Optimize a model with 24 rows, 276 columns and 552 nonzeros Presolve time: 0.00s Presolved: 24 rows, 276 columns, 552 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 1.0800000e+02 4.500000e+01 0.000000e+00 0s 36 1.2245000e+03 0.000000e+00 0.000000e+00 0s Solved in 36 iterations and 0.00 seconds Optimal objective 1.224500000e+03 Optimize a model with 27 rows, 276 columns and 675 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 1.2245000e+03 3.000000e+00 0.000000e+00 0s 13 1.2720000e+03 0.000000e+00 0.000000e+00 0s Solved in 13 iterations and 0.00 seconds Optimal objective 1.272000000e+03 Optimize a model with 27 rows, 276 columns and 675 nonzeros Presolve time: 0.00s Presolved: 27 rows, 276 columns, 675 nonzeros Variable types: 0 continuous, 276 integer (276 binary) Found heuristic solution: objective 4030.0000000 Root relaxation: objective 1.272000e+03, 45 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1272.00000 0 10 4030.00000 1272.00000 68.4% - 0s H 0 0 1338.0000000 1272.00000 4.93% - 0s * 0 0 0 1272.0000000 1272.00000 0.0% - 0s Cutting planes: Zero half: 2 Explored 0 nodes (46 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272000000000e+03, best bound 1.272000000000e+03, gap 0.0% Gurobi 5.0.1 (linux64) logging started Sun Nov 25 02:42:23 2012