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 58 rows and 51 columns Presolve time: 0.00s Presolved: 117 rows, 49 columns, 386 nonzeros Variable types: 5 continuous, 44 integer (44 binary) Found heuristic solution: objective 1700.0000000 Found heuristic solution: objective 1510.0000000 Root relaxation: objective 1.323200e+03, 17 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1323.20000 0 5 1510.00000 1323.20000 12.4% - 0s H 0 0 1333.0000000 1323.20000 0.74% - 0s 0 0 1327.01241 0 6 1333.00000 1327.01241 0.45% - 0s 0 0 1328.74474 0 9 1333.00000 1328.74474 0.32% - 0s 0 0 1328.74474 0 3 1333.00000 1328.74474 0.32% - 0s H 0 0 1332.0000000 1328.74474 0.24% - 0s 0 0 cutoff 0 1332.00000 1331.00133 0.07% - 0s Cutting planes: Gomory: 2 Cover: 1 Implied bound: 1 MIR: 4 Explored 0 nodes (60 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.332000000000e+03, best bound 1.332000000000e+03, gap 0.0%