FAILURE MAP
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FA-65631 / Ecological population dynamics / Open access

Nicholson-Bailey host-parasitoid generations: parasitoid emergence · case 01

Parasitoids emerge from hosts that escaped attack.

Verified by executionVariant 1 · 7 checks per implementationDownload source bundle ↓JSON ↗

ROOT CAUSE

The attacked fraction is replaced by the escaped fraction.

THE FAILURE

The attacked fraction is replaced by the escaped fraction.

Unsuccessful approach: Emergence scaled by parasitoid numbers ignores the host supply.

Case contract

Escape fraction exp(-a*P); H' = lam*H*escape and P' = c*H*(1-escape) computed from the same generation; equilibrium [lam*ln(lam)/((lam-1)*a*c), ln(lam)/a] rounded 4 when lam>1, a>0, c>0 else None; return [equilibrium, trajectory of [H,P] rounded 4].

Why this case matters

Population projections set harvest quotas, conservation status and pest-control timing; a wrong update order, boundary or rate conversion silently changes management advice.

1 / The failure

Exit 1
"""Failure Map reference implementation. Python standard library only."""
import json
import math
N = 1
observations = []
def solve(lam, a, c, h0, p0, gens):
    if lam <= 1 or a <= 0 or c <= 0:
        eq = None
    else:
        eq = [round(lam * math.log(lam) / ((lam - 1) * a * c), 4), round(math.log(lam) / a, 4)]
    h, p = float(h0), float(p0)
    traj = []
    for _ in range(gens):
        escape = math.exp(-a * p)
        h, p = lam * h * escape, c * h * escape
        traj.append([round(h, 4), round(p, 4)])
    return [eq, traj]
def check(label, actual, expected):
    observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [[('regression: greenhouse whitefly',
   (2.0, 0.05, 1.0, 30, 10, 5),
   [[27.7259, 13.8629],
    [[36.3918, 11.8041], [40.3377, 16.223], [35.848, 22.4138], [23.3768, 24.1595], [13.97, 16.3918]]]),
  ('regression: fecund host',
   (5.0, 0.1, 0.8, 20, 5, 4),
   [[25.1475, 16.0944], [[60.6531, 6.2955], [161.5892, 22.6682], [83.7366, 115.8735], [0.0039, 66.9887]]]),
  ('regression: no parasitoids',
   (1.5, 0.1, 1.0, 10, 0, 4),
   [[12.164, 4.0547], [[15.0, 0.0], [22.5, 0.0], [33.75, 0.0], [50.625, 0.0]]]),
  ('regression: no hosts',
   (2.0, 0.1, 1.0, 0, 10, 3),
   [[13.8629, 6.9315], [[0.0, 0.0], [0.0, 0.0], [0.0, 0.0]]]),
  ('regression: non-growing host',
   (1.0, 0.1, 1.0, 10, 2, 3),
   [None, [[8.1873, 1.8127], [6.8299, 1.3574], [5.963, 0.8669]]]),
  ('regression: inefficient parasitoid',
   (3.0, 0.01, 0.5, 100, 20, 4),
   [[329.5837, 109.8612],
    [[245.6192, 9.0635], [673.01, 10.6413], [1815.2157, 33.969], [3877.2504, 261.3994]]]),
  ('regression: invalid search', (2.0, 0.0, 1.0, 10, 2, 3), [None, [[20.0, 0.0], [40.0, 0.0], [80.0, 0.0]]])],
 [('regression: greenhouse whitefly',
   (2.0, 0.05, 1.0, 30, 10, 5),
   [[27.7259, 13.8629],
    [[36.3918, 11.8041], [40.3377, 16.223], [35.848, 22.4138], [23.3768, 24.1595], [13.97, 16.3918]]]),
