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Record 616c2fbecad140269e7be97b18d445aa

FAIL

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

✕FAILanswered "ANSWER: 93" · model Gemma 3 27B

finish_reason: stop · tokens in/out: 295/779 · cost: $0.000263 · latency: 16747.7 ms

code_tracetemplatestop

verifier_detail: kind=code_trace;campaign=1;query=final_value;detail=wrong_value;n_stmts=32;trace_len=36;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: 616c2fbe

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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 807 chars · 295 tokens in
Here is a short Python program.

```python
offset = 4
parts = [8, 6]
values = [7, 0, 7]
values = values[1:]
offset += len(parts)
codes = [8, 5, 1, 3]
cells = codes
cells += [19]
offset += codes[-1]
bonus = 4

def collect(arg):
    return arg * bonus

bonus += 5
offset += collect(7)
height = 3

def shift_by(num):
    height = num * 2 + 1
    return height + 1

count = shift_by(4)
offset += height + count
for r in range(3):
    offset += r * 2
amount = offset - 110
level = amount % 6
offset += level

def scale(w, amt=[]):
    amt.append(w)
    return len(amt)

delta = scale(3)
rate = scale(7)
offset += delta + rate
offset += values[0]
```

After this program runs, what is the value of `offset`? Work through it carefully, then give the final answer on its own last line as `ANSWER: <python literal>`.
Response 779 tokens out · finish: stop
Let's trace the execution of the Python code step by step to determine the final value of `offset`.

1. `offset = 4`
2. `parts = [8, 6]`
3. `values = [7, 0, 7]`
4. `values = values[1:]`  => `values = [0, 7]`
5. `offset += len(parts)` => `offset += 2` => `offset = 6`
6. `codes = [8, 5, 1, 3]`
7. `cells = codes` => `cells = [8, 5, 1, 3]`
8. `cells += [19]` => `cells = [8, 5, 1, 3, 19]`
9. `offset += codes[-1]` => `offset += 3` => `offset = 9`
10. `bonus = 4`
11. `def collect(arg): return arg * bonus`
12. `bonus += 5` => `bonus = 9`
13. `offset += collect(7)` => `offset += 7 * 9` => `offset += 63` => `offset = 72`
14. `height = 3`
15. `def shift_by(num): height = num * 2 + 1; return height + 1`
16. `count = shift_by(4)` => `height = 4 * 2 + 1 = 9`; `return 9 + 1 = 10` => `count = 10`
17. `offset += height + count` => `offset += 3 + 10` => `offset += 13` => `offset = 85`
18. `for r in range(3): offset += r * 2`
   - `r = 0`: `offset += 0 * 2` => `offset += 0` => `offset = 85`
   - `r = 1`: `offset += 1 * 2` => `offset += 2` => `offset = 87`
   - `r = 2`: `offset += 2 * 2` => `offset += 4` => `offset = 91`
19. `amount = offset - 110` => `amount = 91 - 110` => `amount = -19`
20. `level = amount % 6` => `level = -19 % 6` => `level = -1`
21. `offset += level` => `offset += -1` => `offset = 90`
22. `def scale(w, amt=[]): amt.append(w); return len(amt)`
23. `delta = scale(3)` => `amt = [3]`; `return len(amt) = 1` => `delta = 1`
24. `rate = scale(7)` => `amt = [3, 7]`; `return len(amt) = 2` => `rate = 2`
25. `offset += delta + rate` => `offset += 1 + 2` => `offset += 3` => `offset = 93`
26. `offset += values[0]` => `offset += 0` => `offset = 93`

ANSWER: 93
Reasoning not captured

(no reasoning captured)

Realized dims 17
dimvalue
aliasing_on1.0
answer_size3.0
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_matches0.0
n_live_aliases1.0
n_statements32.0
n_variables12.0
negative_modulo_on1.0
shadowing_on1.0
trace_length36.0
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