/home/llmeval/.local/share/uv/tools/cubbi/lib/python3.12/site-packages/click/core.py:1213: UserWarning: The parameter -m is used more than once. Remove its duplicate as parameters should be unique. parser = self.make_parser(ctx) /home/llmeval/.local/share/uv/tools/cubbi/lib/python3.12/site-packages/click/core.py:1206: UserWarning: The parameter -m is used more than once. Remove its duplicate as parameters should be unique. self.parse_args(ctx, args) Using UID: 1000, GID: 1000 Forwarding environment variable OPENROUTER_API_KEY to container Mounting local directory /home/llmeval/llmeval/runs/run_20251028_150053/task9_cpp_footguns/openrouter-google-gemini-2.5-flash-lite-preview-09-2025/workspace to /app No project_name provided - skipping configuration directory setup. Session created successfully! Session ID: 6dc614a5 Image: opencode Executing command and waiting for completion... Container will exit after command completes. Command logs: Initializing opencode v1.0.0 Setting up user 'cubbi' with UID: 1000, GID: 1000 Setting up standard directories Created directory: /app Created directory: /cubbi-config Created directory: /cubbi-config/home Creating /home/cubbi as symlink to /cubbi-config/home Created directory: /cubbi-config/home/.local Copied /root/.local/bin to user directory Running opencode-specific initialization Added litellm custom provider with 122 models to OpenCode configuration Added openrouter standard provider with 346 models to OpenCode configuration Set default model to openrouter/google/gemini-2.5-flash-lite-preview-09-2025 Updated OpenCode configuration at /home/cubbi/.config/opencode/config.json with 2 providers No MCP servers to integrate --- Executing initial command --- Executing user command: if [ -f install.sh ]; then bash install.sh; fi; echo "--- TASK BEGIN ---"; cat task.md; echo "--- TASK END ---"; cd input && opencode run --print-logs < ../task.md Executing as cubbi: sh -c if [ -f install.sh ]; then bash install.sh; fi; echo "--- TASK BEGIN ---"; cat task.md; echo "--- TASK END ---"; cd input && opencode run --print-logs < ../task.md Installing Docker... Docker installed C++ compilation will use gcc:13 Docker image to avoid host path conflicts --- TASK BEGIN --- # C++ Bug Hunt: Fix Subtle Errors You'll find several C++ files in the `input/` directory. Each file contains realistic code that does something useful, but has ONE subtle bug. ## Your Task Fix the bug in each file so that: 1. The code compiles without warnings (`-Wall -Wextra -Werror`) 2. The code passes sanitizer checks (ASan/UBSan) 3. The code produces the correct expected output ## Files - `virtual_destructor.cpp` - Plugin system with memory management - `reference_to_temporary.cpp` - Configuration system - `iterator_invalidation.cpp` - Event queue processor - `unsigned_underflow.cpp` - Ring buffer implementation - `dangling_cstr.cpp` - Log formatting system - `init_order.cpp` - Coordinate system with units - `off_by_one.cpp` - Matrix border detection - `int_overflow.cpp` - Bulk price calculator Each file is independent. Fix bugs **IN PLACE** (modify the files in `input/`). PS: You are currently working in an automated system and cannot ask any question or have back and forth with an user. --- TASK END --- INFO 2025-10-28T16:54:17 +4011ms service=default version=0.15.11 args=["run","--print-logs"] opencode INFO 2025-10-28T16:54:17 +71ms service=project directory=/app/input fromDirectory INFO 2025-10-28T16:54:17 +46ms service=storage index=0 running migration ERROR 2025-10-28T16:54:17 +52ms service=storage error=ENOENT: no such file or directory, open '/home/cubbi/.local/share/opencode/project' index=0 failed to run migration INFO 2025-10-28T16:54:17 +115ms service=config path=/home/cubbi/.config/opencode/config.json loading INFO 2025-10-28T16:54:18 +849ms service=config path=/home/cubbi/.config/opencode/opencode.json loading INFO 2025-10-28T16:54:18 +12ms service=config path=/home/cubbi/.config/opencode/opencode.jsonc loading INFO 2025-10-28T16:54:18 +85ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","add","@opencode-ai/plugin@0.15.11","--exact"] cwd=/home/cubbi/.config/opencode running INFO 2025-10-28T16:54:18 +54ms service=plugin path=opencode-copilot-auth@0.0.3 loading plugin INFO 2025-10-28T16:54:18 +43ms service=bun pkg=opencode-copilot-auth version=0.0.3 installing package using Bun's default