Build (method = -2) #dp: 6703 Step-3' Graph: 1744 vertices and 5225 arcs (0.11s) Step-4' Graph: 134 vertices and 2005 arcs (0.12s) #V4/#V3 = 0.08 #A4/#A3 = 0.38 Ready! (0.12s) Optimize a model with 221 rows, 2006 columns and 5754 nonzeros Presolve removed 4 rows and 35 columns Presolve time: 0.02s Presolved: 217 rows, 1971 columns, 5682 nonzeros Variable types: 0 continuous, 1971 integer (0 binary) Optimize a model with 217 rows, 1971 columns and 5682 nonzeros Presolved: 217 rows, 1971 columns, 5682 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 3.109e+03 Factor NZ : 7.386e+03 Factor Ops : 3.594e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.60517687e+09 -1.51326405e+10 9.65e+10 2.22e-16 5.30e+07 0s 1 1.90791880e+09 -4.56329851e+09 1.43e+10 1.61e-15 8.36e+06 0s 2 2.84395385e+08 -1.26233743e+09 1.35e+09 4.77e-15 9.84e+05 0s 3 1.15227031e+08 -4.53665622e+08 2.12e+08 5.22e-15 2.10e+05 0s 4 6.99697205e+07 -1.69362061e+08 3.31e+07 2.11e-15 6.77e+04 0s 5 5.22193366e+07 -6.09392471e+07 1.19e+07 1.34e-15 3.03e+04 0s 6 4.64802706e+07 1.56451048e+07 5.79e+06 1.33e-15 8.16e+03 0s 7 4.26491177e+07 2.89222952e+07 1.63e+06 1.49e-15 3.51e+03 0s 8 4.08530745e+07 3.72674352e+07 2.57e+05 1.62e-15 9.04e+02 0s 9 4.03748909e+07 3.89657325e+07 9.89e+04 1.46e-15 3.55e+02 0s 10 4.01352288e+07 3.95660010e+07 2.30e+04 1.19e-15 1.43e+02 0s 11 4.00385267e+07 3.98990241e+07 4.28e+03 1.17e-15 3.49e+01 0s 12 4.00116674e+07 3.99472517e+07 1.02e+03 1.53e-15 1.61e+01 0s 13 4.00054254e+07 3.99870267e+07 4.33e+02 1.36e-15 4.59e+00 0s 14 4.00001400e+07 3.99996947e+07 8.50e+00 1.33e-15 1.11e-01 0s 15 4.00000000e+07 3.99999998e+07 4.06e-04 6.55e-10 5.62e-05 0s Barrier solved model in 15 iterations and 0.02 seconds Optimal objective 4.00000000e+07 Warning: Markowitz tolerance tightened to 0.25 Root relaxation: objective 4.000000e+07, 1912 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 4.000000e+07 4.0000e+07 0.0% - 0s Explored 0 nodes (2126 simplex iterations) in 0.13 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 4.000000000000e+07, best bound 4.000000000000e+07, gap 0.0% Preprocessing time: 0.13 seconds Gurobi run time: 0.13 seconds Total run time: 0.26 seconds Objective: 40000000 Solution: 100000 x [1, 80, 87] 200000 x [1, 81, 86] 100000 x [1, 82, 85] 600000 x [1, 83, 84] 100000 x [2, 69, 87] 900000 x [2, 74, 82] 1000000 x [3, 77, 78] 1000000 x [4, 74, 79] 1000000 x [5, 73, 76] 600000 x [6, 66, 81] 400000 x [6, 69, 78] 100000 x [7, 66, 79] 900000 x [7, 69, 75] 800000 x [8, 62, 86] 200000 x [8, 65, 79] 1000000 x [8, 68, 74] 1000000 x [9, 70, 71] 1000000 x [10, 62, 82] 1000000 x [11, 59, 83] 800000 x [12, 59, 80] 200000 x [12, 60, 79] 1000000 x [13, 56, 83] 1000000 x [14, 61, 64] 400000 x [15, 48, 83] 100000 x [15, 50, 80] 300000 x [15, 53, 78] 200000 x [15, 59, 65] 200000 x [16, 50, 76] 800000 x [16, 56, 66] 500000 x [17, 43, 87] 500000 x [17, 47, 79] 200000 x [18, 58, 63] 800000 x [18, 60, 61] 1000000 x [19, 46, 78] 200000 x [20, 43, 81] 800000 x [20, 51, 67] 200000 x [21, 50, 67] 800000 x [21, 52, 66] 700000 x [22, 49, 69] 300000 x [22, 53, 65] 900000 x [23, 47, 69] 100000 x [23, 50, 66] 600000 x [24, 40, 87] 200000 x [24, 43, 75] 200000 x [24, 48, 66] 100000 x [25, 43, 74] 300000 x [25, 49, 65] 600000 x [25, 57, 58] 1000000 x [26, 54, 62] 100000 x [27, 36, 87] 900000 x [27, 37, 85] 400000 x [28, 36, 84] 200000 x [28, 47, 62] 200000 x [28, 48, 61] 200000 x [28, 53, 58] 1000000 x [29, 38, 79] 800000 x [29, 45, 63] 200000 x [29, 53, 57] 600000 x [30, 32, 87] 300000 x [30, 36, 78] 900000 x [30, 37, 75] 200000 x [30, 51, 56] 1000000 x [31, 33, 83] 800000 x [31, 35, 76] 1000000 x [31, 37, 72] 200000 x [31, 47, 57] 400000 x [32, 40, 66] 1000000 x [34, 37, 64] 200000 x [35, 48, 50] 200000 x [36, 47, 50] 200000 x [37, 45, 52] 1000000 x [39, 42, 55] 1000000 x [41, 44, 45]