/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_20260110_150042/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: 693b42ac 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 151 models to OpenCode configuration Added openrouter standard provider with 349 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 2026-01-10T15:48:43 +464ms service=default version=1.0.212 args=["run","--print-logs"] opencode INFO 2026-01-10T15:48:43 +2ms service=default directory=/app/input creating instance INFO 2026-01-10T15:48:43 +0ms service=project directory=/app/input fromDirectory INFO 2026-01-10T15:48:43 +3ms service=storage index=0 running migration ERROR 2026-01-10T15:48:43 +2ms service=storage index=0 failed to run migration INFO 2026-01-10T15:48:43 +0ms service=storage index=1 running migration INFO 2026-01-10T15:48:43 +3ms service=default directory=/app/input bootstrapping INFO 2026-01-10T15:48:43 +3ms service=config path=/home/cubbi/.config/opencode/config.json loading INFO 2026-01-10T15:48:43 +24ms service=config path=/home/cubbi/.config/opencode/opencode.json loading INFO 2026-01-10T15:48:43 +0ms service=config path=/home/cubbi/.config/opencode/opencode.jsonc loading INFO 2026-01-10T15:48:43 +4ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","add","@opencode-ai/plugin@1.0.212","--exact"] cwd=/home/cubbi/.config/opencode running INFO 2026-01-10T15:48:44 +438ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd) installed @opencode-ai/plugin@1.0.212 3 packages installed [422.00ms] stderr=Resolving dependencies Resolved, downloaded and extracted [12] Saved lockfile done INFO 2026-01-10T15:48:44 +0ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","install"] cwd=/home/cubbi/.config/opencode running INFO 2026-01-10T15:48:44 +11ms service=bun code=0 stdout=bun install v1.3.5 (1e86cebd) Checked 3 installs across 4 packages (no changes) [2.00ms] stderr= done INFO 2026-01-10T15:48:44 +9ms service=plugin path=opencode-copilot-auth@0.0.9 loading plugin INFO 2026-01-10T15:48:44 +4ms service=bun pkg=opencode-copilot-auth version=0.0.9 installing package using Bun's default registry resolution INFO 2026-01-10T15:48:44 +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 2026-01-10T15:48:44 +91ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd) installed opencode-copilot-auth@0.0.9 1 package installed [84.00ms] stderr=Resolving dependencies Resolved, downloaded and extracted [4] Saved lockfile done INFO 2026-01-10T15:48:44 +3ms service=plugin path=opencode-anthropic-auth@0.0.5 loading plugin INFO 2026-01-10T15:48:44 +1ms service=bun pkg=opencode-anthropic-auth version=0.0.5 installing package using Bun's default registry resolution INFO 2026-01-10T15:48:44 +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 2026-01-10T15:48:44 +573ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd) + opencode-copilot-auth@0.0.9 installed opencode-anthropic-auth@0.0.5 14 packages installed [565.00ms] stderr=Resolving dependencies Resolved, downloaded and extracted [50] Saved lockfile done INFO 2026-01-10T15:48:44 +29ms service=bus type=* subscribing INFO 2026-01-10T15:48:44 +0ms service=bus type=session.updated subscribing INFO 2026-01-10T15:48:44 +0ms service=bus type=message.updated subscribing INFO 2026-01-10T15:48:44 +0ms service=bus type=message.part.updated subscribing INFO 2026-01-10T15:48:44 +0ms service=bus type=session.updated subscribing INFO 2026-01-10T15:48:44 +0ms service=bus type=message.updated subscribing INFO 2026-01-10T15:48:44 +0ms service=bus type=message.part.updated subscribing INFO 2026-01-10T15:48:44 +0ms service=bus type=session.diff subscribing INFO 2026-01-10T15:48:44 +0ms service=format init INFO 2026-01-10T15:48:44 +0ms service=bus type=file.edited subscribing INFO 2026-01-10T15:48:44 +1ms service=lsp serverIds=deno, typescript, vue, eslint, oxlint, biome, gopls, ruby-lsp, pyright, elixir-ls, zls, csharp, fsharp, sourcekit-lsp, rust, clangd, svelte, astro, jdtls, yaml-ls, lua-ls, php intelephense, dart, ocaml-lsp, bash, terraform, texlab, dockerfile, gleam, clojure-lsp, nixd, tinymist, haskell-language-server enabled LSP servers INFO 2026-01-10T15:48:44 +3ms service=bus type=command.executed subscribing INFO 2026-01-10T15:48:44 +42ms service=server method=POST path=/session request INFO 2026-01-10T15:48:44 +0ms service=server status=started method=POST path=/session request INFO 2026-01-10T15:48:44 +3ms service=session id=ses_45767812fffekRrxKwgw1tQzdk version=1.0.212 projectID=global directory=/app/input title=New session - 2026-01-10T15:48:44.880Z time={"created":1768060124880,"updated":1768060124880} created INFO 2026-01-10T15:48:44 +5ms service=bus type=session.created publishing INFO 2026-01-10T15:48:44 +1ms service=bus type=session.updated publishing INFO 2026-01-10T15:48:44 +1ms service=server status=completed duration=10 method=POST path=/session request INFO 2026-01-10T15:48:44 +1ms service=server method=GET path=/config request INFO 2026-01-10T15:48:44 +0ms service=server status=started method=GET path=/config request INFO 2026-01-10T15:48:44 +1ms service=server status=completed duration=1 method=GET path=/config request INFO 2026-01-10T15:48:44 +4ms service=server method=GET path=/event request INFO 2026-01-10T15:48:44 +0ms service=server status=started method=GET path=/event request INFO 2026-01-10T15:48:44 +0ms service=server event connected INFO 2026-01-10T15:48:44 +2ms service=bus type=* subscribing INFO 2026-01-10T15:48:44 +2ms service=server status=completed duration=4 method=GET path=/event request INFO 2026-01-10T15:48:44 +3ms service=server method=POST path=/session/ses_45767812fffekRrxKwgw1tQzdk/message request INFO 2026-01-10T15:48:44 +0ms service=server status=started method=POST path=/session/ses_45767812fffekRrxKwgw1tQzdk/message request INFO 2026-01-10T15:48:44 +4ms service=server status=completed duration=4 method=POST path=/session/ses_45767812fffekRrxKwgw1tQzdk/message request INFO 2026-01-10T15:48:44 +10ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:44 +6ms service=provider status=started state INFO 2026-01-10T15:48:44 +4ms service=models.dev file={} refreshing INFO 2026-01-10T15:48:44 +22ms service=provider init INFO 2026-01-10T15:48:44 +5ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:44 +2ms service=bus type=session.updated publishing INFO 2026-01-10T15:48:44 +2ms service=bus type=session.status publishing INFO 2026-01-10T15:48:44 +0ms service=session.prompt step=0 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop INFO 2026-01-10T15:48:44 +18ms service=provider providerID=openrouter found INFO 2026-01-10T15:48:44 +0ms service=provider providerID=opencode found INFO 2026-01-10T15:48:44 +0ms service=provider providerID=litellm found INFO 2026-01-10T15:48:44 +0ms service=provider status=completed duration=53 state INFO 2026-01-10T15:48:44 +5ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=true agent=title stream INFO 2026-01-10T15:48:44 +1ms service=provider status=started providerID=openrouter getSDK INFO 2026-01-10T15:48:44 +0ms service=provider providerID=openrouter pkg=@ai-sdk/openai-compatible using bundled provider INFO 2026-01-10T15:48:44 +1ms service=provider status=completed duration=1 providerID=openrouter getSDK INFO 2026-01-10T15:48:44 +1ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:44 +2ms service=session.prompt status=started resolveTools INFO 2026-01-10T15:48:44 +4ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=true agent=title params={"options":{"reasoningEffort":"minimal"}} params INFO 2026-01-10T15:48:45 +16ms service=tool.registry status=started invalid INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=started bash INFO 2026-01-10T15:48:45 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=started read INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=started glob INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=started grep INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=started edit INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=started write INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=started task INFO 2026-01-10T15:48:45 +1ms service=tool.registry status=started webfetch INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=started todowrite INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=started todoread INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=started skill INFO 2026-01-10T15:48:45 +2ms service=tool.registry status=completed duration=4 invalid INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=completed duration=3 read INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=completed duration=3 glob INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=completed duration=3 grep INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=completed duration=3 edit INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=completed duration=3 write INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=completed duration=2 webfetch INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=completed duration=2 todowrite INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=completed duration=2 todoread INFO 2026-01-10T15:48:45 +0ms service=tool.registry status=completed duration=4 bash INFO 2026-01-10T15:48:45 +1ms service=tool.registry status=completed duration=3 task INFO 2026-01-10T15:48:45 +1ms service=tool.registry status=completed duration=4 skill INFO 2026-01-10T15:48:45 +11ms service=session.prompt status=completed duration=37 resolveTools INFO 2026-01-10T15:48:45 +6ms service=session.processor process INFO 2026-01-10T15:48:45 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build stream INFO 2026-01-10T15:48:45 +0ms service=provider status=started providerID=openrouter getSDK INFO 2026-01-10T15:48:45 +0ms service=provider status=completed duration=0 providerID=openrouter getSDK INFO 2026-01-10T15:48:45 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params INFO 2026-01-10T15:48:45 +2ms service=bus type=session.status publishing INFO 2026-01-10T15:48:45 +3ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:45 +1ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=true agent=title stream INFO 2026-01-10T15:48:45 +0ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=true agent=title params={"options":{"reasoningEffort":"minimal"}} params INFO 2026-01-10T15:48:45 +3ms service=bus type=session.updated publishing INFO 2026-01-10T15:48:45 +7ms service=bus type=session.diff publishing INFO 2026-01-10T15:48:45 +628ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:45 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:45 +67ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:45 +72ms service=bus type=message.part.updated publishing ERROR 2026-01-10T15:48:45 +78ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:48:45 +0ms service=default e=NotFoundError rejection INFO 2026-01-10T15:48:45 +42ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:46 +132ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:46 +164ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:46 +179ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:46 +37ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:46 +136ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:46 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:46 +17ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:46 +7ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:46 +4ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:46 +0ms service=bus type=message.updated publishing |  Glob app/input I see a challenging set of C++ bug fixes ahead. This will require carefully analyzing the C++ files, identifying the subtle errors, and applying fixes that ensure compilation, safety, and correctness. Since I have a list of files to fix and I must work *in place* and *independently* without asking questions, I will proceed by: 1. Using `glob` to confirm the files exist (though they were listed, it's good practice). 2. Reading the content of the first file, `virtual_destructor.cpp`. 3. Analyzing the code and identifying the bug. 4. Applying the fix using `edit` or `write`. 