Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:41 2013 Optimize a model with 6800 rows, 10202 columns and 13600 nonzeros Model has 3400 quadratic constraints Presolve time: 0.01s Presolved: 6800 rows, 10202 columns, 13600 nonzeros Presolved model has 3400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.020e+04 Factor NZ : 2.380e+04 (roughly 7 MBytes of memory) Factor Ops : 8.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.92782682e+06 0.00000000e+00 5.68e-14 4.96e-01 2.97e+02 0s 1 5.83000071e+05 1.17028375e+05 1.42e-08 4.89e-05 4.57e+01 0s 2 4.37140194e+05 3.45625096e+05 4.44e-08 6.24e-06 8.97e+00 0s 3 4.01454513e+05 3.83900829e+05 6.38e-09 9.46e-07 1.72e+00 0s 4 3.90362060e+05 3.88832956e+05 1.25e-09 1.80e-07 1.50e-01 0s 5 3.90066227e+05 3.89976370e+05 4.25e-10 1.24e-08 8.81e-03 0s 6 3.89990168e+05 3.89984438e+05 1.90e-11 1.22e-09 5.62e-04 0s 7 3.89987416e+05 3.89985377e+05 7.71e-12 1.10e-10 2.00e-04 0s 8 3.89986212e+05 3.89985447e+05 2.69e-12 6.08e-11 7.51e-05 0s 9 3.89985724e+05 3.89985502e+05 7.35e-13 2.75e-11 2.18e-05 0s Barrier solved model in 9 iterations and 0.14 seconds Optimal objective 3.89985724e+05