Data to …… trials

Record 66e1fb3738384aeb8839cfe5767526ad

FAIL

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

✕FAILanswered "ANSWER: [1, 2, 0, 8, 1, -2, 12, 15, 3, 1, 2]" · model Gemma 4 31B QAT

finish_reason: stop · tokens in/out: 357/983 · cost: $0.000331 · latency: 29747.7 ms

code_tracetemplatestop

verifier_detail: kind=code_trace;campaign=1;query=final_value;detail=foil:value_semantics,augassign_rebinds;n_stmts=31;trace_len=35;traps=aliasing_on=0;late_binding_on=0;shadowing_on=0;inclusive_range_trap_on=0;negative_modulo_on=0;mutable_default_on=0;opaque_literal_on=0;dialect_rules=0;chain_depth=2;stack_depth=3;loop_branch=1;while_on=0;sign_chain=0;index_math=1;misleading_comments=0;neutral_comments=0;confusability=0

trap kind(s) this world was seeded for: aliasing_on=0

lineage: 66e1fb37

← prev trial · trial 16 of 32 · next trial →

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 954 chars · 357 tokens in
Here is a short Python program.

```python
def value(token, credit):
    slots = [1, 2, 0, 8]
    step = 1
    if step == 7:
        credit = len(token)
    width = step + 8
    width += 5
    items = [9, 8, 2]
    marks = items
    marks += [19]
    marks = marks + [22]
    queue = items[:]
    queue.append(36)
    slots.append(len(items) - items[-1])
    parts = [7, 3, 5, 2]
    limit = 0
    for elem in parts:
        if elem > 5:
            limit += elem
        else:
            limit -= 3
    slots.append(limit)
    width += 1
    bins = [7, 0, 5, 9, 4]
    batch = bins[1:len(bins) - 1]
    slots.append(len(batch) + batch[-1])
    slots.append(width)
    slots.append(len(token))
    slots.append(step)
    slots.append(credit * 2)
    return slots

quota = value('red', 1)
```

After this program runs, what is the value of `quota`? Work through it carefully, then give the final answer on its own last line as `ANSWER: <python literal>`.
Response 983 tokens out · finish: stop
To find the value of `quota`, we need to trace the execution of the `value('red', 1)` function call.

1.  **Initializations:**
    *   `token = 'red'`
    *   `credit = 1`
    *   `slots = [1, 2, 0, 8]`
    *   `step = 1`

2.  **Conditional and Width calculations:**
    *   `if step == 7:` (1 == 7 is False), so `credit` remains `1`.
    *   `width = step + 8` $\rightarrow$ `1 + 8 = 9`
    *   `width += 5` $\rightarrow$ `9 + 5 = 14`

3.  **Lists (items, marks, queue):**
    *   `items = [9, 8, 2]`
    *   `marks = items` $\rightarrow$ `[9, 8, 2]`
    *   `marks += [19]` $\rightarrow$ `[9, 8, 2, 19]`
    *   `marks = marks + [22]` $\rightarrow$ `[9, 8, 2, 19, 22]`
    *   `queue = items[:]` $\rightarrow$ `[9, 8, 2]`
    *   `queue.append(36)` $\rightarrow$ `[9, 8, 2, 36]`

4.  **Updating `slots` (First addition):**
    *   `slots.append(len(items) - items[-1])`
    *   `len(items)` is 3. `items[-1]` is 2.
    *   `3 - 2 = 1`.
    *   `slots` is now `[1, 2, 0, 8, 1]`

5.  **Calculating `limit`:**
    *   `parts = [7, 3, 5, 2]`
    *   `limit = 0`
    *   Loop through `parts`:
        *   `elem = 7`: `7 > 5` is True $\rightarrow$ `limit = 0 + 7 = 7`
        *   `elem = 3`: `3 > 5` is False $\rightarrow$ `limit = 7 - 3 = 4`
        *   `elem = 5`: `5 > 5` is False $\rightarrow$ `limit = 4 - 3 = 1`
        *   `elem = 2`: `2 > 5` is False $\rightarrow$ `limit = 1 - 3 = -2`
    *   `slots.append(limit)` $\rightarrow$ `slots.append(-2)`
    *   `slots` is now `[1, 2, 0, 8, 1, -2]`

6.  **Updating `width` and `bins`:**
    *   `width += 1` $\rightarrow$ `14 + 1 = 15`
    *   `bins = [7, 0, 5, 9, 4]`
    *   `batch = bins[1:len(bins) - 1]` $\rightarrow$ `bins[1:4]` $\rightarrow$ `[0, 5, 9]`

7.  **Final `slots` additions:**
    *   `slots.append(len(batch) + batch[-1])`: `len(batch)` is 3, `batch[-1]` is 9. `3 + 9 = 12`.
    *   `slots.append(width)`: `15`.
    *   `slots.append(len(token))`: `len('red')` is 3.
    *   `slots.append(step)`: `1`.
    *   `slots.append(credit * 2)`: `1 * 2 = 2`.

8.  **Final `slots` list:**
    `[1, 2, 0, 8, 1, -2, 12, 15, 3, 1, 2]`

ANSWER: [1, 2, 0, 8, 1, -2, 12, 15, 3, 1, 2]
Reasoning not captured

(no reasoning captured)

Realized dims 27
dimvalue
aliasing_on0.0
answer_size38.0
chain_depth2.0
critical_path_depth1.0
distractor_fraction0.0
identifier_confusability0.0
inclusive_range_trap_on0.0
index_math1.0
late_binding_on0.0
loop_branch1.0
max_nesting0.0
misleading_comments0.0
mutable_default_on0.0
n_closures0.0
n_foil_matches2.0
n_live_aliases0.0
n_statements31.0
n_variables0.0
negative_modulo_on0.0
neutral_comments0.0
opaque_literal_on0.0
shadowing_on0.0
sign_chain0.0
stack_depth3.0
trace_length35.0
traps_on0.0
while_on0.0
Latent params 21
paramvalue
aliasing_on0.0
chain_depth2.0
dialect_rules0.0
distractor_fraction0.0
identifier_confusability0.0
inclusive_range_trap_on0.0
index_math1.0
late_binding_on0.0
loop_branch1.0
max_nesting1.0
misleading_comments0.0
mutable_default_on0.0
n_statements18.0
n_variables4.0
negative_modulo_on0.0
neutral_comments0.0
opaque_literal_on0.0
shadowing_on0.0
sign_chain0.0
stack_depth3.0
while_on0.0