Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:14 2013 Optimize a model with 120 rows, 605 columns and 2155 nonzeros Presolve removed 5 rows and 125 columns Presolve time: 0.00s Presolved: 115 rows, 480 columns, 1955 nonzeros Variable types: 455 continuous, 25 integer (25 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 12921.0739 0 5 - 12921.0739 - - 0s 0 0 12921.4125 0 5 - 12921.4125 - - 0s 0 0 12965.5638 0 1 - 12965.5638 - - 0s 0 0 12965.5638 0 1 - 12965.5638 - - 0s H 0 0 12965.571202 12965.5638 0.00% - 0s Explored 0 nodes (128 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.296557120244e+04, best bound 1.296556383725e+04, gap 0.0001%