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 1.291780e+04, 48 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 12919.9634 0 4 - 12919.9634 - - 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 (142 simplex iterations) in 0.01 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%