Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:22 2013 Optimize a model with 1300 rows, 1952 columns and 2600 nonzeros Model has 650 quadratic constraints Presolve time: 0.00s Presolved: 1300 rows, 1952 columns, 2600 nonzeros Presolved model has 650 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.950e+03 Factor NZ : 4.553e+03 (roughly 1 MByte of memory) Factor Ops : 1.626e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.39992507e+05 0.00000000e+00 4.26e-14 4.57e-01 2.86e+02 0s 1 1.07694764e+05 2.23462803e+04 5.19e-09 4.87e-05 4.38e+01 0s 2 8.16880572e+04 6.47310375e+04 1.98e-08 6.77e-06 8.70e+00 0s 3 7.48313016e+04 7.18875605e+04 2.35e-09 1.30e-06 1.51e+00 0s 4 7.31090181e+04 7.29625775e+04 1.39e-09 2.34e-07 7.51e-02 0s 5 7.30607270e+04 7.30585052e+04 4.50e-11 1.24e-08 1.14e-03 0s 6 7.30598671e+04 7.30595251e+04 6.53e-11 2.11e-09 1.75e-04 0s 7 7.30598332e+04 7.30596537e+04 5.24e-11 4.87e-10 9.21e-05 0s 8 7.30597707e+04 7.30596616e+04 2.75e-11 3.85e-10 5.60e-05 0s 9 7.30597410e+04 7.30596624e+04 1.70e-11 3.75e-10 4.03e-05 0s 10 7.30597128e+04 7.30596699e+04 4.82e-12 2.85e-10 2.20e-05 0s Barrier solved model in 10 iterations and 0.03 seconds Optimal objective 7.30597128e+04