5. Repeating this process for all files. I'll start with the first batch of files. First, I will use `glob` to verify the presence of all required files. Since no directory is specified, I'll assume they are in the current working directory `/app/input`. INFO 2026-01-10T15:48:46 +9ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:46 +0ms service=bus type=session.status publishing INFO 2026-01-10T15:48:46 +0ms service=session.prompt step=1 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop INFO 2026-01-10T15:48:46 +3ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:46 +0ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=true agent=title stream INFO 2026-01-10T15:48:46 +0ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=true agent=title params={"options":{"reasoningEffort":"minimal"}} params INFO 2026-01-10T15:48:46 +4ms service=bus type=session.updated publishing INFO 2026-01-10T15:48:46 +0ms service=bus type=session.diff publishing INFO 2026-01-10T15:48:46 +5ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:46 +7ms service=session.prompt status=started resolveTools INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=started invalid INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=started bash INFO 2026-01-10T15:48:46 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-10T15:48:46 +1ms service=tool.registry status=started read INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=started glob INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=started grep INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=started edit INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=started write INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=started task INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=started webfetch INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=started todowrite INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=started todoread INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=started skill INFO 2026-01-10T15:48:46 +1ms service=tool.registry status=completed duration=1 invalid INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=completed duration=1 read INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=completed duration=1 edit INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-10T15:48:46 +1ms service=tool.registry status=completed duration=2 todoread INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=completed duration=3 bash INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=completed duration=2 skill INFO 2026-01-10T15:48:46 +0ms service=tool.registry status=completed duration=2 task INFO 2026-01-10T15:48:46 +6ms service=session.prompt status=completed duration=9 resolveTools INFO 2026-01-10T15:48:46 +12ms service=session.processor process INFO 2026-01-10T15:48:46 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build stream INFO 2026-01-10T15:48:46 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params INFO 2026-01-10T15:48:46 +7ms service=bus type=session.status publishing ERROR 2026-01-10T15:48:46 +273ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:48:46 +0ms service=default e=NotFoundError rejection INFO 2026-01-10T15:48:47 +417ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:47 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:47 +58ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:47 +99ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:47 +114ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:47 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:47 +10ms service=lsp file=/app/input/virtual_destructor.cpp touching file INFO 2026-01-10T15:48:47 +0ms service=file.time sessionID=ses_45767812fffekRrxKwgw1tQzdk file=/app/input/virtual_destructor.cpp read INFO 2026-01-10T15:48:47 +4ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:47 +3ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:47 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:47 +1ms service=bus type=message.updated publishing |  Read app/input/virtual_destructor.cpp The files are present. I will now start fixing the bugs one by one. Starting with `virtual_destructor.cpp`. **Task 1: Fix `virtual_destructor.cpp`** INFO 2026-01-10T15:48:47 +14ms service=lsp.server downloading clangd from GitHub releases INFO 2026-01-10T15:48:47 +1ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:47 +0ms service=bus type=session.status publishing INFO 2026-01-10T15:48:47 +1ms service=session.prompt step=2 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop INFO 2026-01-10T15:48:47 +12ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:47 +2ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=true agent=title stream INFO 2026-01-10T15:48:47 +0ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=true agent=title params={"options":{"reasoningEffort":"minimal"}} params INFO 2026-01-10T15:48:47 +4ms service=bus type=session.updated publishing INFO 2026-01-10T15:48:47 +0ms service=bus type=session.diff publishing INFO 2026-01-10T15:48:47 +4ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:47 +0ms service=session.prompt status=started resolveTools INFO 2026-01-10T15:48:47 +0ms service=tool.registry status=started invalid INFO 2026-01-10T15:48:47 +1ms service=tool.registry status=started bash INFO 2026-01-10T15:48:47 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-10T15:48:47 +0ms service=tool.registry status=started read INFO 2026-01-10T15:48:47 +1ms service=tool.registry status=started glob INFO 2026-01-10T15:48:47 +0ms service=tool.registry status=started grep INFO 2026-01-10T15:48:47 +0ms service=tool.registry status=started edit INFO 2026-01-10T15:48:47 +0ms service=tool.registry status=started write INFO 2026-01-10T15:48:47 +0ms service=tool.registry status=started task INFO 2026-01-10T15:48:47 +0ms service=tool.registry status=started webfetch INFO 2026-01-10T15:48:47 +1ms service=tool.registry 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service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:48 +0ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:48 +1ms service=bus type=message.part.updated publishing ERROR 2026-01-10T15:48:48 +0ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:48:48 +0ms service=default e=NotFoundError rejection ERROR 2026-01-10T15:48:48 +131ms service=lsp.server error=Failed with exit code 1 Failed to extract clangd archive INFO 2026-01-10T15:48:48 +15ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:48 +106ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:48 +182ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:48 +115ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:49 +156ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:49 +30ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:49 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:49 +5ms service=bus type=file.edited publishing INFO 2026-01-10T15:48:49 +1ms service=format file=/app/input/virtual_destructor.cpp formatting INFO 2026-01-10T15:48:49 +1ms service=format name=zig ext=.cpp checking INFO 2026-01-10T15:48:49 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-10T15:48:49 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-10T15:48:49 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-10T15:48:49 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-10T15:48:49 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-10T15:48:49 