Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:49:58 2013 Optimize a model with 64 rows, 44 columns and 164 nonzeros Presolve removed 63 rows and 23 columns Presolve time: 0.00s Presolved: 1 rows, 21 columns, 21 nonzeros Variable types: 21 continuous, 0 integer (0 binary) Root relaxation: objective 2.813000e+03, 1 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 2813.0000000 2813.00000 0.0% - 0s Explored 0 nodes (1 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.813000000000e+03, best bound 2.813000000000e+03, gap 0.0%