Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:27:40 2013 Optimize a model with 142000 rows, 213002 columns and 284000 nonzeros Model has 71000 quadratic constraints Presolve time: 0.17s Presolved: 142000 rows, 213002 columns, 284000 nonzeros Presolved model has 71000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.130e+05 Factor NZ : 4.970e+05 (roughly 150 MBytes of memory) Factor Ops : 1.775e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.01223260e+07 0.00000000e+00 1.12e-11 5.00e-01 2.92e+02 0s 1 1.22388181e+07 2.52677449e+06 1.43e-06 4.58e-05 4.56e+01 1s 2 9.20905074e+06 7.34843431e+06 2.06e-07 2.71e-06 8.74e+00 1s 3 8.46931458e+06 8.11100385e+06 4.51e-08 3.31e-07 1.68e+00 1s 4 8.27023029e+06 8.20079018e+06 6.08e-09 8.45e-08 3.26e-01 2s 5 8.23677517e+06 8.23261618e+06 4.80e-10 1.99e-09 1.95e-02 2s 6 8.23398013e+06 8.23364025e+06 4.89e-11 4.13e-11 1.60e-03 2s 7 8.23371539e+06 8.23366409e+06 7.56e-12 4.84e-12 2.41e-04 3s 8 8.23368092e+06 8.23366623e+06 2.34e-12 4.29e-12 6.90e-05 3s 9 8.23367311e+06 8.23366661e+06 1.71e-12 1.58e-11 3.05e-05 3s Barrier solved model in 9 iterations and 3.25 seconds Optimal objective 8.23367311e+06