tests/test.sh exit code (0 → resolved); the classification below is post-hoc and cannot change it.<tmp>/workspace
EISDIR: illegal operation on a directory, read '<tmp>/workspace'
ls -la <tmp>/workspace/
total 40 drwxr-xr-x 7 jaykumar staff 224 17 Jun 15:31 . drwx------ 4 jaykumar staff 128 17 Jun 15:31 .. drwxr-xr-x 3 jaykumar staff 96 17 Jun 14:36 data drwxr-xr-x 3 jaykumar staff 96 17 Jun 14:36 environment -rw-r--r-- 1 jaykumar staff 9746 17 Jun 14:36 instruction.md -rw-r--r-- 1 jaykumar staff 1049 17 Jun 14:36 main.py -rw-r--r-- 1 jaykumar staff 323 17 Jun 14:36 task.toml
<tmp>/workspace/data/operations.json
1 {
2 "capacity": 9,
3 "protected_capacity": 4,
4 "default_ttl": 8,
5 "miss": -1,
6 "reset_interval": 7,
7 "operations": [
8 ["put", 1, 100, 2],
9 ["put", 2, 200, 2],
10 ["put", 3, 300, 1],
11 ["get", 1],
12 ["get", 2],
13 ["get", 1],
14 ["put", 4, 400, 2],
15 ["get", 3],
16 ["get", 1],
17 ["put", 5, 500, 2],
18 ["get", 2],
19 ["get", 99],
20 ["put", 6, 600, 3],
21 ["get", 4],
22 ["put", 7, 700, 4],
23 ["get", 1],
24 ["get", 2],
25 ["put", 8, 800, 1],
26 ["get", 3],
27 ["put", 1, 150, 2],
28 ["get", 8],
29 ["get", 77]
30 ]
31 }
32<tmp>/workspace/main.py
1 # Read data/operations.json and write output/result.json.
2 #
3 # The input object carries: capacity, protected_capacity, default_ttl, miss,
4 # reset_interval, and operations (a list of ["put", key, value, cost] or
5 # ["get", key] entries).
6 #
7 # The output object must carry: get_results, final_probation, final_protected,
8 # total_weight, and rejected. See the task instructions for the exact rules
9 # (segmented recency, logical-clock expiry, weight budget, frequency-gated
10 # admission, demotion-on-overflow, and periodic frequency halving).
11 #
12 # TODO: implement the cache. The stub below writes an empty, incorrect result
13 # so that an unmodified program does not pass.
14 import json
15 import os
16
17 with open("data/operations.json") as f:
18 data = json.load(f)
19
20 capacity = data["capacity"]
21 operations = data["operations"]
22
23 result = {
24 "get_results": [],
25 "final_probation": [],
26 "final_protected": [],
27 "total_weight": 0,
28 "rejected": 0,
29 }
30
31 os.makedirs("output", exist_ok=True)
32 with open("output/result.json", "w") as f:
33 json.dump(result, f)
34import json
import os
with open("data/operations.json") as f:
data = json.load(f)
capacity = data["capacity"]
protected_capacity = data["protected_capacity"]
default_ttl = data["default_ttl"]
miss = data["miss"]
reset_interval = data["reset_interval"]
operations = data["operations"]
# Track frequencies for all keys ever seen
frequencies = {}
# Segments: list of (key, value, cost, expiry_time)
probation = []
protected = []
# Results
get_results = []
rejected_count = 0
# Logical clock
clock = 0
# Operation counter for frequency halving
op_count = 0
def get_weight(segment):
"""Sum of costs in a segment"""
return sum(cost for _, _, cost, _ in segment)
def expire_segment(segment, current_clock):
"""Remove expired entries from a segment"""
return [(k, v, c, e) for k, v, c, e in segment if e > current_clock]
def get_frequency(key):
"""Get current frequency, defaulting to 0"""
return frequencies.get(key, 0)
def set_frequency(key, freq):
"""Set frequency for a key"""
frequencies[key] = freq
def increment_frequency(key):
"""Increment frequency for a key"""
frequencies[key] = frequencies.get(key, 0) + 1
def halve_all_frequencies():
"""Halve all frequencies using integer division toward zero"""
for key in frequencies:
frequencies[key] = frequencies[key] // 2
def find_in_segment(segment, key):
"""Find entry in segment and return index, or -1"""
for i, (k, _, _, _) in enumerate(segment):
if k == key:
return i
return -1