  ('regression: fecund host',
   (5.0, 0.1, 0.8, 20, 5, 4),
   [[25.1475, 16.0944], [[60.6531, 6.2955], [161.5892, 22.6682], [83.7366, 115.8735], [0.0039, 66.9887]]]),
  ('regression: no hosts',
   (2.0, 0.1, 1.0, 0, 10, 3),
   [[13.8629, 6.9315], [[0.0, 0.0], [0.0, 0.0], [0.0, 0.0]]]),
  ('regression: non-growing host',
   (1.0, 0.1, 1.0, 10, 2, 3),
   [None, [[8.1873, 1.8127], [6.8299, 1.3574], [5.963, 0.8669]]]),
  ('regression: inefficient parasitoid',
   (3.0, 0.01, 0.5, 100, 20, 4),
   [[329.5837, 109.8612],
    [[245.6192, 9.0635], [673.01, 10.6413], [1815.2157, 33.969], [3877.2504, 261.3994]]]),
  ('regression: invalid search', (2.0, 0.0, 1.0, 10, 2, 3), [None, [[20.0, 0.0], [40.0, 0.0], [80.0, 0.0]]]),
  ('regression: gregarious parasitoid',
   (2.5, 0.03, 2.0, 40, 8, 5),
   [[25.4525, 30.543],
    [[78.6628, 17.0698], [117.8447, 63.0498], [44.4411, 200.1366], [0.2743, 88.6628], [0.048, 0.5102]]])],
 [('regression: greenhouse whitefly',
   (2.0, 0.05, 1.0, 30, 10, 5),
   [[27.7259, 13.8629],
    [[36.3918, 11.8041], [40.3377, 16.223], [35.848, 22.4138], [23.3768, 24.1595], [13.97, 16.3918]]]),
  ('regression: fecund host',
   (5.0, 0.1, 0.8, 20, 5, 4),
   [[25.1475, 16.0944], [[60.6531, 6.2955], [161.5892, 22.6682], [83.7366, 115.8735], [0.0039, 66.9887]]]),
  ('regression: no parasitoids',
   (1.5, 0.1, 1.0, 10, 0, 4),
   [[12.164, 4.0547], [[15.0, 0.0], [22.5, 0.0], [33.75, 0.0], [50.625, 0.0]]]),
  ('regression: no hosts',
   (2.0, 0.1, 1.0, 0, 10, 3),
   [[13.8629, 6.9315], [[0.0, 0.0], [0.0, 0.0], [0.0, 0.0]]]),
  ('regression: non-growing host',
   (1.0, 0.1, 1.0, 10, 2, 3),
   [None, [[8.1873, 1.8127], [6.8299, 1.3574], [5.963, 0.8669]]]),
  ('regression: invalid search', (2.0, 0.0, 1.0, 10, 2, 3), [None, [[20.0, 0.0], [40.0, 0.0], [80.0, 0.0]]]),
  ('regression: gregarious parasitoid',
   (2.5, 0.03, 2.0, 40, 8, 5),
   [[25.4525, 30.543],
    [[78.6628, 17.0698], [117.8447, 63.0498], [44.4411, 200.1366], [0.2743, 88.6628], [0.048, 0.5102]]])],
 [('regression: fecund host',
   (5.0, 0.1, 0.8, 20, 5, 4),
   [[25.1475, 16.0944], [[60.6531, 6.2955], [161.5892, 22.6682], [83.7366, 115.8735], [0.0039, 66.9887]]]),
  ('regression: no parasitoids',
   (1.5, 0.1, 1.0, 10, 0, 4),
   [[12.164, 4.0547], [[15.0, 0.0], [22.5, 0.0], [33.75, 0.0], [50.625, 0.0]]]),
  ('regression: no hosts',
   (2.0, 0.1, 1.0, 0, 10, 3),
   [[13.8629, 6.9315], [[0.0, 0.0], [0.0, 0.0], [0.0, 0.0]]]),
  ('regression: non-growing host',
   (1.0, 0.1, 1.0, 10, 2, 3),
   [None, [[8.1873, 1.8127], [6.8299, 1.3574], [5.963, 0.8669]]]),
  ('regression: inefficient parasitoid',
   (3.0, 0.01, 0.5, 100, 20, 4),
   [[329.5837, 109.8612],
    [[245.6192, 9.0635], [673.01, 10.6413], [1815.2157, 33.969], [3877.2504, 261.3994]]]),
  ('regression: invalid search', (2.0, 0.0, 1.0, 10, 2, 3), [None, [[20.0, 0.0], [40.0, 0.0], [80.0, 0.0]]]),
  ('regression: gregarious parasitoid',
   (2.5, 0.03, 2.0, 40, 8, 5),
   [[25.4525, 30.543],
