Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:27 2013 Optimize a model with 1380 rows, 2072 columns and 2760 nonzeros Model has 690 quadratic constraints Presolve time: 0.00s Presolved: 1380 rows, 2072 columns, 2760 nonzeros Presolved model has 690 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.070e+03 Factor NZ : 4.833e+03 (roughly 1 MByte of memory) Factor Ops : 1.726e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.86520547e+05 0.00000000e+00 2.84e-14 4.88e-01 2.93e+02 0s 1 1.18723029e+05 2.45633441e+04 1.12e-08 5.07e-05 4.55e+01 0s 2 8.96590963e+04 7.09740630e+04 2.77e-08 6.79e-06 9.03e+00 0s 3 8.18296222e+04 7.85767617e+04 5.60e-09 1.10e-06 1.57e+00 0s 4 8.01158884e+04 7.94798081e+04 5.90e-13 4.27e-07 3.07e-01 0s 5 8.00909664e+04 8.00482148e+04 5.39e-11 8.84e-08 2.07e-02 0s 6 8.00814409e+04 8.00733936e+04 2.30e-12 1.95e-08 3.89e-03 0s 7 8.00806093e+04 8.00789433e+04 9.73e-13 2.97e-09 8.05e-04 0s 8 8.00800873e+04 8.00799004e+04 6.55e-11 1.14e-09 9.03e-05 0s 9 8.00800747e+04 8.00799359e+04 4.07e-11 8.70e-10 6.71e-05 0s 10 8.00800646e+04 8.00799694e+04 1.67e-11 6.16e-10 4.60e-05 0s 11 8.00800624e+04 8.00800349e+04 1.37e-11 1.14e-10 1.33e-05 0s Barrier solved model in 11 iterations and 0.04 seconds Optimal objective 8.00800624e+04