Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:56 2013 Optimize a model with 760 rows, 1142 columns and 1520 nonzeros Model has 380 quadratic constraints Presolve time: 0.00s Presolved: 760 rows, 1142 columns, 1520 nonzeros Presolved model has 380 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.140e+03 Factor NZ : 2.663e+03 Factor Ops : 9.505e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.21185574e+05 0.00000000e+00 2.84e-14 4.95e-01 2.90e+02 0s 1 6.45160847e+04 1.31856317e+04 1.53e-08 5.08e-05 4.50e+01 0s 2 5.04766318e+04 3.81432815e+04 1.43e-08 6.56e-06 1.08e+01 0s 3 4.41453306e+04 4.28049185e+04 3.98e-09 1.27e-06 1.18e+00 0s 4 4.32119337e+04 4.31432846e+04 2.60e-09 3.22e-07 6.02e-02 0s 5 4.32035892e+04 4.32000261e+04 6.21e-10 1.37e-08 3.13e-03 0s 6 4.32007852e+04 4.32001847e+04 1.02e-10 1.89e-09 5.27e-04 0s 7 4.32003054e+04 4.32002158e+04 1.27e-11 6.45e-10 7.86e-05 0s 8 4.32002636e+04 4.32002323e+04 4.88e-12 8.34e-11 2.75e-05 0s Barrier solved model in 8 iterations and 0.02 seconds Optimal objective 4.32002636e+04