Build (method = -2) #dp: 99 Step-3' Graph: 28 vertices and 77 arcs (0.00s) Step-4' Graph: 16 vertices and 53 arcs (0.00s) #V4/#V3 = 0.57 #A4/#A3 = 0.69 Ready! (0.00s) Optimize a model with 26 rows, 54 columns and 134 nonzeros Presolve removed 7 rows and 8 columns Presolve time: 0.00s Presolved: 19 rows, 46 columns, 117 nonzeros Variable types: 0 continuous, 46 integer (0 binary) Found heuristic solution: objective 513.0000000 Optimize a model with 19 rows, 46 columns and 117 nonzeros Presolved: 19 rows, 46 columns, 117 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 7.000e+01 Factor NZ : 1.900e+02 Factor Ops : 2.470e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.58908491e+03 -5.42776030e+03 2.27e+03 1.11e-16 2.76e+02 0s 1 1.10111110e+03 -1.54731816e+03 3.58e+02 4.44e-16 4.79e+01 0s 2 5.40513001e+02 -3.08883822e+01 1.24e+01 2.20e-14 6.15e+00 0s 3 4.14636542e+02 2.81883749e+02 4.78e-01 3.66e-15 1.36e+00 0s 4 3.77105791e+02 3.58778360e+02 1.22e-02 2.88e-16 1.87e-01 0s 5 3.73000774e+02 3.69831149e+02 4.35e-03 4.44e-16 3.24e-02 0s 6 3.72554001e+02 3.72451696e+02 2.98e-05 1.90e-16 1.04e-03 0s 7 3.72500004e+02 3.72499997e+02 1.63e-09 2.70e-16 7.36e-08 0s 8 3.72500000e+02 3.72500000e+02 1.40e-11 3.13e-16 7.36e-11 0s Barrier solved model in 8 iterations and 0.00 seconds Optimal objective 3.72500000e+02 Root relaxation: objective 3.725000e+02, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 372.50000 0 9 513.00000 372.50000 27.4% - 0s H 0 0 374.0000000 372.50000 0.40% - 0s H 0 0 373.0000000 372.50000 0.13% - 0s Explored 0 nodes (16 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 3.730000000000e+02, best bound 3.730000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 373 Solution: 1 x [1] 28 x [1, 8] 12 x [1, 9] 87 x [2, 6] 60 x [2, 7] 2 x [2, 9] 15 x [2, 10] 33 x [3, 5, 10] 47 x [4, 5, 8] 51 x [5, 8, 9, 10] 36 x [6, 7, 8, 10] 1 x [7, 8, 10]