Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:02 2013 Optimize a model with 920 rows, 1382 columns and 1840 nonzeros Model has 460 quadratic constraints Presolve time: 0.00s Presolved: 920 rows, 1382 columns, 1840 nonzeros Presolved model has 460 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.380e+03 Factor NZ : 3.223e+03 Factor Ops : 1.150e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.75412899e+05 0.00000000e+00 2.84e-14 4.64e-01 2.83e+02 0s 1 7.63188621e+04 1.65415472e+04 4.29e-09 4.89e-05 4.33e+01 0s 2 5.85531845e+04 4.70497693e+04 1.41e-08 8.48e-06 8.34e+00 0s 3 5.34726311e+04 5.20488695e+04 2.17e-09 1.70e-06 1.03e+00 0s 4 5.27099912e+04 5.25896231e+04 9.07e-11 2.35e-07 8.72e-02 0s 5 5.26753588e+04 5.26340115e+04 1.08e-12 1.11e-07 3.00e-02 0s 6 5.26744430e+04 5.26613402e+04 4.83e-13 3.43e-08 9.49e-03 0s 7 5.26736156e+04 5.26688764e+04 2.84e-14 1.29e-08 3.43e-03 0s 8 5.26734264e+04 5.26724907e+04 2.84e-14 2.29e-09 6.78e-04 0s 9 5.26732915e+04 5.26730320e+04 3.03e-10 4.85e-10 1.88e-04 0s 10 5.26732337e+04 5.26731494e+04 1.40e-10 1.01e-10 6.11e-05 0s 11 5.26731909e+04 5.26731558e+04 2.71e-11 8.04e-11 2.54e-05 0s Barrier solved model in 11 iterations and 0.03 seconds Optimal objective 5.26731909e+04