Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:17 2013 Optimize a model with 2400 rows, 3602 columns and 4800 nonzeros Model has 1200 quadratic constraints Presolve time: 0.00s Presolved: 2400 rows, 3602 columns, 4800 nonzeros Presolved model has 1200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.600e+03 Factor NZ : 8.403e+03 (roughly 2 MBytes of memory) Factor Ops : 3.000e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.05420901e+06 0.00000000e+00 2.84e-14 5.09e-01 3.03e+02 0s 1 2.07629632e+05 4.18445380e+04 1.34e-08 4.95e-05 4.61e+01 0s 2 1.63998125e+05 1.24469761e+05 3.88e-08 6.05e-06 1.10e+01 0s 3 1.42888158e+05 1.39430336e+05 6.20e-09 1.07e-06 9.61e-01 0s 4 1.40222328e+05 1.40095126e+05 1.46e-10 9.17e-08 3.53e-02 0s 5 1.40158320e+05 1.40143014e+05 1.55e-12 2.08e-08 4.25e-03 0s 6 1.40157679e+05 1.40154499e+05 7.11e-13 3.83e-09 8.84e-04 0s 7 1.40157033e+05 1.40155491e+05 2.84e-14 2.31e-09 4.28e-04 0s 8 1.40156984e+05 1.40156730e+05 2.96e-09 6.05e-09 7.06e-05 0s 9 1.40156946e+05 1.40156893e+05 8.87e-10 1.76e-09 1.47e-05 0s Barrier solved model in 9 iterations and 0.05 seconds Optimal objective 1.40156946e+05