Build (method = -2) #dp: 868 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 955.0000000 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 3.14620114e+03 -6.04364788e+03 8.24e+02 2.22e-16 2.28e+02 0s 1 7.02831865e+02 -2.56498009e+03 1.51e+01 2.22e-16 3.03e+01 0s 2 4.19851745e+02 -3.31136170e+02 1.02e+00 6.66e-16 6.47e+00 0s 3 2.26125678e+02 9.99578921e+01 6.71e-04 2.50e-16 1.07e+00 0s 4 2.02242629e+02 1.92723530e+02 3.78e-05 8.88e-16 8.07e-02 0s 5 2.00002515e+02 1.99992108e+02 4.69e-08 4.71e-16 8.82e-05 0s 6 2.00000000e+02 2.00000000e+02 6.20e-14 4.54e-16 8.83e-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: 45 x [1, 3, 4, 5, 7] 5 x [1, 3, 5, 6, 7] 11 x [1, 3, 6, 7, 7] 3 x [3, 5, 6, 7, 9] 76 x [3, 5, 7, 8, 10] 37 x [3, 7, 8, 9, 10] 21 x [2, 5, 6, 7, 8] 2 x [5, 5, 7, 8, 9]