def handle_get(key, current_clock):
"""Handle a GET operation"""
global probation, protected
# Check protected segment
idx = find_in_segment(protected, key)
if idx != -1:
k, v, c, e = protected[idx]
if e > current_clock: # Not expired
# Remove and re-add as MRU
protected.pop(idx)
protected.append((k, v, c, current_clock + default_ttl))
return v
# Check probation segment
idx = find_in_segment(probation, key)
if idx != -1:
k, v, c, e = probation[idx]
if e > current_clock: # Not expired
# Remove from probation
probation.pop(idx)
# Add to protected as MRU
protected.append((k, v, c, current_clock + default_ttl))
# Handle demotion if needed
while get_weight(protected) > protected_capacity:
# Take LRU from protected, move to probation
lru_entry = protected.pop(0)
probation.append(lru_entry)
return v
# Not found
return miss
def handle_put(key, value, cost, current_clock):
"""Handle a PUT operation"""
global probation, protected, rejected_count
# Check if it's an update (key already exists and live)
idx = find_in_segment(probation, key)
if idx != -1:
k, v, c, e = probation[idx]
if e > current_clock: # Existing live entry
# Update: remove and re-add with new values
probation.pop(idx)
probation.append((k, value, cost, current_clock + default_ttl))
# Check if we need to evict due to weight
total_weight = get_weight(probation) + get_weight(protected)
while total_weight > capacity:
# Evict from probation first
if len(probation) > 1: # Don't evict the entry we just updated
# Check if LRU is our updated entry
if probation[0][0] == key:
# Skip it, evict the next one
if len(probation) > 1:
evicted = probation.pop(1)
total_weight -= evicted[2]
else:
break
else:
evicted = probation.pop(0)
total_weight -= evicted[2]
else:
# Evict from protected
if len(protected) > 0:
evicted = protected.pop(0)
total_weight -= evicted[2]
else:
break
return
# Check protected segment
idx = find_in_segment(protected, key)
if idx != -1:
k, v, c, e = protected[idx]
if e > current_clock: # Existing live entry
# Update: remove and re-add with new values
protected.pop(idx)
protected.append((k, value, cost, current_clock + default_ttl))
# Check if we need to evict due to weight
total_weight = get_weight(probation) + get_weight(protected)
while total_weight > capacity:
# Evict from probation first
if len(probation) > 0:
evicted = probation.pop(0)
total_weight -= evicted[2]
else:
# Evict from protected
if len(protected) > 1: # Don't evict the entry we just updated
if protected[0][0] == key:
if len(protected) > 1:
evicted = protected.pop(1)
total_weight -= evicted[2]
else:
break
else:
evicted = protected.pop(0)
total_weight -= evicted[2]
else:
break
return
# New entry - check if cost exceeds capacity
if cost > capacity:
rejected_count += 1
return
# Determine how much room is needed
current_total = get_weight(probation) + get_weight(protected)
needed = cost - (capacity - current_total)
if needed <= 0:
# Fits without eviction
probation.append((key, value, cost, current_clock + default_ttl))
return
# Collect eviction c
… (+2275 chars truncated)python main.py && cat output/result.json
Exit code 127 (eval):1: command not found: python
python3 main.py && cat output/result.json
{"get_results": [100, 200, 100, 300, 100, 200, -1, 400, 100, 200, -1, 800, -1], "final_probation": [[2, 200]], "final_protected": [[1, 150], [8, 800]], "total_weight": 5, "rejected": 2}import json
import os
with open("data/operations.json") as f:
data = json.load(f)
capacity = data["capacity"]
protected_capacity = data["protected_capacity"]
default_ttl = data["default_ttl"]
miss = data["miss"]
reset_interval = data["reset_interval"]
operations = data["operations"]
# Track frequencies for all keys ever seen
frequencies = {}
