Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:34 2013 Optimize a model with 1500 rows, 2252 columns and 3000 nonzeros Model has 750 quadratic constraints Presolve time: 0.00s Presolved: 1500 rows, 2252 columns, 3000 nonzeros Presolved model has 750 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.250e+03 Factor NZ : 5.253e+03 (roughly 2 MBytes of memory) Factor Ops : 1.876e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.43743273e+05 0.00000000e+00 2.84e-14 5.18e-01 2.96e+02 0s 1 1.29724853e+05 2.75014010e+04 9.26e-09 4.95e-05 4.54e+01 0s 2 9.97351463e+04 7.90176831e+04 1.19e-08 7.00e-06 9.21e+00 0s 3 9.11667672e+04 8.78397717e+04 2.03e-09 1.19e-06 1.48e+00 0s 4 8.90173073e+04 8.88346455e+04 4.84e-10 1.52e-07 8.12e-02 0s 5 8.89198254e+04 8.89171249e+04 5.43e-10 6.09e-09 1.20e-03 0s 6 8.89179411e+04 8.89174603e+04 2.80e-10 6.90e-10 2.14e-04 0s 7 8.89176485e+04 8.89175079e+04 8.15e-11 2.96e-11 6.25e-05 0s 8 8.89175782e+04 8.89175222e+04 2.99e-11 8.24e-12 2.49e-05 0s Barrier solved model in 8 iterations and 0.03 seconds Optimal objective 8.89175782e+04