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-10T15:48:49 +0ms service=format name=air ext=.cpp checking INFO 2026-01-10T15:48:49 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-10T15:48:49 +0ms service=format name=oxfmt ext=.cpp checking INFO 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sessionID=ses_45767812fffekRrxKwgw1tQzdk file=/app/input/virtual_destructor.cpp read INFO 2026-01-10T15:48:49 +0ms service=lsp file=/app/input/virtual_destructor.cpp touching file **Analysis of `virtual_destructor.cpp`:** The bug is a classic C++ memory leak: **Missing a `virtual` destructor in the base class `Plugin`**. When `delete p;` is called on a base class pointer (`Plugin*`) pointing to a derived class object (`ImagePlugin`), if the base class destructor is not `virtual`, only the base class destructor (`~Plugin()`) is called. The derived class destructor (`~ImagePlugin()`) is skipped, leading to a memory leak of `imageData_`. **Fix:** Add the `virtual` keyword to the `Plugin` class destructor on line 12. ```cpp 00012| ~Plugin() { // BUG: Missing virtual ``` Change to: ```cpp 00012| virtual ~Plugin() { ``` INFO 2026-01-10T15:48:49 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:49 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:49 +0ms service=bus type=message.updated publishing |  Edit app/input/virtual_destructor.cpp INFO 2026-01-10T15:48:49 +19ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:49 +0ms service=bus type=session.status publishing INFO 2026-01-10T15:48:49 +0ms service=session.prompt step=3 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop INFO 2026-01-10T15:48:49 +10ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:49 +0ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 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providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params INFO 2026-01-10T15:48:49 +4ms service=bus type=session.status publishing ERROR 2026-01-10T15:48:49 +168ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:48:49 +0ms service=default e=NotFoundError rejection INFO 2026-01-10T15:48:49 +399ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:49 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:49 +21ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:49 +39ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:49 +24ms service=bus type=session.updated publishing INFO 2026-01-10T15:48:49 +62ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:49 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:49 +2ms service=lsp file=/app/input/reference_to_temporary.cpp touching file INFO 2026-01-10T15:48:49 +1ms service=file.time sessionID=ses_45767812fffekRrxKwgw1tQzdk file=/app/input/reference_to_temporary.cpp read INFO 2026-01-10T15:48:49 +1ms service=bus type=message.part.updated publishing |  Read app/input/reference_to_temporary.cpp INFO 2026-01-10T15:48:49 +11ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:49 +3ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:49 +1ms service=bus type=message.updated publishing **Task 2: Fix `reference_to_temporary.cpp`** Next file: `reference_to_temporary.cpp`. 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status=started resolveTools INFO 2026-01-10T15:48:50 +0ms service=tool.registry status=started invalid INFO 2026-01-10T15:48:50 +0ms service=tool.registry status=started bash INFO 2026-01-10T15:48:50 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-10T15:48:50 +1ms service=tool.registry status=started read INFO 2026-01-10T15:48:50 +0ms service=tool.registry status=started glob INFO 2026-01-10T15:48:50 +0ms service=tool.registry status=started grep INFO 2026-01-10T15:48:50 +0ms service=tool.registry status=started edit INFO 2026-01-10T15:48:50 +0ms service=tool.registry status=started write INFO 2026-01-10T15:48:50 +0ms service=tool.registry status=started task INFO 2026-01-10T15:48:50 +0ms service=tool.registry status=started webfetch INFO 2026-01-10T15:48:50 +0ms service=tool.registry status=started todowrite INFO 2026-01-10T15:48:50 +0ms service=tool.registry status=started todoread INFO 2026-01-10T15:48:50 +1ms service=tool.registry status=started skill 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2026-01-10T15:48:50 +0ms service=default e=NotFoundError rejection INFO 2026-01-10T15:48:50 +6ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:50 +47ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:50 +24ms service=session.summary title=Fixing subtle C++ bugs title INFO 2026-01-10T15:48:50 +0ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:50 +97ms service=session.summary title=Fixing C++ subtle bugs title INFO 2026-01-10T15:48:50 +1ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:50 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:51 +136ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:51 +304ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:51 +125ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:51 +44ms service=bus type=message.part.updated publishing ERROR 2026-01-10T15:48:51 +223ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:48:51 +0ms service=default e=NotFoundError rejection INFO 2026-01-10T15:48:51 +4ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:51 +25ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:51 +0ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:51 +1ms service=bus type=file.edited publishing INFO 2026-01-10T15:48:51 +0ms service=format file=/app/input/reference_to_temporary.cpp formatting INFO 2026-01-10T15:48:51 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=air ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-10T15:48:51 +1ms service=format name=dart ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-10T15:48:51 +0ms service=file.time sessionID=ses_45767812fffekRrxKwgw1tQzdk file=/app/input/reference_to_temporary.cpp read INFO 2026-01-10T15:48:51 +0ms service=lsp file=/app/input/reference_to_temporary.cpp touching file INFO 2026-01-10T15:48:51 +1ms service=bus type=message.part.updated publishing |  Edit app/input/reference_to_temporary.cpp INFO 2026-01-10T15:48:51 +19ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:51 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:51 +1ms service=bus type=message.updated publishing **Analysis of `reference_to_temporary.cpp`:** The bug is a **reference to a temporary object**. In `getAppName()`, a temporary `std::string("MyApplication")` is created and a reference to it is returned (line 9). However, this temporary object is destroyed at the