Build (method = -2) #dp: 202 Step-3' Graph: 32 vertices and 115 arcs (0.00s) Step-4' Graph: 29 vertices and 109 arcs (0.00s) #V4/#V3 = 0.91 #A4/#A3 = 0.95 Ready! (0.00s) Optimize a model with 39 rows, 110 columns and 285 nonzeros Presolve removed 11 rows and 19 columns Presolve time: 0.00s Presolved: 28 rows, 91 columns, 248 nonzeros Variable types: 0 continuous, 91 integer (0 binary) Found heuristic solution: objective 1000.0000000 Found heuristic solution: objective 983.0000000 Found heuristic solution: objective 883.0000000 Optimize a model with 28 rows, 91 columns and 248 nonzeros Presolved: 28 rows, 91 columns, 248 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.420e+02 Factor NZ : 3.340e+02 Factor Ops : 4.834e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.82611840e+03 -4.68190328e+03 3.30e+03 2.22e-16 1.12e+02 0s 1 9.39888657e+02 -1.49711048e+03 2.53e+02 3.33e-16 1.72e+01 0s 2 7.48018357e+02 2.43612343e+00 3.01e+00 4.72e-16 4.00e+00 0s 3 5.98739748e+02 5.11891802e+02 4.79e-02 3.33e-16 4.62e-01 0s 4 5.69287450e+02 5.61551685e+02 2.00e-03 2.22e-16 4.12e-02 0s 5 5.67501931e+02 5.67493218e+02 1.73e-07 3.30e-16 4.63e-05 0s 6 5.67500000e+02 5.67500000e+02 1.14e-13 2.22e-16 4.68e-11 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 5.67500000e+02 Root relaxation: objective 5.675000e+02, 36 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 567.50000 0 2 883.00000 567.50000 35.7% - 0s H 0 0 568.0000000 567.50000 0.09% - 0s Explored 0 nodes (54 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 5.680000000000e+02, best bound 5.680000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 568 Solution: 17 x [8, 9] 96 x [2, 8] 64 x [4] 64 x [1, 4] 52 x [2, 4] 71 x [6] 98 x [3, 6] 35 x [6, 7] 45 x [5, 10] 1 x [10] 25 x [10, 10]