Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:22 2013 Optimize a model with 34 rows, 2070 columns and 26041 nonzeros Presolve removed 12 rows and 60 columns Presolve time: 0.08s Presolved: 22 rows, 2010 columns, 24018 nonzeros Variable types: 2000 continuous, 10 integer (10 binary) Root relaxation: objective 2.970424e+03, 16 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2970.42405 0 4 - 2970.42405 - - 0s 0 0 2970.42486 0 4 - 2970.42486 - - 0s 0 0 2970.43481 0 5 - 2970.43481 - - 0s 0 0 2970.45503 0 4 - 2970.45503 - - 0s 0 0 2970.45503 0 4 - 2970.45503 - - 0s H 0 0 2970.4555123 2970.45503 0.00% - 0s Cutting planes: Implied bound: 1 Flow cover: 1 Explored 0 nodes (44 simplex iterations) in 0.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.970455512267e+03, best bound 2.970455034426e+03, gap 0.0000%