Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:27 2013 Optimize a model with 1400 rows, 2102 columns and 2800 nonzeros Model has 700 quadratic constraints Presolve time: 0.00s Presolved: 1400 rows, 2102 columns, 2800 nonzeros Presolved model has 700 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.100e+03 Factor NZ : 4.903e+03 (roughly 1 MByte of memory) Factor Ops : 1.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.02476909e+05 0.00000000e+00 2.84e-14 5.25e-01 2.96e+02 0s 1 1.21300508e+05 2.59329036e+04 1.54e-08 4.96e-05 4.54e+01 0s 2 9.37886419e+04 7.44642389e+04 2.58e-08 7.19e-06 9.20e+00 0s 3 8.61131720e+04 8.26889475e+04 5.44e-09 1.12e-06 1.63e+00 0s 4 8.37230980e+04 8.36001320e+04 9.66e-10 2.18e-07 5.86e-02 0s 5 8.36624857e+04 8.36603081e+04 1.98e-11 2.50e-09 1.04e-03 0s 6 8.36612926e+04 8.36610273e+04 1.70e-10 2.55e-09 1.26e-04 0s 7 8.36611568e+04 8.36610557e+04 5.94e-11 1.14e-09 4.81e-05 0s 8 8.36611055e+04 8.36610768e+04 1.70e-11 2.04e-10 1.37e-05 0s Barrier solved model in 8 iterations and 0.03 seconds Optimal objective 8.36611055e+04