Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:50:45 2013 Optimize a model with 91 rows, 672 columns and 1336 nonzeros Presolve time: 0.00s Presolved: 91 rows, 672 columns, 1336 nonzeros Variable types: 664 continuous, 8 integer (8 binary) Root relaxation: objective 1.229860e+04, 65 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12298.6043 0 2 - 12298.6043 - - 0s H 0 0 12315.000000 12298.6043 0.13% - 0s 0 0 cutoff 0 12315.0000 12315.0000 0.0% - 0s Explored 0 nodes (67 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.231500000000e+04, best bound 1.231500000000e+04, gap 0.0%