Data to …… trials

Record ac8ea8404eaa448da82d78b0305bc67c

PASS

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

✓PASSanswered "ANSWER: [9, 8, 7, 0, 1, 2, 3, 3, 3, 34]" · model Gemma 4 31B QAT

finish_reason: stop · tokens in/out: 192/677 · cost: $0.000222 · latency: 21952.4 ms

code_tracetemplatestop

verifier_detail: kind=code_trace;campaign=1;query=final_value;detail=correct;n_stmts=17;trace_len=18;traps=aliasing_on=0;late_binding_on=0;shadowing_on=0;inclusive_range_trap_on=1;negative_modulo_on=1;mutable_default_on=0;opaque_literal_on=0;dialect_rules=0;confusability=0;hunt=1;stage=rewrite:insert_dead_read

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

lineage: ac8ea840

← prev trial · trial 64 of 183 · next trial →

Prompt 518 chars · 192 tokens in
Here is a short Python program.

```python
bins = [9, 8, 7]
offset = 8
text = 'mint'

def apply_rate(acc):
    amt = acc + 4
    return amt * 2

text = text[1:]
extra = bins
for j in range(4):
    bins.append(j)
offset = offset + 8
offset = offset + 1
rate = offset - 26
depth = rate % 4
bins.append(depth)
bins.append(len(text))
bins.append(offset * 2)
```

After this program runs, what is the value of `bins`? Work through it carefully, then give the final answer on its own last line as `ANSWER: <python literal>`.
Response 677 tokens out · finish: stop
To find the final value of `bins`, let's trace the execution step-by-step:

1.  **Initialization:**
    *   `bins = [9, 8, 7]`
    *   `offset = 8`
    *   `text = 'mint'`

2.  **Function Definition:**
    *   `apply_rate(acc)` is defined but never called. It has no effect on the state.

3.  **String Slicing:**
    *   `text = text[1:]` $\rightarrow$ `text` becomes `'int'`.

4.  **Reference Assignment:**
    *   `extra = bins` $\rightarrow$ `extra` now points to the same list object as `bins`.

5.  **First Loop:**
    *   `for j in range(4): bins.append(j)`
    *   `j=0`: `bins` becomes `[9, 8, 7, 0]`
    *   `j=1`: `bins` becomes `[9, 8, 7, 0, 1]`
    *   `j=2`: `bins` becomes `[9, 8, 7, 0, 1, 2]`
    *   `j=3`: `bins` becomes `[9, 8, 7, 0, 1, 2, 3]`

6.  **Offset Calculations:**
    *   `offset = offset + 8` $\rightarrow$ $8 + 8 = 16$
    *   `offset = offset + 1` $\rightarrow$ $16 + 1 = 17$
    *   `rate = offset - 26` $\rightarrow$ $17 - 26 = -9$
    *   `depth = rate % 4` $\rightarrow$ $-9 \pmod 4$. In Python, `-9 % 4` is $3$ (since $-9 = -3 \times 4 + 3$).

7.  **Final Appends:**
    *   `bins.append(depth)` $\rightarrow$ `bins.append(3)` $\rightarrow$ `[9, 8, 7, 0, 1, 2, 3, 3]`
    *   `bins.append(len(text))` $\rightarrow$ `len('int')` is $3$. `bins.append(3)` $\rightarrow$ `[9, 8, 7, 0, 1, 2, 3, 3, 3]`
    *   `bins.append(offset * 2)` $\rightarrow$ $17 \times 2 = 34$. `bins.append(34)` $\rightarrow$ `[9, 8, 7, 0, 1, 2, 3, 3, 3, 34]`

ANSWER: [9, 8, 7, 0, 1, 2, 3, 3, 3, 34]
Reasoning not captured

(no reasoning captured)

Realized dims 18
dimvalue
aliasing_on0.0
answer_size31.0
distractor_fraction0.058823529411764705
identifier_confusability0.0
inclusive_range_trap_on1.0
late_binding_on0.0
max_nesting1.0
mutable_default_on0.0
n_closures0.0
n_foil_matches0.0
n_live_aliases1.0
n_statements17.0
n_variables5.0
negative_modulo_on1.0
opaque_literal_on0.0
shadowing_on0.0
trace_length18.0
traps_on2.0
Latent params 21
paramvalue
aliasing_on0.0
chain_depth0.0
dialect_rules0.0
distractor_fraction0.0
identifier_confusability0.0
inclusive_range_trap_on1.0
index_math0.0
late_binding_on0.0
loop_branch0.0
max_nesting2.0
misleading_comments0.0
mutable_default_on0.0
n_statements16.0
n_variables3.0
negative_modulo_on1.0
neutral_comments0.0
opaque_literal_on0.0
shadowing_on0.0
sign_chain0.0
stack_depth0.0
while_on0.0