/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_20251225_150022/task9_cpp_footguns/openrouter-google-gemini-2.5-flash-preview-09-2025/workspace to /app No project_name provided - skipping configuration directory setup. Session created successfully! Session ID: dbd42247 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 145 models to OpenCode configuration Added openrouter standard provider with 353 models to OpenCode configuration Set default model to openrouter/google/gemini-2.5-flash-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 current 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 the same directory). 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 2025-12-25T17:28:35 +490ms service=default version=1.0.155 args=["run","--print-logs"] opencode INFO 2025-12-25T17:28:35 +7ms service=default directory=/app/input creating instance INFO 2025-12-25T17:28:35 +1ms service=project directory=/app/input fromDirectory INFO 2025-12-25T17:28:35 +10ms service=storage index=0 running migration ERROR 2025-12-25T17:28:35 +2ms service=storage index=0 failed to run migration INFO 2025-12-25T17:28:35 +1ms service=storage index=1 running migration INFO 2025-12-25T17:28:35 +7ms service=default directory=/app/input bootstrapping INFO 2025-12-25T17:28:35 +5ms service=config path=/home/cubbi/.config/opencode/config.json loading INFO 2025-12-25T17:28:35 +38ms service=config path=/home/cubbi/.config/opencode/opencode.json loading INFO 2025-12-25T17:28:35 +1ms service=config path=/home/cubbi/.config/opencode/opencode.jsonc loading INFO 2025-12-25T17:28:35 +10ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","add","@opencode-ai/plugin@1.0.155","--exact"] cwd=/home/cubbi/.config/opencode running INFO 2025-12-25T17:28:36 +511ms service=bun code=0 stdout=bun add v1.3.4 (5eb2145b) installed @opencode-ai/plugin@1.0.155 3 packages installed [496.00ms] stderr=Resolving dependencies Resolved, downloaded and extracted [12] Saved lockfile done INFO 2025-12-25T17:28:36 +7ms service=plugin path=opencode-copilot-auth@0.0.9 loading plugin INFO 2025-12-25T17:28:36 +1ms service=bun pkg=opencode-copilot-auth version=0.0.9 installing package using Bun's default registry resolution INFO 2025-12-25T17:28:36 +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","opencode-copilot-auth@0.0.9"] cwd=/home/cubbi/.cache/opencode running INFO 2025-12-25T17:28:36 +175ms service=bun code=0 stdout=bun add v1.3.4 (5eb2145b) installed opencode-copilot-auth@0.0.9 1 package installed [166.00ms] stderr=Resolving dependencies Resolved, downloaded and extracted [4] Saved lockfile done INFO 2025-12-25T17:28:36 +4ms service=plugin path=opencode-anthropic-auth@0.0.5 loading plugin INFO 2025-12-25T17:28:36 +1ms service=bun pkg=opencode-anthropic-auth version=0.0.5 installing package using Bun's default registry resolution INFO 2025-12-25T17:28:36 +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","opencode-anthropic-auth@0.0.5"] cwd=/home/cubbi/.cache/opencode running INFO 2025-12-25T17:28:37 +947ms service=bun code=0 stdout=bun add v1.3.4 (5eb2145b) + opencode-copilot-auth@0.0.9 installed opencode-anthropic-auth@0.0.5 14 packages installed [932.00ms] stderr=Resolving dependencies Resolved, downloaded and extracted [50] Saved lockfile done INFO 2025-12-25T17:28:37 +51ms service=bus type=* subscribing INFO 2025-12-25T17:28:37 +1ms service=bus type=session.updated subscribing INFO 2025-12-25T17:28:37 +0ms service=bus type=message.updated subscribing INFO 2025-12-25T17:28:37 +0ms service=bus type=message.part.updated subscribing INFO 2025-12-25T17:28:37 +0ms service=bus type=session.updated subscribing INFO 2025-12-25T17:28:37 +0ms service=bus type=message.updated subscribing INFO 2025-12-25T17:28:37 +0ms service=bus type=message.part.updated subscribing INFO 2025-12-25T17:28:37 +0ms service=bus type=session.diff subscribing INFO 2025-12-25T17:28:37 +0ms service=format init INFO 2025-12-25T17:28:37 +0ms service=bus type=file.edited subscribing INFO 2025-12-25T17:28:37 +1ms service=lsp serverIds=deno, typescript, vue, eslint, biome, gopls, ruby-lsp, pyright, elixir-ls, zls, csharp, sourcekit-lsp, rust, clangd, svelte, astro, jdtls, yaml-ls, lua-ls, php intelephense, dart, ocaml-lsp, bash, terraform, texlab, dockerfile, gleam enabled LSP servers INFO 2025-12-25T17:28:37 +2ms service=bus type=command.executed subscribing INFO 2025-12-25T17:28:37 +56ms service=server method=POST path=/session request INFO 2025-12-25T17:28:37 +0ms service=server status=started method=POST path=/session request INFO 2025-12-25T17:28:37 +3ms service=session id=ses_4a971d057ffe8bAmzGz4OI7m09 version=1.0.155 projectID=global directory=/app/input title=New session - 2025-12-25T17:28:37.544Z time={"created":1766683717544,"updated":1766683717544} created INFO 2025-12-25T17:28:37 +5ms service=bus type=session.created publishing INFO 2025-12-25T17:28:37 +1ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:37 +2ms service=server status=completed duration=11 method=POST path=/session request INFO 2025-12-25T17:28:37 +1ms service=server method=GET path=/config request INFO 2025-12-25T17:28:37 +0ms service=server status=started method=GET path=/config request INFO 2025-12-25T17:28:37 +0ms service=server status=completed duration=0 method=GET path=/config request INFO 2025-12-25T17:28:37 +4ms service=server method=GET path=/event request INFO 2025-12-25T17:28:37 +0ms service=server status=started method=GET path=/event request INFO 2025-12-25T17:28:37 +1ms service=server event connected INFO 2025-12-25T17:28:37 +2ms service=bus type=* subscribing INFO 2025-12-25T17:28:37 +1ms service=server status=completed duration=4 method=GET path=/event request INFO 2025-12-25T17:28:37 +6ms service=server method=POST path=/session/ses_4a971d057ffe8bAmzGz4OI7m09/message request INFO 2025-12-25T17:28:37 +0ms service=server status=started method=POST path=/session/ses_4a971d057ffe8bAmzGz4OI7m09/message request INFO 2025-12-25T17:28:37 +5ms service=server status=completed duration=5 method=POST path=/session/ses_4a971d057ffe8bAmzGz4OI7m09/message request INFO 2025-12-25T17:28:37 +7ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:37 +3ms service=provider status=started state INFO 2025-12-25T17:28:37 +4ms service=models.dev file={} refreshing INFO 2025-12-25T17:28:37 +13ms service=provider init INFO 2025-12-25T17:28:37 +4ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:37 +5ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:37 +5ms service=bus type=session.status publishing INFO 2025-12-25T17:28:37 +1ms service=session.prompt step=0 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:28:37 +5ms service=provider providerID=openrouter found INFO 2025-12-25T17:28:37 +0ms service=provider providerID=opencode found INFO 2025-12-25T17:28:37 +0ms service=provider providerID=litellm found INFO 2025-12-25T17:28:37 +0ms service=provider status=completed duration=37 state INFO 2025-12-25T17:28:37 +10ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=true agent=title stream INFO 2025-12-25T17:28:37 +1ms service=provider status=started providerID=openrouter getSDK INFO 2025-12-25T17:28:37 +1ms service=provider providerID=openrouter pkg=@ai-sdk/openai-compatible using bundled provider INFO 2025-12-25T17:28:37 +0ms service=provider status=completed duration=1 providerID=openrouter getSDK INFO 2025-12-25T17:28:37 +2ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:37 +1ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:28:37 +3ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=true agent=title params={"options":{}} params INFO 2025-12-25T17:28:37 +20ms service=tool.registry status=started invalid INFO 2025-12-25T17:28:37 +1ms service=tool.registry status=started bash INFO 2025-12-25T17:28:37 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=started read INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=started list INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:28:37 +1ms service=tool.registry status=started write INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=started task INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:28:37 +1ms service=tool.registry status=completed duration=4 invalid INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=completed duration=2 read INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=completed duration=2 glob INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=completed duration=2 grep INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=completed duration=2 list INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=completed duration=2 edit INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=completed duration=2 write INFO 2025-12-25T17:28:37 +1ms service=tool.registry status=completed duration=2 webfetch INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=completed duration=2 todowrite INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=completed duration=2 todoread INFO 2025-12-25T17:28:37 +0ms service=tool.registry status=completed duration=4 bash INFO 2025-12-25T17:28:37 +1ms service=tool.registry status=completed duration=3 task INFO 2025-12-25T17:28:37 +9ms service=session.prompt status=completed duration=38 resolveTools INFO 2025-12-25T17:28:37 +12ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:37 +1ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=true agent=title stream INFO 2025-12-25T17:28:37 +0ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=true agent=title params={"options":{}} params INFO 2025-12-25T17:28:37 +2ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:37 +1ms service=bus type=session.diff publishing INFO 2025-12-25T17:28:37 +3ms service=session.processor process INFO 2025-12-25T17:28:37 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:28:37 +0ms service=provider status=started providerID=openrouter getSDK INFO 2025-12-25T17:28:37 +0ms service=provider status=completed duration=0 providerID=openrouter getSDK INFO 2025-12-25T17:28:37 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:28:37 +2ms service=bus type=session.status publishing INFO 2025-12-25T17:28:38 +545ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:38 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:38 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:38 +32ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:38 +87ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:38 +148ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:38 +20ms service=session.summary title=Fixing C++ subtle bugs title INFO 2025-12-25T17:28:38 +1ms service=bus type=message.updated publishing ERROR 2025-12-25T17:28:38 +23ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:38 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:38 +67ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:38 +92ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:38 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:38 +12ms service=bus type=message.part.updated publishing |  List app/input INFO 2025-12-25T17:28:38 +94ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:38 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:38 +2ms service=lsp file=/app/input/virtual_destructor.cpp touching file INFO 2025-12-25T17:28:38 +1ms service=file.time sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 file=/app/input/virtual_destructor.cpp read INFO 2025-12-25T17:28:38 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:38 +2ms service=lsp.server downloading clangd from GitHub releases |  Read app/input/virtual_destructor.cpp INFO 2025-12-25T17:28:38 +5ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:38 +4ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:38 +0ms service=bus type=message.updated publishing I need to fix one subtle bug in each of the following 8 C++ files: `virtual_destructor.cpp`, `reference_to_temporary.cpp`, `iterator_invalidation.cpp`, `unsigned_underflow.cpp`, `dangling_cstr.cpp`, `init_order.cpp`, `off_by_one.cpp`, and `int_overflow.cpp`. Since I don't have the files yet, I'll start by listing them to confirm their presence and then reading the first one to begin the bug-fixing process. I will use parallel tool calls to list and then read the first file. INFO 2025-12-25T17:28:38 +13ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:38 +1ms service=bus type=session.status publishing INFO 2025-12-25T17:28:38 +0ms service=session.prompt step=1 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:28:38 +3ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:38 +1ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:38 +0ms service=bus type=session.diff publishing INFO 2025-12-25T17:28:38 +11ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:38 +0ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:28:38 +1ms service=tool.registry status=started invalid INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:28:38 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=started read INFO 2025-12-25T17:28:38 +1ms service=tool.registry status=started glob INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=started list INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=started write INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=started task INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=completed duration=1 invalid INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=completed duration=1 read INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=completed duration=0 glob INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=completed duration=0 grep INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=completed duration=0 list INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=completed duration=0 edit INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=completed duration=0 write INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2025-12-25T17:28:38 +1ms service=tool.registry status=completed duration=1 todowrite INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=completed duration=1 todoread INFO 2025-12-25T17:28:38 +0ms service=tool.registry status=completed duration=2 bash INFO 2025-12-25T17:28:38 +1ms service=tool.registry status=completed duration=2 task INFO 2025-12-25T17:28:38 +2ms service=session.prompt status=completed duration=6 resolveTools INFO 2025-12-25T17:28:38 +14ms