Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:41 2013 Optimize a model with 120 rows, 182 columns and 240 nonzeros Model has 60 quadratic constraints Presolve time: 0.00s Presolved: 120 rows, 182 columns, 240 nonzeros Presolved model has 60 second-order cone constraints Ordering time: 0.00s Barrier statistics: Free vars : 2 AA' NZ : 3.600e+03 Factor NZ : 6.361e+03 Factor Ops : 4.205e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.36400347e+04 0.00000000e+00 2.13e-13 6.50e-01 3.09e+02 0s 1 9.94046863e+03 2.31507324e+03 2.30e-09 5.03e-05 4.24e+01 0s 2 8.38924258e+03 6.76643074e+03 5.90e-09 1.21e-05 9.02e+00 0s 3 7.47739118e+03 7.38859078e+03 4.33e-10 1.58e-06 4.93e-01 0s 4 7.43508655e+03 7.42299581e+03 2.34e-10 1.04e-07 6.72e-02 0s 5 7.42836831e+03 7.42378188e+03 9.32e-11 1.36e-09 2.55e-02 0s 6 7.42455648e+03 7.42402976e+03 9.55e-12 3.05e-11 2.93e-03 0s 7 7.42418304e+03 7.42408471e+03 1.60e-12 5.95e-12 5.46e-04 0s 8 7.42415243e+03 7.42411315e+03 8.81e-13 7.51e-13 2.18e-04 0s 9 7.42412195e+03 7.42411485e+03 9.95e-14 6.28e-12 3.95e-05 0s Barrier solved model in 9 iterations and 0.01 seconds Optimal objective 7.42412195e+03