Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:35 2013 Optimize a model with 140 rows, 800 columns and 5125 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.01s Presolved: 135 rows, 795 columns, 4620 nonzeros Variable types: 760 continuous, 35 integer (35 binary) Root relaxation: objective 1.291780e+04, 40 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12917.7960 0 3 - 12917.7960 - - 0s 0 0 12918.2321 0 4 - 12918.2321 - - 0s 0 0 12964.1336 0 3 - 12964.1336 - - 0s 0 0 12965.2897 0 3 - 12965.2897 - - 0s 0 0 12965.2897 0 3 - 12965.2897 - - 0s H 0 0 13146.817989 12965.2897 1.38% - 0s 0 0 12965.2897 0 2 13146.8180 12965.2897 1.38% - 0s 0 0 12965.3433 0 4 13146.8180 12965.3433 1.38% - 0s 0 0 12965.3433 0 4 13146.8180 12965.3433 1.38% - 0s 0 2 12965.3435 0 4 13146.8180 12965.3435 1.38% - 0s * 10 4 9 13008.677053 12965.5638 0.33% 6.4 0s * 14 2 3 12965.577381 12965.5774 0.0% 5.4 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 15 nodes (343 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.296557738136e+04, best bound 1.296557738136e+04, gap 0.0%