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:
0.85, 0.9967423682295017, 0.9999972033498236, 51, 142.798
0.86, 0.9966539501490371, 0.9999972034638641, 51, 286.214
0.87, 0.996564989039216, 0.9999972033597131, 51, 431.429
0.88, 0.9964683097850734, 0.9999972032532989, 51, 576.036
0.89, 0.9963615957901353, 0.9999972031400489, 51, 720.369
0.9, 0.9962456815562678, 0.9999972030264905, 51, 865.127
0.91, 0.9961154337215666, 0.9999972029061792, 51, 1008.601
0.92, 0.9959763582395064, 0.9999972027211366, 51, 1152.621
0.93, 0.9957998092469716, 0.9999972026647496, 51, 1297.28
0.9400000000000001, 0.9956026378932202, 0.999997202530215, 51, 1442.069
0.9500000000000001, 0.9953658114918175, 0.9999972023788115, 51, 1588.198
0.9600000000000001, 0.9950704911603253, 0.9999972022376378, 51, 1733.137
0.9700000000000001, 0.9946806761788209, 0.9999972020589222, 51, 1879.631
0.9800000000000001, 0.994113525649097, 0.9999972019219593, 51, 2026.083
0.9900000000000001, 0.9930949397521958, 0.9999972015640695, 51, 2171.934

Analysing (160*y2*x1 - 77*z1*y1 - 77*z2*y1 + 160*y1)/160 for the parameter intervals below:
0.85, 0.6805199409250331, 0.7188505627533155, 51, 131.451
0.86, 0.6808747703589075, 0.7183615590280557, 51, 261.484
0.87, 0.6779679598605581, 0.7215665635000177, 51, 391.618
0.88, 0.6794239182877329, 0.7198844215910721, 51, 521.631
0.89, 0.6780201315278143, 0.721149231358831, 51, 651.566
0.9, 0.6763317379002366, 0.7227126612767615, 51, 781.941
0.91, 0.6767832027292405, 0.7223726951404609, 51, 911.971
0.92, 0.6744687010282095, 0.7244175889620512, 51, 1042.35
0.93, 0.6741285351648985, 0.725073719192104, 97, 1289.985
0.9400000000000001, 0.672285589379877, 0.7266675562722802, 51, 1419.82
0.9500000000000001, 0.6715684225885723, 0.7272125213811081, 51, 1549.736
0.9600000000000001, 0.6702525799785295, 0.7287442197025938, 51, 1680.428
0.9700000000000001, 0.6676037658872505, 0.7314479891216353, 59, 1830.756
0.9800000000000001, 0.6620481650382997, 0.7366702898880535, 51, 1961.503
0.9900000000000001, 0.6566207094596878, 0.7418295082532622, 51, 2092.115

Analysing (508*y1 + 385*y1*z3 + 1000*x1*y2 + 1000*y2*x3*w1)/1000 for the parameter intervals below:
0.85, 0.9079968692169063, 0.9238679109007005, 51, 133.488
0.86, 0.9072304536353392, 0.9247918170684502, 51, 267.1
0.87, 0.9082336735310419, 0.9230439282268268, 51, 400.593
0.88, 0.90786343357139, 0.9235790157916499, 51, 534.653
0.89, 0.9070679821191094, 0.9244694225371118, 51, 668.118
0.9, 0.9070236407409311, 0.9241450592626659, 51, 802.099
0.91, 0.9062122478572232, 0.9253921896573982, 51, 936.409
0.92, 0.9063879378627757, 0.9251024328405235, 51, 1070.228
0.93, 0.9053036980395142, 0.9258350623937203, 51, 1204.323
0.9400000000000001, 0.904967221930323, 0.9256346379599751, 51, 1338.393
0.9500000000000001, 0.904148957976157, 0.9266553418871231, 51, 1473.052
0.9600000000000001, 0.9032318128498428, 0.927137371931334, 51, 1607.687
0.9700000000000001, 0.9022898321446258, 0.9278920059485154, 51, 1742.18
0.9800000000000001, 0.9004702778383383, 0.929374707873835, 51, 1877.316
0.9900000000000001, 0.897719571792079, 0.9313493092251408, 51, 2012.807

Analysing (-160*y2*x1 - 160*y2*x2 + 308*z1*y1 + 497*y1 + 320*y2)/160 for the parameter intervals below:
0.85, 2.2459312573752466, 2.3558232045547514, 100, 255.917
0.86, 2.2444944736768395, 2.3575691764153714, 131, 591.413
0.87, 2.2412327623771366, 2.360841502509312, 74, 780.869
0.88, 2.237440401153405, 2.364928840057107, 54, 918.933
0.89, 2.2356257187895614, 2.366541370140089, 56, 1062.402
0.9, 2.233034604356651, 2.369346041532601, 72, 1246.842
0.91, 2.2257488233359517, 2.376085015890171, 52, 1380.191
0.92, 2.226818639610375, 2.3758533103289805, 68, 1554.343
0.93, 2.2200171336791437, 2.3829635915720324, 52, 1687.886
0.9400000000000001, 2.2226101715325597, 2.3803857762496174, 95, 1931.643
0.9500000000000001, 2.214459547133846, 2.38762372245852, 80, 2137.129
0.9600000000000001, 2.2082068876519756, 2.395051933267311, 52, 2270.437
0.9700000000000001, 2.198934335148142, 2.404436367380891, 61, 2427.245
0.9800000000000001, 2.1890339245855173, 2.4146432373615045, 52, 2560.917
0.9900000000000001, 2.1738373564899325, 2.43192232989589, 109, 2841.398

Analysing (-640*y2*x1 - 640*y2*x2 + 539*z1*y1 + 640*y2)/16 for the parameter intervals below:
0.85, 12.640382236573856, 14.269692744225026, 100, 258.639
0.86, 12.611444222192462, 14.310260273082172, 67, 433.147
0.87, 12.595904906986746, 14.321404391848285, 123, 750.91
0.88, 12.569074433708975, 14.342277861062302, 146, 1127.206
0.89, 12.51075842604635, 14.38936981762202, 90, 1359.485
0.9, 12.477247150673332, 14.430510961309057, 108, 1637.851
0.91, 12.442375572161652, 14.461259040303807, 84, 1854.818
0.92, 12.421971502239785, 14.490529463907489, 77, 2054.19
0.93, 12.334233070273523, 14.572243405396621, 93, 2294.04
0.9400000000000001, 12.263236358808376, 14.630220248906092, 111, 2580.188
0.9500000000000001, 12.231075387704243, 14.665754565938819, 139, 2938.539
0.9600000000000001, 12.129672944475207, 14.774966884253153, 88, 3166.016
0.9700000000000001, 11.970699735303679, 14.913909878866475, 70, 3350.062
0.9800000000000001, 11.83820237326086, 15.050535609607342, 122, 3679.019
0.9900000000000001, 11.567873127988001, 15.322074541727186, 107, 3968.648