Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:50:39 2013 Optimize a model with 639 rows, 560 columns and 2219 nonzeros Presolve removed 107 rows and 0 columns Presolve time: 0.00s Presolved: 532 rows, 560 columns, 2005 nonzeros Variable types: 553 continuous, 7 integer (7 binary) Root relaxation: objective 1.295200e+04, 76 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 12952.000000 12952.0000 0.0% - 0s Explored 0 nodes (76 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.295200000000e+04, best bound 1.295200000000e+04, gap 0.0%