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Record 8e565e7f8a244663aaa7f6bb82186dac

PASS

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

✓PASSanswered "ANSWER: 42" · model Gemma 4 31B QAT

finish_reason: stop · tokens in/out: 279/792 · cost: $0.000266 · latency: 48406.5 ms

code_tracetemplatestop

verifier_detail: kind=code_trace;campaign=1;query=final_value;detail=correct;n_stmts=28;trace_len=31;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=0.6

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

lineage: 8e565e7f

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Prompt 740 chars · 279 tokens in
Here is a short Python program.

```python
extra = 5
value = 7
slots = [6, 2, 4]
extras = 4
value_ = 5
slots[0] = 9
for e in slots:
    value_ += e
    value_ = len(slots) // 4
if extras < 5:
    slots.extend([extras, 7])
if extras > 3:
    extra += len(slots)
slots = slots[1:]
extras = slots[-1]
extras = slots[0]

def shift_by(k):
    val = k + 4
    return val * 2

value_ = extra + 9
value = shift_by(extras)

def scale(v, m=5):
    return v * 2 + m

value = value if value < extra else extra + 3
extra += value_
extra += value
extras += len(slots)
extras += value_ * 2
```

After this program runs, what is the value of `extra`? Work through it carefully, then give the final answer on its own last line as `ANSWER: <python literal>`.
Response 792 tokens out · finish: stop
To find the final value of `extra`, let's trace the program step-by-step:

1.  **Initial assignments:**
    *   `extra = 5`
    *   `value = 7`
    *   `slots = [6, 2, 4]`
    *   `extras = 4`
    *   `value_ = 5`

2.  **Modifying `slots` and the loop:**
    *   `slots[0] = 9` $\rightarrow$ `slots` is now `[9, 2, 4]`
    *   Loop `for e in slots:`
        *   Iteration 1 (`e=9`): `value_ = 5 + 9 = 14`; then `value_ = 3 // 4 = 0`
        *   Iteration 2 (`e=2`): `value_ = 0 + 2 = 2`; then `value_ = 3 // 4 = 0`
        *   Iteration 3 (`e=4`): `value_ = 0 + 4 = 4`; then `value_ = 3 // 4 = 0`
    *   Result: `value_ = 0`

3.  **Conditional blocks:**
    *   `if extras < 5:` (4 < 5 is True): `slots.extend([4, 7])` $\rightarrow$ `slots` is now `[9, 2, 4, 4, 7]`
    *   `if extras > 3:` (4 > 3 is True): `extra += len(slots)` $\rightarrow$ `extra = 5 + 5 = 10`

4.  **Slicing and updating `extras`:**
    *   `slots = slots[1:]` $\rightarrow$ `slots` is now `[2, 4, 4, 7]`
    *   `extras = slots[-1]` $\rightarrow$ `extras = 7`
    *   `extras = slots[0]` $\rightarrow$ `extras = 2`

5.  **Function definitions and calculations:**
    *   `def shift_by(k): return (k + 4) * 2`
    *   `value_ = extra + 9` $\rightarrow$ `value_ = 10 + 9 = 19`
    *   `value = shift_by(extras)` $\rightarrow$ `shift_by(2) = (2 + 4) * 2 = 12`

6.  **Final logic and updates:**
    *   `def scale(v, m=5): return v * 2 + m` (Not called)
    *   `value = value if value < extra else extra + 3`
        *   Is `12 < 10`? No.
        *   `value = 10 + 3 = 13`
    *   `extra += value_` $\rightarrow$ `extra = 10 + 19 = 29`
    *   `extra += value` $\rightarrow$ `extra = 29 + 13 = 42`
    *   `extras += len(slots)` $\rightarrow$ `extras = 2 + 4 = 6`
    *   `extras += value_ * 2` $\rightarrow$ `extras = 6 + (19 * 2) = 44`

The final value of `extra` is 42.

ANSWER: 42
Reasoning not captured

(no reasoning captured)

Realized dims 18
dimvalue
aliasing_on0.0
answer_size2.0
distractor_fraction0.0
identifier_confusability0.8
inclusive_range_trap_on0.0
late_binding_on0.0
max_nesting1.0
mutable_default_on0.0
n_closures0.0
n_foil_matches0.0
n_live_aliases0.0
n_statements28.0
n_variables5.0
negative_modulo_on0.0
opaque_literal_on0.0
shadowing_on0.0
trace_length31.0
traps_on0.0
Latent params 13
paramvalue
aliasing_on0.0
dialect_rules0.0
distractor_fraction0.0
identifier_confusability0.6
inclusive_range_trap_on0.0
late_binding_on0.0
max_nesting1.0
mutable_default_on0.0
n_statements26.0
n_variables3.0
negative_modulo_on0.0
opaque_literal_on0.0
shadowing_on0.0