    [[78.6628, 17.0698], [117.8447, 63.0498], [44.4411, 200.1366], [0.2743, 88.6628], [0.048, 0.5102]]])],
 [('regression: greenhouse whitefly',
   (2.0, 0.05, 1.0, 30, 10, 5),
   [[27.7259, 13.8629],
    [[36.3918, 11.8041], [40.3377, 16.223], [35.848, 22.4138], [23.3768, 24.1595], [13.97, 16.3918]]]),
  ('regression: fecund host',
   (5.0, 0.1, 0.8, 20, 5, 4),
   [[25.1475, 16.0944], [[60.6531, 6.2955], [161.5892, 22.6682], [83.7366, 115.8735], [0.0039, 66.9887]]]),
  ('regression: no parasitoids',
   (1.5, 0.1, 1.0, 10, 0, 4),
   [[12.164, 4.0547], [[15.0, 0.0], [22.5, 0.0], [33.75, 0.0], [50.625, 0.0]]]),
  ('regression: non-growing host',
   (1.0, 0.1, 1.0, 10, 2, 3),
   [None, [[8.1873, 1.8127], [6.8299, 1.3574], [5.963, 0.8669]]]),
  ('regression: inefficient parasitoid',
   (3.0, 0.01, 0.5, 100, 20, 4),
   [[329.5837, 109.8612],
    [[245.6192, 9.0635], [673.01, 10.6413], [1815.2157, 33.969], [3877.2504, 261.3994]]]),
  ('regression: invalid search', (2.0, 0.0, 1.0, 10, 2, 3), [None, [[20.0, 0.0], [40.0, 0.0], [80.0, 0.0]]]),
  ('regression: gregarious parasitoid',
   (2.5, 0.03, 2.0, 40, 8, 5),
   [[25.4525, 30.543],
    [[78.6628, 17.0698], [117.8447, 63.0498], [44.4411, 200.1366], [0.2743, 88.6628], [0.048, 0.5102]]])]]
for label, args, expected in fixtures[N - 1]:
    check(label, solve(*args), expected)
print(json.dumps({"observations": observations, "passed": all(x["passed"] for x in observations)}, ensure_ascii=False))
raise SystemExit(0 if all(x["passed"] for x in observations) else 1)
Boundary fixtureActualExpectedOutcome
regression: greenhouse whitefly[[27.7259, 13.8629], [[36.3918, 18.1959], [29.3032, 14.6516], [28.1702, 14.0851], [27.859, 13.9295], [27.7664, 13.8832]]][[27.7259, 13.8629], [[36.3918, 11.8041], [40.3377, 16.223], [35.848, 22.4138], [23.3768, 24.1595], [13.97, 16.3918]]]Failed
regression: fecund host[[25.1475, 16.0944], [[60.6531, 9.7045], [114.9111, 18.3858], [91.3793, 14.6207], [105.8887, 16.9422]]][[25.1475, 16.0944], [[60.6531, 6.2955], [161.5892, 22.6682], [83.7366, 115.8735], [0.0039, 66.9887]]]Failed
regression: no parasitoids[[12.164, 4.0547], [[15.0, 10.0], [8.2773, 5.5182], [7.1503, 4.7669], [6.6588, 4.4392]]][[12.164, 4.0547], [[15.0, 0.0], [22.5, 0.0], [33.75, 0.0], [50.625, 0.0]]]Failed
regression: no hosts[[13.8629, 6.9315], [[0.0, 0.0], [0.0, 0.0], [0.0, 0.0]]][[13.8629, 6.9315], [[0.0, 0.0], [0.0, 0.0], [0.0, 0.0]]]Passed
regression: non-growing host[None, [[8.1873, 8.1873], [3.6105, 3.6105], [2.5163, 2.5163]]][None, [[8.1873, 1.8127], [6.8299, 1.3574], [5.963, 0.8669]]]Failed
regression: inefficient parasitoid[[329.5837, 109.8612], [[245.6192, 40.9365], [489.3262, 81.5544], [649.4319, 108.2386], [660.0554, 110.0092]]][[329.5837, 109.8612], [[245.6192, 9.0635], [673.01, 10.6413], [1815.2157, 33.969], [3877.2504, 261.3994]]]Failed
regression: invalid search[None, [[20.0, 10.0], [40.0, 20.0], [80.0, 40.0]]][None, [[20.0, 0.0], [40.0, 0.0], [80.0, 0.0]]]Failed