end of the full expression (line 20 in `main`), leaving `appName` as a dangling reference. Dereferencing it later (line 23) leads to Undefined Behavior (and likely an empty or garbage string). The fix is to return the string by value, as the temporary cannot be safely extended across the call boundary and the member function does not operate on member data. **Fix:** Change the return type of `getAppName` from `const std::string&` to `std::string`. ```cpp 00008| const std::string& getAppName() { ``` Change to: ```cpp 00008| std::string getAppName() { ``` INFO 2026-01-10T15:48:51 +2ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:51 +0ms service=bus type=session.status publishing INFO 2026-01-10T15:48:51 +0ms service=session.prompt step=5 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop INFO 2026-01-10T15:48:51 +16ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:51 +2ms service=bus type=session.updated publishing INFO 2026-01-10T15:48:51 +0ms service=bus type=session.diff publishing INFO 2026-01-10T15:48:51 +2ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:51 +0ms service=session.prompt status=started resolveTools INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=started invalid INFO 2026-01-10T15:48:51 +1ms service=tool.registry status=started bash INFO 2026-01-10T15:48:51 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=started read INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=started glob INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=started grep INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=started edit INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=started write INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=started task INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=started webfetch INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=started todowrite INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=started todoread INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=started skill INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=completed duration=0 read INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=completed duration=0 write INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-10T15:48:51 +1ms service=tool.registry status=completed duration=1 todoread INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-01-10T15:48:51 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-10T15:48:51 +2ms service=session.prompt status=completed duration=4 resolveTools INFO 2026-01-10T15:48:51 +2ms service=session.processor process INFO 2026-01-10T15:48:51 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build stream INFO 2026-01-10T15:48:51 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params INFO 2026-01-10T15:48:51 +3ms service=bus type=session.status publishing INFO 2026-01-10T15:48:52 +636ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:52 +5ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:52 +23ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:52 +33ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:52 +110ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:52 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:52 +14ms service=lsp file=/app/input/iterator_invalidation.cpp touching file INFO 2026-01-10T15:48:52 +0ms service=file.time sessionID=ses_45767812fffekRrxKwgw1tQzdk file=/app/input/iterator_invalidation.cpp read INFO 2026-01-10T15:48:52 +1ms service=bus type=message.part.updated publishing |  Read app/input/iterator_invalidation.cpp INFO 2026-01-10T15:48:52 +20ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:52 +4ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:52 +0ms service=bus type=message.updated publishing **Task 3: Fix `iterator_invalidation.cpp`** Next file: `iterator_invalidation.cpp`. INFO 2026-01-10T15:48:52 +9ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:52 +0ms service=bus type=session.status publishing INFO 2026-01-10T15:48:52 +0ms service=session.prompt step=6 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop INFO 2026-01-10T15:48:52 +11ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:52 +2ms service=bus type=session.updated publishing INFO 2026-01-10T15:48:52 +0ms service=bus type=session.diff publishing INFO 2026-01-10T15:48:52 +5ms service=bus type=message.updated publishing INFO 2026-01-10T15:48:52 +0ms service=session.prompt status=started resolveTools INFO 2026-01-10T15:48:52 +1ms service=tool.registry status=started invalid INFO 2026-01-10T15:48:52 +0ms service=tool.registry status=started bash INFO 2026-01-10T15:48:52 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-10T15:48:52 +0ms service=tool.registry status=started read INFO 2026-01-10T15:48:52 +0ms service=tool.registry 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service=tool.registry status=completed duration=0 edit INFO 2026-01-10T15:48:52 +0ms service=tool.registry status=completed duration=0 write INFO 2026-01-10T15:48:52 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-10T15:48:52 +1ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-10T15:48:52 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-01-10T15:48:52 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-10T15:48:52 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-01-10T15:48:52 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-10T15:48:52 +1ms service=session.prompt status=completed duration=3 resolveTools INFO 2026-01-10T15:48:52 +2ms service=session.processor process INFO 2026-01-10T15:48:52 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build stream INFO 2026-01-10T15:48:52 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params INFO 2026-01-10T15:48:52 +3ms service=bus type=session.status publishing ERROR 2026-01-10T15:48:52 +39ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:48:52 +0ms service=default e=NotFoundError rejection INFO 2026-01-10T15:48:53 +506ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:53 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:53 +31ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:53 +74ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:53 +104ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:48:53 +147ms service=bus type=message.part.updated publishing INFO 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rejection ERROR 2026-01-10T15:49:02 +0ms service=default e=NotFoundError rejection INFO 2026-01-10T15:49:02 +151ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:02 +295ms