Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:37:22 2013 Optimize a model with 186000 rows, 279002 columns and 372000 nonzeros Model has 93000 quadratic constraints Presolve time: 0.22s Presolved: 186000 rows, 279002 columns, 372000 nonzeros Presolved model has 93000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.790e+05 Factor NZ : 6.510e+05 (roughly 200 MBytes of memory) Factor Ops : 2.325e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.80504834e+07 0.00000000e+00 1.62e-11 5.00e-01 2.89e+02 1s 1 1.60075687e+07 3.33501715e+06 1.15e-06 4.50e-05 4.54e+01 1s 2 1.20470738e+07 9.62359246e+06 1.66e-07 2.66e-06 8.69e+00 1s 3 1.11033641e+07 1.06192632e+07 3.61e-08 4.19e-07 1.74e+00 2s 4 1.08044834e+07 1.07672477e+07 2.39e-09 1.80e-08 1.33e-01 2s 5 1.07768399e+07 1.07759912e+07 4.91e-11 5.80e-12 3.04e-03 3s 6 1.07762248e+07 1.07761212e+07 6.38e-12 6.91e-12 3.71e-04 3s 7 1.07761600e+07 1.07761344e+07 1.82e-12 5.11e-12 9.19e-05 3s 8 1.07761432e+07 1.07761355e+07 7.39e-13 4.52e-12 2.77e-05 4s Barrier solved model in 8 iterations and 3.76 seconds Optimal objective 1.07761432e+07