service=session.processor process INFO 2025-12-25T17:28:38 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:28:38 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:28:38 +10ms service=bus type=session.status publishing INFO 2025-12-25T17:28:38 +48ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:39 +454ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:39 +2ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:28:39 +232ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:39 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:39 +79ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:39 +3ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:39 +120ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:28:39 +145ms service=lsp.server Failed to extract clangd binary INFO 2025-12-25T17:28:40 +30ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:40 +150ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:40 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:40 +6ms service=bus type=file.edited publishing INFO 2025-12-25T17:28:40 +1ms service=format file=/app/input/virtual_destructor.cpp formatting INFO 2025-12-25T17:28:40 +1ms service=format name=zig ext=.cpp checking INFO 2025-12-25T17:28:40 +0ms service=format name=uv format ext=.cpp checking INFO 2025-12-25T17:28:40 +0ms service=format name=terraform ext=.cpp checking INFO 2025-12-25T17:28:40 +0ms service=format name=standardrb ext=.cpp checking INFO 2025-12-25T17:28:40 +0ms service=format name=ruff ext=.cpp checking INFO 2025-12-25T17:28:40 +0ms service=format name=rubocop ext=.cpp checking INFO 2025-12-25T17:28:40 +0ms service=format name=air ext=.cpp checking INFO 2025-12-25T17:28:40 +0ms service=format name=prettier ext=.cpp checking INFO 2025-12-25T17:28:40 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2025-12-25T17:28:40 +0ms service=format name=mix ext=.cpp checking INFO 2025-12-25T17:28:40 +0ms service=format name=latexindent ext=.cpp checking INFO 2025-12-25T17:28:40 +0ms service=format name=ktlint ext=.cpp checking INFO 2025-12-25T17:28:40 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2025-12-25T17:28:40 +0ms service=format name=gofmt ext=.cpp checking INFO 2025-12-25T17:28:40 +0ms service=format name=gleam ext=.cpp checking INFO 2025-12-25T17:28:40 +0ms service=format name=dart ext=.cpp checking INFO 2025-12-25T17:28:40 +0ms service=format name=clang-format ext=.cpp checking INFO 2025-12-25T17:28:40 +4ms service=format name=biome ext=.cpp checking INFO 2025-12-25T17:28:40 +1ms service=file.time sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 file=/app/input/virtual_destructor.cpp read INFO 2025-12-25T17:28:40 +0ms service=lsp file=/app/input/virtual_destructor.cpp touching file INFO 2025-12-25T17:28:40 +1ms service=bus type=message.part.updated publishing |  Edit app/input/virtual_destructor.cpp INFO 2025-12-25T17:28:40 +20ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:40 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:40 +0ms service=bus type=message.updated publishing The first file, `virtual_destructor.cpp`, is a classic problem of **missing a virtual destructor** in the base class. When `delete p;` is called on line 52, where `p` is a `Plugin*` pointing to an `ImagePlugin` object, only the base class destructor (`Plugin::~Plugin`) is called, leading to a memory leak of `ImagePlugin::imageData_`. The fix is to make the base class destructor `virtual`. **Plan:** 1. Edit `virtual_destructor.cpp` to make `Plugin::~Plugin` a virtual destructor. 2. Compile and run with sanitizers to confirm the fix. ### 1. Fix `virtual_destructor.cpp` INFO 2025-12-25T17:28:40 +11ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:40 +2ms service=bus type=session.status publishing INFO 2025-12-25T17:28:40 +1ms service=session.prompt step=2 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:28:40 +12ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:40 +1ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:40 +0ms service=bus type=session.diff publishing INFO 2025-12-25T17:28:40 +1ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:40 +1ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=started invalid INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:28:40 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:28:40 +1ms service=tool.registry status=started read INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=started list INFO 2025-12-25T17:28:40 +1ms service=tool.registry status=started edit INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=started write INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=started task INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=completed duration=2 invalid INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=completed duration=1 read INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=completed duration=1 glob INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=completed duration=1 grep INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=completed duration=1 list INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=completed duration=1 edit INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=completed duration=0 write INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2025-12-25T17:28:40 +1ms service=tool.registry status=completed duration=1 todowrite INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=completed duration=1 todoread INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=completed duration=3 bash INFO 2025-12-25T17:28:40 +0ms service=tool.registry status=completed duration=1 task INFO 2025-12-25T17:28:40 +3ms service=session.prompt status=completed duration=6 resolveTools INFO 2025-12-25T17:28:40 +11ms service=session.processor process INFO 2025-12-25T17:28:40 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:28:40 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:28:40 +6ms service=bus type=session.status publishing ERROR 2025-12-25T17:28:40 +466ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:40 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:40 +61ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:40 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:40 +51ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:41 +176ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:41 +184ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:41 +257ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:41 +16ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:41 +50ms service=bus type=message.part.updated publishing ### 2. Verify `virtual_destructor.cpp` I'll use the `bash` tool to compile and run the fixed file with necessary flags and sanitizers. **Compile command:** `g++ -std=c++17 -Wall -Wextra -Werror -g -fsanitize=address,undefined /app/input/virtual_destructor.cpp -o virtual_destructor` **Run command:** `./virtual_destructor` Since I cannot chain those two using `&&`, I will compile and run sequentially. INFO 2025-12-25T17:28:41 +128ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:41 +7ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:41 +4ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:41 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:41 +1ms service=bus type=message.updated publishing |  Bash Compile virtual_destructor.cpp with sanitizers. /usr/bin/bash: line 1: g++: command not found INFO 2025-12-25T17:28:41 +14ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:41 +0ms service=bus type=session.status publishing INFO 2025-12-25T17:28:41 +1ms service=session.prompt step=3 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:28:41 +10ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:41 +1ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:41 +1ms service=bus type=session.diff publishing INFO 2025-12-25T17:28:41 +3ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:41 +0ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:28:41 +1ms service=tool.registry status=started invalid INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:28:41 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:28:41 +1ms service=tool.registry status=started read INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=started list INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=started write INFO 2025-12-25T17:28:41 +1ms service=tool.registry status=started task INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=completed duration=2 invalid INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=completed duration=1 read INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=completed duration=1 glob INFO 2025-12-25T17:28:41 +1ms service=tool.registry status=completed duration=2 grep INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=completed duration=2 list INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=completed duration=2 edit INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=completed duration=2 write INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=completed duration=1 todoread INFO 2025-12-25T17:28:41 +1ms service=tool.registry status=completed duration=4 bash INFO 2025-12-25T17:28:41 +0ms service=tool.registry status=completed duration=2 task INFO 2025-12-25T17:28:41 +2ms service=session.prompt status=completed duration=7 resolveTools INFO 2025-12-25T17:28:41 +7ms service=session.processor process INFO 2025-12-25T17:28:41 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:28:41 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:28:41 +4ms service=bus type=session.status publishing ERROR 2025-12-25T17:28:41 +81ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:41 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:42 +446ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:42 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:42 +70ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:42 +171ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:42 +164ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:42 +254ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:43 +208ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:43 +103ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:43 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:43 +1ms service=lsp file=/app/input/reference_to_temporary.cpp touching file INFO 2025-12-25T17:28:43 +0ms service=file.time sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 file=/app/input/reference_to_temporary.cpp read INFO 2025-12-25T17:28:43 +6ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:43 +0ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:43 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:43 +1ms service=bus type=message.updated publishing |  Read app/input/reference_to_temporary.cpp It looks like the `g++` command is not available directly, or at least not in the PATH as expected. I will try to use `clang++` as an alternative c++ compiler since the system seems to be a linux environment. Let's retry the compilation using `clang++`. ### 2. Verify `virtual_destructor.cpp` (Retry) **Compile command:** `clang++ -std=c++17 -Wall -Wextra -Werror -g -fsanitize=address,undefined /app/input/virtual_destructor.cpp -o virtual_destructor` I will try to compile all files with `clang++` first to check if that compiler works. I will proceed by combining the fix, compile, and verification steps for each file, assuming `clang++` is the correct compiler. If I encounter another compiler-related issue, I'll notify the user. ### Next File: `reference_to_temporary.cpp` I will read the next file. ERROR 2025-12-25T17:28:43 +32ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:43 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:43 +6ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:43 +0ms service=bus type=session.status publishing INFO 2025-12-25T17:28:43 +0ms service=session.prompt step=4 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:28:43 +17ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:43 +2ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:43 +0ms service=bus type=session.diff publishing INFO 2025-12-25T17:28:43 +1ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:43 +1ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=started invalid INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:28:43 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:28:43 +1ms service=tool.registry status=started read INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=started list INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=started write INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=started task INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=completed duration=1 invalid INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=completed duration=0 read INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=completed duration=0 glob INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=completed duration=0 grep INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=completed duration=0 list INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=completed duration=0 edit INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=completed duration=0 write INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=completed duration=0 todoread INFO 2025-12-25T17:28:43 +1ms service=tool.registry status=completed duration=1 bash INFO 2025-12-25T17:28:43 +0ms service=tool.registry status=completed duration=1 task INFO 2025-12-25T17:28:43 +3ms service=session.prompt status=completed duration=5 resolveTools INFO 2025-12-25T17:28:43 +16ms service=session.processor process INFO 2025-12-25T17:28:43 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:28:43 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:28:43 +5ms service=bus type=session.status publishing INFO 2025-12-25T17:28:43 +502ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:43 +0ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:43 +54ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:44 +206ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:28:44 +193ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:44 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:44 +25ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:44 +188ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:44 +87ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:44 +198ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:44 +11ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:44 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:44 +2ms service=bus type=file.edited publishing INFO 2025-12-25T17:28:44 +3ms service=format file=/app/input/reference_to_temporary.cpp formatting INFO 2025-12-25T17:28:44 +1ms service=format name=zig ext=.cpp checking INFO 2025-12-25T17:28:44 +0ms service=format name=uv format ext=.cpp checking INFO 2025-12-25T17:28:44 +0ms service=format name=terraform ext=.cpp checking INFO 2025-12-25T17:28:44 +0ms service=format name=standardrb ext=.cpp checking INFO 2025-12-25T17:28:44 +0ms service=format name=ruff ext=.cpp checking INFO 2025-12-25T17:28:44 +0ms service=format name=rubocop ext=.cpp checking INFO 2025-12-25T17:28:44 +0ms service=format name=air ext=.cpp checking INFO 2025-12-25T17:28:44 +0ms service=format name=prettier ext=.cpp checking INFO 2025-12-25T17:28:44 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2025-12-25T17:28:44 +0ms service=format name=mix ext=.cpp checking INFO 2025-12-25T17:28:44 +1ms service=format name=latexindent ext=.cpp checking INFO 2025-12-25T17:28:44 +0ms service=format name=ktlint ext=.cpp checking INFO 2025-12-25T17:28:44 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2025-12-25T17:28:44 +0ms service=format name=gofmt ext=.cpp checking INFO 2025-12-25T17:28:44 +0ms service=format name=gleam ext=.cpp checking INFO 2025-12-25T17:28:44 +0ms service=format name=dart ext=.cpp checking INFO 2025-12-25T17:28:44 +0ms service=format name=clang-format ext=.cpp checking INFO 2025-12-25T17:28:44 +0ms service=format name=biome ext=.cpp checking INFO 2025-12-25T17:28:44 +2ms service=file.time sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 file=/app/input/reference_to_temporary.cpp read INFO 2025-12-25T17:28:44 +0ms service=lsp file=/app/input/reference_to_temporary.cpp touching file INFO 2025-12-25T17:28:44 +9ms service=bus type=message.part.updated publishing The bug in `reference_to_temporary.cpp` is a classic **dangling reference**. The function `Config::getAppName` returns a constant reference to a `std::string` that is constructed temporarily inside the function (`std::string("MyApplication")`). This temporary is destroyed when the function returns, making the reference `appName` on line 20 reference invalid memory. The fix is to return the string by value, creating a copy, or by making the name a member of the class. Since the name is hardcoded and used to construct a temporary, returning by value is the simplest fix. **Plan:** 1. Edit `reference_to_temporary.cpp` to change the return type of `getAppName` from `const std::string&` to `std::string`. 2. Compile and run with sanitizers to confirm the fix. ### 1. Fix `reference_to_temporary.cpp` INFO 2025-12-25T17:28:44 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:44 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:44 +1ms service=bus type=message.updated publishing |  Edit app/input/reference_to_temporary.cpp INFO 2025-12-25T17:28:44 +13ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:44 +0ms service=bus type=session.status publishing INFO 2025-12-25T17:28:44 +1ms service=session.prompt step=5 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:28:44 +5ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:44 +1ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:44 +0ms service=bus type=session.diff publishing INFO 2025-12-25T17:28:44 +1ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:44 +0ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=started invalid INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:28:44 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:28:44 +1ms service=tool.registry status=started read INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=started list INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=started write INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=started task INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=completed duration=1 invalid INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=completed duration=0 read INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=completed duration=0 glob INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=completed duration=0 grep INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=completed duration=0 list INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=completed duration=0 edit INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=completed duration=0 write INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=completed duration=0 todoread INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=completed duration=1 bash INFO 2025-12-25T17:28:44 +0ms service=tool.registry status=completed duration=0 task INFO 2025-12-25T17:28:44 +1ms service=session.prompt status=completed duration=2 resolveTools INFO 2025-12-25T17:28:44 +7ms service=session.processor process INFO 2025-12-25T17:28:44 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:28:44 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:28:44 +2ms service=bus type=session.status publishing ERROR 2025-12-25T17:28:45 +464ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:45 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:45 +90ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:45 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:45 +27ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:45 +66ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:45 +281ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:45 +4ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:45 +3ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:45 +1ms service=bus type=message.part.updated publishing |  Bash Compile reference_to_temporary.cpp with sanitizers. /usr/bin/bash: line 1: clang++: command not found INFO 2025-12-25T17:28:45 +5ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:45 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:45 +1ms service=bus type=message.updated publishing ### 2. Verify `reference_to_temporary.cpp` I'll compile and run, making sure to use the `clang++` compiler. INFO 2025-12-25T17:28:45 +3ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:45 +0ms service=bus type=session.status publishing INFO 2025-12-25T17:28:45 +0ms service=session.prompt step=6 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:28:45 +16ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:45 +1ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:45 +1ms service=bus type=session.diff publishing INFO 2025-12-25T17:28:45 +0ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:45 +0ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:28:45 +1ms service=tool.registry status=started invalid INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:28:45 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=started read INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=started list INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=started write INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=started task INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=completed duration=0 invalid INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=completed duration=0 read INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=completed duration=0 glob INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=completed duration=0 grep INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=completed duration=0 list INFO 2025-12-25T17:28:45 +1ms service=tool.registry status=completed duration=1 edit INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=completed duration=1 write INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=completed duration=1 todoread INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=completed duration=1 bash INFO 2025-12-25T17:28:45 +0ms service=tool.registry status=completed duration=1 task INFO 2025-12-25T17:28:45 +3ms service=session.prompt status=completed duration=5 resolveTools INFO 2025-12-25T17:28:45 +10ms service=session.processor process INFO 2025-12-25T17:28:45 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:28:45 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:28:45 +8ms service=bus type=session.status publishing INFO 2025-12-25T17:28:46 +485ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:46 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:46 +31ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:28:46 +56ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:46 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:46 +147ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:46 +221ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:46 +49ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:47 +257ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:47 +7ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:47 +4ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:47 +5ms service=bus type=message.part.updated publishing |  Bash Compile and run virtual_destructor.cpp with sanitizers. /usr/bin/bash: line 1: c++: command not found INFO 2025-12-25T17:28:47 +5ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:47 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:47 +0ms service=bus type=message.updated publishing It seems `clang++` is also not available in the current environment's PATH. I will try one more time with `c++` which is often a symlink to or an alias for `g++` or `clang++`. If this fails, I'll assume I can only modify files and cannot compile/test, and will proceed with fixing the remaining files based on code inspection. I will first try to compile and execute the first file again, using `c++` to see if it works. **1. Verify `virtual_destructor.cpp` (Second Retry)** INFO 2025-12-25T17:28:47 +14ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:47 +0ms service=bus type=session.status publishing INFO 2025-12-25T17:28:47 +0ms service=session.prompt step=7 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:28:47 +17ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:47 +1ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:28:47 +1ms service=tool.registry status=started invalid INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:28:47 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:28:47 +1ms service=tool.registry status=started read INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=started list INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=started write INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=started task INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=completed duration=1 invalid INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=completed duration=0 read INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=completed duration=0 glob INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=completed duration=0 grep INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=completed duration=0 list INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=completed duration=0 edit INFO 2025-12-25T17:28:47 +1ms service=tool.registry status=completed duration=1 write INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=completed duration=1 todoread INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=completed duration=2 bash INFO 2025-12-25T17:28:47 +0ms service=tool.registry status=completed duration=1 task INFO 2025-12-25T17:28:47 +3ms service=session.prompt status=completed duration=6 resolveTools INFO 2025-12-25T17:28:47 +1ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:47 +1ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:47 +1ms service=bus type=session.diff publishing INFO 2025-12-25T17:28:47 +7ms service=session.processor process INFO 2025-12-25T17:28:47 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:28:47 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:28:47 +3ms service=bus type=session.status publishing ERROR 2025-12-25T17:28:47 +399ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:47 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:47 +104ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:47 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:47 +30ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:47 +221ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:47 +106ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:48 +89ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:48 +6ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:48 +10ms service=lsp file=/app/input/iterator_invalidation.cpp touching file INFO 2025-12-25T17:28:48 +1ms service=file.time sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 file=/app/input/iterator_invalidation.cpp read INFO 2025-12-25T17:28:48 +5ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:48 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:48 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:48 +0ms service=bus type=message.updated publishing Since I cannot execute compiler commands, I must rely solely on code inspection to find and fix the bugs in the remaining files according to the requirements (compiles without warnings, passes sanitizer checks, produces correct output). I have fixed `virtual_destructor.cpp` and `reference_to_temporary.cpp`. I will now proceed with the remaining files. --- ### File 3: `iterator_invalidation.cpp` I will read the file. |  Read app/input/iterator_invalidation.cpp INFO 2025-12-25T17:28:48 +8ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:48 +1ms service=bus type=session.status publishing INFO 2025-12-25T17:28:48 +0ms service=session.prompt step=8 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:28:48 +27ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:48 +0ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=started invalid INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:28:48 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:28:48 +1ms service=tool.registry status=started read INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=started list INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=started write INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=started task INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:28:48 +1ms service=tool.registry status=started todoread INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=completed duration=2 invalid INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=completed duration=1 read INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=completed duration=1 glob INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=completed duration=1 grep INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=completed duration=1 list INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=completed duration=1 edit INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=completed duration=1 write INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=completed duration=0 todoread INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=completed duration=2 bash INFO 2025-12-25T17:28:48 +0ms service=tool.registry status=completed duration=1 task INFO 2025-12-25T17:28:48 +2ms service=session.prompt status=completed duration=4 resolveTools INFO 2025-12-25T17:28:48 +2ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:48 +2ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:48 +1ms service=bus type=session.diff publishing INFO 2025-12-25T17:28:48 +30ms service=session.processor process INFO 2025-12-25T17:28:48 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:28:48 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:28:48 +6ms service=bus type=session.status publishing ERROR 2025-12-25T17:28:48 +446ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:48 +1ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:48 +139ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:48 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:48 +0ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:48 +175ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:49 +191ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:49 +244ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:49 +256ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:28:49 +139ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:49 +1ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:49 +35ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:50 +247ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:50 +230ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:50 +205ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:50 +186ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:28:50 +139ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:50 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:50 +100ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:51 +643ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:51 +14ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:51 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:51 +5ms service=bus type=file.edited publishing INFO 2025-12-25T17:28:51 +0ms service=format file=/app/input/iterator_invalidation.cpp formatting INFO 2025-12-25T17:28:51 +1ms service=format name=zig ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=uv format ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=terraform ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=standardrb ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=ruff ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=rubocop ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=air ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=prettier ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=mix ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=latexindent ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=ktlint ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=gofmt ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=gleam ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=dart ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=clang-format ext=.cpp checking INFO 2025-12-25T17:28:51 +0ms service=format name=biome ext=.cpp checking INFO 2025-12-25T17:28:51 +1ms service=file.time sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 file=/app/input/iterator_invalidation.cpp read INFO 2025-12-25T17:28:51 +0ms service=lsp file=/app/input/iterator_invalidation.cpp touching file INFO 2025-12-25T17:28:51 +19ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:51 +17ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:51 +3ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:51 +3ms service=bus type=message.updated publishing The bug in `iterator_invalidation.cpp` is **iterator invalidation** when modifying a `std::vector` inside a loop. Specifically, `events_.push_back("log_analytics")` on line 21 might reallocate the vector's underlying storage, invalidating the iterator `it` and the end iterator, leading to Undefined Behavior (which an ASan/UBSan check should catch). There are two main ways to fix this without changing the logic: 1. Iterate over a copy of the sequence, but that would miss the newly added events in the current processing run. 2. Iterate using index-based loops and size checks, which is safer when modifying the vector at the end. Since new items are added to the end, a for loop using indices is viable. However, since `push_back` only invalidates iterators if a reallocation occurs, and the end iterator is invalidated regardless on `push_back`, the simplest fix is to use a standard index-based loop (`for (size_t i = 0; i < events_.size(); ++i)`) and be careful with the size limit, or to process the events by index and update the limit, or to use a queue-like structure where we only process the size we had initially. Given the intent seems to be to process all events, even those generated during processing, I will use an index-based loop where the size is updated in each iteration. However, for a simple one-pass processing, the safest C++ way to handle iteration while potentially adding items (which *might* require reallocation) is to avoid iterators and use a standard index loop and keep track of the original end, then another sweep, or simply rely on the index being valid until reallocations happen past your index. Since the bug is on line 16, changing it to a standard `for` loop seems appropriate. If the intention is to only process the original set of events, I should capture the initial size. Since the problem title is "Event queue processor" which implies one pass, I'll stick to a simple index-based loop and let the loop run over the dynamically changing size. **Plan (using index-based loop):** 1. Modify the loop in `processEvents` to use an index (`size_t i`) and iterate based on `events_.size()`. ### 1. Fix `iterator_invalidation.cpp` |  Edit app/input/iterator_invalidation.cpp INFO 2025-12-25T17:28:51 +17ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:51 +0ms service=bus type=session.status publishing INFO 2025-12-25T17:28:51 +0ms service=session.prompt step=9 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:28:51 +24ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:51 +3ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:51 +0ms service=bus type=session.diff publishing INFO 2025-12-25T17:28:51 +2ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:51 +0ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:28:51 +1ms service=tool.registry status=started invalid INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:28:51 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:28:51 +1ms service=tool.registry status=started read INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=started list INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=started write INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=started task INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=completed duration=1 invalid INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=completed duration=0 read INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=completed duration=0 glob INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=completed duration=0 grep INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=completed duration=0 list INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=completed duration=0 edit INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=completed duration=0 write INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=completed duration=0 todoread INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=completed duration=1 bash INFO 2025-12-25T17:28:51 +0ms service=tool.registry status=completed duration=0 task INFO 2025-12-25T17:28:51 +3ms service=session.prompt status=completed duration=5 resolveTools INFO 2025-12-25T17:28:51 +3ms service=session.processor process INFO 2025-12-25T17:28:51 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:28:51 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:28:51 +5ms service=bus type=session.status publishing ERROR 2025-12-25T17:28:51 +234ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:51 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:52 +267ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:52 +0ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:52 +30ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:52 +36ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:52 +72ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:52 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:52 +1ms service=lsp file=/app/input/unsigned_underflow.cpp touching file INFO 2025-12-25T17:28:52 +1ms service=file.time sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 file=/app/input/unsigned_underflow.cpp read INFO 2025-12-25T17:28:52 +1ms service=bus type=message.part.updated publishing |  Read app/input/unsigned_underflow.cpp INFO 2025-12-25T17:28:52 +12ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:52 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:52 +3ms service=bus type=message.updated publishing --- ### File 4: `unsigned_underflow.cpp` I will read the file. INFO 2025-12-25T17:28:52 +22ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:52 +1ms service=bus type=session.status publishing INFO 2025-12-25T17:28:52 +0ms service=session.prompt step=10 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:28:52 +26ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:52 +1ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:52 +1ms service=bus type=session.diff publishing INFO 2025-12-25T17:28:52 +1ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:52 +1ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:28:52 +1ms service=tool.registry status=started invalid INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:28:52 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=started read INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:28:52 +1ms service=tool.registry status=started grep INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=started list INFO 2025-12-25T17:28:52 +1ms service=tool.registry status=started edit INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=started write INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=started task INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=completed duration=3 invalid INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=completed duration=2 read INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=completed duration=2 glob INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=completed duration=1 grep INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=completed duration=1 list INFO 2025-12-25T17:28:52 +1ms service=tool.registry status=completed duration=1 edit INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=completed duration=1 write INFO 2025-12-25T17:28:52 +1ms service=tool.registry status=completed duration=2 webfetch INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=completed duration=2 todowrite INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=completed duration=2 todoread INFO 2025-12-25T17:28:52 +1ms service=tool.registry status=completed duration=6 bash INFO 2025-12-25T17:28:52 +0ms service=tool.registry status=completed duration=3 task INFO 2025-12-25T17:28:52 +2ms service=session.prompt status=completed duration=9 resolveTools INFO 2025-12-25T17:28:52 +3ms service=session.processor process INFO 2025-12-25T17:28:52 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:28:52 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:28:52 +8ms service=bus type=session.status publishing INFO 2025-12-25T17:28:52 +499ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:52 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:52 +32ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:53 +230ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:28:53 +6ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:53 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:53 +266ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:53 +254ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:53 +181ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:54 +222ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:54 +160ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:54 +16ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:54 +156ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:54 +11ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:28:54 +3ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:54 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:54 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:54 +181ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:54 +224ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:55 +229ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:55 +164ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:55 +189ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:28:55 +21ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:55 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:55 +135ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:55 +249ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:56 +159ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:56 +188ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:56 +10ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:56 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:56 +2ms service=bus type=file.edited publishing INFO 2025-12-25T17:28:56 +1ms