Build (method = -2) #dp: 55 Step-3' Graph: 15 vertices and 38 arcs (0.00s) Step-4' Graph: 7 vertices and 22 arcs (0.00s) #V4/#V3 = 0.47 #A4/#A3 = 0.58 Ready! (0.00s) Optimize a model with 17 rows, 23 columns and 59 nonzeros Presolve removed 13 rows and 17 columns Presolve time: 0.00s Presolved: 4 rows, 6 columns, 14 nonzeros Variable types: 0 continuous, 6 integer (0 binary) Found heuristic solution: objective 786.0000000 Found heuristic solution: objective 785.0000000 Found heuristic solution: objective 784.0000000 Found heuristic solution: objective 696.0000000 Optimize a model with 4 rows, 6 columns and 14 nonzeros Presolved: 4 rows, 6 columns, 14 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 6.000e+00 Factor NZ : 1.000e+01 Factor Ops : 3.000e+01 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.67692308e+02 1.87216571e+02 1.48e+02 0.00e+00 7.36e+01 0s 1 7.26007939e+02 6.33835281e+02 5.00e+00 2.22e-16 7.47e+00 0s 2 6.96728716e+02 6.91353867e+02 3.20e-14 6.44e-15 4.13e-01 0s 3 6.96000729e+02 6.95995354e+02 5.68e-14 2.22e-16 4.13e-04 0s Barrier performed 3 iterations in 0.00 seconds Objective cutoff exceeded Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 6.960000000000e+02, best bound 6.960000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 696 Solution: 129 x [1] 90 x [2] 55 x [2, 10] 94 x [3, 9] 44 x [4] 41 x [4, 9] 129 x [5] 5 x [5, 8] 90 x [6, 7] 19 x [6, 8]