Build (method = -2) #dp: 6327 Step-3' Graph: 1656 vertices and 4961 arcs (0.10s) Step-4' Graph: 135 vertices and 1919 arcs (0.11s) #V4/#V3 = 0.08 #A4/#A3 = 0.39 Ready! (0.11s) Optimize a model with 220 rows, 1920 columns and 5494 nonzeros Presolve removed 4 rows and 30 columns Presolve time: 0.01s Presolved: 216 rows, 1890 columns, 5432 nonzeros Variable types: 0 continuous, 1890 integer (0 binary) Optimize a model with 216 rows, 1890 columns and 5432 nonzeros Presolved: 216 rows, 1890 columns, 5432 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 2.843e+03 Factor NZ : 7.099e+03 Factor Ops : 3.253e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.77546402e+09 -1.39227509e+10 8.95e+10 2.22e-16 5.06e+07 0s 1 1.76045384e+09 -4.35042017e+09 1.38e+10 9.99e-16 8.28e+06 0s 2 2.89783409e+08 -1.24883476e+09 1.59e+09 2.22e-15 1.12e+06 0s 3 9.03147918e+07 -4.67633787e+08 9.56e+07 5.00e-15 1.77e+05 0s 4 6.01310048e+07 -1.31953656e+08 1.65e+07 2.22e-15 5.35e+04 0s 5 4.96440339e+07 -2.34107034e+07 7.32e+06 7.77e-16 2.00e+04 0s 6 4.32566733e+07 1.65221980e+07 6.88e+05 5.20e-16 6.99e+03 0s 7 4.23166991e+07 2.94134579e+07 3.68e+05 4.44e-16 3.37e+03 0s 8 4.06350836e+07 3.62207146e+07 2.31e+04 6.66e-16 1.15e+03 0s 9 4.03057122e+07 3.80054770e+07 8.92e+03 5.55e-16 5.97e+02 0s 10 4.01143324e+07 3.93196783e+07 1.07e+03 4.44e-16 2.06e+02 0s 11 4.00402081e+07 3.98946713e+07 2.32e+02 4.46e-16 3.77e+01 0s 12 4.00180380e+07 3.99476577e+07 9.54e+01 3.81e-16 1.82e+01 0s 13 4.00049367e+07 3.99848718e+07 2.14e+01 4.61e-16 5.20e+00 0s 14 4.00002166e+07 3.99994520e+07 4.68e-01 5.09e-16 1.98e-01 0s 15 4.00000000e+07 3.99999999e+07 1.83e-05 6.80e-10 2.31e-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, 1827 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 (1827 simplex iterations) in 0.11 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: 0.12 seconds Gurobi run time: 0.11 seconds Total run time: 0.23 seconds Objective: 40000000 Solution: 1000000 x [1, 84, 85] 2000000 x [2, 83, 85] 500000 x [3, 81, 84] 500000 x [3, 82, 83] 1000000 x [4, 79, 84] 250000 x [5, 76, 84] 750000 x [5, 77, 83] 1000000 x [6, 77, 80] 500000 x [7, 74, 85] 500000 x [7, 78, 79] 1000000 x [8, 72, 85] 500000 x [8, 73, 84] 250000 x [8, 74, 83] 250000 x [8, 76, 79] 500000 x [9, 68, 78] 500000 x [9, 69, 77] 500000 x [10, 57, 73] 750000 x [10, 59, 71] 250000 x [10, 62, 65] 500000 x [10, 63, 64] 750000 x [11, 59, 69] 250000 x [11, 61, 66] 250000 x [12, 54, 74] 250000 x [12, 56, 71] 250000 x [12, 58, 68] 250000 x [12, 60, 65] 750000 x [13, 55, 70] 250000 x [13, 56, 69] 250000 x [14, 50, 85] 750000 x [14, 53, 75] 250000 x [15, 55, 63] 250000 x [15, 58, 61] 500000 x [15, 59, 60] 500000 x [16, 44, 85] 500000 x [16, 52, 65] 500000 x [17, 44, 81] 500000 x [17, 51, 69] 250000 x [18, 45, 77] 1000000 x [18, 51, 67] 750000 x [18, 53, 61] 500000 x [19, 41, 80] 500000 x [19, 43, 77] 750000 x [20, 50, 66] 250000 x [20, 51, 60] 250000 x [21, 44, 75] 500000 x [21, 49, 65] 250000 x [21, 52, 54] 750000 x [22, 35, 85] 750000 x [22, 44, 74] 500000 x [22, 49, 64] 500000 x [23, 39, 76] 250000 x [23, 51, 57] 250000 x [23, 52, 53] 750000 x [24, 32, 84] 500000 x [24, 34, 80] 750000 x [24, 41, 75] 250000 x [25, 32, 83] 500000 x [25, 33, 82] 250000 x [25, 41, 74] 250000 x [26, 30, 83] 750000 x [26, 45, 61] 250000 x [27, 30, 79] 750000 x [27, 42, 62] 250000 x [28, 33, 75] 250000 x [28, 36, 68] 500000 x [28, 39, 63] 1000000 x [29, 35, 69] 500000 x [30, 36, 65] 250000 x [31, 33, 70] 750000 x [31, 37, 63] 500000 x [32, 40, 58] 500000 x [32, 43, 54] 500000 x [34, 38, 56] 250000 x [35, 42, 53] 250000 x [36, 37, 57] 500000 x [38, 47, 48] 500000 x [40, 46, 48] 500000 x [41, 46, 47]