Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:11 2013 Optimize a model with 48 rows, 96 columns and 398 nonzeros Presolve removed 22 rows and 33 columns Presolve time: 0.00s Presolved: 26 rows, 63 columns, 294 nonzeros Variable types: 53 continuous, 10 integer (10 binary) Root relaxation: objective 5.420106e+03, 12 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 5420.10604 0 3 - 5420.10604 - - 0s 0 0 5428.24329 0 4 - 5428.24329 - - 0s 0 0 5441.38759 0 1 - 5441.38759 - - 0s 0 0 5441.55089 0 1 - 5441.55089 - - 0s H 0 0 5441.5746300 5441.55089 0.00% - 0s Cutting planes: Implied bound: 1 Explored 0 nodes (37 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.441574629950e+03, best bound 5.441550893226e+03, gap 0.0004%