registry resolution INFO 2025-10-28T16:54:18 +9ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","add","--force","--exact","--cwd","/home/cubbi/.cache/opencode","opencode-copilot-auth@0.0.3"] cwd=/home/cubbi/.cache/opencode running INFO 2025-10-28T16:54:19 +412ms service=bun code=0 stdout=bun add v1.3.0 (b0a6feca) installed opencode-copilot-auth@0.0.3 1 package installed [272.00ms] stderr=Resolving dependencies Resolved, downloaded and extracted [4] Saved lockfile done INFO 2025-10-28T16:54:19 +63ms service=plugin path=opencode-anthropic-auth@0.0.2 loading plugin INFO 2025-10-28T16:54:19 +14ms service=bun pkg=opencode-anthropic-auth version=0.0.2 installing package using Bun's default registry resolution INFO 2025-10-28T16:54:19 +9ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","add","--force","--exact","--cwd","/home/cubbi/.cache/opencode","opencode-anthropic-auth@0.0.2"] cwd=/home/cubbi/.cache/opencode running INFO 2025-10-28T16:54:20 +1380ms service=bun code=0 stdout=bun add v1.3.0 (b0a6feca) installed @opencode-ai/plugin@0.15.11 3 packages installed [1.90s] stderr=Resolving dependencies Resolved, downloaded and extracted [12] Saved lockfile done INFO 2025-10-28T16:54:21 +1309ms service=bun code=0 stdout=bun add v1.3.0 (b0a6feca) + opencode-copilot-auth@0.0.3 installed opencode-anthropic-auth@0.0.2 14 packages installed [2.61s] stderr=Resolving dependencies Resolved, downloaded and extracted [50] Saved lockfile done INFO 2025-10-28T16:54:22 +742ms service=bus type=* subscribing INFO 2025-10-28T16:54:22 +6ms service=bus type=session.updated subscribing INFO 2025-10-28T16:54:22 +8ms service=bus type=message.updated subscribing INFO 2025-10-28T16:54:22 +4ms service=bus type=message.part.updated subscribing INFO 2025-10-28T16:54:22 +12ms service=format init INFO 2025-10-28T16:54:22 +1ms service=bus type=file.edited subscribing INFO 2025-10-28T16:54:22 +199ms service=session id=ses_5d4420291ffehWYA4csMxLSMXw version=0.15.11 projectID=global directory=/app/input title=New session - 2025-10-28T16:54:22.831Z time={"created":1761670462840,"updated":1761670462840} created INFO 2025-10-28T16:54:22 +146ms service=lsp serverIds=deno, typescript, vue, eslint, gopls, ruby-lsp, pyright, elixir-ls, zls, csharp, rust, clangd, svelte, astro, jdtls enabled LSP servers INFO 2025-10-28T16:54:23 +35ms service=bus type=session.updated publishing INFO 2025-10-28T16:54:23 +40ms service=bus type=message.part.updated subscribing INFO 2025-10-28T16:54:23 +6ms service=bus type=session.error subscribing INFO 2025-10-28T16:54:23 +21ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw prompt INFO 2025-10-28T16:54:23 +66ms service=bus type=message.updated publishing INFO 2025-10-28T16:54:23 +84ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:23 +23ms service=bus type=session.updated publishing INFO 2025-10-28T16:54:23 +46ms service=models.dev file={} refreshing INFO 2025-10-28T16:54:23 +126ms service=provider init INFO 2025-10-28T16:54:23 +79ms service=provider providerID=openrouter found INFO 2025-10-28T16:54:23 +5ms service=provider providerID=opencode found INFO 2025-10-28T16:54:23 +0ms service=provider providerID=litellm found INFO 2025-10-28T16:54:23 +2ms service=provider providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 getModel INFO 2025-10-28T16:54:23 +18ms service=provider status=started providerID=openrouter getSDK INFO 2025-10-28T16:54:23 +30ms service=bun pkg=@ai-sdk/openai-compatible version=latest installing package using Bun's default registry resolution INFO 2025-10-28T16:54:23 +0ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","add","--force","--exact","--cwd","/home/cubbi/.cache/opencode","@ai-sdk/openai-compatible@latest"] cwd=/home/cubbi/.cache/opencode running INFO 2025-10-28T16:54:25 +2145ms service=bun code=0 stdout=bun add v1.3.0 (b0a6feca) + opencode-anthropic-auth@0.0.2 + opencode-copilot-auth@0.0.3 installed @ai-sdk/openai-compatible@1.0.23 21 packages installed [2.07s] stderr=Resolving dependencies Resolved, downloaded and extracted [26] Saved lockfile done INFO 2025-10-28T16:54:27 +1448ms service=provider status=completed duration=3623 providerID=openrouter getSDK INFO 2025-10-28T16:54:27 +47ms service=provider providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 found INFO 2025-10-28T16:54:27 +3ms service=session.lock sessionID=ses_5d4420291ffehWYA4csMxLSMXw