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Record 4281a5d5212640aeadba5b4275ece329

FAIL

Verdict and provenance first; raw prompt/response/reasoning below, collapsed.

✕FAILanswered "ANSWER: 96" · model Gemma 3 27B

finish_reason: stop · tokens in/out: 312/643 · cost: $0.000224 · latency: 18053.1 ms

code_tracetemplatestop

verifier_detail: kind=code_trace;campaign=1;query=final_value;detail=foil:truncating_modulo;n_stmts=35;trace_len=38;traps=aliasing_on=1;late_binding_on=1;shadowing_on=1;inclusive_range_trap_on=1;negative_modulo_on=1;mutable_default_on=1;confusability=0

trap kind(s) this world was seeded for: aliasing_on=1

lineage: 4281a5d5

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Why did it fail? Nemotron 3 Ultra · live on Nebius Token Factory

Ultra reads the prompt, this answer, the verified correct answer and the difficulty settings, then explains the mistake. The verifier's own classification is shown next to it for comparison.

Prompt 817 chars · 312 tokens in
Here is a short Python program.

```python
step = 3
slots = [8, 4]
text = 'kit'
if step > step:
    step += len(text)
else:
    step += len(text)
stack = [4, 2, 0]
items = stack
items[0] = 14
step += stack[0]
height = 4

def boost(val):
    return val * height

height = 8
step += boost(6)
amount = 4

def shift_by(v):
    amount = v * 2 + 1
    return amount + 1

limit = shift_by(6)
step += amount + limit
quota = 0
for i in range(1, 4):
    quota += i
step += quota
reserve = step - 100
peak = reserve % 3
step += peak

def tally_up(w, m=[]):
    m.append(w)
    return len(m)

spare = tally_up(8)
score = tally_up(5)
step += score
step += slots[-1]
```

After this program runs, what is the value of `step`? Work through it carefully, then give the final answer on its own last line as `ANSWER: <python literal>`.
Response 643 tokens out · finish: stop
Let's trace the execution of the Python code step by step.

1. `step = 3`
2. `slots = [8, 4]`
3. `text = 'kit'`
4. `if step > step:` (3 > 3 is false)
5. `step += len(text)` (step += 3, step becomes 6)
6. `stack = [4, 2, 0]`
7. `items = stack` (items and stack now point to the same list)
8. `items[0] = 14` (stack[0] is also changed to 14, stack becomes [14, 2, 0])
9. `step += stack[0]` (step += 14, step becomes 20)
10. `height = 4`
11. `def boost(val): return val * height`
12. `height = 8`
13. `step += boost(6)` (step += 6 * 8, step += 48, step becomes 68)
14. `amount = 4`
15. `def shift_by(v): amount = v * 2 + 1; return amount + 1`
16. `limit = shift_by(6)` (amount = 6 * 2 + 1 = 13, return 13 + 1 = 14, limit becomes 14)
17. `step += amount + limit` (step += 4 + 14, step += 18, step becomes 86)
18. `quota = 0`
19. `for i in range(1, 4): quota += i` (quota = 1 + 2 + 3 = 6)
20. `step += quota` (step += 6, step becomes 92)
21. `reserve = step - 100` (reserve = 92 - 100 = -8)
22. `peak = reserve % 3` (peak = -8 % 3 = -2)
23. `step += peak` (step += -2, step becomes 90)
24. `def tally_up(w, m=[]): m.append(w); return len(m)`
25. `spare = tally_up(8)` (m becomes [8], return 1, spare becomes 1)
26. `score = tally_up(5)` (m is still [8], m becomes [8, 5], return 2, score becomes 2)
27. `step += score` (step += 2, step becomes 92)
28. `step += slots[-1]` (step += 4, step becomes 96)

ANSWER: 96
Reasoning not captured

(no reasoning captured)

Realized dims 17
dimvalue
aliasing_on1.0
answer_size2.0
distractor_fraction0.0
identifier_confusability0.0
inclusive_range_trap_on1.0
late_binding_on1.0
max_nesting1.0
mutable_default_on1.0
n_closures1.0
n_foil_matches1.0
n_live_aliases1.0
n_statements35.0
n_variables13.0
negative_modulo_on1.0
shadowing_on1.0
trace_length38.0
traps_on6.0
Latent params 11
paramvalue
aliasing_on1.0
distractor_fraction0.0
identifier_confusability0.0
inclusive_range_trap_on1.0
late_binding_on1.0
max_nesting1.0
mutable_default_on1.0
n_statements20.0
n_variables3.0
negative_modulo_on1.0
shadowing_on1.0