Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:34 2013 Optimize a model with 580 rows, 1265 columns and 4025 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.05s Presolved: 575 rows, 1260 columns, 3520 nonzeros Variable types: 760 continuous, 500 integer (500 binary) Root relaxation: objective 1.204447e+04, 64 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12044.4669 0 2 - 12044.4669 - - 0s 0 0 12054.8080 0 2 - 12054.8080 - - 0s 0 0 12058.3811 0 2 - 12058.3811 - - 0s 0 0 12058.6843 0 2 - 12058.6843 - - 0s 0 0 12058.7505 0 2 - 12058.7505 - - 0s 0 0 12060.9516 0 2 - 12060.9516 - - 0s 0 0 12061.0871 0 4 - 12061.0871 - - 0s 0 0 12061.9438 0 2 - 12061.9438 - - 0s 0 0 12062.7018 0 4 - 12062.7018 - - 0s 0 0 12063.0129 0 2 - 12063.0129 - - 0s 0 0 12063.4063 0 4 - 12063.4063 - - 0s 0 0 12064.3113 0 5 - 12064.3113 - - 0s 0 0 12064.5130 0 3 - 12064.5130 - - 0s 0 0 12064.6878 0 6 - 12064.6878 - - 0s 0 0 12064.7540 0 2 - 12064.7540 - - 0s 0 0 12064.7540 0 2 - 12064.7540 - - 0s H 0 0 12468.772213 12064.7540 3.24% - 0s 0 2 12064.7540 0 2 12468.7722 12064.7540 3.24% - 0s * 24 6 19 12097.772419 12097.7724 0.0% 5.4 0s Cutting planes: Gomory: 1 Implied bound: 14 Flow cover: 3 Explored 25 nodes (293 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.209777241860e+04, best bound 1.209777241860e+04, gap 0.0%