Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:15 2013 Optimize a model with 2200 rows, 3302 columns and 4400 nonzeros Model has 1100 quadratic constraints Presolve time: 0.00s Presolved: 2200 rows, 3302 columns, 4400 nonzeros Presolved model has 1100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.300e+03 Factor NZ : 7.703e+03 (roughly 2 MBytes of memory) Factor Ops : 2.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 9.39604160e+05 0.00000000e+00 2.84e-14 4.96e-01 2.94e+02 0s 1 1.88058122e+05 3.94348194e+04 2.25e-08 5.00e-05 4.50e+01 0s 2 1.43772553e+05 1.14720055e+05 3.33e-08 6.45e-06 8.80e+00 0s 3 1.31012660e+05 1.27101980e+05 3.27e-09 1.23e-06 1.19e+00 0s 4 1.28777827e+05 1.28082536e+05 1.08e-09 5.45e-07 2.11e-01 0s 5 1.28756485e+05 1.28711301e+05 6.15e-10 6.07e-08 1.37e-02 0s 6 1.28748552e+05 1.28743185e+05 1.20e-10 5.87e-09 1.63e-03 0s 7 1.28746738e+05 1.28744635e+05 1.31e-11 3.27e-09 6.37e-04 0s 8 1.28746462e+05 1.28745380e+05 5.76e-13 1.92e-09 3.28e-04 0s 9 1.28746430e+05 1.28746186e+05 5.50e-09 4.77e-10 7.37e-05 0s 10 1.28746421e+05 1.28746329e+05 9.07e-10 1.83e-10 2.79e-05 0s Barrier solved model in 10 iterations and 0.05 seconds Optimal objective 1.28746421e+05