locked INFO 2025-10-28T16:54:27 +1ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw sessionID=ses_5d4420291ffehWYA4csMxLSMXw locking INFO 2025-10-28T16:54:27 +308ms service=provider providerID=openrouter modelID=anthropic/claude-3.5-haiku getModel INFO 2025-10-28T16:54:27 +3ms service=provider status=started providerID=openrouter getSDK INFO 2025-10-28T16:54:27 +1ms service=provider status=completed duration=1 providerID=openrouter getSDK INFO 2025-10-28T16:54:27 +30ms service=provider providerID=openrouter modelID=anthropic/claude-3.5-haiku found INFO 2025-10-28T16:54:27 +5ms service=bus type=message.updated publishing INFO 2025-10-28T16:54:27 +123ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw process INFO 2025-10-28T16:54:27 +68ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=start part INFO 2025-10-28T16:54:29 +1398ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=start-step part INFO 2025-10-28T16:54:29 +121ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:29 +3ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=text-start part INFO 2025-10-28T16:54:29 +5ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=text-delta part INFO 2025-10-28T16:54:29 +16ms service=bus type=session.updated publishing INFO 2025-10-28T16:54:29 +3ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:29 +8ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=text-delta part INFO 2025-10-28T16:54:29 +3ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:29 +7ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=text-delta part INFO 2025-10-28T16:54:29 +8ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:29 +1ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=text-delta part INFO 2025-10-28T16:54:29 +3ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:29 +126ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=text-delta part INFO 2025-10-28T16:54:29 +9ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:30 +847ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=tool-input-start part INFO 2025-10-28T16:54:30 +141ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:30 +16ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=tool-input-delta part INFO 2025-10-28T16:54:30 +19ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=tool-input-end part INFO 2025-10-28T16:54:30 +1ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=tool-call part INFO 2025-10-28T16:54:30 +46ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:30 +96ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=text-end part INFO 2025-10-28T16:54:30 +7ms service=bus type=message.part.updated publishing  I understand the task. I need to fix one subtle bug in each of the eight provided C++ files located in the `input/` directory. The fixes must ensure the code compiles cleanly with strict flags, passes sanitizer checks, and produces the correct output. Since I cannot ask questions, I will proceed by analyzing and fixing each file sequentially, starting with an initial file listing to confirm their presence. First, I will list the files to confirm the structure.  INFO 2025-10-28T16:54:30 +41ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=tool-result part INFO 2025-10-28T16:54:30 +53ms service=bus type=message.part.updated publishing |  List app/input INFO 2025-10-28T16:54:30 +16ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=finish-step part INFO 2025-10-28T16:54:30 +58ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:30 +6ms service=bus type=message.updated publishing INFO 2025-10-28T16:54:30 +8ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=finish part INFO 2025-10-28T16:54:30 +6ms service=bus type=message.updated publishing INFO 2025-10-28T16:54:30 +66ms service=bus type=message.updated publishing INFO 2025-10-28T16:54:30 +40ms service=bus type=message.updated publishing INFO 2025-10-28T16:54:31 +77ms service=bus type=message.updated publishing INFO 2025-10-28T16:54:31 +98ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw process INFO 2025-10-28T16:54:31 +17ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=start part INFO 2025-10-28T16:54:32 +1662ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=start-step part INFO 2025-10-28T16:54:32 +15ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:32 +4ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=text-start part INFO 