Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:11 2013 Optimize a model with 72 rows, 126 columns and 370 nonzeros Presolve removed 62 rows and 98 columns Presolve time: 0.00s Presolved: 10 rows, 28 columns, 58 nonzeros Variable types: 26 continuous, 2 integer (2 binary) Root relaxation: objective 4.830966e+03, 9 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 4830.96583 0 2 - 4830.96583 - - 0s H 0 0 4831.0178459 4830.96583 0.00% - 0s Explored 0 nodes (9 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.831017845887e+03, best bound 4.830965828645e+03, gap 0.0011%