Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:16 2013 Optimize a model with 1200 rows, 1802 columns and 2400 nonzeros Model has 600 quadratic constraints Presolve time: 0.00s Presolved: 1200 rows, 1802 columns, 2400 nonzeros Presolved model has 600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.800e+03 Factor NZ : 4.203e+03 (roughly 1 MByte of memory) Factor Ops : 1.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.18239511e+05 0.00000000e+00 4.26e-14 5.32e-01 2.97e+02 0s 1 1.04595155e+05 2.26425786e+04 5.58e-09 4.95e-05 4.55e+01 0s 2 8.14020082e+04 6.47948774e+04 3.23e-09 7.20e-06 9.23e+00 0s 3 7.45462314e+04 7.17543828e+04 1.90e-09 1.19e-06 1.55e+00 0s 4 7.27232522e+04 7.25639911e+04 1.07e-09 2.40e-07 8.85e-02 0s 5 7.26294091e+04 7.26214814e+04 5.59e-10 3.22e-08 4.40e-03 0s 6 7.26264532e+04 7.26262499e+04 2.25e-10 7.95e-09 1.13e-04 0s 7 7.26263509e+04 7.26263136e+04 1.65e-09 1.51e-09 2.08e-05 0s Barrier solved model in 7 iterations and 0.02 seconds Optimal objective 7.26263509e+04