# Segments: list of (key, value, cost, expiry_time)
probation = []
protected = []
# Results
get_results = []
rejected_count = 0
# Logical clock
clock = 0
# Operation counter for frequency halving
op_count = 0
def get_weight(segment):
"""Sum of costs in a segment"""
return sum(cost for _, _, cost, _ in segment)
def expire_segment(segment, current_clock):
"""Remove expired entries from a segment"""
return [(k, v, c, e) for k, v, c, e in segment if e > current_clock]
def get_frequency(key):
"""Get current frequency, defaulting to 0"""
return frequencies.get(key, 0)
def set_frequency(key, freq):
"""Set frequency for a key"""
frequencies[key] = freq
def increment_frequency(key):
"""Increment frequency for a key"""
frequencies[key] = frequencies.get(key, 0) + 1
def halve_all_frequencies():
"""Halve all frequencies using integer division toward zero"""
for key in frequencies:
frequencies[key] = frequencies[key] // 2
def find_in_segment(segment, key):
"""Find entry in segment and return index, or -1"""
for i, (k, _, _, _) in enumerate(segment):
if k == key:
return i
return -1
def entry_is_live(entry, current_clock):
"""Check if entry is still live (not expired)"""
_, _, _, expiry = entry
return expiry > current_clock
def handle_get(key, current_clock):
"""Handle a GET operation"""
global probation, protected
# Check protected segment
idx = find_in_segment(protected, key)
if idx != -1:
k, v, c, e = protected[idx]
if entry_is_live(protected[idx], current_clock):
# Remove and re-add as MRU
protected.pop(idx)
protected.append((k, v, c, current_clock + default_ttl))
return v
# Check probation segment
idx = find_in_segment(probation, key)
if idx != -1:
k, v, c, e = probation[idx]
if entry_is_live(probation[idx], current_clock):
# Remove from probation
probation.pop(idx)
# Add to protected as MRU
protected.append((k, v, c, current_clock + default_ttl))
# Handle demotion if needed
while get_weight(protected) > protected_capacity:
# Take LRU from protected, move to probation
lru_entry = protected.pop(0)
probation.append(lru_entry)
return v
# Not found
return miss
def handle_put(key, value, cost, current_clock):
"""Handle a PUT operation"""
global probation, protected, rejected_count
# Check if it's an update to probation
idx = find_in_segment(probation, key)
if idx != -1:
k, v, c, e = probation[idx]
if entry_is_live(probation[idx], current_clock):
# Update: remove and re-add with new values
probation.pop(idx)
probation.append((k, value, cost, current_clock + default_ttl))
# Check if we need to evict due to weight exceeding capacity
total_weight = get_weight(probation) + get_weight(protected)
while total_weight > capacity:
# Try to evict from probation first (excluding the entry we just added)
evicted = False
for i in range(len(probation) - 1): # Don't touch the last (most recently updated)
evicted_entry = probation.pop(i)
total_weight -= evicted_entry[2]
evicted = True
break
if not evicted:
# Evict from protected
if len(protected) > 0:
evicted_entry = protected.pop(0)
total_weight -= evicted_entry[2]
else:
break
return
# Check if it's an update to protected
idx = find_in_segment(protected, key)
if idx != -1:
k, v, c, e = protected[idx]
if entry_is_live(protected[idx], current_clock):
# Update: remove and re-add with new values
protected.pop(idx)
protected.append((k, value, cost, current_clock + default_ttl))
# Check if we need to evict due to weight exceeding capacity
total_weight = get_weight(probation) + get_weight(protected)
while total_weight > capacity:
# Try to evict from probation first
if len(probation) > 0:
evicted_entry = probation.pop(0)
total_weight -= evicted_entry[2]
else:
# Evict from protected (excluding the entry we just added)
evicted = False
