Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:18 2013 Optimize a model with 1220 rows, 1832 columns and 2440 nonzeros Model has 610 quadratic constraints Presolve time: 0.00s Presolved: 1220 rows, 1832 columns, 2440 nonzeros Presolved model has 610 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.830e+03 Factor NZ : 4.273e+03 (roughly 1 MByte of memory) Factor Ops : 1.526e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.26845151e+05 0.00000000e+00 2.84e-14 4.95e-01 2.97e+02 0s 1 1.04160181e+05 2.26804607e+04 2.31e-09 4.90e-05 4.45e+01 0s 2 8.49759865e+04 6.59480497e+04 1.70e-08 8.12e-06 1.04e+01 0s 3 7.51764019e+04 7.29912926e+04 1.20e-08 1.05e-06 1.19e+00 0s 4 7.33126553e+04 7.32793540e+04 2.74e-09 8.53e-08 1.82e-02 0s 5 7.32903586e+04 7.32866606e+04 3.67e-10 3.96e-09 2.02e-03 0s 6 7.32877960e+04 7.32869720e+04 3.74e-10 2.35e-09 4.50e-04 0s 7 7.32873658e+04 7.32870350e+04 7.81e-10 2.14e-09 1.81e-04 0s 8 7.32871827e+04 7.32870734e+04 2.45e-10 5.47e-10 5.97e-05 0s 9 7.32871637e+04 7.32870955e+04 1.87e-10 6.77e-11 3.73e-05 0s Barrier solved model in 9 iterations and 0.03 seconds Optimal objective 7.32871637e+04