Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:43 2013 Optimize a model with 300 rows, 452 columns and 600 nonzeros Model has 150 quadratic constraints Presolve time: 0.00s Presolved: 300 rows, 452 columns, 600 nonzeros Presolved model has 150 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 4.500e+02 Factor NZ : 1.053e+03 Factor Ops : 3.755e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.26923173e+05 0.00000000e+00 2.84e-14 5.55e-01 2.93e+02 0s 1 2.53836510e+04 5.97926885e+03 3.84e-09 4.90e-05 4.31e+01 0s 2 2.03899508e+04 1.68291902e+04 7.75e-09 8.39e-06 7.91e+00 0s 3 1.88045093e+04 1.83552549e+04 3.29e-10 2.19e-06 9.98e-01 0s 4 1.85853391e+04 1.85447667e+04 2.34e-11 2.26e-07 9.02e-02 0s 5 1.85674697e+04 1.85550549e+04 2.71e-12 1.09e-07 2.76e-02 0s 6 1.85648471e+04 1.85584098e+04 8.53e-14 7.14e-08 1.43e-02 0s 7 1.85645372e+04 1.85638744e+04 2.84e-14 7.17e-09 1.47e-03 0s 8 1.85645158e+04 1.85641943e+04 2.84e-14 3.21e-09 7.15e-04 0s 9 1.85644665e+04 1.85642797e+04 2.84e-14 2.09e-09 4.15e-04 0s 10 1.85644621e+04 1.85643338e+04 2.84e-14 1.30e-09 2.85e-04 0s 11 1.85644299e+04 1.85643904e+04 1.42e-14 4.47e-10 8.77e-05 0s 12 1.85644208e+04 1.85643948e+04 7.11e-14 3.64e-10 5.78e-05 0s 13 1.85644188e+04 1.85644016e+04 4.97e-14 2.33e-10 3.83e-05 0s Barrier solved model in 13 iterations and 0.01 seconds Optimal objective 1.85644188e+04