SHA-256 / b0340d1e5848ae0837c13faabe8f790dc8d6a286ef52990477cbf81b1e252ea7

2 / The unsuccessful fix

Exit 1
"""Failure Map reference implementation. Python standard library only."""
import json
import math
N = 1
observations = []
def solve(lam, a, c, h0, p0, gens):
    if lam <= 1 or a <= 0 or c <= 0:
        eq = None
    else:
        eq = [round(lam * math.log(lam) / ((lam - 1) * a * c), 4), round(math.log(lam) / a, 4)]
    h, p = float(h0), float(p0)
    traj = []
    for _ in range(gens):
        escape = math.exp(-a * p)
        h, p = lam * h * escape, c * p * (1 - escape)
        traj.append([round(h, 4), round(p, 4)])
    return [eq, traj]
def check(label, actual, expected):
    observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [[('regression: greenhouse whitefly',
   (2.0, 0.05, 1.0, 30, 10, 5),
   [[27.7259, 13.8629],
    [[36.3918, 11.8041], [40.3377, 16.223], [35.848, 22.4138], [23.3768, 24.1595], [13.97, 16.3918]]]),
  ('regression: fecund host',
   (5.0, 0.1, 0.8, 20, 5, 4),
   [[25.1475, 16.0944], [[60.6531, 6.2955], [161.5892, 22.6682], [83.7366, 115.8735], [0.0039, 66.9887]]]),
  ('regression: no parasitoids',
   (1.5, 0.1, 1.0, 10, 0, 4),
   [[12.164, 4.0547], [[15.0, 0.0], [22.5, 0.0], [33.75, 0.0], [50.625, 0.0]]]),
  ('regression: no hosts',
   (2.0, 0.1, 1.0, 0, 10, 3),
   [[13.8629, 6.9315], [[0.0, 0.0], [0.0, 0.0], [0.0, 0.0]]]),
  ('regression: non-growing host',
   (1.0, 0.1, 1.0, 10, 2, 3),
   [None, [[8.1873, 1.8127], [6.8299, 1.3574], [5.963, 0.8669]]]),
  ('regression: inefficient parasitoid',
   (3.0, 0.01, 0.5, 100, 20, 4),
   [[329.5837, 109.8612],
    [[245.6192, 9.0635], [673.01, 10.6413], [1815.2157, 33.969], [3877.2504, 261.3994]]]),
  ('regression: invalid search', (2.0, 0.0, 1.0, 10, 2, 3), [None, [[20.0, 0.0], [40.0, 0.0], [80.0, 0.0]]])],
 [('regression: greenhouse whitefly',
   (2.0, 0.05, 1.0, 30, 10, 5),
   [[27.7259, 13.8629],
    [[36.3918, 11.8041], [40.3377, 16.223], [35.848, 22.4138], [23.3768, 24.1595], [13.97, 16.3918]]]),
  ('regression: fecund host',
   (5.0, 0.1, 0.8, 20, 5, 4),
   [[25.1475, 16.0944], [[60.6531, 6.2955], [161.5892, 22.6682], [83.7366, 115.8735], [0.0039, 66.9887]]]),
  ('regression: no hosts',
   (2.0, 0.1, 1.0, 0, 10, 3),
   [[13.8629, 6.9315], [[0.0, 0.0], [0.0, 0.0], [0.0, 0.0]]]),
  ('regression: non-growing host',
   (1.0, 0.1, 1.0, 10, 2, 3),
   [None, [[8.1873, 1.8127], [6.8299, 1.3574], [5.963, 0.8669]]]),
  ('regression: inefficient parasitoid',
   (3.0, 0.01, 0.5, 100, 20, 4),
   [[329.5837, 109.8612],
    [[245.6192, 9.0635], [673.01, 10.6413], [1815.2157, 33.969], [3877.2504, 261.3994]]]),
  ('regression: invalid search', (2.0, 0.0, 1.0, 10, 2, 3), [None, [[20.0, 0.0], [40.0, 0.0], [80.0, 0.0]]]),
  ('regression: gregarious parasitoid',
   (2.5, 0.03, 2.0, 40, 8, 5),
   [[25.4525, 30.543],
    [[78.6628, 17.0698], [117.8447, 63.0498], [44.4411, 200.1366], [0.2743, 88.6628], [0.048, 0.5102]]])],
