Data to …… trials

Record 3559295f6bab4365b40a3ba6fba77cbf

PASS

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

✓PASSanswered "ANSWER: [3, 0, 9, 1, 7, 10, 16, 0, 1, 2, 3, 2, 3]" · model Gemma 3 27B

finish_reason: stop · tokens in/out: 261/983 · cost: $0.000321 · latency: 11230.4 ms

code_tracetemplatestop

verifier_detail: kind=code_trace;campaign=1;query=final_value;detail=correct;n_stmts=26;trace_len=30;traps=aliasing_on=1;late_binding_on=1;shadowing_on=0;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: 3559295f

← prev trial · trial 132 of 133 · next trial →

Prompt 712 chars · 261 tokens in
Here is a short Python program.

```python
bins = [3, 0, 9, 1]
reserve = 7
token = 'kit'
bins.append(reserve)
token = token.replace('a', 'o')
stack = [3, 8, 8]
parts = stack
parts.append(10)
bins.append(stack[-1])
bonus = 4

def boost(arg):
    return arg * bonus

bonus += 4
bins.append(boost(2))
for idx in range(3):
    bins.append(idx)
limit = reserve - 11
factor = limit % 7
bins.append(factor)

def combine(acc, val=[]):
    val.append(acc)
    return len(val)

weight = combine(1)
rate = combine(5)
bins.append(rate)
bins.append(len(token))
```

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 983 tokens out · finish: stop
Let's trace the execution of the Python code step by step.

1. `bins = [3, 0, 9, 1]`
2. `reserve = 7`
3. `token = 'kit'`
4. `bins.append(reserve)`: `bins` becomes `[3, 0, 9, 1, 7]`
5. `token = token.replace('a', 'o')`: `token` remains 'kit' (no 'a' to replace)
6. `stack = [3, 8, 8]`
7. `parts = stack`: `parts` becomes `[3, 8, 8]` (points to the same list as `stack`)
8. `parts.append(10)`: `parts` becomes `[3, 8, 8, 10]`. Since `parts` and `stack` point to the same list, `stack` also becomes `[3, 8, 8, 10]`
9. `bins.append(stack[-1])`: `bins.append(10)`, so `bins` becomes `[3, 0, 9, 1, 7, 10]`
10. `bonus = 4`
11. `bonus += 4`: `bonus` becomes 8
12. `bins.append(boost(2))`: `boost(2)` returns `2 * bonus = 2 * 8 = 16`. `bins.append(16)`, so `bins` becomes `[3, 0, 9, 1, 7, 10, 16]`
13. `for idx in range(3): bins.append(idx)`:
   - `idx = 0`: `bins.append(0)`, so `bins` becomes `[3, 0, 9, 1, 7, 10, 16, 0]`
   - `idx = 1`: `bins.append(1)`, so `bins` becomes `[3, 0, 9, 1, 7, 10, 16, 0, 1]`
   - `idx = 2`: `bins.append(2)`, so `bins` becomes `[3, 0, 9, 1, 7, 10, 16, 0, 1, 2]`
14. `limit = reserve - 11`: `limit = 7 - 11 = -4`
15. `factor = limit % 7`: `factor = -4 % 7 = 3`
16. `bins.append(factor)`: `bins.append(3)`, so `bins` becomes `[3, 0, 9, 1, 7, 10, 16, 0, 1, 2, 3]`
17. `def combine(acc, val=[]): val.append(acc); return len(val)`
18. `weight = combine(1)`: `val` is initialized as `[]`. `val.append(1)`, so `val` becomes `[1]`. The function returns `len(val) = 1`. `weight = 1`
19. `rate = combine(5)`: `val` is still `[1]` from the previous call. `val.append(5)`, so `val` becomes `[1, 5]`. The function returns `len(val) = 2`. `rate = 2`
20. `bins.append(rate)`: `bins.append(2)`, so `bins` becomes `[3, 0, 9, 1, 7, 10, 16, 0, 1, 2, 3, 2]`
21. `bins.append(len(token))`: `len(token) = len('kit') = 3`. `bins.append(3)`, so `bins` becomes `[3, 0, 9, 1, 7, 10, 16, 0, 1, 2, 3, 2, 3]`

ANSWER: [3, 0, 9, 1, 7, 10, 16, 0, 1, 2, 3, 2, 3]
Reasoning not captured

(no reasoning captured)

Realized dims 17
dimvalue
aliasing_on1.0
answer_size41.0
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_statements26.0
n_variables10.0
negative_modulo_on1.0
shadowing_on0.0
trace_length30.0
traps_on5.0
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_statements18.0
n_variables3.0
negative_modulo_on1.0
shadowing_on0.0