadratic constraints Presolve time: 0.13s Presolved: 112000 rows, 168002 columns, 224000 nonzeros Presolved model has 56000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.680e+05 Factor NZ : 3.920e+05 (roughly 120 MBytes of memory) Factor Ops : 1.400e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.76075365e+07 0.00000000e+00 5.88e-12 4.97e-01 2.93e+02 0s 1 9.65649656e+06 1.96067790e+06 1.75e-06 4.67e-05 4.58e+01 0s 2 7.22988900e+06 5.73198980e+06 2.55e-07 2.87e-06 8.92e+00 1s 3 6.65013593e+06 6.35058232e+06 4.05e-08 4.25e-07 1.78e+00 1s 4 6.47672797e+06 6.42878217e+06 4.83e-09 8.36e-08 2.85e-01 1s 5 6.45212246e+06 6.44577784e+06 4.12e-10 1.43e-08 3.78e-02 2s 6 6.44982002e+06 6.44955255e+06 4.12e-11 3.07e-11 1.59e-03 2s 7 6.44959350e+06 6.44956116e+06 4.80e-12 8.36e-12 1.93e-04 2s 8 6.44957022e+06 6.44956278e+06 1.19e-12 4.68e-12 4.43e-05 2s 9 6.44956595e+06 6.44956299e+06 9.02e-13 1.74e-13 1.76e-05 2s Barrier solved model in 9 iterations and 2.50 seconds Optimal objective 6.44956595e+06