 [('regression: greenhouse whitefly',
   (2.0, 0.05, 1.0, 30, 10, 5),
   [[27.7259, 13.8629],
    [[36.3918, 11.8041], [40.3377, 16.223], [35.848, 22.4138], [23.3768, 24.1595], [13.97, 16.3918]]]),
  ('regression: fecund host',
   (5.0, 0.1, 0.8, 20, 5, 4),
   [[25.1475, 16.0944], [[60.6531, 6.2955], [161.5892, 22.6682], [83.7366, 115.8735], [0.0039, 66.9887]]]),
  ('regression: no parasitoids',
   (1.5, 0.1, 1.0, 10, 0, 4),
   [[12.164, 4.0547], [[15.0, 0.0], [22.5, 0.0], [33.75, 0.0], [50.625, 0.0]]]),
  ('regression: no hosts',
   (2.0, 0.1, 1.0, 0, 10, 3),
   [[13.8629, 6.9315], [[0.0, 0.0], [0.0, 0.0], [0.0, 0.0]]]),
  ('regression: non-growing host',
   (1.0, 0.1, 1.0, 10, 2, 3),
   [None, [[8.1873, 1.8127], [6.8299, 1.3574], [5.963, 0.8669]]]),
  ('regression: invalid search', (2.0, 0.0, 1.0, 10, 2, 3), [None, [[20.0, 0.0], [40.0, 0.0], [80.0, 0.0]]]),
  ('regression: gregarious parasitoid',
   (2.5, 0.03, 2.0, 40, 8, 5),
   [[25.4525, 30.543],
    [[78.6628, 17.0698], [117.8447, 63.0498], [44.4411, 200.1366], [0.2743, 88.6628], [0.048, 0.5102]]])],
 [('regression: fecund host',
   (5.0, 0.1, 0.8, 20, 5, 4),
   [[25.1475, 16.0944], [[60.6531, 6.2955], [161.5892, 22.6682], [83.7366, 115.8735], [0.0039, 66.9887]]]),
  ('regression: no parasitoids',
   (1.5, 0.1, 1.0, 10, 0, 4),
   [[12.164, 4.0547], [[15.0, 0.0], [22.5, 0.0], [33.75, 0.0], [50.625, 0.0]]]),
  ('regression: no hosts',
   (2.0, 0.1, 1.0, 0, 10, 3),
   [[13.8629, 6.9315], [[0.0, 0.0], [0.0, 0.0], [0.0, 0.0]]]),
  ('regression: non-growing host',
   (1.0, 0.1, 1.0, 10, 2, 3),
   [None, [[8.1873, 1.8127], [6.8299, 1.3574], [5.963, 0.8669]]]),
  ('regression: inefficient parasitoid',
   (3.0, 0.01, 0.5, 100, 20, 4),
   [[329.5837, 109.8612],
    [[245.6192, 9.0635], [673.01, 10.6413], [1815.2157, 33.969], [3877.2504, 261.3994]]]),
  ('regression: invalid search', (2.0, 0.0, 1.0, 10, 2, 3), [None, [[20.0, 0.0], [40.0, 0.0], [80.0, 0.0]]]),
  ('regression: gregarious parasitoid',
   (2.5, 0.03, 2.0, 40, 8, 5),
   [[25.4525, 30.543],
    [[78.6628, 17.0698], [117.8447, 63.0498], [44.4411, 200.1366], [0.2743, 88.6628], [0.048, 0.5102]]])],
 [('regression: greenhouse whitefly',
   (2.0, 0.05, 1.0, 30, 10, 5),
   [[27.7259, 13.8629],
    [[36.3918, 11.8041], [40.3377, 16.223], [35.848, 22.4138], [23.3768, 24.1595], [13.97, 16.3918]]]),
  ('regression: fecund host',
   (5.0, 0.1, 0.8, 20, 5, 4),
   [[25.1475, 16.0944], [[60.6531, 6.2955], [161.5892, 22.6682], [83.7366, 115.8735], [0.0039, 66.9887]]]),
  ('regression: no parasitoids',
   (1.5, 0.1, 1.0, 10, 0, 4),
   [[12.164, 4.0547], [[15.0, 0.0], [22.5, 0.0], [33.75, 0.0], [50.625, 0.0]]]),
  ('regression: non-growing host',
   (1.0, 0.1, 1.0, 10, 2, 3),
   [None, [[8.1873, 1.8127], [6.8299, 1.3574], [5.963, 0.8669]]]),
  ('regression: inefficient parasitoid',
   (3.0, 0.01, 0.5, 100, 20, 4),
   [[329.5837, 109.8612],
