Build (method = -2) #dp: 2039 Step-3' Graph: 382 vertices and 1139 arcs (0.02s) Step-4' Graph: 172 vertices and 719 arcs (0.02s) #V4/#V3 = 0.45 #A4/#A3 = 0.63 Ready! (0.02s) Optimize a model with 212 rows, 720 columns and 1820 nonzeros Presolve removed 37 rows and 59 columns Presolve time: 0.01s Presolved: 175 rows, 661 columns, 1713 nonzeros Variable types: 0 continuous, 661 integer (0 binary) Found heuristic solution: objective 1699.0000000 Optimize a model with 175 rows, 661 columns and 1713 nonzeros Presolved: 175 rows, 661 columns, 1713 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.140e+03 Factor NZ : 4.200e+03 Factor Ops : 1.222e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.57697204e+03 -6.44563573e+04 8.49e+04 2.22e-16 3.16e+02 0s 1 3.72163467e+03 -2.89349282e+04 1.49e+04 1.11e-15 6.37e+01 0s 2 2.14989938e+03 -8.17078926e+03 1.80e+03 1.33e-15 1.13e+01 0s 3 1.82428470e+03 -1.64352905e+03 2.17e+02 1.07e-14 2.86e+00 0s 4 1.64728245e+03 -3.16368447e+02 1.04e+01 5.77e-15 1.48e+00 0s 5 1.55376312e+03 2.01479481e+02 5.38e+00 4.22e-15 1.01e+00 0s 6 1.43136047e+03 9.96642840e+02 1.99e+00 1.11e-15 3.26e-01 0s 7 1.33759994e+03 1.18623505e+03 4.15e-01 4.44e-16 1.13e-01 0s 8 1.31849077e+03 1.30965570e+03 4.55e-13 4.09e-16 6.59e-03 0s 9 1.31700152e+03 1.31699257e+03 1.36e-12 3.33e-16 6.67e-06 0s 10 1.31700000e+03 1.31699999e+03 3.61e-12 3.28e-16 6.67e-09 0s 11 1.31700000e+03 1.31700000e+03 1.53e-12 2.22e-16 6.94e-15 0s Barrier solved model in 11 iterations and 0.01 seconds Optimal objective 1.31700000e+03 Root relaxation: objective 1.317000e+03, 311 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 1317.0000000 1317.00000 0.0% - 0s Explored 0 nodes (497 simplex iterations) in 0.03 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.317000000000e+03, best bound 1.317000000000e+03, gap 0.0% Preprocessing time: 0.03 seconds Gurobi run time: 0.03 seconds Total run time: 0.06 seconds Objective: 1317 Solution: 96 x [6] 89 x [30] 95 x [39] 1 x [20] 42 x [4] 3 x [40] 13 x [16, 40] 59 x [38, 40] 62 x [1, 9] 6 x [27] 26 x [3, 27] 2 x [31] 11 x [31, 34] 3 x [2] 10 x [2, 34] 26 x [23] 2 x [23, 33] 7 x [1, 5, 23] 50 x [5, 23] 10 x [23, 34] 31 x [14] 49 x [14, 29] 2 x [14, 34] 20 x [12] 63 x [12, 13] 1 x [12, 34] 23 x [3, 24] 8 x [24, 34] 32 x [7, 37] 11 x [7, 19] 26 x [7, 35] 2 x [7, 34] 2 x [8] 17 x [8, 25] 34 x [8, 13] 33 x [8, 16] 16 x [10, 36] 54 x [22, 36] 1 x [15] 40 x [10, 15] 14 x [3, 15] 7 x [15, 16] 44 x [21, 26] 7 x [17, 21] 15 x [5, 11, 19, 21] 19 x [11, 19, 21] 1 x [28] 26 x [17, 28] 10 x [17, 28, 32] 9 x [18] 2 x [17, 18] 19 x [11, 17, 18] 23 x [3, 18] 40 x [16, 18, 38] 3 x [11, 18]