Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:16 2013 Optimize a model with 120 rows, 390 columns and 1295 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.00s Presolved: 115 rows, 385 columns, 1190 nonzeros Variable types: 360 continuous, 25 integer (25 binary) Root relaxation: objective 1.204447e+04, 44 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 3 - 12044.4669 - - 0s 0 0 12046.8962 0 4 - 12046.8962 - - 0s 0 0 12097.6819 0 1 - 12097.6819 - - 0s 0 0 12097.6819 0 1 - 12097.6819 - - 0s H 0 0 12097.731117 12097.6819 0.00% - 0s Explored 0 nodes (138 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.209773111743e+04, best bound 1.209768188701e+04, gap 0.0004%