Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:41:33 2013 Optimize a model with 2200 rows, 400200 columns and 800200 nonzeros Presolve time: 1.07s Presolved: 2200 rows, 400200 columns, 800200 nonzeros Variable types: 400000 continuous, 200 integer (200 binary) Root relaxation: objective 4.097587e+05, 14132 iterations, 1.87 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 409758.704 0 3 - 409758.704 - - 3s H 0 0 432711.00000 409758.704 5.30% - 4s 0 0 409868.267 0 3 432711.000 409868.267 5.28% - 6s 0 0 409916.179 0 3 432711.000 409916.179 5.27% - 7s 0 0 409926.788 0 3 432711.000 409926.788 5.27% - 8s 0 0 409934.830 0 2 432711.000 409934.830 5.26% - 8s 0 0 409940.213 0 2 432711.000 409940.213 5.26% - 9s 0 0 409948.463 0 2 432711.000 409948.463 5.26% - 10s 0 0 409948.512 0 3 432711.000 409948.512 5.26% - 11s 0 0 409956.507 0 2 432711.000 409956.507 5.26% - 12s 0 0 409958.787 0 2 432711.000 409958.787 5.26% - 13s 0 0 409958.787 0 2 432711.000 409958.787 5.26% - 14s 0 0 409958.787 0 2 432711.000 409958.787 5.26% - 15s 0 0 409959.165 0 3 432711.000 409959.165 5.26% - 16s 0 0 409962.825 0 2 432711.000 409962.825 5.26% - 16s 0 0 409965.422 0 3 432711.000 409965.422 5.26% - 17s 0 0 409966.130 0 3 432711.000 409966.130 5.26% - 18s 0 0 409966.755 0 2 432711.000 409966.755 5.26% - 19s 0 0 409966.755 0 2 432711.000 409966.755 5.26% - 20s 0 0 409966.755 0 2 432711.000 409966.755 5.26% - 21s 0 0 409966.755 0 2 432711.000 409966.755 5.26% - 22s 0 0 409968.261 0 2 432711.000 409968.261 5.26% - 23s 0 0 409968.300 0 2 432711.000 409968.300 5.26% - 24s 0 0 409968.300 0 2 432711.000 409968.300 5.26% - 25s 0 0 409968.300 0 2 432711.000 409968.300 5.26% - 26s 0 0 409968.300 0 2 432711.000 409968.300 5.26% - 27s 0 2 409971.694 0 2 432711.000 409971.694 5.26% - 29s 1 3 410176.518 1 4 432711.000 410176.518 5.21% 481 31s H 3 3 414530.00000 410178.150 1.05% 163 31s H 8 6 410461.00000 410226.000 0.06% 135 33s * 9 4 9 410369.00000 410226.000 0.03% 122 33s Cutting planes: Implied bound: 106 Flow cover: 3 Explored 14 nodes (16962 simplex iterations) in 34.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.103690000000e+05, best bound 4.103690000000e+05, gap 0.0%