Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:11:59 2013 Optimize a model with 170 rows, 10550 columns and 130605 nonzeros Presolve removed 5 rows and 245 columns Presolve time: 0.38s Presolved: 165 rows, 10305 columns, 120605 nonzeros Variable types: 10255 continuous, 50 integer (50 binary) Root relaxation: objective 1.024210e+04, 67 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 10242.1039 0 8 - 10242.1039 - - 0s 0 0 10242.1693 0 8 - 10242.1693 - - 0s 0 0 10242.1693 0 8 - 10242.1693 - - 0s 0 2 10242.3298 0 8 - 10242.3298 - - 1s * 42 34 37 10426.249115 10248.4888 1.70% 4.2 2s * 69 15 17 10336.718105 10328.4785 0.08% 3.8 2s * 71 15 18 10336.711336 10328.4785 0.08% 3.7 2s * 96 18 19 10336.559542 10328.5231 0.08% 3.4 2s * 97 17 19 10336.516587 10328.5231 0.08% 3.4 2s H 100 15 10336.399002 10328.6125 0.08% 3.3 2s Cutting planes: Flow cover: 1 Explored 156 nodes (661 simplex iterations) in 2.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.033639900200e+04, best bound 1.033579277042e+04, gap 0.0059%