Build (method = -2) #dp: 1314 Step-3' Graph: 64 vertices and 197 arcs (0.01s) Step-4' Graph: 25 vertices and 119 arcs (0.01s) #V4/#V3 = 0.39 #A4/#A3 = 0.60 Ready! (0.01s) Optimize a model with 34 rows, 120 columns and 319 nonzeros Presolve removed 4 rows and 7 columns Presolve time: 0.00s Presolved: 30 rows, 113 columns, 306 nonzeros Variable types: 0 continuous, 113 integer (0 binary) Found heuristic solution: objective 999.0000000 Found heuristic solution: objective 857.0000000 Optimize a model with 30 rows, 113 columns and 306 nonzeros Presolved: 30 rows, 113 columns, 306 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.580e+02 Factor NZ : 3.770e+02 Factor Ops : 5.759e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.91113918e+03 -1.79680376e+04 9.46e+03 2.22e-16 4.64e+02 0s 1 1.44518417e+03 -7.32926888e+03 9.83e+02 6.66e-16 6.58e+01 0s 2 6.14000380e+02 -1.46720128e+03 5.19e-13 7.77e-16 8.86e+00 0s 3 2.91718322e+02 -6.19076470e+01 1.42e-13 2.22e-16 1.50e+00 0s 4 1.88450367e+02 7.09446704e+01 4.17e-14 1.46e-16 5.00e-01 0s 5 1.73900796e+02 1.52761364e+02 7.59e-14 1.11e-16 9.00e-02 0s 6 1.66692874e+02 1.66565554e+02 7.28e-13 1.11e-16 5.42e-04 0s 7 1.66666667e+02 1.66666666e+02 3.80e-13 1.59e-16 1.07e-09 0s Barrier solved model in 7 iterations and 0.00 seconds Optimal objective 1.66666667e+02 Root relaxation: objective 1.666667e+02, 74 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 14 857.00000 166.66667 80.6% - 0s H 0 0 167.0000000 166.66667 0.20% - 0s Explored 0 nodes (92 simplex iterations) in 0.01 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: 0.01 seconds Total run time: 0.02 seconds Objective: 167 Solution: 48 x [2, 3, 4, 7, 9, 9] 7 x [1, 2, 2, 3, 4, 8] 1 x [1, 2, 2, 3, 4] 26 x [3, 3, 6, 9, 9, 9] 1 x [3, 3, 4, 9, 9, 9] 3 x [3, 3, 9, 9, 9, 9] 9 x [3, 3, 3, 4, 9, 9] 1 x [1, 2, 4, 5, 8] 17 x [1, 2, 4, 5, 5, 8] 54 x [2, 2, 5, 5, 8, 9]