Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:25 2013 Optimize a model with 12200 rows, 18302 columns and 24400 nonzeros Model has 6100 quadratic constraints Presolve time: 0.01s Presolved: 12200 rows, 18302 columns, 24400 nonzeros Presolved model has 6100 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.830e+04 Factor NZ : 4.270e+04 (roughly 13 MBytes of memory) Factor Ops : 1.525e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.30771862e+06 0.00000000e+00 8.53e-14 4.94e-01 2.99e+02 0s 1 1.06376470e+06 2.11720639e+05 1.39e-07 4.95e-05 4.66e+01 0s 2 7.92537239e+05 6.23625792e+05 5.58e-08 3.93e-06 9.23e+00 0s 3 7.26966599e+05 6.94347118e+05 7.99e-09 5.71e-07 1.78e+00 0s 4 7.08154949e+05 7.02307771e+05 7.05e-10 1.68e-07 3.20e-01 0s 5 7.06599389e+05 7.05238829e+05 2.20e-10 2.89e-08 7.43e-02 0s 6 7.06145106e+05 7.05868086e+05 8.16e-11 1.48e-10 1.51e-02 0s 7 7.05885657e+05 7.05872347e+05 4.01e-12 7.20e-13 7.27e-04 0s 8 7.05877695e+05 7.05872755e+05 1.57e-12 1.68e-13 2.70e-04 0s 9 7.05875975e+05 7.05872864e+05 1.52e-12 3.56e-13 1.70e-04 0s 10 7.05874828e+05 7.05872886e+05 1.37e-12 2.82e-13 1.06e-04 0s 11 7.05874084e+05 7.05872954e+05 8.31e-13 9.07e-12 6.17e-05 0s 12 7.05873686e+05 7.05873052e+05 5.26e-13 2.65e-11 3.46e-05 0s Barrier solved model in 12 iterations and 0.33 seconds Optimal objective 7.05873686e+05