Build (method = -2) #dp: 544 Step-3' Graph: 14 vertices and 127 arcs (0.00s) Step-4' Graph: 11 vertices and 121 arcs (0.00s) #V4/#V3 = 0.79 #A4/#A3 = 0.95 Ready! (0.00s) Optimize a model with 51 rows, 122 columns and 350 nonzeros Presolve removed 18 rows and 18 columns Presolve time: 0.00s Presolved: 33 rows, 104 columns, 298 nonzeros Variable types: 0 continuous, 104 integer (7 binary) Found heuristic solution: objective 213.0000000 Found heuristic solution: objective 142.0000000 Optimize a model with 33 rows, 104 columns and 298 nonzeros Presolved: 33 rows, 104 columns, 298 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.330e+02 Factor NZ : 3.790e+02 Factor Ops : 5.249e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 9.19467665e+02 -7.38765795e+02 4.23e+02 1.34e-01 2.27e+01 0s 1 2.83605007e+02 -2.62952484e+02 4.77e+01 3.33e-16 3.76e+00 0s 2 1.44868713e+02 5.49640008e+00 6.29e-01 8.88e-16 6.14e-01 0s 3 1.13984620e+02 8.44867425e+01 6.61e-02 3.33e-16 1.28e-01 0s 4 1.04901015e+02 9.71061954e+01 3.72e-03 2.22e-16 3.39e-02 0s 5 1.03005590e+02 1.01932970e+02 1.14e-03 2.55e-16 4.66e-03 0s 6 1.02610564e+02 1.02567941e+02 1.44e-05 3.33e-16 1.85e-04 0s 7 1.02600004e+02 1.02599991e+02 9.62e-11 3.33e-16 5.44e-08 0s 8 1.02600000e+02 1.02600000e+02 2.13e-13 1.16e-16 5.44e-11 0s Barrier solved model in 8 iterations and 0.00 seconds Optimal objective 1.02600000e+02 Root relaxation: objective 1.026000e+02, 54 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 102.60000 0 5 142.00000 102.60000 27.7% - 0s H 0 0 103.0000000 102.60000 0.39% - 0s Explored 0 nodes (76 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.030000000000e+02, best bound 1.030000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 103 Solution: 5 x [10] 6 x [23, 40] 4 x [19, 34] 1 x [2, 40] 3 x [2, 37] 1 x [24, 33] 3 x [15, 20, 33] 1 x [14, 16] 3 x [14, 15, 15] 6 x [12, 30] 7 x [8, 39] 1 x [8, 15, 31] 6 x [1, 24] 1 x [11, 27] 3 x [5, 27] 1 x [11, 26] 3 x [4, 26, 28] 6 x [11, 21] 2 x [22, 32] 1 x [22, 25] 2 x [16, 16, 22] 9 x [13, 18] 1 x [9, 18] 6 x [9, 17] 6 x [3, 7] 3 x [36, 38] 5 x [29, 36] 3 x [6, 29] 2 x [16, 32, 35] 1 x [16, 32] 1 x [16, 32, 32]