service=bus type=message.part.updated publishing ERROR 2026-01-10T15:49:03 +708ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:49:03 +0ms service=default e=NotFoundError rejection INFO 2026-01-10T15:49:04 +640ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:04 +5ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:04 +2ms service=bus type=file.edited publishing INFO 2026-01-10T15:49:04 +1ms service=format file=/app/input/iterator_invalidation.cpp formatting INFO 2026-01-10T15:49:04 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=air ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-10T15:49:04 +3ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-10T15:49:04 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-10T15:49:04 +1ms service=file.time sessionID=ses_45767812fffekRrxKwgw1tQzdk file=/app/input/iterator_invalidation.cpp read INFO 2026-01-10T15:49:04 +0ms service=lsp file=/app/input/iterator_invalidation.cpp touching file INFO 2026-01-10T15:49:04 +6ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:04 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:04 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:04 +1ms service=bus type=message.updated publishing **Analysis of `iterator_invalidation.cpp`:** The bug is **iterator invalidation** when modifying a `std::vector` during iteration. In `processEvents`, `events_.push_back("log_analytics")` (line 21) is called while iterating over `events_` (line 16). Because `std::vector::push_back` can reallocate the underlying memory block, any existing iterators (including `it` and the iterator returned by `events_.end()`) become invalidated if reallocation occurs. Even if no reallocation occurs, `events_.end()` is invalidated. This leads to Undefined Behavior. A common fix is to iterate over a *copy* of the events, or to use a container like `std::list` that guarantees stable iterators, or to only modify elements that appear *before* the current iterator in the iteration. Since the goal is to add new items for future processing *without* invalidating the current loop, the best fix here is to use a container with stable iterators, or to add new events to a temporary list that is later appended to the main list. Since the added event "log\_analytics" should likely not be processed *in the same loop* that added it, and because the user wants a bug fix **in place**, I'll fix the iterator issue while ensuring the intended logic works. `std::vector::push_back` is fine if the loop is structure differently, but here, the simplest fix is to prevent the modification of the container being iterated over. A safe way to handle adding items that may need to be processed later is to add them to a temporary queue. Since the requirement is to fix the bug in place, and the current structure is an event queue that processes *all* events, modifying the container *while processing* is risky. However, if the intent is to process all events, including newly generated ones, in a future call to `processEvents`, the fix is to push back to a temporary list and merge it later. If the intent is to process them *now*, a different container is needed. Given the simple structure, I will assume the intent is to safely add new events which will be picked up in a subsequent step or process. Since `EventQueue` is a class, I can use a second queue to safely store new events generated during processing. **Fix strategy:** 1. Introduce a temporary vector inside `processEvents` to store newly added events. 2. Change line 21 to push to this temporary vector. 3. After the loop, append the temporary events to `events_`. This is a structural change, but it fixes the fundamental Undefined Behavior (UB). Alternative fix: Since the original code used `std::vector::push_back`, which only invalidates iterators *past* the insertion point if reallocation does not occur (or *all* iterators if reallocation does occur), and since we are iterating from the beginning, the simplest fix that works for this specific pattern is to use a container like `std::list` or `std::deque` which guarantees stable iterators. I will use the temporary vector strategy as it keeps the `std::vector` (if that was a hard requirement) and safely avoids UB. **Plan for `iterator_invalidation.cpp`:** 1. In `processEvents`, declare a temporary vector `newEvents`. 2. Change line 21 to use `newEvents.push_back`. 3. After the loop (line 23), append `newEvents` to `events_`. ```cpp 00012| void processEvents() { 00013| std::cout << "Processing events..." << std::endl; 00014| 00015| // BUG: Iterator invalidated by push_back 00016| for (auto it = events_.begin(); it != events_.end(); ++it) { 00017| std::cout << "Event: " << *it << std::endl; 00018| 00019| // Add derived event during iteration 00020| if (*it == "user_login") { 00021| events_.push_back("log_analytics"); // Invalidates iterator! 00022| } 00023| } ``` Modified `processEvents`: ```cpp void processEvents() { std::cout << "Processing events..." << std::endl; std::vector newEvents; for (auto it = events_.begin(); it != events_.end(); ++it) { std::cout << "Event: " << *it << std::endl; if (*it == "user_login") { newEvents.push_back("log_analytics"); } } // Append new events safely after iteration events_.insert(events_.end(), newEvents.begin(), newEvents.end()); } ``` This is too many lines to change with simple `edit`. I will use `write` to replace the entire function body. ```cpp 00012| void processEvents() { 00013| std::cout << "Processing events..." << std::endl; 00014| 00015| // BUG: Iterator invalidated by push_back 00016| for (auto it = events_.begin(); it != events_.end(); ++it) { 00017| std::cout << "Event: " << *it << std::endl; 00018| 00019| // Add derived event during iteration 00020| if (*it == "user_login") { 00021| events_.push_back("log_analytics"); // Invalidates iterator! 00022| } 00023| } 00024| } ``` The new content for lines 12-24: ```cpp void processEvents() { std::cout << "Processing events..." << std::endl; std::vector newEvents; // Safely store events generated during processing for (const auto& event : events_) { std::cout << "Event: " << event << std::endl; if (event == "user_login") { newEvents.push_back("log_analytics"); } } // Append new events safely after iteration is complete events_.insert(events_.end(), newEvents.begin(), newEvents.end()); } ``` Using `write` to replace the content of `iterator_invalidation.cpp`. I must read the whole file first to ensure I preserve the rest of the code. (I already read it, but I'll reconstruct the full content for the `write` call.) Wait, I can use `edit` with the original line numbers. Old: ```cpp 00015| // BUG: Iterator invalidated by push_back 00016| for (auto it = events_.begin(); it != events_.end(); ++it) { 00017| std::cout << "Event: " << *it << std::endl; 00018| 00019| // Add derived event during iteration 00020| if (*it == "user_login") { 00021| events_.push_back("log_analytics"); // Invalidates iterator! 