Build (method = -2) #dp: 270 Step-3' Graph: 47 vertices and 124 arcs (0.00s) Step-4' Graph: 40 vertices and 110 arcs (0.00s) #V4/#V3 = 0.85 #A4/#A3 = 0.89 Ready! (0.00s) Optimize a model with 50 rows, 111 columns and 284 nonzeros Presolve removed 26 rows and 48 columns Presolve time: 0.00s Presolved: 24 rows, 63 columns, 154 nonzeros Variable types: 0 continuous, 63 integer (0 binary) Found heuristic solution: objective 709.0000000 Optimize a model with 24 rows, 63 columns and 154 nonzeros Presolve removed 3 rows and 5 columns Presolved: 21 rows, 58 columns, 144 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 7.200e+01 Factor NZ : 1.910e+02 Factor Ops : 2.151e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 9.12063894e+02 -8.04522314e+02 1.13e+03 1.11e-16 4.24e+01 0s 1 7.28608251e+02 2.04922236e+02 5.92e+01 7.22e-16 5.44e+00 0s 2 7.12886043e+02 6.52720710e+02 1.21e+00 5.55e-16 5.14e-01 0s 3 7.08513892e+02 6.96501089e+02 8.41e-03 3.33e-16 1.01e-01 0s 4 7.06267245e+02 7.05506526e+02 1.14e-13 3.68e-16 6.39e-03 0s 5 7.06001559e+02 7.05998314e+02 8.53e-14 4.07e-16 2.73e-05 0s 6 7.06000000e+02 7.06000000e+02 2.27e-13 2.66e-16 2.83e-11 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 7.06000000e+02 Root relaxation: objective 7.060000e+02, 29 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 706.0000000 706.00000 0.0% - 0s Explored 0 nodes (29 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 7.060000000000e+02, best bound 7.060000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.02 seconds Objective: 706 Solution: 147 x [6] 65 x [1] 55 x [1, 8] 25 x [5] 89 x [5, 8] 1 x [2, 5] 22 x [2, 2, 5] 69 x [7] 101 x [9, 10] 128 x [3] 1 x [3, 10] 3 x [3, 4]