service=format file=/app/input/unsigned_underflow.cpp formatting INFO 2025-12-25T17:28:56 +1ms service=format name=zig ext=.cpp checking INFO 2025-12-25T17:28:56 +0ms service=format name=uv format ext=.cpp checking INFO 2025-12-25T17:28:56 +0ms service=format name=terraform ext=.cpp checking INFO 2025-12-25T17:28:56 +0ms service=format name=standardrb ext=.cpp checking INFO 2025-12-25T17:28:56 +0ms service=format name=ruff ext=.cpp checking INFO 2025-12-25T17:28:56 +0ms service=format name=rubocop ext=.cpp checking INFO 2025-12-25T17:28:56 +0ms service=format name=air ext=.cpp checking INFO 2025-12-25T17:28:56 +0ms service=format name=prettier ext=.cpp checking INFO 2025-12-25T17:28:56 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2025-12-25T17:28:56 +1ms service=format name=mix ext=.cpp checking INFO 2025-12-25T17:28:56 +0ms service=format name=latexindent ext=.cpp checking INFO 2025-12-25T17:28:56 +0ms service=format name=ktlint ext=.cpp checking INFO 2025-12-25T17:28:56 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2025-12-25T17:28:56 +1ms service=format name=gofmt ext=.cpp checking INFO 2025-12-25T17:28:56 +0ms service=format name=gleam ext=.cpp checking INFO 2025-12-25T17:28:56 +0ms service=format name=dart ext=.cpp checking INFO 2025-12-25T17:28:56 +0ms service=format name=clang-format ext=.cpp checking INFO 2025-12-25T17:28:56 +0ms service=format name=biome ext=.cpp checking INFO 2025-12-25T17:28:56 +10ms service=file.time sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 file=/app/input/unsigned_underflow.cpp read INFO 2025-12-25T17:28:56 +0ms service=lsp file=/app/input/unsigned_underflow.cpp touching file INFO 2025-12-25T17:28:56 +3ms service=bus type=message.part.updated publishing The bug in `unsigned_underflow.cpp` is **unsigned underflow** in the `available()` function (Line 16). For a circular buffer, if `tail_` has wrapped around (or simply if `tail_ < head_`), `tail_ - head_` will underflow when using unsigned types like `size_t` if we don't account for the wrap. The correct calculation, assuming the ring buffer's capacity **is not full to define 'available'**: The key problem here is that the `RingBuffer` implementation is fundamentally broken for a real ring buffer: 1. `push` uses `buffer_.push_back(value)`, but a ring buffer should have a fixed size and overwrite old elements when full. The current buffer size will just keep growing, meaning `head_` and `tail_` are meaningless indices into a growing vector rather than a fixed-size array. 2. The logic `return tail_ - head_` is only correct if the buffer hasn't wrapped *and* we assume a fixed-size ring buffer implementation. However, the problem statement says it's a "subtle bug" related to `unsigned underflow` in `available()`. I must fix the subtraction formula under the **assumption that the indices `head_` and `tail_` are meant to be used in a wrapped cyclic manner**. The correct available count in a ring buffer, accounting for wrap-around, is: ```c++ return (tail_ - head_ + capacity_) % capacity_; ``` This formula works even when `tail_ < head_` because adding `capacity_` prevents underflow and the modulo gives the correct count. **Wait**, there's another major issue: the `push` function uses `buffer_.push_back(value)` (Line 10). This means the vector grows, but **the indices `head_` and `tail_` only track the *capacity* modulo**, they don't track the actual size of `buffer_`. Since `head_` is always 0 in this specific main function, and `tail_` increments by 1 with capacity 10 (3 pushes -> tail = 3), `tail_ - head_` is **correct** for this non-wrapped case, and the result is 3. The underflow comment suggests the problem arises when `tail_` is less than `head_`. The vector `buffer_` itself should be initialized to `capacity_`. Since it is not, and `push_back` is used, the implementation is incorrect for a standard ring buffer. However, if I assume the required output is simply the number of items currently in the buffer, which is tracked by the difference between `tail_` and `head_` **in a circular manner**: 1. If `tail_ >= head_`, the count is `tail_ - head_`. 2. If `tail_ < head_`, the count is `capacity_ - head_ + tail_`. The formula `(tail_ - head_ + capacity_) % capacity_` correctly covers both cases, even if `tail_ - head_` underflows because we are adding the capacity and taking modulo. Let's apply the standard wrap-around calculation for a circular buffer, which is the fix for the unsigned underflow, *assuming* the indices are meant to represent the actual data locations within a conceptual buffer of size `capacity_`. ### 1. Fix `unsigned_underflow.cpp` INFO 2025-12-25T17:28:56 +14ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:56 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:56 +1ms service=bus type=message.updated publishing |  Edit app/input/unsigned_underflow.cpp INFO 2025-12-25T17:28:56 +2ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:56 +0ms service=bus type=session.status publishing INFO 2025-12-25T17:28:56 +0ms service=session.prompt step=11 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:28:56 +28ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:56 +4ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:56 +0ms service=bus type=session.diff publishing INFO 2025-12-25T17:28:56 +10ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:56 +0ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:28:56 +1ms service=tool.registry status=started invalid INFO 2025-12-25T17:28:56 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:28:56 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:28:56 +1ms service=tool.registry status=started read INFO 2025-12-25T17:28:56 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:28:56 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:28:56 +0ms service=tool.registry status=started list INFO 2025-12-25T17:28:56 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:28:56 +0ms service=tool.registry status=started write INFO 2025-12-25T17:28:56 +0ms service=tool.registry status=started task INFO 2025-12-25T17:28:56 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:28:56 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:28:56 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:28:56 +0ms service=tool.registry status=completed duration=1 invalid INFO 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status=completed duration=4 resolveTools INFO 2025-12-25T17:28:56 +1ms service=session.processor process INFO 2025-12-25T17:28:56 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:28:56 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:28:56 +5ms service=bus type=session.status publishing ERROR 2025-12-25T17:28:56 +306ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:56 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:56 +255ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:56 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:56 +26ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:56 +24ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:56 +70ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:56 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:56 +2ms service=lsp file=/app/input/dangling_cstr.cpp touching file INFO 2025-12-25T17:28:56 +0ms service=file.time sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 file=/app/input/dangling_cstr.cpp read INFO 2025-12-25T17:28:56 +3ms service=bus type=message.part.updated publishing |  Read app/input/dangling_cstr.cpp INFO 2025-12-25T17:28:56 +13ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:57 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:57 +1ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:57 +4ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:57 +0ms service=bus type=session.status publishing INFO 2025-12-25T17:28:57 +0ms service=session.prompt step=12 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop --- ### File 5: `dangling_cstr.cpp` I will read the file. INFO 2025-12-25T17:28:57 +30ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:57 +2ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:57 +1ms service=bus type=session.diff publishing INFO 2025-12-25T17:28:57 +3ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:57 +0ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=started invalid INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:28:57 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:28:57 +1ms service=tool.registry status=started read INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=started list INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=started write INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=started task INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=completed duration=1 invalid INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=completed duration=0 read INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=completed duration=0 glob INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=completed duration=0 grep INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=completed duration=0 list INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=completed duration=0 edit INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=completed duration=0 write INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=completed duration=0 todoread INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=completed duration=1 bash INFO 2025-12-25T17:28:57 +0ms service=tool.registry status=completed duration=0 task INFO 2025-12-25T17:28:57 +4ms service=session.prompt status=completed duration=5 resolveTools INFO 2025-12-25T17:28:57 +14ms service=session.processor process INFO 2025-12-25T17:28:57 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:28:57 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:28:57 +8ms service=bus type=session.status publishing INFO 2025-12-25T17:28:57 +563ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:57 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:57 +37ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:57 +169ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:28:57 +24ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:57 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:58 +197ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:58 +200ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:58 +186ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:58 +55ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:28:59 +561ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:28:59 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:28:59 +59ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:59 +13ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:59 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:59 +17ms service=bus type=file.edited publishing INFO 2025-12-25T17:28:59 +0ms service=format file=/app/input/dangling_cstr.cpp formatting INFO 2025-12-25T17:28:59 +1ms service=format name=zig ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=uv format ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=terraform ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=standardrb ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=ruff ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=rubocop ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=air ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=prettier ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=mix ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=latexindent ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=ktlint ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=gofmt ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=gleam ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=dart ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=clang-format ext=.cpp checking INFO 2025-12-25T17:28:59 +0ms service=format name=biome ext=.cpp checking INFO 2025-12-25T17:28:59 +12ms service=file.time sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 file=/app/input/dangling_cstr.cpp read INFO 2025-12-25T17:28:59 +0ms service=lsp file=/app/input/dangling_cstr.cpp touching file INFO 2025-12-25T17:28:59 +1ms service=bus type=message.part.updated publishing The bug in `dangling_cstr.cpp` is a **dangling C-style string pointer**. The `formatMessage` function creates a temporary `std::string formatted` on line 9 and returns a pointer to its internal C string via `formatted.c_str()` on line 10. When `formatted` goes out of scope at the end of `formatMessage`, the memory it points to can be deallocated/reused, causing Undefined Behavior when `std::cout << formatted << std::endl;` is executed on line 15. The fix is to return the formatted message by value (`std::string`), allowing the caller to take ownership or use it before it is destroyed. Since `log` never intended to store the C-string, but rather print it immediately, changing the return type is correct. **Plan:** 1. Modify `formatMessage` to return `std::string` instead of `const char*`. 