00022| } 00023| } ``` New: ```cpp 00015| std::vector newEvents; // Safely store events generated during processing 00016| for (const auto& event : events_) { 00017| std::cout << "Event: " << event << std::endl; 00018| 00019| if (event == "user_login") { 00020| newEvents.push_back("log_analytics"); 00021| } 00022| } 00023| // Append new events safely after iteration is complete 00024| events_.insert(events_.end(), newEvents.begin(), newEvents.end()); ``` This is hard to do with `edit`. I will use `write` with the full content of the file. Full content of `iterator_invalidation.cpp` with fix: ```cpp #include #include #include #include // For std::copy if using C++ < 11 // Event queue that processes and filters events class EventQueue { public: void addEvent(const std::string& event) { events_.push_back(event); } void processEvents() { std::cout << "Processing events..." << std::endl; // FIX: Use a temporary vector to prevent iterator invalidation std::vector newEvents; for (const auto& event : events_) { std::cout << "Event: " << event << std::endl; // Add derived event during iteration if (event == "user_login") { newEvents.push_back("log_analytics"); } } // Append new events safely after iteration is complete events_.insert(events_.end(), newEvents.begin(), newEvents.end()); } int getEventCount() const { return events_.size(); } private: std::vector events_; }; int main() { EventQueue queue; queue.addEvent("user_login"); queue.addEvent("page_view"); queue.processEvents(); std::cout << "Total events: " << queue.getEventCount() << std::endl; std::cout << "Done" << std::endl; return 0; } ``` Wait, I missed a file. The original file did not include ``. I will stick to the simplest fix: replacing the `for` loop body, including the declaration of `newEvents` and the final insertion. I will try to use `edit` to make the minimal change. Minimal Change using `edit`: 1. Replace line 16-23 (the core loop) with the safe logic. Original: ```cpp 00016| for (auto it = events_.begin(); it != events_.end(); ++it) { 00017| std::cout << "Event: " << *it << std::endl; 00018| 00019| // Add derived event during iteration 00020| if (*it == "user_login") { 00021| events_.push_back("log_analytics"); // Invalidates iterator! 00022| } 00023| } ``` I will replace the loop with the safer `range-based for` and use `newEvents`. This is still too complex for a single `edit` call without high risk of error. I will use `write` with the full content to ensure correctness. I'll use the full content from my previous analysis, which correctly implements the fix.I have successfully fixed `virtual_destructor.cpp` and `reference_to_temporary.cpp`. I am now working on `iterator_invalidation.cpp`. Since the fix for this involves replacing a block of code, I will use the `write` tool to ensure the whole file is correct. **Fix for `iterator_invalidation.cpp`:** The bug is iterator invalidation when `push_back` modifies the vector during iteration. 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service=format name=shfmt ext=.cpp checking INFO 2026-01-10T15:49:12 +1ms service=format name=ruff ext=.cpp checking INFO 2026-01-10T15:49:12 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-10T15:49:12 +0ms service=format name=air ext=.cpp checking INFO 2026-01-10T15:49:12 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-10T15:49:12 +1ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-10T15:49:12 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-10T15:49:12 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-10T15:49:12 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-10T15:49:12 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-10T15:49:12 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-10T15:49:12 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-10T15:49:12 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-10T15:49:12 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-10T15:49:12 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-10T15:49:12 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-10T15:49:12 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-10T15:49:12 +1ms service=file.time sessionID=ses_45767812fffekRrxKwgw1tQzdk file=/app/input/unsigned_underflow.cpp read INFO 2026-01-10T15:49:12 +1ms service=lsp file=/app/input/unsigned_underflow.cpp touching file INFO 2026-01-10T15:49:12 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:12 +7ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:12 +5ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:12 +1ms service=bus type=message.updated publishing |  Edit app/input/unsigned_underflow.cpp **Analysis of `unsigned_underflow.cpp`:** The bug is **unsigned underflow** in the `available()` method, but more fundamentally, the way the ring buffer size is calculated and managed is incorrect for a standard ring buffer that uses indices modulo capacity. The `RingBuffer` implementation uses `std::vector::push_back` (line 10), which makes it an expanding buffer, not a fixed-size ring buffer where old elements are overwritten. Even if it were a fixed ring buffer, the `available()` calculation is problematic. Given the existing variables: - `capacity_`: Maximum size (10 in `main`). - `head_`: Index of the oldest element. - `tail_`: Index where the next element will be inserted. The number of elements currently in a true ring buffer is calculated as: `(tail_ - head_ + capacity_) % capacity_` However, the current implementation uses `std::vector::push_back`, which suggests the size is simply `buffer_.size()`. The `head_` and `tail_` are unused for tracking elements, and only track indices mod `capacity_`. This doesn't make sense for the current implementation. Let's assume the intent was to track the *number of elements in the buffer*, which is usually done by tracking `size`. If the intent of `available()` is to return the number of elements: 1. If the buffer is NOT full (i.e., `tail_ >= head_`), the size is `tail_ - head_`. 