Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:49 2013 Optimize a model with 540 rows, 812 columns and 1080 nonzeros Model has 270 quadratic constraints Presolve time: 0.00s Presolved: 540 rows, 812 columns, 1080 nonzeros Presolved model has 270 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 8.100e+02 Factor NZ : 1.893e+03 Factor Ops : 6.755e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.18513289e+05 0.00000000e+00 2.84e-14 4.12e-01 2.79e+02 0s 1 4.41776374e+04 9.45652179e+03 6.28e-09 5.07e-05 4.29e+01 0s 2 3.39662008e+04 2.69645598e+04 7.28e-09 7.30e-06 8.64e+00 0s 3 3.07988288e+04 3.01741178e+04 1.86e-09 1.03e-06 7.71e-01 0s 4 3.04286908e+04 3.04122981e+04 5.71e-10 1.70e-07 2.02e-02 0s 5 3.04254140e+04 3.04237466e+04 2.03e-10 2.03e-08 2.06e-03 0s 6 3.04244050e+04 3.04238858e+04 1.15e-09 4.77e-09 6.41e-04 0s 7 3.04239292e+04 3.04238893e+04 7.38e-11 2.44e-09 4.93e-05 0s 8 3.04239170e+04 3.04238941e+04 4.72e-11 4.16e-10 2.84e-05 0s Barrier solved model in 8 iterations and 0.01 seconds Optimal objective 3.04239170e+04