Build (method = -2) #dp: 1036 Step-3' Graph: 62 vertices and 174 arcs (0.00s) Step-4' Graph: 8 vertices and 66 arcs (0.00s) #V4/#V3 = 0.13 #A4/#A3 = 0.38 Ready! (0.00s) Optimize a model with 18 rows, 67 columns and 194 nonzeros Presolve removed 2 rows and 2 columns Presolve time: 0.00s Presolved: 16 rows, 65 columns, 190 nonzeros Variable types: 0 continuous, 65 integer (0 binary) Found heuristic solution: objective 999.0000000 Found heuristic solution: objective 961.0000000 Optimize a model with 16 rows, 65 columns and 190 nonzeros Presolved: 16 rows, 65 columns, 190 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 6.900e+01 Factor NZ : 1.360e+02 Factor Ops : 1.496e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.62725568e+03 -7.69678081e+03 1.22e+03 1.11e-16 2.65e+02 0s 1 8.18786787e+02 -3.27749345e+03 6.36e+01 4.44e-16 3.67e+01 0s 2 4.15901946e+02 -1.70097673e+02 6.44e-02 8.88e-16 4.22e+00 0s 3 1.89011490e+02 5.66345908e+01 6.19e-03 3.33e-16 9.46e-01 0s 4 1.68721103e+02 1.53835048e+02 5.61e-04 2.36e-16 1.06e-01 0s 5 1.66867085e+02 1.63810312e+02 9.12e-05 2.37e-16 2.18e-02 0s 6 1.66666882e+02 1.66666159e+02 8.59e-14 2.22e-16 5.16e-06 0s 7 1.66666667e+02 1.66666667e+02 8.36e-14 3.33e-16 5.21e-12 0s Barrier solved model in 7 iterations and 0.00 seconds Optimal objective 1.66666667e+02 Root relaxation: objective 1.666667e+02, 55 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 166.66667 0 8 961.00000 166.66667 82.7% - 0s H 0 0 167.0000000 166.66667 0.20% - 0s Explored 0 nodes (59 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.670000000000e+02, best bound 1.670000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 167 Solution: 5 x [3, 4, 5, 5, 7, 10] 14 x [2, 3, 4, 5, 8, 9] 20 x [1, 3, 5, 8, 8, 9] 2 x [2, 5, 6, 7, 8, 10] 6 x [5, 6, 7, 8, 8, 10] 73 x [1, 5, 8, 9, 10, 10] 46 x [2, 4, 5, 8, 9, 9] 1 x [5, 6, 8, 8]