Analysing (-160*w1*y2*x1-160*w1*y2*x2+77*k1*z1*y1+160*y2*x1-77*z1*y1-77*z2*y1+160*w1*y2+160*y1)/160 for the parameter intervals below:
0.7, 0.9939925484883126, 0.9999972016303166, 51, 146.24
0.71, 0.9938333298396999, 0.9999972016066345, 51, 296.701
0.72, 0.993674456251256, 0.9999972015669527, 51, 441.655
0.73, 0.9935089124161107, 0.9999972015392437, 51, 586.57
0.74, 0.9933361425163844, 0.9999972016652128, 51, 735.702
0.75, 0.9931598402357664, 0.9999972014405286, 51, 881.729
0.76, 0.9929663418724765, 0.9999998600048094, 51, 1032.225
0.77, 0.9927951932994917, 0.9999972013623812, 51, 1181.92
0.78, 0.9925589911630133, 0.9999998600045219, 51, 1329.801
0.79, 0.9923388562083197, 0.9999998600043181, 51, 1481.012
0.8, 0.9921061871488445, 0.9999998600040588, 51, 1630.355
0.81, 0.991859575735885, 0.9999998600037374, 51, 1779.651
0.8200000000000001, 0.9915973723524144, 0.9999998600033544, 51, 1926.741
0.8300000000000001, 0.9913591022380659, 0.9999998600031044, 51, 2077.829
0.8400000000000001, 0.9910180211722188, 0.9999998600029336, 51, 2227.757
0.8500000000000001, 0.9906949376934645, 0.9999998600028274, 51, 2380.184
0.8600000000000001, 0.9903465972466045, 0.9999998600028691, 51, 2548.952
0.8700000000000001, 0.9900119418478174, 0.9999998600027219, 51, 2700.642
0.8800000000000001, 0.989589084814868, 0.9999998600024448, 51, 2850.337
0.8900000000000001, 0.9890972855652199, 0.9999998600024443, 51, 3000.706
0.9000000000000001, 0.9885897066520634, 0.9999998600023493, 51, 3174.153
0.9100000000000001, 0.9880193307691575, 0.9999977605395945, 51, 3325.874
0.9200000000000002, 0.9873700604097836, 0.9999977605211194, 51, 3474.419
0.9300000000000002, 0.9866189621513964, 0.9999977604915482, 51, 3655.359
0.9400000000000002, 0.9857957422289775, 0.999997760473753, 51, 3812.345
0.9500000000000002, 0.9846546101629204, 0.9999972006769285, 51, 3967.995
0.9600000000000002, 0.983294489144333, 0.9999972006253502, 51, 4149.356
0.9700000000000002, 0.9814725923398896, 0.9999972005721187, 51, 4309.199
0.9800000000000002, 0.978772628869568, 0.9999972005078323, 51, 4494.85
0.9900000000000002, 0.9739209159612188, 0.9999977603050375, 51, 4710.459

Analysing (160*y2*x1 - 77*z1*y1 - 77*z2*y1 + 160*y1)/160 for the parameter intervals below:
0.7, 0.660453908251914, 0.7200147419809484, 69, 177.071
0.71, 0.6595440232458043, 0.7204074759555312, 51, 307.669
0.72, 0.6607337054560828, 0.7192888864664557, 62, 467.023
0.73, 0.6601276057591351, 0.7201178543736604, 80, 672.475
0.74, 0.655847748166851, 0.7240691871645479, 54, 811.559
0.75, 0.6530679398327134, 0.7259840998534303, 54, 951.429
0.76, 0.6562330237853272, 0.7233833641033206, 61, 1108.206
0.77, 0.6567565362799173, 0.7231213946727174, 54, 1247.182
0.78, 0.6541014599929112, 0.7249693085167428, 66, 1417.628
0.79, 0.651540560344179, 0.7273676506076585, 51, 1549.615
0.8, 0.6462522407808231, 0.733127405606426, 51, 1681.687
0.81, 0.6515595567337873, 0.728681513967884, 68, 1857.003
0.8200000000000001, 0.6523919923981937, 0.7274514256070815, 52, 1990.689
0.8300000000000001, 0.6496395716816955, 0.7296489356738967, 57, 2137.413
0.8400000000000001, 0.6483541678393661, 0.7319443651795172, 64, 2302.759
