Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:06 2013 Optimize a model with 1000 rows, 1502 columns and 2000 nonzeros Model has 500 quadratic constraints Presolve time: 0.00s Presolved: 1000 rows, 1502 columns, 2000 nonzeros Presolved model has 500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.500e+03 Factor NZ : 3.503e+03 (roughly 1 MByte of memory) Factor Ops : 1.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.26912093e+05 0.00000000e+00 4.26e-14 5.00e-01 2.94e+02 0s 1 8.73959326e+04 1.82963867e+04 1.48e-09 5.12e-05 4.61e+01 0s 2 6.93170106e+04 5.22932539e+04 2.71e-08 7.00e-06 1.13e+01 0s 3 6.05554109e+04 5.87513114e+04 8.98e-09 1.29e-06 1.20e+00 0s 4 5.91314095e+04 5.90659303e+04 2.53e-10 9.08e-08 4.37e-02 0s 5 5.90930086e+04 5.90826836e+04 1.40e-11 2.85e-08 6.88e-03 0s 6 5.90914617e+04 5.90868210e+04 5.14e-12 1.34e-08 3.09e-03 0s 7 5.90907416e+04 5.90891697e+04 1.31e-09 3.32e-10 1.05e-03 0s 8 5.90906295e+04 5.90899770e+04 8.95e-10 2.28e-09 4.35e-04 0s 9 5.90905129e+04 5.90901711e+04 1.87e-09 2.22e-09 2.28e-04 0s 10 5.90905014e+04 5.90904841e+04 7.32e-10 5.83e-10 1.16e-05 0s Barrier solved model in 10 iterations and 0.03 seconds Optimal objective 5.90905014e+04