2025-10-28T16:54:32 +10ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=text-delta part INFO 2025-10-28T16:54:32 +4ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:32 +31ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=text-delta part INFO 2025-10-28T16:54:32 +3ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:32 +130ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=text-delta part INFO 2025-10-28T16:54:32 +8ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:33 +101ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=text-delta part INFO 2025-10-28T16:54:33 +10ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:33 +124ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=text-delta part INFO 2025-10-28T16:54:33 +4ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:33 +145ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=text-delta part INFO 2025-10-28T16:54:33 +11ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:33 +274ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=text-delta part INFO 2025-10-28T16:54:33 +4ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:34 +799ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=tool-input-start part INFO 2025-10-28T16:54:34 +24ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:34 +7ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=tool-input-delta part INFO 2025-10-28T16:54:34 +2ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=tool-input-end part INFO 2025-10-28T16:54:34 +0ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=tool-call part INFO 2025-10-28T16:54:34 +4ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:34 +17ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=text-end part INFO 2025-10-28T16:54:34 +6ms service=bus type=message.part.updated publishing  I have confirmed the presence of all eight files. I will now address them one by one, starting with `virtual_destructor.cpp`. For each file, I will first read its content to identify the bug, then apply the fix using the `edit` tool, and finally, I will attempt to compile and run the file using `bash` to verify the fix against the expected behavior (which I will infer from the file's purpose). I will start with `virtual_destructor.cpp`. ### 1. `virtual_destructor.cpp` - Plugin system with memory management **Inferred Bug:** Missing or non-virtual destructor in a base class when polymorphic deletion is intended. **Plan:** 1. Read `virtual_destructor.cpp`. 2. Check if `Base` has a virtual destructor. If not, add `virtual ~Base() = default;` or similar. 3. Compile and run to verify. First, read the file.  INFO 2025-10-28T16:54:34 +26ms service=file.time sessionID=ses_5d4420291ffehWYA4csMxLSMXw file=/app/input/virtual_destructor.cpp read INFO 2025-10-28T16:54:34 +15ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=tool-result part INFO 2025-10-28T16:54:34 +16ms service=bus type=message.part.updated publishing |  Read app/input/virtual_destructor.cpp INFO 2025-10-28T16:54:34 +6ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=finish-step part INFO 2025-10-28T16:54:34 +19ms service=bus type=message.part.updated publishing INFO 2025-10-28T16:54:34 +9ms service=bus type=message.updated publishing INFO 2025-10-28T16:54:34 +2ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw type=finish part INFO 2025-10-28T16:54:34 +8ms service=bus type=message.updated publishing INFO 2025-10-28T16:54:34 +64ms service=lsp.server downloading clangd from GitHub releases INFO 2025-10-28T16:54:34 +11ms service=bus type=message.updated publishing INFO 2025-10-28T16:54:34 +53ms service=bus type=message.updated publishing INFO 2025-10-28T16:54:34 +18ms service=session.compaction pruning INFO 2025-10-28T16:54:34 +5ms service=session.lock sessionID=ses_5d4420291ffehWYA4csMxLSMXw unlocked INFO 2025-10-28T16:54:34 +17ms service=session.prompt session=ses_5d4420291ffehWYA4csMxLSMXw sessionID=ses_5d4420291ffehWYA4csMxLSMXw unlocking  INFO 2025-10-28T16:54:34 +45ms service=bus type=session.idle publishing INFO 2025-10-28T16:54:35 +904ms service=session.compaction pruned=0 total=0 found ERROR 2025-10-28T16:54:39 +3580ms service=lsp.server Failed to extract clangd binary --- Initial command finished (exit code: 0) --- --- no_shell=true, exiting container without starting shell --- Command execution complete. Container has exited. Session has been cleaned up.