Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:46 2013 Optimize a model with 420 rows, 632 columns and 840 nonzeros Model has 210 quadratic constraints Presolve time: 0.00s Presolved: 420 rows, 632 columns, 840 nonzeros Presolved model has 210 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 6.300e+02 Factor NZ : 1.473e+03 Factor Ops : 5.255e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.80162883e+05 0.00000000e+00 2.84e-14 5.61e-01 2.94e+02 0s 1 3.65352129e+04 8.57374372e+03 4.65e-09 4.82e-05 4.44e+01 0s 2 2.93703974e+04 2.39860637e+04 9.39e-09 8.76e-06 8.55e+00 0s 3 2.68176163e+04 2.62382862e+04 1.99e-09 1.55e-06 9.20e-01 0s 4 2.65307425e+04 2.64885142e+04 9.35e-11 1.55e-07 6.70e-02 0s 5 2.65167734e+04 2.65053824e+04 2.10e-11 4.64e-08 1.81e-02 0s 6 2.65128358e+04 2.65115635e+04 3.41e-13 7.34e-09 2.02e-03 0s 7 2.65127213e+04 2.65124387e+04 3.85e-10 7.26e-09 4.49e-04 0s 8 2.65126999e+04 2.65126611e+04 3.63e-09 8.18e-09 6.16e-05 0s 9 2.65126964e+04 2.65126805e+04 2.14e-09 2.89e-09 2.51e-05 0s Barrier solved model in 9 iterations and 0.01 seconds Optimal objective 2.65126964e+04