for i in range(len(protected) - 1): # Don't touch the last
evicted_entry = protected.pop(i)
total_weight -= evicted_entry[2]
evicted = True
break
if not evicted:
break
return
# New entry - check if cost exceeds capacity
if cost > capacity:
rejected_count += 1
return
# Determine how much room is needed
current_total = get_weight(probation) + get_weight(protected)
needed = cost - (capacity - current_total)
if needed <= 0:
# Fits without eviction
probation.append((key, value, cost, current_clock + default_ttl))
return
# Collect eviction candidates in order: probation first (LRU to MRU), then protected
candidates = []
freed = 0
# First from probation (LRU first)
for ent
… (+2197 chars truncated)python3 main.py && cat output/result.json
{"get_results": [100, 200, 100, 300, 100, 200, -1, 400, 100, 200, -1, 800, -1], "final_probation": [[2, 200]], "final_protected": [[1, 150], [8, 800]], "total_weight": 5, "rejected": 2}cat > /tmp/trace.py << 'EOF'
import json
with open("<tmp>/workspace/data/operations.json") as f:
data = json.load(f)
capacity = data["capacity"] # 9
protected_capacity = data["protected_capacity"] # 4
default_ttl = data["default_ttl"] # 8
miss = data["miss"] # -1
reset_interval = data["reset_interval"] # 7
operations = data["operations"]
probation = []
protected = []
frequencies = {}
get_results = []
rejected_count = 0
clock = 0
op_count = 0
def get_weight(segment):
return sum(cost for _, _, cost, _ in segment)
def expire_segment(segment, current_clock):
return [(k, v, c, e) for k, v, c, e in segment if e > current_clock]
def get_frequency(key):
return frequencies.get(key, 0)
def increment_frequency(key):
frequencies[key] = frequencies.get(key, 0) + 1
def halve_all_frequencies():
for key in frequencies:
frequencies[key] = frequencies[key] // 2
def find_in_segment(segment, key):
for i, (k, _, _, _) in enumerate(segment):
if k == key:
return i
return -1
def entry_is_live(entry, current_clock):
_, _, _, expiry = entry
return expiry > current_clock
def print_state(op_num, op, result=None):
print(f"\nOp {op_num}: {op}")
print(f" Clock: {clock}, Frequencies: {frequencies}")
prob_str = ", ".join([f"({k}:{v}@{e})" for k,v,c,e in probation])
prot_str = ", ".join([f"({k}:{v}@{e})" for k,v,c,e in protected])
print(f" Probation: [{prob_str}] (weight={get_weight(probation)})")
print(f" Protected: [{prot_str}] (weight={get_weight(protected)})")
if result is not None:
print(f" Result: {result}")
def handle_get(key, current_clock):
# Check protected segment
idx = find_in_segment(protected, key)
if idx != -1 and entry_is_live(protected[idx], current_clock):
k, v, c, e = protected[idx]
protected.pop(idx)
protected.append((k, v, c, current_clock + default_ttl))
return v
# Check probation segment
idx = find_in_segment(probation, key)
if idx != -1 and entry_is_live(probation[idx], current_clock):
k, v, c, e = probation[idx]
probation.pop(idx)
protected.append((k, v, c, current_clock + default_ttl))
while get_weight(protected) > protected_capacity:
lru_entry = protected.pop(0)
probation.append(lru_entry)
return v
return miss
def handle_put(key, value, cost, current_clock):
global rejected_count
# Check update to probation
idx = find_in_segment(probation, key)
if idx != -1 and entry_is_live(probation[idx], current_clock):
probation.pop(idx)
probation.append((key, value, cost, current_clock + default_ttl))
total_weight = get_weight(probation) + get_weight(protected)
while total_weight > capacity:
evicted = False
for i in range(len(probation) - 1):
evicted_entry = probation.pop(i)
total_weight -= evicted_entry[2]
evicted = True
break
if not evicted:
if len(protected) > 0:
evicted_entry = protected.pop(0)
total_weight -= evicted_entry[2]
else:
break
return
