Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:01 2013 Optimize a model with 900 rows, 1352 columns and 1800 nonzeros Model has 450 quadratic constraints Presolve time: 0.00s Presolved: 900 rows, 1352 columns, 1800 nonzeros Presolved model has 450 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.350e+03 Factor NZ : 3.153e+03 Factor Ops : 1.126e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.66647165e+05 0.00000000e+00 2.84e-14 4.59e-01 2.81e+02 0s 1 7.70624407e+04 1.57576825e+04 8.98e-09 5.20e-05 4.54e+01 0s 2 5.66445888e+04 4.41429319e+04 3.62e-09 7.47e-06 9.26e+00 0s 3 5.11253673e+04 4.95053258e+04 7.52e-09 2.01e-06 1.20e+00 0s 4 5.03731684e+04 5.02577265e+04 1.73e-10 2.19e-07 8.55e-02 0s 5 5.03467552e+04 5.03153174e+04 3.14e-12 7.45e-08 2.33e-02 0s 6 5.03457988e+04 5.03300720e+04 1.36e-12 3.71e-08 1.16e-02 0s 7 5.03450453e+04 5.03342472e+04 4.12e-13 2.64e-08 8.00e-03 0s 8 5.03448383e+04 5.03370675e+04 2.13e-13 1.91e-08 5.76e-03 0s 9 5.03444717e+04 5.03432918e+04 2.84e-14 2.82e-09 8.74e-04 0s 10 5.03444443e+04 5.03437770e+04 2.84e-14 1.33e-09 4.94e-04 0s 11 5.03443485e+04 5.03438168e+04 1.42e-14 1.21e-09 3.94e-04 0s 12 5.03442899e+04 5.03439997e+04 1.42e-14 6.00e-10 2.15e-04 0s 13 5.03442396e+04 5.03440914e+04 1.42e-14 2.63e-10 1.10e-04 0s 14 5.03442214e+04 5.03441044e+04 2.84e-14 2.12e-10 8.67e-05 0s 15 5.03442001e+04 5.03441154e+04 5.68e-14 1.66e-10 6.27e-05 0s 16 5.03441910e+04 5.03441249e+04 1.28e-13 1.24e-10 4.90e-05 0s 17 5.03441859e+04 5.03441277e+04 1.14e-13 1.13e-10 4.31e-05 0s 18 5.03441840e+04 5.03441282e+04 9.24e-14 1.11e-10 4.13e-05 0s 19 5.03441756e+04 5.03441329e+04 5.68e-14 9.18e-11 3.16e-05 0s Barrier solved model in 19 iterations and 0.05 seconds Optimal objective 5.03441756e+04