    [[245.6192, 9.0635], [673.01, 10.6413], [1815.2157, 33.969], [3877.2504, 261.3994]]]),
  ('regression: invalid search', (2.0, 0.0, 1.0, 10, 2, 3), [None, [[20.0, 0.0], [40.0, 0.0], [80.0, 0.0]]]),
  ('regression: gregarious parasitoid',
   (2.5, 0.03, 2.0, 40, 8, 5),
   [[25.4525, 30.543],
    [[78.6628, 17.0698], [117.8447, 63.0498], [44.4411, 200.1366], [0.2743, 88.6628], [0.048, 0.5102]]])]]
for label, args, expected in fixtures[N - 1]:
    check(label, solve(*args), expected)
print(json.dumps({"observations": observations, "passed": all(x["passed"] for x in observations)}, ensure_ascii=False))
raise SystemExit(0 if all(x["passed"] for x in observations) else 1)
Boundary fixtureActualExpectedOutcome
regression: greenhouse whitefly[[27.7259, 13.8629], [[36.3918, 3.9347], [59.7851, 0.7027], [115.4421, 0.0243], [230.6043, 0.0], [461.2079, 0.0]]][[27.7259, 13.8629], [[36.3918, 11.8041], [40.3377, 16.223], [35.848, 22.4138], [23.3768, 24.1595], [13.97, 16.3918]]]Failed
regression: fecund host[[25.1475, 16.0944], [[60.6531, 1.5739], [259.1016, 0.1834], [1271.9702, 0.0027], [6358.1562, 0.0]]][[25.1475, 16.0944], [[60.6531, 6.2955], [161.5892, 22.6682], [83.7366, 115.8735], [0.0039, 66.9887]]]Failed
regression: no parasitoids[[12.164, 4.0547], [[15.0, 0.0], [22.5, 0.0], [33.75, 0.0], [50.625, 0.0]]][[12.164, 4.0547], [[15.0, 0.0], [22.5, 0.0], [33.75, 0.0], [50.625, 0.0]]]Passed
regression: no hosts[[13.8629, 6.9315], [[0.0, 6.3212], [0.0, 2.9617], [0.0, 0.7592]]][[13.8629, 6.9315], [[0.0, 0.0], [0.0, 0.0], [0.0, 0.0]]]Failed
regression: non-growing host[None, [[8.1873, 0.3625], [7.8958, 0.0129], [7.8856, 0.0]]][None, [[8.1873, 1.8127], [6.8299, 1.3574], [5.963, 0.8669]]]Failed
regression: inefficient parasitoid[[329.5837, 109.8612], [[245.6192, 1.8127], [723.621, 0.0163], [2170.5097, 0.0], [6511.5291, 0.0]]][[329.5837, 109.8612], [[245.6192, 9.0635], [673.01, 10.6413], [1815.2157, 33.969], [3877.2504, 261.3994]]]Failed
regression: invalid search[None, [[20.0, 0.0], [40.0, 0.0], [80.0, 0.0]]][None, [[20.0, 0.0], [40.0, 0.0], [80.0, 0.0]]]Passed

SHA-256 / ac5d82076527f210cc4c731bb5255ec96b735ae09296d36959f143f117341188

HELD IN THE MEMBER ARCHIVE

The verified repair and its recorded checks are member-only.

This mechanism has 7 recorded checks per implementation. The open-access tier publishes the failure and the unsuccessful fix; the repaired source that passes every check, and the observations that prove it, are available to members.

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Verification & scope

Deterministic bounded teaching model with a stipulated contract; not a validated scientific or public-health modelling library. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.

Observations recorded using Python 3.12.14 at 2026-09-29T14:47:35.927878+00:00.

Case digest / 0e3fcce745aa3b23659038f933b9c88e56e0cbce07989abb1676e6116833c5fb