Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:50:27 2013 Optimize a model with 488 rows, 420 columns and 1644 nonzeros Presolve removed 6 rows and 0 columns Presolve time: 0.00s Presolved: 482 rows, 420 columns, 1638 nonzeros Variable types: 414 continuous, 6 integer (6 binary) Root relaxation: objective 1.262728e+04, 99 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12627.2846 0 4 - 12627.2846 - - 0s H 0 0 12727.000000 12627.2846 0.78% - 0s 0 0 cutoff 0 12727.0000 12727.0000 0.0% - 0s Cutting planes: Implied bound: 3 Explored 0 nodes (113 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272700000000e+04, best bound 1.272700000000e+04, gap 0.0%