Build (method = -2) #dp: 76 Step-3' Graph: 19 vertices and 50 arcs (0.00s) Step-4' Graph: 13 vertices and 38 arcs (0.00s) #V4/#V3 = 0.68 #A4/#A3 = 0.76 Ready! (0.00s) Optimize a model with 23 rows, 39 columns and 95 nonzeros Presolve removed 11 rows and 14 columns Presolve time: 0.00s Presolved: 12 rows, 25 columns, 62 nonzeros Variable types: 0 continuous, 25 integer (0 binary) Found heuristic solution: objective 604.0000000 Found heuristic solution: objective 603.0000000 Found heuristic solution: objective 584.0000000 Optimize a model with 12 rows, 25 columns and 62 nonzeros Presolve removed 1 rows and 1 columns Presolved: 11 rows, 24 columns, 62 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 3.200e+01 Factor NZ : 6.600e+01 Factor Ops : 5.060e+02 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.05399087e+03 -2.48380176e+03 1.38e+03 5.55e-17 1.67e+02 0s 1 6.45698643e+02 -3.14189561e+02 3.46e+01 3.33e-16 1.99e+01 0s 2 5.95636787e+02 1.26321497e+02 3.65e+00 1.11e-15 9.11e+00 0s 3 5.47055947e+02 4.56633474e+02 1.08e-03 1.80e-16 1.74e+00 0s 4 5.18589224e+02 5.15133540e+02 5.68e-14 2.22e-16 6.65e-02 0s 5 5.18000191e+02 5.17999780e+02 1.71e-13 1.11e-16 7.90e-06 0s 6 5.18000000e+02 5.18000000e+02 4.26e-14 2.22e-16 8.32e-12 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 5.18000000e+02 Root relaxation: objective 5.180000e+02, 18 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 518.0000000 518.00000 0.0% - 0s Explored 0 nodes (18 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 5.180000000000e+02, best bound 5.180000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 518 Solution: 34 x [1, 9, 10] 59 x [2, 7] 143 x [3, 7] 15 x [3, 7, 8] 15 x [3, 10] 11 x [4, 7] 2 x [4, 7, 9] 119 x [5] 86 x [5, 6] 2 x [5, 7] 32 x [5, 9, 10]