0.8500000000000001, 0.6470045963721589, 0.7331762642869698, 51, 2434.294
0.8600000000000001, 0.6455052343880738, 0.7343227292634313, 51, 2566.182
0.8700000000000001, 0.6453251565634598, 0.7346426247750143, 62, 2726.287
0.8800000000000001, 0.6438399005250317, 0.7354577204566151, 73, 2914.432
0.8900000000000001, 0.6434608804380283, 0.7359378526268153, 96, 3160.99
0.9000000000000001, 0.6414969742424997, 0.737892445519958, 82, 3373.441
0.9100000000000001, 0.6360008967387026, 0.7430878029834598, 51, 3504.515
0.9200000000000002, 0.6348721065920047, 0.7431284999016056, 51, 3636.118
0.9300000000000002, 0.6317414584739642, 0.7468333571187994, 91, 3871.614
0.9400000000000002, 0.629245409112737, 0.7509985050207593, 51, 4003.563
0.9500000000000002, 0.6265763712643585, 0.7522324461633569, 55, 4145.532
0.9600000000000002, 0.6205556857727238, 0.7573347784892435, 51, 4278.097
0.9700000000000002, 0.6155164270564625, 0.7623434661255586, 51, 4410.537
0.9800000000000002, 0.6058905970336026, 0.7714389314578873, 57, 4558.061
0.9900000000000002, 0.595552167078382, 0.7819967362958256, 95, 4805.366

Analysing (508*y1 + 385*y1*z3 + 1000*x1*y2 + 1000*y2*x3*w1)/1000 for the parameter intervals below:
0.7, 0.9003025116802402, 0.9233366900861179, 80, 214.2
0.71, 0.899576539454142, 0.9235100704694905, 51, 351.524
0.72, 0.8973014732344948, 0.923595666951436, 51, 488.178
0.73, 0.8987944798581444, 0.9245295692742324, 51, 623.889
0.74, 0.8980289135378563, 0.9244784917061851, 51, 760.828
0.75, 0.89805275590066, 0.9238682884250164, 51, 898.484
0.76, 0.8954923243071153, 0.9269988059351153, 51, 1039.106
0.77, 0.8974048923439548, 0.9236861310822354, 51, 1175.752
0.78, 0.8926399826862593, 0.925980072336767, 51, 1313.213
0.79, 0.8956818736452383, 0.9264115772294148, 68, 1495.371
0.8, 0.8950543066940883, 0.927211788667315, 51, 1632.132
0.81, 0.8955587966420082, 0.9264114996959736, 51, 1769.411
0.8200000000000001, 0.8952171592858753, 0.9253247357864943, 51, 1906.797
0.8300000000000001, 0.8911166183854397, 0.9262716014386283, 51, 2045.225
0.8400000000000001, 0.8930050062503632, 0.9268273004717134, 51, 2183.986
0.8500000000000001, 0.89358394249088, 0.9275495581499953, 51, 2321.394
0.8600000000000001, 0.8922616924799336, 0.9277350994181952, 51, 2462.456
0.8700000000000001, 0.8910873324046087, 0.9274503564130832, 51, 2602.76
0.8800000000000001, 0.8899461996301034, 0.9284426687618345, 51, 2743.003
0.8900000000000001, 0.8879316519959446, 0.9318964782500064, 51, 2885.925
0.9000000000000001, 0.8878406194479771, 0.9309374480637451, 51, 3026.509
0.9100000000000001, 0.8883049970266729, 0.9308339093558926, 51, 3170.187
0.9200000000000002, 0.8871820375346378, 0.9319384816663594, 51, 3311.011
0.9300000000000002, 0.8850045449886357, 0.9320464358405771, 51, 3452.396
0.9400000000000002, 0.8838162808457526, 0.9331931342012811, 51, 3593.567
0.9500000000000002, 0.8811559295989967, 0.9354549875632839, 51, 3734.786
0.9600000000000002, 0.8791009996691015, 0.9358639649979448, 51, 3877.617
0.9700000000000002, 0.8760817007765975, 0.9383735514279457, 51, 4019.523
0.9800000000000002, 0.8708545693691843, 0.9408556568856952, 51, 4164.368