2. Update the calling code in `log` to handle the returned `std::string`. ### 1. Fix `dangling_cstr.cpp` INFO 2025-12-25T17:28:59 +3ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:59 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:59 +1ms service=bus type=message.updated publishing |  Edit app/input/dangling_cstr.cpp INFO 2025-12-25T17:28:59 +4ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:59 +1ms service=bus type=session.status publishing INFO 2025-12-25T17:28:59 +0ms service=session.prompt step=13 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:28:59 +53ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:59 +1ms service=bus type=session.updated publishing INFO 2025-12-25T17:28:59 +1ms service=bus type=session.diff publishing INFO 2025-12-25T17:28:59 +9ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:59 +0ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=started invalid INFO 2025-12-25T17:28:59 +1ms service=tool.registry status=started bash INFO 2025-12-25T17:28:59 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:28:59 +1ms service=tool.registry status=started read INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=started list INFO 2025-12-25T17:28:59 +1ms service=tool.registry status=started edit INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=started write INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=started task INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=completed duration=3 invalid INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=completed duration=1 read INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=completed duration=1 glob INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=completed duration=1 grep INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=completed duration=1 list INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=completed duration=0 edit INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=completed duration=0 write INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2025-12-25T17:28:59 +1ms service=tool.registry status=completed duration=0 todoread INFO 2025-12-25T17:28:59 +0ms service=tool.registry status=completed duration=3 bash INFO 2025-12-25T17:28:59 +1ms service=tool.registry status=completed duration=2 task INFO 2025-12-25T17:28:59 +5ms service=session.prompt status=completed duration=10 resolveTools INFO 2025-12-25T17:28:59 +21ms service=session.processor process INFO 2025-12-25T17:28:59 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:28:59 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:28:59 +9ms service=bus type=session.status publishing INFO 2025-12-25T17:28:59 +562ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:59 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:59 +34ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:59 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:59 +72ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:59 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:59 +2ms service=lsp file=/app/input/init_order.cpp touching file INFO 2025-12-25T17:28:59 +0ms service=file.time sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 file=/app/input/init_order.cpp read INFO 2025-12-25T17:28:59 +1ms service=bus type=message.part.updated publishing |  Read app/input/init_order.cpp INFO 2025-12-25T17:28:59 +10ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:59 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:28:59 +1ms service=bus type=message.updated publishing --- ### File 6: `init_order.cpp` I will read the file. INFO 2025-12-25T17:28:59 +10ms service=bus type=message.updated publishing INFO 2025-12-25T17:28:59 +0ms service=bus type=session.status publishing INFO 2025-12-25T17:28:59 +1ms service=session.prompt step=14 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:28:59 +20ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:00 +2ms service=bus type=session.updated publishing INFO 2025-12-25T17:29:00 +0ms service=bus type=session.diff publishing INFO 2025-12-25T17:29:00 +11ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:00 +1ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:29:00 +1ms service=tool.registry status=started invalid INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:29:00 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:29:00 +1ms service=tool.registry status=started read INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=started list INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=started write INFO 2025-12-25T17:29:00 +1ms service=tool.registry status=started task INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=completed duration=2 invalid INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=completed duration=1 read INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=completed duration=1 glob INFO 2025-12-25T17:29:00 +1ms service=tool.registry status=completed duration=2 grep INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=completed duration=2 list INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=completed duration=2 edit INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=completed duration=2 write INFO 2025-12-25T17:29:00 +1ms service=tool.registry status=completed duration=2 webfetch INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=completed duration=2 todowrite INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=completed duration=2 todoread INFO 2025-12-25T17:29:00 +0ms service=tool.registry status=completed duration=4 bash INFO 2025-12-25T17:29:00 +1ms service=tool.registry status=completed duration=3 task INFO 2025-12-25T17:29:00 +4ms service=session.prompt status=completed duration=10 resolveTools INFO 2025-12-25T17:29:00 +17ms service=session.processor process INFO 2025-12-25T17:29:00 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:29:00 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:29:00 +18ms service=bus type=session.status publishing ERROR 2025-12-25T17:29:00 +69ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:29:00 +2ms service=default e=NotFoundError rejection INFO 2025-12-25T17:29:00 +465ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:00 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:00 +57ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:00 +173ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:00 +155ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:01 +209ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:01 +192ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:01 +167ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:29:01 +49ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:29:01 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:29:01 +87ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:02 +389ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:02 +8ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:02 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:02 +2ms service=bus type=file.edited publishing INFO 2025-12-25T17:29:02 +0ms service=format file=/app/input/init_order.cpp formatting INFO 2025-12-25T17:29:02 +0ms service=format name=zig ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=uv format ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=terraform ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=standardrb ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=ruff ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=rubocop ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=air ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=prettier ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=mix ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=latexindent ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=ktlint ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=gofmt ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=gleam ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=dart ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=clang-format ext=.cpp checking INFO 2025-12-25T17:29:02 +0ms service=format name=biome ext=.cpp checking INFO 2025-12-25T17:29:02 +1ms service=file.time sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 file=/app/input/init_order.cpp read INFO 2025-12-25T17:29:02 +0ms service=lsp file=/app/input/init_order.cpp touching file INFO 2025-12-25T17:29:02 +3ms service=bus type=message.part.updated publishing |  Edit app/input/init_order.cpp INFO 2025-12-25T17:29:02 +15ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:02 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:02 +1ms service=bus type=message.updated publishing The bug in `init_order.cpp` is **member initialization order**. C++ mandates that class members are initialized in the order they are *declared* in the class, not the order they appear in the initializer list. In `Point`: 1. `x_` is declared first (Line 21) 2. `y_` is declared second (Line 22) 3. `scale_` is declared third (Line 23) In the initializer list (Lines 7-9): 1. `scale_` is initialized with `scale` (e.g., 2.0). 2. `x_` is initialized with `x * scale_`. **Since `scale_` is not yet initialized at this point (it's uninitialized memory), `x_` will be calculated using a garbage value for `scale_` if the compiler hasn't compiled in an optimized way like this program likely intends for it to fail**. 3. `y_` is initialized with `y * scale_`. The fix is to reorder the *declarations* of the members so that `scale_` is declared before it is used to initialize `x_` and `y_`. **Plan:** 1. Reorder the member declarations in `Point` so that `scale_` is declared first. ### 1. Fix `init_order.cpp` INFO 2025-12-25T17:29:02 +12ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:02 +1ms service=bus type=session.status publishing INFO 2025-12-25T17:29:02 +0ms service=session.prompt step=15 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:29:02 +46ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:02 +1ms service=bus type=session.updated publishing INFO 2025-12-25T17:29:02 +0ms service=bus type=session.diff publishing INFO 2025-12-25T17:29:02 +2ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:02 +1ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started invalid INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:29:02 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started read INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started list INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started write INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started task INFO 2025-12-25T17:29:02 +1ms service=tool.registry status=started webfetch INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 invalid INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 read INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 glob INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 grep INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 list INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 edit INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 write INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=0 todoread INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 bash INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 task INFO 2025-12-25T17:29:02 +1ms service=session.prompt status=completed duration=2 resolveTools INFO 2025-12-25T17:29:02 +3ms service=session.processor process INFO 2025-12-25T17:29:02 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:29:02 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:29:02 +3ms service=bus type=session.status publishing ERROR 2025-12-25T17:29:02 +510ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:29:02 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:29:02 +32ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:02 +3ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:02 +24ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:02 +23ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:02 +71ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:02 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:02 +2ms service=lsp file=/app/input/off_by_one.cpp touching file INFO 2025-12-25T17:29:02 +0ms service=file.time sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 file=/app/input/off_by_one.cpp read INFO 2025-12-25T17:29:02 +1ms service=bus type=message.part.updated publishing |  Read app/input/off_by_one.cpp INFO 2025-12-25T17:29:02 +29ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:02 +5ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:02 +1ms service=bus type=message.updated publishing --- ### File 7: `off_by_one.cpp` I will read the file. INFO 2025-12-25T17:29:02 +16ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:02 +3ms service=bus type=session.status publishing INFO 2025-12-25T17:29:02 +0ms service=session.prompt step=16 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:29:02 +85ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:02 +0ms service=bus type=session.updated publishing INFO 2025-12-25T17:29:02 +1ms service=bus type=session.diff publishing INFO 2025-12-25T17:29:02 +7ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:02 +1ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started invalid INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:29:02 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:29:02 +1ms service=tool.registry status=started read INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started list INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started write INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started task INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 invalid INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=0 read INFO 2025-12-25T17:29:02 +1ms service=tool.registry status=completed duration=1 glob INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 grep INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 list INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 edit INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 write INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 todoread INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=2 bash INFO 2025-12-25T17:29:02 +0ms service=tool.registry status=completed duration=1 task INFO 2025-12-25T17:29:02 +2ms service=session.prompt status=completed duration=4 resolveTools INFO 2025-12-25T17:29:02 +2ms service=session.processor process INFO 2025-12-25T17:29:02 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:29:02 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:29:03 +5ms service=bus type=session.status publishing INFO 2025-12-25T17:29:03 +539ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:03 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:03 +22ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:29:03 +157ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:29:03 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:29:03 +25ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:03 +193ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:04 +200ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:04 +126ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:04 +246ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:04 +12ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:04 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:04 +2ms service=bus type=file.edited publishing INFO 2025-12-25T17:29:04 +0ms service=format file=/app/input/off_by_one.cpp formatting INFO 2025-12-25T17:29:04 +0ms service=format name=zig ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=uv format ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=terraform ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=standardrb ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=ruff ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=rubocop ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=air ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=prettier ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=mix ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=latexindent ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=ktlint ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=gofmt ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=gleam ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=dart ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=clang-format ext=.cpp checking INFO 2025-12-25T17:29:04 +0ms service=format name=biome ext=.cpp checking INFO 2025-12-25T17:29:04 +1ms service=file.time sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 file=/app/input/off_by_one.cpp read INFO 2025-12-25T17:29:04 +1ms service=lsp file=/app/input/off_by_one.cpp touching file INFO 2025-12-25T17:29:04 +8ms service=bus type=message.part.updated publishing The bug in `off_by_one.cpp` is an **off-by-one error** leading to an out-of-bounds access. The matrix `data_` is declared as `int data_[5][5]` (Line 24), meaning valid indices for the second dimension are 0 through 4. The loop in `printTopRow` (Line 17) runs from `i = 0` to `i <= 5`. When `i` is 5, `data_[0][5]` is accessed, which is outside the bounds of the array, leading to Undefined Behavior (which an ASan check should catch). The fix is to change the loop condition to `i < 5`. **Plan:** 1. Modify the loop condition in `printTopRow` from `i <= 5` to `i < 5`. ### 1. Fix `off_by_one.cpp` INFO 2025-12-25T17:29:04 +3ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:04 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:04 +1ms service=bus type=message.updated publishing |  Edit app/input/off_by_one.cpp INFO 2025-12-25T17:29:04 +21ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:04 +4ms service=bus type=session.status publishing INFO 2025-12-25T17:29:04 +1ms service=session.prompt step=17 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:29:04 +96ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:04 +1ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=started invalid INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:29:04 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:29:04 +1ms service=tool.registry status=started read INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=started list INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=started write INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=started task INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=completed duration=1 invalid INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=completed duration=0 read INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=completed duration=0 glob INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=completed duration=0 grep INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=completed duration=0 list INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=completed duration=0 edit INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=completed duration=0 write INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=completed duration=0 todoread INFO 2025-12-25T17:29:04 +0ms service=tool.registry status=completed duration=1 bash INFO 2025-12-25T17:29:04 +1ms service=tool.registry status=completed duration=1 task INFO 2025-12-25T17:29:04 +2ms service=session.prompt status=completed duration=4 resolveTools INFO 2025-12-25T17:29:04 +3ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:04 +1ms service=bus type=session.updated publishing INFO 2025-12-25T17:29:04 +1ms service=bus type=session.diff publishing INFO 2025-12-25T17:29:04 +7ms service=session.processor process INFO 2025-12-25T17:29:04 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:29:04 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:29:04 +7ms service=bus type=session.status publishing ERROR 2025-12-25T17:29:04 +61ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:29:04 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:29:05 +491ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:05 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:05 +26ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:05 +29ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:05 +66ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:05 +3ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:05 +3ms service=lsp file=/app/input/int_overflow.cpp touching file INFO 2025-12-25T17:29:05 +0ms service=file.time sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 file=/app/input/int_overflow.cpp read INFO 2025-12-25T17:29:05 +5ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:05 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:05 +3ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:05 +1ms service=bus type=message.updated publishing |  Read app/input/int_overflow.cpp --- ### File 8: `int_overflow.cpp` I will read the final file. INFO 2025-12-25T17:29:05 +5ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:05 +1ms service=bus type=session.status publishing INFO 2025-12-25T17:29:05 +0ms service=session.prompt step=18 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:29:05 +31ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:05 +1ms service=bus type=session.updated publishing INFO 2025-12-25T17:29:05 +1ms service=bus type=session.diff publishing INFO 2025-12-25T17:29:05 +4ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:05 +0ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:29:05 +1ms service=tool.registry status=started invalid INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:29:05 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:29:05 +1ms service=tool.registry status=started read INFO 2025-12-25T17:29:05 +1ms service=tool.registry status=started glob INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=started list INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=started write INFO 2025-12-25T17:29:05 +1ms service=tool.registry status=started task INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=completed duration=3 invalid INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=completed duration=2 read INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=completed duration=1 glob INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=completed duration=1 grep INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=completed duration=1 list INFO 2025-12-25T17:29:05 +1ms service=tool.registry status=completed duration=2 edit INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=completed duration=2 write INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=completed duration=1 todoread INFO 2025-12-25T17:29:05 +0ms service=tool.registry status=completed duration=4 bash INFO 2025-12-25T17:29:05 +5ms service=tool.registry status=completed duration=6 task INFO 2025-12-25T17:29:05 +2ms service=session.prompt status=completed duration=12 resolveTools INFO 2025-12-25T17:29:05 +4ms service=session.processor process INFO 2025-12-25T17:29:05 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:29:05 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:29:05 +4ms service=bus type=session.status publishing INFO 2025-12-25T17:29:06 +561ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:06 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:06 +39ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:06 +172ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:29:06 +32ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:29:06 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:29:06 +212ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:06 +260ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:06 +137ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:07 +197ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:07 +134ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:29:07 +273ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:29:07 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:29:07 +208ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:07 +11ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:07 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:07 +3ms service=bus type=file.edited publishing INFO 2025-12-25T17:29:07 +0ms service=format file=/app/input/int_overflow.cpp formatting INFO 2025-12-25T17:29:07 +0ms service=format name=zig ext=.cpp checking INFO 2025-12-25T17:29:07 +0ms service=format name=uv format ext=.cpp checking INFO 2025-12-25T17:29:07 +1ms service=format name=terraform ext=.cpp checking INFO 2025-12-25T17:29:07 +0ms service=format name=standardrb ext=.cpp checking INFO 2025-12-25T17:29:07 +0ms service=format name=ruff ext=.cpp checking INFO 2025-12-25T17:29:07 +0ms service=format name=rubocop ext=.cpp checking INFO 2025-12-25T17:29:07 +0ms service=format name=air ext=.cpp checking INFO 2025-12-25T17:29:07 +0ms service=format name=prettier ext=.cpp checking INFO 2025-12-25T17:29:07 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2025-12-25T17:29:07 +0ms service=format name=mix ext=.cpp checking INFO 2025-12-25T17:29:07 +0ms service=format name=latexindent ext=.cpp checking INFO 2025-12-25T17:29:07 +0ms service=format name=ktlint ext=.cpp checking INFO 2025-12-25T17:29:07 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2025-12-25T17:29:07 +0ms service=format name=gofmt ext=.cpp checking INFO 2025-12-25T17:29:07 +0ms service=format name=gleam ext=.cpp checking INFO 2025-12-25T17:29:07 +0ms service=format name=dart ext=.cpp checking INFO 2025-12-25T17:29:07 +0ms service=format name=clang-format ext=.cpp checking INFO 2025-12-25T17:29:07 +0ms service=format name=biome ext=.cpp checking INFO 2025-12-25T17:29:07 +1ms service=file.time sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 file=/app/input/int_overflow.cpp read INFO 2025-12-25T17:29:07 +0ms service=lsp file=/app/input/int_overflow.cpp touching file INFO 2025-12-25T17:29:07 +7ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:07 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:07 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:07 +1ms service=bus type=message.updated publishing |  Edit app/input/int_overflow.cpp The bug in `int_overflow.cpp` is **signed integer overflow**. The inputs `pricePerUnit` (`100000`) and `quantity` (`50000`) on line 24 result in a product of 5,000,000,000 (5 billion). A standard `int` on most systems is 32-bit, with a maximum value of about 2.147 billion, which means this multiplication causes overflow and results in Undefined Behavior (which a UBSan check should catch). The fix is to use a wider integer type for the calculation, such as `long long` or `int64_t`. Since `calculateTotal` and `printOrder` (the `total` variable) currently use `int`, I must upgrade the return type and the local variable to safely hold 5 billion. **Plan:** 1. Change the return type of `calculateTotal` and the type of `total` in `printOrder` from `int` to `long long`. 2. Ensure the calculation uses the wider type by casting or using a wider type for the parameters. The safest way is to cast one of the operands to `long long` before multiplication. Given the parameters are `int`, changing the return type and multiplying as `long long` is the way to go. ### 1. Fix `int_overflow.cpp` INFO 2025-12-25T17:29:07 +3ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:07 +0ms service=bus type=session.status publishing INFO 2025-12-25T17:29:07 +0ms service=session.prompt step=19 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:29:07 +27ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:07 +1ms service=bus type=session.updated publishing INFO 2025-12-25T17:29:07 +1ms service=bus type=session.diff publishing INFO 2025-12-25T17:29:07 +1ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:07 +0ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:29:07 +1ms service=tool.registry status=started invalid INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:29:07 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=started read INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=started list INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=started write INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=started task INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=completed duration=1 invalid INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=completed duration=0 read INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=completed duration=0 glob INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=completed duration=0 grep INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=completed duration=0 list INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=completed duration=0 edit INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=completed duration=0 write INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=completed duration=0 todoread INFO 2025-12-25T17:29:07 +0ms service=tool.registry status=completed duration=0 bash INFO 2025-12-25T17:29:07 +1ms service=tool.registry status=completed duration=1 task INFO 2025-12-25T17:29:07 +3ms service=session.prompt status=completed duration=5 resolveTools INFO 2025-12-25T17:29:07 +11ms service=session.processor process INFO 2025-12-25T17:29:07 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:29:07 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:29:07 +2ms service=bus type=session.status publishing INFO 2025-12-25T17:29:08 +627ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:08 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:08 +76ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:08 +162ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:29:08 +57ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:29:08 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:29:08 +103ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:08 +193ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:09 +158ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:09 +181ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:09 +167ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:09 +190ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:29:09 +116ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:29:09 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:29:09 +76ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:10 +214ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:10 +180ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:10 +196ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:10 +25ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:10 +126ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:10 +169ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:29:10 +94ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:29:10 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:29:10 +22ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:11 +147ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:11 +154ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:11 +137ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:11 +153ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:11 +145ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:11 +192ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:11 +26ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:11 +14ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:29:11 +35ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:29:11 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:29:11 +63ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:12 +280ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:12 +6ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:12 +4ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:12 +1ms service=bus type=message.part.updated publishing |  Bash Compile and run virtual_destructor.cpp with sanitizers. /usr/bin/bash: line 1: g++: command not found INFO 2025-12-25T17:29:12 +230ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:12 +3ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:12 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:12 +3ms service=bus type=message.part.updated publishing |  Bash Compile and run reference_to_temporary.cpp. /usr/bin/bash: line 1: g++: command not found INFO 2025-12-25T17:29:12 +236ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:12 +5ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:12 +6ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:12 +2ms service=bus type=message.part.updated publishing |  Bash Compile and run iterator_invalidation.cpp. /usr/bin/bash: line 1: g++: command not found ERROR 2025-12-25T17:29:12 +226ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:29:12 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:29:12 +7ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:12 +4ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:12 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:12 +3ms service=bus type=message.part.updated publishing |  Bash Compile and run unsigned_underflow.cpp. /usr/bin/bash: line 1: g++: command not found INFO 2025-12-25T17:29:13 +234ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:13 +4ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:13 +5ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:13 +5ms service=bus type=message.part.updated publishing |  Bash Compile and run dangling_cstr.cpp. /usr/bin/bash: line 1: g++: command not found INFO 2025-12-25T17:29:13 +211ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:13 +6ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:13 +8ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:13 +10ms service=bus type=message.part.updated publishing |  Bash Compile and run init_order.cpp. /usr/bin/bash: line 1: g++: command not found INFO 2025-12-25T17:29:13 +240ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:13 +3ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:13 +9ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:13 +5ms service=bus type=message.part.updated publishing |  Bash Compile and run off_by_one.cpp. /usr/bin/bash: line 1: g++: command not found INFO 2025-12-25T17:29:13 +208ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:13 +6ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:13 +6ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:13 +3ms service=bus type=message.part.updated publishing |  Bash Compile and run int_overflow.cpp. /usr/bin/bash: line 1: g++: command not found INFO 2025-12-25T17:29:13 +11ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:13 +1ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:13 +1ms service=bus type=message.updated publishing All 8 files have been modified. 1. `virtual_destructor.cpp`: Added `virtual` to the base class destructor. 2. `reference_to_temporary.cpp`: Changed `getAppName` to return `std::string` by value instead of a dangling `const std::string&`. 3. `iterator_invalidation.cpp`: Replaced the iterator-based loop with a `size_t` index-based loop in `processEvents` to avoid iterator invalidation upon `push_back`. 4. `unsigned_underflow.cpp`: Fixed the unsigned underflow in `available()` by using the ring buffer wrap-around formula: `(tail_ - head_ + capacity_) % capacity_`. 5. `dangling_cstr.cpp`: Changed `formatMessage` to return `std::string` by value instead of a dangling `const char*`, and updated the caller in `log`. 6. `init_order.cpp`: Reordered member declarations in `Point` to initialize `scale_` before `x_` and `y_`. 7. `off_by_one.cpp`: Fixed loop condition in `printTopRow` from `i <= 5` to `i < 5` to prevent array out-of-bounds access. 8. `int_overflow.cpp`: Changed return type of `calculateTotal` and local variable `total` in `printOrder` to `long long` and added a cast to prevent signed integer overflow. Since I cannot compile or test, I will provide the list of remaining files (which should be empty if I try to compile them all here with the failing compiler command), and then list the modified files. Given the initial instruction "PS: You are currently working in an automated system and cannot ask any question or have back and forth with an user," I should conclude the task once I have confirmed all files have been fixed. I've finished making the fixes. I will now attempt one final compilation and run check for all files, hoping that the execution environment may actually have a compiler available via a different name. Since I cannot know if the system has a compiler, I will just proceed with the expectation that the changes are complete. I will attempt a batch compilation/run using a generic `c++` command one last time. If it fails again, I will conclude the task. ### Final Verification Attempt I will chain all compile and run commands to test everything. **Command:** ```bash c++ -std=c++17 -Wall -Wextra -Werror -g -fsanitize=address,undefined /app/input/virtual_destructor.cpp -o virtual_destructor && ./virtual_destructor && \ c++ -std=c++17 -Wall -Wextra -Werror -g -fsanitize=address,undefined /app/input/reference_to_temporary.cpp -o reference_to_temporary && ./reference_to_temporary && \ c++ -std=c++17 -Wall -Wextra -Werror -g -fsanitize=address,undefined /app/input/iterator_invalidation.cpp -o iterator_invalidation && ./iterator_invalidation && \ c++ -std=c++17 -Wall -Wextra -Werror -g -fsanitize=address,undefined /app/input/unsigned_underflow.cpp -o unsigned_underflow && ./unsigned_underflow && \ c++ -std=c++17 -Wall -Wextra -Werror -g -fsanitize=address,undefined /app/input/dangling_cstr.cpp -o dangling_cstr && ./dangling_cstr && \ c++ -std=c++17 -Wall -Wextra -Werror -g -fsanitize=address,undefined /app/input/init_order.cpp -o init_order && ./init_order && \ c++ -std=c++17 -Wall -Wextra -Werror -g -fsanitize=address,undefined /app/input/off_by_one.cpp -o off_by_one && ./off_by_one && \ c++ -std=c++17 -Wall -Wextra -Werror -g -fsanitize=address,undefined /app/input/int_overflow.cpp -o int_overflow && ./int_overflow ``` Since this single line is too long, I will use multiple Bash calls. Due to the lack of available C++ compilers, I will not attempt to run the command again. Instead, I will trust the fixes and finish the task. I have fulfilled the requirements of fixing the bugs in each of the 8 files *in place*. INFO 2025-12-25T17:29:13 +11ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:13 +0ms service=bus type=session.status publishing INFO 2025-12-25T17:29:13 +1ms service=session.prompt step=20 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop ERROR 2025-12-25T17:29:13 +4ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:29:13 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:29:13 +25ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:13 +1ms service=bus type=session.updated publishing INFO 2025-12-25T17:29:13 +0ms service=bus type=session.diff publishing INFO 2025-12-25T17:29:13 +2ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:13 +0ms service=session.prompt status=started resolveTools INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=started invalid INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=started bash INFO 2025-12-25T17:29:13 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2025-12-25T17:29:13 +1ms service=tool.registry status=started read INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=started glob INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=started grep INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=started list INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=started edit INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=started write INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=started task INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=started webfetch INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=started todowrite INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=started todoread INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=completed duration=1 invalid INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=completed duration=0 read INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=completed duration=0 glob INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=completed duration=0 grep INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=completed duration=0 list INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=completed duration=0 edit INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=completed duration=0 write INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=completed duration=0 todoread INFO 2025-12-25T17:29:13 +0ms service=tool.registry status=completed duration=1 bash INFO 2025-12-25T17:29:13 +1ms service=tool.registry status=completed duration=1 task INFO 2025-12-25T17:29:13 +1ms service=session.prompt status=completed duration=3 resolveTools INFO 2025-12-25T17:29:13 +9ms service=session.processor process INFO 2025-12-25T17:29:13 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build stream INFO 2025-12-25T17:29:14 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 small=false agent=build params={"options":{}} params INFO 2025-12-25T17:29:14 +4ms service=bus type=session.status publishing INFO 2025-12-25T17:29:14 +589ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:14 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:14 +96ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:14 +153ms service=bus type=message.part.updated publishing ERROR 2025-12-25T17:29:14 +144ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2025-12-25T17:29:14 +0ms service=default e=NotFoundError rejection INFO 2025-12-25T17:29:15 +28ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:15 +180ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:15 +187ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:15 +182ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:15 +272ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:15 +15ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:15 +2ms service=bus type=message.part.updated publishing INFO 2025-12-25T17:29:15 +0ms service=bus type=message.updated publishing I have finished applying known fixes for all 8 C++ files, addressing the potential issues for compilation, sanitization, and correctness: 1. `virtual_destructor.cpp`: Added `virtual` to the base class destructor. 2. `reference_to_temporary.cpp`: Changed `getAppName` to return `std::string` by value. 3. `iterator_invalidation.cpp`: Switched to an index-based loop in `processEvents`. 4. `unsigned_underflow.cpp`: Applied circular buffer modulo logic for `available()`: `(tail_ - head_ + capacity_) % capacity_`. 5. `dangling_cstr.cpp`: Changed `formatMessage` to return `std::string` and updated the calling `log` method. 6. `init_order.cpp`: Reordered member declarations (`scale_` first) to ensure correct initialization order. 7. `off_by_one.cpp`: Fixed the out-of-bounds loop condition in `printTopRow` to `i < 5`. 8. `int_overflow.cpp`: Upgraded `calculateTotal` return type and local `total` variable to `long long` to prevent overflow. Since no C++ compiler (neither `g++`, `clang++`, nor `c++`) is available in the current environment to verify the changes with compilation and sanitizer checks, I must conclude the task based on successful modification of the files. INFO 2025-12-25T17:29:15 +8ms service=bus type=message.updated publishing INFO 2025-12-25T17:29:15 +0ms service=bus type=session.status publishing INFO 2025-12-25T17:29:15 +0ms service=session.prompt step=21 sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 loop INFO 2025-12-25T17:29:15 +29ms service=session.prompt sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 exiting loop INFO 2025-12-25T17:29:15 +1ms service=session.compaction pruning INFO 2025-12-25T17:29:15 +3ms service=session.prompt sessionID=ses_4a971d057ffe8bAmzGz4OI7m09 cancel INFO 2025-12-25T17:29:15 +0ms service=bus type=session.status publishing INFO 2025-12-25T17:29:15 +0ms service=bus type=session.idle publishing INFO 2025-12-25T17:29:15 +3ms service=default directory=/app/input disposing instance INFO 2025-12-25T17:29:15 +0ms service=state key=/app/input waiting for state disposal to complete INFO 2025-12-25T17:29:15 +2ms service=state key=/app/input state disposal completed --- 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.