Data to …… trials

Record 7311d708bfb74aa0a2d087a806db327f

PASS

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

✓PASSanswered "ANSWER: [0, 4, 0, 9, 4, 4]" · model Gemma 4 31B QAT

finish_reason: stop · tokens in/out: 125/360 · cost: $0.000121 · latency: 48022.8 ms

code_tracetemplatestop

verifier_detail: kind=code_trace;campaign=1;query=final_value;detail=correct;n_stmts=6;trace_len=6;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;confusability=0

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

lineage: 7311d708

← prev trial · trial 3 of 24 · next trial →

Prompt 329 chars · 125 tokens in
Here is a short Python program.

```python
stack = [0, 4, 0, 9]
word = 'mint'
queue = [2, 8, 4, 7]
queue = stack[1:]
stack.append(len(word))
stack.append(queue[0])
```

After this program runs, what is the value of `stack`? Work through it carefully, then give the final answer on its own last line as `ANSWER: <python literal>`.
Response 360 tokens out · finish: stop
To determine the final value of `stack`, let's trace the program step-by-step:

1.  **Initialization**:
    *   `stack = [0, 4, 0, 9]`
    *   `word = 'mint'`
    *   `queue = [2, 8, 4, 7]`

2.  **Reassigning `queue`**:
    *   `queue = stack[1:]`
    *   `stack[1:]` takes a slice of `stack` from index 1 to the end: `[4, 0, 9]`.
    *   Now, `queue = [4, 0, 9]`.

3.  **First `append` to `stack`**:
    *   `stack.append(len(word))`
    *   `len('mint')` is `4`.
    *   `stack` becomes `[0, 4, 0, 9, 4]`.

4.  **Second `append` to `stack`**:
    *   `stack.append(queue[0])`
    *   `queue[0]` is the first element of the current `queue` (`[4, 0, 9]`), which is `4`.
    *   `stack` becomes `[0, 4, 0, 9, 4, 4]`.

Final value of `stack`: `[0, 4, 0, 9, 4, 4]`

ANSWER: [0, 4, 0, 9, 4, 4]
Reasoning not captured

(no reasoning captured)

Realized dims 18
dimvalue
aliasing_on0.0
answer_size18.0
distractor_fraction0.0
identifier_confusability0.0
inclusive_range_trap_on0.0
late_binding_on0.0
max_nesting0.0
mutable_default_on0.0
n_closures0.0
n_foil_matches0.0
n_live_aliases0.0
n_statements6.0
n_variables3.0
negative_modulo_on0.0
opaque_literal_on0.0
shadowing_on0.0
trace_length6.0
traps_on0.0
Latent params 13
paramvalue
aliasing_on0.0
dialect_rules0.0
distractor_fraction0.0
identifier_confusability0.0
inclusive_range_trap_on0.0
late_binding_on0.0
max_nesting1.0
mutable_default_on0.0
n_statements6.0
n_variables3.0
negative_modulo_on0.0
opaque_literal_on0.0
shadowing_on0.0