Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:57 2013 Optimize a model with 800 rows, 1202 columns and 1600 nonzeros Model has 400 quadratic constraints Presolve time: 0.00s Presolved: 800 rows, 1202 columns, 1600 nonzeros Presolved model has 400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.200e+03 Factor NZ : 2.803e+03 Factor Ops : 1.000e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.23916917e+05 0.00000000e+00 2.84e-14 4.20e-01 2.79e+02 0s 1 6.53076933e+04 1.37002625e+04 1.30e-08 4.96e-05 4.30e+01 0s 2 4.96713168e+04 3.93272128e+04 1.83e-08 7.01e-06 8.62e+00 0s 3 4.49610981e+04 4.38552061e+04 8.21e-10 1.17e-06 9.22e-01 0s 4 4.44412034e+04 4.43768837e+04 2.48e-11 9.93e-08 5.36e-02 0s 5 4.44196200e+04 4.44163794e+04 5.12e-13 6.54e-09 2.70e-03 0s 6 4.44192200e+04 4.44189226e+04 9.90e-10 7.77e-09 2.48e-04 0s 7 4.44191497e+04 4.44191141e+04 1.14e-09 2.75e-09 2.97e-05 0s Barrier solved model in 7 iterations and 0.02 seconds Optimal objective 4.44191497e+04