Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:17 2013 Optimize a model with 1220 rows, 1832 columns and 2440 nonzeros Model has 610 quadratic constraints Presolve time: 0.00s Presolved: 1220 rows, 1832 columns, 2440 nonzeros Presolved model has 610 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.830e+03 Factor NZ : 4.273e+03 (roughly 1 MByte of memory) Factor Ops : 1.526e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.16346024e+05 0.00000000e+00 2.84e-14 4.85e-01 2.91e+02 0s 1 1.05516654e+05 2.19113432e+04 6.75e-09 5.10e-05 4.57e+01 0s 2 7.95020126e+04 6.27400317e+04 1.10e-08 6.98e-06 9.16e+00 0s 3 7.25598437e+04 7.00420460e+04 1.94e-09 1.28e-06 1.38e+00 0s 4 7.09909298e+04 7.07438837e+04 7.10e-11 2.35e-07 1.35e-01 0s 5 7.09239883e+04 7.08918406e+04 1.15e-11 2.63e-08 1.76e-02 0s 6 7.09124095e+04 7.09106633e+04 1.18e-12 3.86e-10 9.54e-04 0s 7 7.09111213e+04 7.09109463e+04 8.66e-10 1.17e-09 9.56e-05 0s 8 7.09110248e+04 7.09109684e+04 2.82e-10 3.19e-10 3.08e-05 0s Barrier solved model in 8 iterations and 0.03 seconds Optimal objective 7.09110248e+04