[Bugfix] Revert the initial value of Z3 SetRLimit #1765
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📝 WalkthroughWalkthroughThe pull request updates the submodule pointer for Changes
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Actionable comments posted: 1
🤖 Fix all issues with AI agents
In `@3rdparty/tvm`:
- Line 1: Update the submodule update commit message for commit 69db964 to
explicitly mention the Z3 SetRLimit determinism fix (issue `#1542`) instead of a
generic “improved functionality and performance” note; reference that SetRLimit
handling was changed from timeout to rlimit-based proving and that SetRLimit is
currently disabled in our codebase (commented-out usage), so the commit message
should state “Update TVM subproject to 69db964 — include Z3 SetRLimit
determinism fix (issue `#1542`): timeout→rlimit proving change” for clarity.
| @@ -1 +1 @@ | |||
| Subproject commit 8f60c1fab2ed7cf5bebc9fe4c6ef303208414193 | |||
| Subproject commit 69db96416d167fdaca7b9fe8e691e240063ec58a | |||
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🧩 Analysis chain
🏁 Script executed:
#!/bin/bash
# Verify TVM submodule commit for SetRLimit changes
# Check submodule status
echo "=== Submodule Status ==="
git submodule status 3rdparty/tvm
# Check if submodule is initialized and accessible
if [ -d "3rdparty/tvm/.git" ] || [ -f "3rdparty/tvm/.git" ]; then
echo -e "\n=== Commit Details ==="
cd 3rdparty/tvm
git show 69db96416d167fdaca7b9fe8e691e240063ec58a --stat 2>&1 | head -50
echo -e "\n=== Files Changed ==="
git show 69db96416d167fdaca7b9fe8e691e240063ec58a --name-only 2>&1 | grep -i "z3\|rlimit\|setrlimit" || echo "No direct Z3/RLimit files in this commit"
echo -e "\n=== Commit Message ==="
git log -1 --format=%B 69db96416d167fdaca7b9fe8e691e240063ec58a 2>&1
else
echo "Submodule not initialized. Checking available info..."
git config --file=.gitmodules --get-regexp path 3rdparty/tvm
git ls-tree HEAD 3rdparty/tvm
fiRepository: tile-ai/tilelang
Length of output: 302
🏁 Script executed:
#!/bin/bash
# Search for Z3/SetRLimit context in the repository
echo "=== Searching for Z3 or SetRLimit references ==="
rg -i "setrlimit|z3|SetRLimit" --type-list | head -5
rg -i "z3\|setrlimit" --max-count=20 2>/dev/null | head -30
echo -e "\n=== Checking for PR/commit context in repo ==="
# Look for any docs, READMEs, or comments mentioning this change
find . -name "*.md" -o -name "*.txt" 2>/dev/null | xargs grep -l -i "z3\|SetRLimit" 2>/dev/null | head -10
echo -e "\n=== Check git log for recent commits mentioning Z3 ==="
git log --oneline -20 | grep -i "z3\|setrlimit\|rlimit" || echo "No recent commits match pattern"Repository: tile-ai/tilelang
Length of output: 781
🏁 Script executed:
#!/bin/bash
# Search for Z3 and SetRLimit more specifically
echo "=== Z3 references in CMakeLists.txt ==="
rg -i "z3" CMakeLists.txt -A 2 -B 2 | head -40
echo -e "\n=== Z3 references in README ==="
rg -i "z3" README.md -A 2 -B 2 | head -30
echo -e "\n=== SetRLimit or rlimit references anywhere ==="
rg -i "setrlimit|rlimit" . --max-count=20
echo -e "\n=== Check if TVM is a dependency and Z3 is involved ==="
cat requirements.txt requirements-dev.txt 2>/dev/null | grep -i "z3\|tvm\|solver" || echo "No direct Z3/TVM in requirements"
echo -e "\n=== Check .gitmodules for TVM submodule info ==="
cat .gitmodules 2>/dev/null | grep -A 3 "tvm"Repository: tile-ai/tilelang
Length of output: 50373
🏁 Script executed:
#!/bin/bash
# Examine the SetRLimit context in detail
echo "=== SetRLimit context in thread_storage_sync.cc ==="
grep -n "SetRLimit" ./src/transform/thread_storage_sync.cc -B 5 -A 5
echo -e "\n=== All SetRLimit references ==="
find . -type f \( -name "*.cc" -o -name "*.h" -o -name "*.cpp" \) -exec grep -l "SetRLimit" {} \;
echo -e "\n=== Check git history for SetRLimit changes ==="
git log --all -i --grep="SetRLimit\|rlimit" --oneline 2>/dev/null | head -20 || echo "No commits matching pattern"
echo -e "\n=== Check for any Z3 configuration or initialization ==="
rg "z3_prover|SetRLimit" -i --type-list --max-count=3 2>/dev/null || rg "z3_prover|SetRLimit" -i -A 3 -B 3 | head -50Repository: tile-ai/tilelang
Length of output: 4771
🏁 Script executed:
#!/bin/bash
# Get details about the Z3 rlimit commit and check submodule configuration
echo "=== Z3 rlimit commit details ==="
git log c9371a5 --format="%H%n%aI%n%B" 2>/dev/null | head -30
echo -e "\n=== Check git config for TVM submodule ==="
cat .gitmodules 2>/dev/null | grep -A 5 tvm
echo -e "\n=== Check if this repo is TVM or depends on TVM ==="
grep -r "tvm" package.json setup.py CMakeLists.txt 2>/dev/null | grep -i "require\|depend\|find_package" | head -10
echo -e "\n=== Repository name and description ==="
git config --get remote.origin.url 2>/dev/null
git describe --all 2>/dev/null || git branch -a | head -5Repository: tile-ai/tilelang
Length of output: 1915
🏁 Script executed:
#!/bin/bash
# Check when SetRLimit was commented and look for PR `#1542` context
echo "=== Check git log for SetRLimit changes ==="
git log --all -p -- src/transform/thread_storage_sync.cc 2>/dev/null | grep -A 3 -B 3 "SetRLimit" | head -40
echo -e "\n=== Look for PR `#1542` or related commit messages ==="
git log --all --oneline --grep="1542\|SetRLimit\|rlimit" 2>/dev/null | head -15
echo -e "\n=== Check recent commits to thread_storage_sync.cc ==="
git log --oneline src/transform/thread_storage_sync.cc 2>/dev/null | head -10Repository: tile-ai/tilelang
Length of output: 1289
Clarify the submodule update commit message for Z3 SetRLimit handling.
The submodule update to 69db964 is confirmed to relate to Z3 determinism improvements (issue #1542, which changed from timeout to rlimit-based proving). SetRLimit is already disabled in the codebase (commented out at line 1411 of src/transform/thread_storage_sync.cc). However, the commit message "Update TVM subproject to latest commit (69db964) for improved functionality and performance" is generic. Consider updating it to explicitly reference the Z3 SetRLimit determinism fix for clarity.
🤖 Prompt for AI Agents
In `@3rdparty/tvm` at line 1, Update the submodule update commit message for
commit 69db964 to explicitly mention the Z3 SetRLimit determinism fix (issue
`#1542`) instead of a generic “improved functionality and performance” note;
reference that SetRLimit handling was changed from timeout to rlimit-based
proving and that SetRLimit is currently disabled in our codebase (commented-out
usage), so the commit message should state “Update TVM subproject to 69db964 —
include Z3 SetRLimit determinism fix (issue `#1542`): timeout→rlimit proving
change” for clarity.
1 participant
Revert Z3
SetRLimitfrom into 1e4 as this may lead to some undefined behavior in z3.Summary by CodeRabbit
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