Build (method = -2) #dp: 6615 Step-3' Graph: 96 vertices and 1210 arcs (0.03s) Step-4' Graph: 96 vertices and 1210 arcs (0.03s) #V4/#V3 = 1.00 #A4/#A3 = 1.00 Ready! (0.03s) Optimize a model with 136 rows, 1211 columns and 3493 nonzeros Presolve removed 16 rows and 16 columns Presolve time: 0.01s Presolved: 120 rows, 1195 columns, 3452 nonzeros Variable types: 0 continuous, 1195 integer (76 binary) Found heuristic solution: objective 1421.0000000 Found heuristic solution: objective 1353.0000000 Optimize a model with 120 rows, 1195 columns and 3452 nonzeros Presolved: 120 rows, 1195 columns, 3452 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 2.251e+03 Factor NZ : 4.370e+03 Factor Ops : 2.062e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.56061922e+04 -4.42863459e+04 5.63e+04 1.44e-01 4.39e+02 0s 1 6.75703658e+03 -3.21925491e+04 8.47e+03 7.77e-16 7.49e+01 0s 2 1.87369750e+03 -1.34968477e+04 4.19e+02 1.33e-15 8.66e+00 0s 3 1.46996104e+03 -3.17805910e+03 6.50e+01 5.55e-15 2.10e+00 0s 4 1.26206028e+03 -1.26301165e+03 1.31e+01 2.66e-15 1.07e+00 0s 5 1.10401924e+03 1.06570911e+02 6.72e+00 6.66e-16 4.22e-01 0s 6 9.45630057e+02 3.67632546e+02 2.99e+00 5.55e-16 2.43e-01 0s 7 8.62971235e+02 4.77173588e+02 1.66e+00 5.55e-16 1.62e-01 0s 8 8.09264384e+02 6.16627677e+02 8.47e-01 2.22e-16 8.05e-02 0s 9 7.92050267e+02 7.00014907e+02 6.15e-01 2.26e-16 3.86e-02 0s 10 7.57444970e+02 7.38849558e+02 1.34e-01 3.44e-16 7.77e-03 0s 11 7.47029325e+02 7.43386157e+02 9.47e-03 2.22e-16 1.51e-03 0s 12 7.45641557e+02 7.45474289e+02 2.07e-04 2.22e-16 6.93e-05 0s 13 7.45571447e+02 7.45571423e+02 5.31e-08 2.22e-16 9.86e-09 0s 14 7.45571429e+02 7.45571429e+02 7.96e-13 1.91e-16 1.05e-14 0s Barrier solved model in 14 iterations and 0.02 seconds Optimal objective 7.45571429e+02 Root relaxation: objective 7.455714e+02, 266 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 745.57143 0 17 1353.00000 745.57143 44.9% - 0s H 0 0 746.0000000 745.57143 0.06% - 0s Explored 0 nodes (493 simplex iterations) in 0.06 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 7.460000000000e+02, best bound 7.460000000000e+02, gap 0.0% Preprocessing time: 0.04 seconds Gurobi run time: 0.06 seconds Total run time: 0.10 seconds Objective: 746 Solution: 48 x [35] 70 x [31] 18 x [40] 19 x [26, 40] 15 x [10, 26, 40] 34 x [10, 16, 40] 3 x [21] 6 x [14] 21 x [14, 20] 34 x [8] 9 x [8, 20] 33 x [8, 33] 15 x [19] 41 x [13, 19] 1 x [19, 23] 9 x [24, 39] 28 x [9, 39] 16 x [17, 24] 27 x [4, 15] 8 x [4, 11] 11 x [4, 24, 29] 7 x [2, 4] 11 x [4, 12] 32 x [36, 37] 34 x [34, 37] 14 x [25, 32] 18 x [2, 12, 25] 1 x [1, 2, 25] 17 x [1, 1, 25] 45 x [3, 38] 9 x [3, 32] 4 x [28, 28] 5 x [12, 22, 27] 18 x [6, 7, 18] 14 x [6, 7, 34] 17 x [7, 34, 34] 1 x [1, 7] 5 x [12, 22, 30] 2 x [24, 30, 30] 10 x [5, 12, 22] 16 x [5, 32, 34]