Build (method = -2) #dp: 194 Step-3' Graph: 28 vertices and 102 arcs (0.00s) Step-4' Graph: 24 vertices and 94 arcs (0.00s) #V4/#V3 = 0.86 #A4/#A3 = 0.92 Ready! (0.00s) Optimize a model with 34 rows, 95 columns and 250 nonzeros Presolve removed 7 rows and 12 columns Presolve time: 0.00s Presolved: 27 rows, 83 columns, 226 nonzeros Variable types: 0 continuous, 83 integer (0 binary) Found heuristic solution: objective 951.0000000 Found heuristic solution: objective 769.0000000 Optimize a model with 27 rows, 83 columns and 226 nonzeros Presolved: 27 rows, 83 columns, 226 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.300e+02 Factor NZ : 2.980e+02 Factor Ops : 3.970e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.99039126e+03 -6.54794453e+03 4.54e+03 2.22e-16 1.94e+02 0s 1 1.03642386e+03 -2.61401062e+03 3.90e+02 6.66e-16 2.93e+01 0s 2 6.21505070e+02 -4.13961112e+02 2.35e-01 3.33e-16 5.96e+00 0s 3 4.19088132e+02 1.74509791e+02 1.39e-02 3.33e-16 1.41e+00 0s 4 3.62438908e+02 3.02762777e+02 3.70e-03 1.90e-16 3.43e-01 0s 5 3.53437031e+02 3.37241181e+02 3.02e-04 3.33e-16 9.31e-02 0s 6 3.51839164e+02 3.47995173e+02 8.78e-05 2.22e-16 2.21e-02 0s 7 3.51222226e+02 3.51116721e+02 4.12e-06 1.39e-16 6.06e-04 0s 8 3.51200022e+02 3.51199917e+02 4.39e-13 2.22e-16 6.06e-07 0s 9 3.51200000e+02 3.51200000e+02 9.95e-14 2.22e-16 6.11e-13 0s Barrier solved model in 9 iterations and 0.00 seconds Optimal objective 3.51200000e+02 Root relaxation: objective 3.512000e+02, 32 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 351.20000 0 16 769.00000 351.20000 54.3% - 0s H 0 0 352.0000000 351.20000 0.23% - 0s Explored 0 nodes (35 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 3.520000000000e+02, best bound 3.520000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 352 Solution: 27 x [2, 8] 1 x [9] 76 x [3, 9] 36 x [7, 9] 47 x [9, 10] 11 x [5, 9] 1 x [8, 9] 8 x [1, 8, 9] 29 x [4, 6, 7] 1 x [6, 8] 64 x [6, 6, 8] 4 x [4, 7, 8, 8] 47 x [1, 1, 1, 5, 8, 8]