Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:49 2013 Optimize a model with 540 rows, 812 columns and 1080 nonzeros Model has 270 quadratic constraints Presolve time: 0.00s Presolved: 540 rows, 812 columns, 1080 nonzeros Presolved model has 270 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 8.100e+02 Factor NZ : 1.893e+03 Factor Ops : 6.755e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.27572185e+05 0.00000000e+00 2.84e-14 4.53e-01 2.91e+02 0s 1 4.27894346e+04 9.13911300e+03 5.62e-09 4.95e-05 4.15e+01 0s 2 3.50781249e+04 2.72931932e+04 1.31e-08 9.61e-06 9.61e+00 0s 3 3.10776973e+04 3.00543900e+04 2.90e-09 1.19e-06 1.26e+00 0s 4 3.02563791e+04 3.02176164e+04 5.67e-10 1.08e-07 4.79e-02 0s 5 3.02432271e+04 3.02392521e+04 6.60e-11 9.50e-09 4.91e-03 0s 6 3.02419217e+04 3.02401123e+04 1.74e-11 5.75e-09 2.23e-03 0s 7 3.02417897e+04 3.02411752e+04 1.22e-11 1.16e-09 7.59e-04 0s 8 3.02415210e+04 3.02413707e+04 2.61e-12 3.22e-10 1.85e-04 0s 9 3.02414695e+04 3.02414005e+04 2.06e-09 1.74e-10 8.52e-05 0s 10 3.02414582e+04 3.02414386e+04 1.04e-09 2.35e-11 2.42e-05 0s Barrier solved model in 10 iterations and 0.02 seconds Optimal objective 3.02414582e+04