0.9900000000000002, 0.8637156454050197, 0.9448469003433535, 51, 4310.196

Analysing (-160*y2*x1 - 160*y2*x2 + 308*z1*y1 + 497*y1 + 320*y2)/160 for the parameter intervals below:
0.8, 2.2039931165969517, 2.4243092779118496, 90, 235.222
0.81, 2.2005929812114, 2.428475087535957, 74, 422.895
0.8200000000000001, 2.1970915263930566, 2.4305162500303554, 130, 754.483
0.8300000000000001, 2.1862654021204806, 2.444023988105857, 85, 970.222
0.8400000000000001, 2.17965751937063, 2.448936883544567, 78, 1170.758
0.8500000000000001, 2.1855827976381828, 2.4439569368640486, 120, 1482.837
0.8600000000000001, 2.180750056030427, 2.4479640908652556, 89, 1712.458
0.8700000000000001, 2.1697530312766857, 2.459102194154499, 79, 1916.53
0.8800000000000001, 2.1541452798369365, 2.479795181035902, 52, 2052.279
0.8900000000000001, 2.160147209142851, 2.473287529875912, 68, 2227.574
0.9000000000000001, 2.159335088783849, 2.4706213335516725, 116, 2526.481
0.9100000000000001, 2.1462237041502905, 2.4888564122211743, 71, 2708.077
0.9200000000000002, 2.140891940636524, 2.490004571636545, 59, 2860.893
0.9300000000000002, 2.1392072549243943, 2.4918418286637958, 134, 3210.344
0.9400000000000002, 2.118775570193398, 2.516757053805363, 55, 3352.781
0.9500000000000002, 2.121022564385709, 2.5137393070134184, 86, 3577.088
0.9600000000000002, 2.1127752182042623, 2.524917572436019, 106, 3851.902
0.9700000000000002, 2.0920522365619734, 2.546434551172898, 147, 4237.945
0.9800000000000002, 2.065467213949481, 2.576863690715323, 68, 4415.533
0.9900000000000002, 2.015975229142889, 2.632150554968759, 74, 4604.072

Analysing (-640*y2*x1 - 640*y2*x2 + 539*z1*y1 + 640*y2)/16 for the parameter intervals below:
0.8, 12.472137871006122, 15.514192175561021, 108, 279.752
0.81, 12.247398395031707, 15.727054846020678, 65, 446.832
0.8200000000000001, 12.324268917318465, 15.676814416210075, 190, 940.658
0.8300000000000001, 12.079906446727387, 15.875850083058515, 53, 1078.692
0.8400000000000001, 12.267214043224067, 15.728099083493975, 89, 1311.595
0.8500000000000001, 12.092949816741365, 15.850937082350706, 146, 1695.979
0.8600000000000001, 11.931858665123645, 15.988910092408137, 99, 1960.301
0.8700000000000001, 11.912214730547014, 16.02557227839916, 124, 2288.633
0.8800000000000001, 12.02011218971258, 15.938261409951306, 58, 2441.189
0.8900000000000001, 11.728455841552282, 16.14824425559503, 156, 2850.659
0.9000000000000001, 11.644946367189089, 16.397264642171788, 93, 3098.231
0.9100000000000001, 11.60726957396708, 16.389062343478304, 109, 3391.741
0.9200000000000002, 11.481155045464387, 16.452377604727346, 79, 3603.427
0.9300000000000002, 11.376569503131844, 16.465761660798226, 102, 3870.791
0.9400000000000002, 11.408005818205314, 16.519326194818, 83, 4088.869
0.9500000000000002, 11.100554689275508, 16.880808787486373, 102, 4358.264
0.9600000000000002, 10.943861479040851, 16.99554234755032, 148, 4758.162
0.9700000000000002, 10.764239359151887, 17.189106474315174, 86, 4988.349
0.9800000000000002, 10.331847056918718, 17.557619238975143, 77, 5196.257
0.9900000000000002, 9.697495182781584, 18.089963832621997, 59, 5357.862