Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:01:38 2013 Optimize a model with 175 rows, 100 columns and 550 nonzeros Presolve removed 65 rows and 52 columns Presolve time: 0.00s Presolved: 110 rows, 48 columns, 365 nonzeros Variable types: 5 continuous, 43 integer (43 binary) Found heuristic solution: objective 1724.0000000 Root relaxation: objective 1.290110e+03, 10 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1290.10987 0 4 1724.00000 1290.10987 25.2% - 0s H 0 0 1293.0000000 1290.10987 0.22% - 0s 0 0 cutoff 0 1293.00000 1292.00129 0.08% - 0s Cutting planes: MIR: 1 Explored 0 nodes (17 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.293000000000e+03, best bound 1.293000000000e+03, gap 0.0%