Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:51:13 2013 Optimize a model with 13000 rows, 19502 columns and 26000 nonzeros Model has 6500 quadratic constraints Presolve time: 0.01s Presolved: 13000 rows, 19502 columns, 26000 nonzeros Presolved model has 6500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.950e+04 Factor NZ : 4.550e+04 (roughly 13 MBytes of memory) Factor Ops : 1.625e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.60912743e+06 0.00000000e+00 1.14e-13 4.91e-01 2.97e+02 0s 1 1.11444619e+06 2.26008339e+05 6.14e-08 4.92e-05 4.56e+01 0s 2 8.43243303e+05 6.71262815e+05 7.30e-08 3.34e-06 8.82e+00 0s 3 7.74322002e+05 7.42453587e+05 1.52e-08 3.94e-07 1.63e+00 0s 4 7.56515547e+05 7.50138974e+05 1.87e-09 1.15e-07 3.27e-01 0s 5 7.54403187e+05 7.52776588e+05 5.23e-10 2.56e-08 8.34e-02 0s 6 7.53626080e+05 7.53546440e+05 3.79e-11 3.63e-10 4.08e-03 0s 7 7.53576082e+05 7.53559223e+05 9.12e-12 1.13e-12 8.65e-04 0s 8 7.53568591e+05 7.53559251e+05 5.38e-12 9.51e-13 4.79e-04 0s 9 7.53563381e+05 7.53559424e+05 2.30e-12 1.41e-12 2.03e-04 0s 10 7.53562175e+05 7.53559518e+05 1.79e-12 6.56e-13 1.36e-04 0s 11 7.53561862e+05 7.53559543e+05 3.24e-12 6.56e-13 1.19e-04 0s 12 7.53561510e+05 7.53559582e+05 2.84e-12 2.90e-12 9.88e-05 0s 13 7.53560651e+05 7.53559630e+05 1.76e-12 2.61e-12 5.23e-05 0s 14 7.53560203e+05 7.53559683e+05 9.09e-13 2.25e-12 2.67e-05 0s Barrier solved model in 14 iterations and 0.42 seconds Optimal objective 7.53560203e+05