Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:57 2013 Optimize a model with 1800 rows, 2702 columns and 3600 nonzeros Model has 900 quadratic constraints Presolve time: 0.00s Presolved: 1800 rows, 2702 columns, 3600 nonzeros Presolved model has 900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.700e+03 Factor NZ : 6.303e+03 (roughly 2 MBytes of memory) Factor Ops : 2.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.85502459e+05 0.00000000e+00 2.84e-14 4.93e-01 3.00e+02 0s 1 1.52612030e+05 3.02574806e+04 1.80e-08 4.91e-05 4.53e+01 0s 2 1.14820223e+05 9.07160423e+04 7.30e-09 6.31e-06 8.93e+00 0s 3 1.05281239e+05 1.00754539e+05 1.57e-09 1.29e-06 1.68e+00 0s 4 1.02621568e+05 1.02082386e+05 1.58e-09 3.66e-07 2.00e-01 0s 5 1.02530471e+05 1.02524854e+05 7.53e-10 4.93e-08 2.08e-03 0s 6 1.02528944e+05 1.02527509e+05 1.95e-10 1.27e-08 5.32e-04 0s 7 1.02528630e+05 1.02527696e+05 9.12e-11 9.87e-09 3.46e-04 0s 8 1.02528428e+05 1.02527835e+05 2.39e-11 7.72e-09 2.19e-04 0s 9 1.02528380e+05 1.02528262e+05 1.22e-11 1.11e-09 4.37e-05 0s 10 1.02528347e+05 1.02528278e+05 3.72e-12 8.40e-10 2.58e-05 0s Barrier solved model in 10 iterations and 0.04 seconds Optimal objective 1.02528347e+05