Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:22 2013 Optimize a model with 1300 rows, 1952 columns and 2600 nonzeros Model has 650 quadratic constraints Presolve time: 0.00s Presolved: 1300 rows, 1952 columns, 2600 nonzeros Presolved model has 650 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.950e+03 Factor NZ : 4.553e+03 (roughly 1 MByte of memory) Factor Ops : 1.626e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.52549653e+05 0.00000000e+00 2.84e-14 4.88e-01 2.93e+02 0s 1 1.12219006e+05 2.31377620e+04 9.18e-09 5.08e-05 4.57e+01 0s 2 8.45867261e+04 6.67850249e+04 9.08e-09 6.86e-06 9.13e+00 0s 3 7.77259012e+04 7.50446143e+04 4.03e-09 6.78e-07 1.38e+00 0s 4 7.54674438e+04 7.53740135e+04 5.62e-11 1.02e-07 4.79e-02 0s 5 7.54349358e+04 7.54294592e+04 4.60e-12 4.48e-09 2.81e-03 0s 6 7.54322458e+04 7.54315846e+04 5.26e-13 5.68e-10 3.39e-04 0s 7 7.54319598e+04 7.54318310e+04 1.92e-13 1.20e-10 6.61e-05 0s 8 7.54319099e+04 7.54318646e+04 2.84e-14 6.12e-11 2.32e-05 0s Barrier solved model in 8 iterations and 0.03 seconds Optimal objective 7.54319099e+04