Build (method = -2) #dp: 51 Step-3' Graph: 17 vertices and 44 arcs (0.00s) Step-4' Graph: 8 vertices and 26 arcs (0.00s) #V4/#V3 = 0.47 #A4/#A3 = 0.59 Ready! (0.00s) Optimize a model with 18 rows, 27 columns and 69 nonzeros Presolve removed 8 rows and 8 columns Presolve time: 0.00s Presolved: 10 rows, 19 columns, 47 nonzeros Variable types: 0 continuous, 19 integer (0 binary) Found heuristic solution: objective 660.0000000 Found heuristic solution: objective 585.0000000 Optimize a model with 10 rows, 19 columns and 47 nonzeros Presolved: 10 rows, 19 columns, 47 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 2.300e+01 Factor NZ : 5.500e+01 Factor Ops : 3.850e+02 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.40027501e+03 -9.78651794e+02 8.31e+02 1.11e-16 1.30e+02 0s 1 7.59079768e+02 7.52117089e+01 4.75e+01 2.22e-16 1.85e+01 0s 2 6.17703106e+02 3.29214066e+02 5.82e+00 1.11e-16 7.01e+00 0s 3 5.72431059e+02 5.31966294e+02 7.45e-03 2.22e-16 9.64e-01 0s 4 5.58034043e+02 5.51892538e+02 4.40e-04 2.22e-16 1.46e-01 0s 5 5.57108052e+02 5.56943885e+02 7.08e-06 1.11e-16 3.91e-03 0s 6 5.57000001e+02 5.56999994e+02 4.38e-10 1.11e-16 1.70e-07 0s 7 5.57000000e+02 5.57000000e+02 1.33e-11 1.27e-16 1.82e-13 0s Barrier solved model in 7 iterations and 0.00 seconds Optimal objective 5.57000000e+02 Root relaxation: objective 5.570000e+02, 7 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 557.0000000 557.00000 0.0% - 0s Explored 0 nodes (7 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 5.570000000000e+02, best bound 5.570000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 557 Solution: 169 x [1] 72 x [2] 15 x [3, 10] 70 x [4, 7] 36 x [4, 10] 41 x [5, 6] 11 x [5, 10] 98 x [7, 9, 10] 29 x [8, 9, 10] 16 x [8, 10]