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 3.08639316e+05 0.00000000e+00 2.84e-14 4.22e-01 2.80e+02 0s 1 6.21922979e+04 1.31181362e+04 6.93e-09 4.93e-05 4.30e+01 0s 2 4.73643074e+04 3.76440795e+04 1.55e-08 6.95e-06 8.53e+00 0s 3 4.30425725e+04 4.19027977e+04 1.47e-09 1.88e-06 1.00e+00 0s 4 4.24672134e+04 4.23716553e+04 3.46e-11 2.65e-07 8.38e-02 0s 5 4.24478260e+04 4.24249276e+04 2.47e-12 7.44e-08 2.01e-02 0s 6 4.24463731e+04 4.24421670e+04 8.81e-13 1.14e-08 3.69e-03 0s 7 4.24459516e+04 4.24429638e+04 5.83e-13 8.26e-09 2.62e-03 0s 8 4.24457011e+04 4.24443324e+04 2.84e-13 3.14e-09 1.20e-03 0s 9 4.24453023e+04 4.24443588e+04 7.11e-14 3.02e-09 8.28e-04 0s 10 4.24452858e+04 4.24448321e+04 6.39e-14 1.22e-09 3.98e-04 0s 11 4.24451481e+04 4.24449170e+04 2.84e-14 8.15e-10 2.03e-04 0s 12 4.24451369e+04 4.24449367e+04 7.11e-14 7.19e-10 1.76e-04 0s 13 4.24451291e+04 4.24449809e+04 2.13e-13 5.16e-10 1.30e-04 0s 14 4.24451031e+04 4.24450285e+04 4.97e-14 2.80e-10 6.54e-05 0s 15 4.24450975e+04 4.24450552e+04 4.97e-14 1.19e-10 3.71e-05 0s Barrier solved model in 15 iterations and 0.03 seconds Optimal objective 4.24450975e+04