Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:56:33 2013 Optimize a model with 17600 rows, 26402 columns and 35200 nonzeros Model has 8800 quadratic constraints Presolve time: 0.02s Presolved: 17600 rows, 26402 columns, 35200 nonzeros Presolved model has 8800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.640e+04 Factor NZ : 6.160e+04 (roughly 20 MBytes of memory) Factor Ops : 2.200e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.63444183e+06 0.00000000e+00 2.27e-13 4.94e-01 2.99e+02 0s 1 1.52310141e+06 3.02234588e+05 5.28e-08 4.87e-05 4.62e+01 0s 2 1.13640039e+06 8.97162501e+05 2.38e-08 3.05e-06 9.06e+00 0s 3 1.04731544e+06 9.96616389e+05 4.80e-09 3.75e-07 1.92e+00 0s 4 1.01572841e+06 1.01254670e+06 3.62e-10 1.35e-12 1.21e-01 0s 5 1.01303478e+06 1.01270846e+06 3.79e-11 3.21e-13 1.24e-02 0s 6 1.01276552e+06 1.01271733e+06 5.60e-12 1.88e-13 1.83e-03 0s 7 1.01273061e+06 1.01271897e+06 1.40e-12 6.32e-13 4.41e-04 0s 8 1.01272495e+06 1.01271958e+06 8.53e-13 1.03e-12 2.03e-04 0s 9 1.01272386e+06 1.01271967e+06 8.60e-13 5.66e-13 1.59e-04 0s 10 1.01272173e+06 1.01271978e+06 3.48e-13 1.58e-11 7.37e-05 0s 11 1.01272119e+06 1.01272007e+06 2.49e-13 5.12e-12 4.23e-05 0s 12 1.01272083e+06 1.01272023e+06 3.34e-13 1.68e-12 2.25e-05 0s Barrier solved model in 12 iterations and 0.49 seconds Optimal objective 1.01272083e+06