Build (method = -2) #dp: 725 Step-3' Graph: 52 vertices and 145 arcs (0.00s) Step-4' Graph: 7 vertices and 55 arcs (0.00s) #V4/#V3 = 0.13 #A4/#A3 = 0.38 Ready! (0.00s) Optimize a model with 17 rows, 56 columns and 162 nonzeros Presolve removed 2 rows and 2 columns Presolve time: 0.00s Presolved: 15 rows, 54 columns, 158 nonzeros Variable types: 0 continuous, 54 integer (0 binary) Found heuristic solution: objective 999.0000000 Found heuristic solution: objective 872.0000000 Optimize a model with 15 rows, 54 columns and 158 nonzeros Presolved: 15 rows, 54 columns, 158 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 5.700e+01 Factor NZ : 1.200e+02 Factor Ops : 1.240e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.10120114e+03 -6.04328470e+03 8.06e+02 0.00e+00 2.25e+02 0s 1 6.68172538e+02 -2.70757634e+03 1.08e-12 5.00e-16 2.95e+01 0s 2 4.53164940e+02 -4.05829384e+02 5.76e-13 4.44e-16 7.40e+00 0s 3 2.31797128e+02 1.04970187e+02 9.59e-14 4.44e-16 1.08e+00 0s 4 2.02642809e+02 1.95132816e+02 9.50e-14 2.30e-16 6.36e-02 0s 5 2.00001153e+02 1.99994116e+02 8.79e-14 4.44e-16 5.96e-05 0s 6 2.00000000e+02 2.00000000e+02 5.98e-14 2.53e-16 5.96e-11 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 2.00000000e+02 Root relaxation: objective 2.000000e+02, 45 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 200.0000000 200.00000 0.0% - 0s Explored 0 nodes (45 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.000000000000e+02, best bound 2.000000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 200 Solution: 2 x [4, 5, 8, 9, 10] 1 x [4, 4, 5, 6, 10] 4 x [2, 5, 8, 9, 10] 8 x [2, 4, 8, 9, 10] 81 x [1, 3, 6, 8, 10] 16 x [1, 5, 6, 10, 10] 60 x [2, 4, 5, 6, 9] 28 x [4, 4, 7, 8, 9]