Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:51 2013 Optimize a model with 620 rows, 932 columns and 1240 nonzeros Model has 310 quadratic constraints Presolve time: 0.00s Presolved: 620 rows, 932 columns, 1240 nonzeros Presolved model has 310 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.300e+02 Factor NZ : 2.173e+03 Factor Ops : 7.755e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.59933292e+05 0.00000000e+00 2.84e-14 5.26e-01 2.88e+02 0s 1 5.28720066e+04 1.19598016e+04 1.62e-09 4.82e-05 4.40e+01 0s 2 4.18053710e+04 3.38233459e+04 9.79e-09 6.51e-06 8.58e+00 0s 3 3.81506176e+04 3.71594586e+04 2.88e-09 1.41e-06 1.07e+00 0s 4 3.76146041e+04 3.75706748e+04 5.10e-11 8.97e-08 4.72e-02 0s 5 3.75977182e+04 3.75949829e+04 4.26e-13 7.69e-09 2.94e-03 0s 6 3.75969731e+04 3.75960383e+04 9.24e-14 2.96e-09 1.01e-03 0s 7 3.75968689e+04 3.75961101e+04 7.82e-14 2.61e-09 8.16e-04 0s 8 3.75968512e+04 3.75961298e+04 7.82e-14 2.52e-09 7.76e-04 0s 9 3.75967701e+04 3.75964044e+04 4.26e-14 1.21e-09 3.93e-04 0s 10 3.75967319e+04 3.75964268e+04 3.34e-13 1.10e-09 3.28e-04 0s 11 3.75967078e+04 3.75964411e+04 2.34e-13 1.03e-09 2.87e-04 0s 12 3.75966988e+04 3.75964769e+04 1.99e-13 8.55e-10 2.39e-04 0s 13 3.75966694e+04 3.75965470e+04 8.53e-14 4.94e-10 1.32e-04 0s 14 3.75966606e+04 3.75965729e+04 3.84e-13 3.45e-10 9.43e-05 0s 15 3.75966578e+04 3.75965980e+04 3.98e-13 1.92e-10 6.42e-05 0s 16 3.75966510e+04 3.75966030e+04 3.13e-13 1.62e-10 5.17e-05 0s 17 3.75966483e+04 3.75966103e+04 2.77e-13 1.13e-10 4.08e-05 0s 18 3.75966468e+04 3.75966160e+04 2.20e-13 7.54e-11 3.31e-05 0s Barrier solved model in 18 iterations and 0.03 seconds Optimal objective 3.75966468e+04