Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:13 2013 Optimize a model with 1140 rows, 1712 columns and 2280 nonzeros Model has 570 quadratic constraints Presolve time: 0.00s Presolved: 1140 rows, 1712 columns, 2280 nonzeros Presolved model has 570 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.710e+03 Factor NZ : 3.993e+03 (roughly 1 MByte of memory) Factor Ops : 1.426e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.64002910e+05 0.00000000e+00 2.84e-14 4.55e-01 2.81e+02 0s 1 9.46815946e+04 2.04843386e+04 9.12e-09 4.93e-05 4.34e+01 0s 2 7.23988821e+04 5.79511226e+04 1.34e-08 6.60e-06 8.45e+00 0s 3 6.59165274e+04 6.43698359e+04 2.67e-09 1.41e-06 9.04e-01 0s 4 6.50931196e+04 6.48631369e+04 1.01e-10 3.98e-07 1.34e-01 0s 5 6.50584883e+04 6.50070680e+04 5.05e-11 8.90e-08 3.01e-02 0s 6 6.50571107e+04 6.50461162e+04 4.83e-13 1.95e-08 6.43e-03 0s 7 6.50568536e+04 6.50542840e+04 2.84e-14 4.69e-09 1.50e-03 0s 8 6.50567535e+04 6.50556238e+04 1.42e-14 2.06e-09 6.61e-04 0s 9 6.50567113e+04 6.50563581e+04 1.42e-14 5.18e-10 2.07e-04 0s 10 6.50566158e+04 6.50563625e+04 1.42e-14 5.08e-10 1.48e-04 0s 11 6.50565658e+04 6.50564670e+04 2.84e-14 2.11e-10 5.78e-05 0s 12 6.50565527e+04 6.50564792e+04 3.91e-13 1.69e-10 4.30e-05 0s 13 6.50565519e+04 6.50564934e+04 3.55e-13 1.21e-10 3.42e-05 0s Barrier solved model in 13 iterations and 0.04 seconds Optimal objective 6.50565519e+04