Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:44 2013 Optimize a model with 1620 rows, 2432 columns and 3240 nonzeros Model has 810 quadratic constraints Presolve time: 0.00s Presolved: 1620 rows, 2432 columns, 3240 nonzeros Presolved model has 810 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.430e+03 Factor NZ : 5.673e+03 (roughly 2 MBytes of memory) Factor Ops : 2.026e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.11163802e+05 0.00000000e+00 2.84e-14 5.09e-01 3.02e+02 0s 1 1.38170023e+05 2.79142517e+04 3.73e-08 4.84e-05 4.54e+01 0s 2 1.09399153e+05 8.36457151e+04 7.70e-08 7.62e-06 1.06e+01 0s 3 9.59707914e+04 9.37532521e+04 1.40e-08 1.19e-06 9.13e-01 0s 4 9.39831657e+04 9.39110949e+04 3.87e-10 2.69e-08 2.97e-02 0s 5 9.39295484e+04 9.39182228e+04 5.33e-11 6.36e-09 4.66e-03 0s 6 9.39219831e+04 9.39196716e+04 1.95e-09 3.08e-09 9.51e-04 0s 7 9.39212145e+04 9.39203342e+04 3.36e-09 3.62e-09 3.62e-04 0s 8 9.39209873e+04 9.39207990e+04 1.33e-09 1.57e-10 7.75e-05 0s 9 9.39208908e+04 9.39208166e+04 5.24e-10 6.29e-11 3.05e-05 0s Barrier solved model in 9 iterations and 0.04 seconds Optimal objective 9.39208908e+04