# Check update to protected
idx = find_in_segment(protected, key)
if idx != -1 and entry_is_live(protected[idx], current_clock):
protected.pop(idx)
protected.append((key, value, cost, current_clock + default_ttl))
total_weight = get_weight(probation) + get_weight(protected)
while total_weight > capacity:
if len(probation) > 0:
evicted_entry = probation.pop(0)
total_weight -= evicted_entry[2]
else:
evicted = False
for i in range(len(protected) - 1):
evicted_entry = protected.pop(i)
total_weight -= evicted_entry[2]
evicted = True
break
if not evicted:
break
return
# New entry
if cost > capacity:
rejected_count += 1
return
current_total = get_weight(probation) + get_weight(protected)
needed = cost - (capacity - current_total)
if needed <= 0:
probation.append((key, value, cost, current_clock + default_ttl))
return
# Collect eviction candidates
candidates = []
freed = 0
for entry in probation:
if freed >= needed:
break
candidates.append(entry)
freed += entry[2]
if freed < needed:
for entry in protected:
if freed >= needed:
break
candidates.append(entry)
freed += entry[2]
# Check frequency gate
new_freq = get_frequency(key)
for candidate in candidates:
cand_key = candidate[0]
cand_freq = get_frequency(cand_key)
if new_freq <= cand_freq:
rejected_count += 1
return
# Evict candidates
for cand_key in [c[0] for c in candidates]:
idx = find_in_segment(probation, cand_key)
if idx != -1:
probation.pop(idx)
else:
idx = find_in_segment(protected, cand_key)
if idx != -1:
protected.pop(idx)
probation.append((key, value, cost, current_clock + default_ttl))
# Process operations
for op_idx, op in enumerate(operations, 1):
clock += 1
# Expire
probation = expire_segment(probation, clock)
protected = expire_segment(protected, clock)
# Increment frequency
key = op[1]
increment_frequency(key)
# Process
if op[0] == "get":
result = handle_get(key, clock)
get_results.append(result)
print_state(op_idx, op, result)
elif op[0] == "put":
value = op[2]
cost = op[3]
… (+532 chars truncated)Op 1: ['put', 1, 100, 2]
Clock: 1, Frequencies: {1: 1}
Probation: [(1:100@9)] (weight=2)
Protected: [] (weight=0)
Op 2: ['put', 2, 200, 2]
Clock: 2, Frequencies: {1: 1, 2: 1}
Probation: [(1:100@9), (2:200@10)] (weight=4)
Protected: [] (weight=0)
Op 3: ['put', 3, 300, 1]
Clock: 3, Frequencies: {1: 1, 2: 1, 3: 1}
Probation: [(1:100@9), (2:200@10), (3:300@11)] (weight=5)
Protected: [] (weight=0)
Op 4: ['get', 1]
Clock: 4, Frequencies: {1: 2, 2: 1, 3: 1}
Probation: [(2:200@10), (3:300@11)] (weight=3)
Protected: [(1:100@12)] (weight=2)
Result: 100
Op 5: ['get', 2]
Clock: 5, Frequencies: {1: 2, 2: 2, 3: 1}
Probation: [(3:300@11)] (weight=1)
Protected: [(1:100@12), (2:200@13)] (weight=4)
Result: 200
Op 6: ['get', 1]
Clock: 6, Frequencies: {1: 3, 2: 2, 3: 1}
Probation: [(3:300@11)] (weight=1)
Protected: [(2:200@13), (1:100@14)] (weight=4)
Result: 100
Op 7: ['put', 4, 400, 2]
Clock: 7, Frequencies: {1: 3, 2: 2, 3: 1, 4: 1}
Probation: [(3:300@11), (4:400@15)] (weight=3)
Protected: [(2:200@13), (1:100@14)] (weight=4)
-> Halving frequencies
Op 8: ['get', 3]
Clock: 8, Frequencies: {1: 1, 2: 1, 3: 1, 4: 0}
Probation: [(4:400@15), (2:200@13)] (weight=4)
Protected: [(1:100@14), (3:300@16)] (weight=3)
Result: 300
Op 9: ['get', 1]
Clock: 9, Frequencies: {1: 2, 2: 1, 3: 1, 4: 0}
Probation: [(4:400@15), (2:200@13)] (weight=4)
Protected: [(3:300@16), (1:100@17)] (weight=3)
Result: 100
Op 10: ['put', 5, 500, 2]
Clock: 10, Frequencies: {1: 2, 2: 1, 3: 1, 4: 0, 5: 1}
Probation: [(4:400@15), (2:200@13), (5:500@18)] (weight=6)
Protected: [(3:300@16), (1:100@17)] (weight=3)
Op 11: ['get', 2]
Clock: 11, Frequencies: {1: 2, 2: 2, 3: 1, 4: 0, 5: 1}
Probation: [(4:400@15), (5:500@18), (3:300@16)] (weight=5)
Protected: [(1:100@17), (2:200@19)] (weight=4)
