Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:09 2013 Optimize a model with 12000 rows, 18002 columns and 24000 nonzeros Model has 6000 quadratic constraints Presolve time: 0.01s Presolved: 12000 rows, 18002 columns, 24000 nonzeros Presolved model has 6000 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.800e+04 Factor NZ : 4.200e+04 (roughly 12 MBytes of memory) Factor Ops : 1.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.21829404e+06 0.00000000e+00 9.95e-14 5.04e-01 3.00e+02 0s 1 1.03799001e+06 2.08988959e+05 5.96e-08 4.89e-05 4.61e+01 0s 2 7.80162070e+05 6.17506819e+05 9.34e-08 3.51e-06 9.04e+00 0s 3 7.15949501e+05 6.84877591e+05 1.98e-08 4.40e-07 1.73e+00 0s 4 7.00840573e+05 6.93615179e+05 4.54e-09 8.87e-08 4.01e-01 0s 5 6.96414224e+05 6.95128966e+05 2.44e-10 3.29e-08 7.14e-02 0s 6 6.96184957e+05 6.95777240e+05 6.81e-11 1.07e-08 2.27e-02 0s 7 6.96136915e+05 6.96083056e+05 3.22e-11 3.43e-10 2.99e-03 0s 8 6.96095960e+05 6.96092516e+05 2.03e-12 2.55e-11 1.91e-04 0s 9 6.96094270e+05 6.96093294e+05 7.96e-13 8.95e-13 5.42e-05 0s 10 6.96093658e+05 6.96093321e+05 7.11e-13 4.80e-13 1.87e-05 0s Barrier solved model in 10 iterations and 0.28 seconds Optimal objective 6.96093658e+05