Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:39 2013 Optimize a model with 12400 rows, 18602 columns and 24800 nonzeros Model has 6200 quadratic constraints Presolve time: 0.01s Presolved: 12400 rows, 18602 columns, 24800 nonzeros Presolved model has 6200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.860e+04 Factor NZ : 4.340e+04 (roughly 13 MBytes of memory) Factor Ops : 1.550e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.37190352e+06 0.00000000e+00 9.95e-14 4.89e-01 2.98e+02 0s 1 1.07190607e+06 2.14189031e+05 1.06e-08 4.91e-05 4.61e+01 0s 2 8.03807483e+05 6.36312529e+05 4.76e-08 3.68e-06 9.01e+00 0s 3 7.36897556e+05 7.04768514e+05 1.51e-08 5.62e-07 1.73e+00 0s 4 7.19660124e+05 7.13323507e+05 1.96e-09 1.47e-07 3.41e-01 0s 5 7.16718863e+05 7.15933952e+05 5.19e-11 2.85e-08 4.22e-02 0s 6 7.16624576e+05 7.16597203e+05 9.22e-11 2.94e-09 1.47e-03 0s 7 7.16605895e+05 7.16601039e+05 1.80e-11 1.01e-10 2.61e-04 0s 8 7.16603381e+05 7.16601186e+05 8.24e-12 2.90e-11 1.18e-04 0s 9 7.16601884e+05 7.16601226e+05 2.33e-12 1.08e-11 3.53e-05 0s Barrier solved model in 9 iterations and 0.25 seconds Optimal objective 7.16601884e+05