Result: 200
Op 12: ['get', 99]
Clock: 12, Frequencies: {1: 2, 2: 2, 3: 1, 4: 0, 5: 1, 99: 1}
Probation: [(4:400@15), (5:500@18), (3:300@16)] (weight=5)
… (+2378 chars truncated)python3 <tmp>/workspace/main.py && cat <tmp>/workspace/output/result.json
{"get_results": [100, 200, 100, 300, 100, 200, -1, 400, 100, 200, -1, 800, -1], "final_probation": [[2, 200]], "final_protected": [[1, 150], [8, 800]], "total_weight": 5, "rejected": 2}<tmp>/workspace/main.py
1 import json
2 import os
3
4 with open("data/operations.json") as f:
5 data = json.load(f)
6
7 capacity = data["capacity"]
8 protected_capacity = data["protected_capacity"]
9 default_ttl = data["default_ttl"]
10 miss = data["miss"]
11 reset_interval = data["reset_interval"]
12 operations = data["operations"]
13
14 # Track frequencies for all keys ever seen
15 frequencies = {}
16
17 # Segments: list of (key, value, cost, expiry_time)
18 probation = []
19 protected = []
20
21 # Results
22 get_results = []
23 rejected_count = 0
24
25 # Logical clock
26 clock = 0
27
28 # Operation counter for frequency halving
29 op_count = 0
30
31 def get_weight(segment):
32 """Sum of costs in a segment"""
33 return sum(cost for _, _, cost, _ in segment)
34
35 def expire_segment(segment, current_clock):
36 """Remove expired entries from a segment"""
37 return [(k, v, c, e) for k, v, c, e in segment if e > current_clock]
38
39 def get_frequency(key):
40 """Get current frequency, defaulting to 0"""
41 return frequencies.get(key, 0)
42
43 def set_frequency(key, freq):
44 """Set frequency for a key"""
45 frequencies[key] = freq
46
47 def increment_frequency(key):
48 """Increment frequency for a key"""
49 frequencies[key] = frequencies.get(key, 0) + 1
50ls -la <tmp>/workspace/output/ && cat <tmp>/workspace/output/result.json | jq .
total 8
drwxr-xr-x 3 jaykumar staff 96 17 Jun 15:33 .
drwxr-xr-x 8 jaykumar staff 256 17 Jun 15:33 ..
-rw-r--r-- 1 jaykumar staff 185 17 Jun 15:34 result.json
{
"get_results": [
100,
200,
100,
300,
100,
200,
-1,
400,
100,
200,
-1,
800,
-1
],
"final_probation": [
[
2,
200
]
],
"final_protected": [
[
1,
150
],
[
8,
800
]
],
"total_weight": 5,
"rejected": 2
}============================= test session starts ============================== platform darwin -- Python 3.12.4, pytest-8.4.1, pluggy-1.6.0 -- /Library/Frameworks/Python.framework/Versions/3.12/bin/python3 cachedir: .pytest_cache rootdir: <tmp>/workspace plugins: anyio-4.12.1, respx-0.22.0, mock-3.15.1, asyncio-0.21.1 asyncio: mode=Mode.STRICT collecting ... collected 13 items tests/test_outputs.py::test_output_exists PASSED [ 7%] tests/test_outputs.py::test_shipped_input_correct PASSED [ 15%] tests/test_outputs.py::test_shipped_exercises_the_gate PASSED [ 23%] tests/test_outputs.py::test_shipped_invariants PASSED [ 30%] tests/test_outputs.py::test_hidden_inputs[3] PASSED [ 38%] tests/test_outputs.py::test_hidden_inputs[4] PASSED [ 46%] tests/test_outputs.py::test_hidden_inputs[8] PASSED [ 53%] tests/test_outputs.py::test_hidden_inputs[11] PASSED [ 61%] tests/test_outputs.py::test_hidden_inputs[13] PASSED [ 69%] tests/test_outputs.py::test_hidden_inputs[16] PASSED [ 76%] tests/test_outputs.py::test_hidden_inputs[33] PASSED [ 84%] tests/test_outputs.py::test_hidden_inputs[47] PASSED [ 92%] tests/test_outputs.py::test_hidden_inputs_are_nontrivial PASSED [100%] ============================== 13 passed in 0.32s ==============================
Reproduce this trial: git checkout 2f94510 && PYTHONPATH=src python3 scripts/build_site.py , then open trial/trial_774912a6376643d0. Re-running the agent live requires EVAL_PLATFORM_ENABLE_OAUTH_SMOKE=1 and is non-deterministic.
Trial trial_774912a6376643d0 · verifier authoritative; classifier explanatory.