2. If the buffer IS full and has wrapped around (i.e., `tail_ < head_`), the size is `capacity_ - head_ + tail_`. Since the `available()` function only has `return tail_ - head_;` and both are `size_t` (unsigned), if `tail_ < head_`, it results in a huge number (unsigned underflow). The simplest fix is to calculate the available slots correctly for a ring buffer using modulo arithmetic, assuming the intended size calculation for a full ring buffer: ```cpp return (tail_ - head_ + capacity_) % capacity_; ``` Wait, `RingBuffer` is not correctly implemented as a ring buffer. It uses `std::vector::push_back` which makes it effectively an unbounded queue, and the modulo arithmetic on `head_` and `tail_` is meaningless for its current state tracking. However, the most likely bug the user intended for the *current code structure* is the unsigned underflow on line 16. The fix for this specific bug is to use the standard calculation for distance between two indices in a wrapping buffer, if they were meant to track the *current size*. Since the `main` function only calls `push`, `head_` remains 0 and `tail_` increases to 3. `available()` returns `3 - 0 = 3`. This is correct. The error occurs when `head_` is advanced (e.g. by a `pop` function, which is missing) and becomes greater than `tail_`. Since `pop` is missing, the only way `head_` could become non-zero is if it was modified, or if the user intended to show that `available` is buggy in a general case (which is what the comment says). Let's fix the underflow, assuming `head_` and `tail_` are meant to track the indices of the elements *in* the buffer. ```cpp 00016| return tail_ - head_; ``` The fix for the underflow is to use an `if` statement or the modulo trick. Using the standard modulo trick to handle wrap-around: ```cpp 00016| return (tail_ - head_ + capacity_) % capacity_; ``` Wait, the `RingBuffer` implementation does not handle the capacity correctly at all (it uses `vector::push_back`). If the code is intended to be a simple queue where `head_` tracks the start and `tail_` tracks the end, the size is simply `buffer_.size()`. Let's assume the indices are meant to track the size of the buffer, which should be **the actual size of the vector**: ```cpp 00016| return buffer_.size(); ``` This is the simplest correct logic for the current implementation of `push` (line 10). The `head_` and `tail_` variables are completely irrelevant to the actual state of `buffer_`, except that `tail_` is incremented. If I fix the logic to return `buffer_.size()`, then the indices `head_` and `tail_` become dead code. This seems acceptable if the intent was to show a bug in the size calculation. Let's assume the user wants to fix the underflow bug **by using a signed result**, or the wrap-around trick. Fix 1: Use `if/else` logic to calculate the distance. ```cpp size_t available() const { if (tail_ >= head_) { return tail_ - head_; } else { return capacity_ - head_ + tail_; } } ``` This requires multi-line editing. Fix 2: Cast to signed integers before subtraction, then handle the result. Fix 3: The modulo trick, which is standard for fixed-size ring buffers, and should be the intended fix for a "ring buffer" class where `head_` and `tail_` are tracked. Even though `buffer_` is a `std::vector` and `push` is wrong for a fixed buffer, this resolves the underflow on the `size_t` calculation. I will apply the modulo fix (Fix 3) as it addresses the stated bug and is the correct way to calculate size in a ring buffer context. ```cpp 00016| return tail_ - head_; // Wraps around to huge number! ``` Change to: ```cpp 00016| return (tail_ - head_ + capacity_) % capacity_; // Fixed wrap around ``` Wait, `capacity_` is not defined in the class as `capacity` but as `size_t capacity_`. Using the `edit` tool: ERROR 2026-01-10T15:49:12 +10ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:49:12 +0ms service=default e=NotFoundError rejection INFO 2026-01-10T15:49:12 +4ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:12 +0ms service=bus type=session.status publishing INFO 2026-01-10T15:49:12 +0ms service=session.prompt step=9 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop INFO 2026-01-10T15:49:12 +33ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:12 +0ms service=session.prompt status=started resolveTools INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=started invalid INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=started bash INFO 2026-01-10T15:49:12 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=started read INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=started glob INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=started grep INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=started edit INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=started write INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=started task INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=started webfetch INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=started todowrite INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=started todoread INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=started skill INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=completed duration=0 read INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=completed duration=0 write INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-01-10T15:49:12 +0ms service=tool.registry status=completed duration=0 task INFO 2026-01-10T15:49:12 +5ms service=session.prompt status=completed duration=6 resolveTools INFO 2026-01-10T15:49:12 +12ms service=session.processor process INFO 2026-01-10T15:49:12 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build stream INFO 2026-01-10T15:49:12 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params INFO 2026-01-10T15:49:12 +7ms service=bus type=session.status publishing INFO 2026-01-10T15:49:12 +8ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:12 +1ms service=bus type=session.updated publishing INFO 2026-01-10T15:49:12 +1ms service=bus type=session.diff publishing INFO 2026-01-10T15:49:12 +609ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:12 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:12 +31ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:13 +25ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:13 +109ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:13 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:13 +3ms service=lsp file=/app/input/dangling_cstr.cpp touching file INFO 2026-01-10T15:49:13 +1ms service=file.time sessionID=ses_45767812fffekRrxKwgw1tQzdk file=/app/input/dangling_cstr.cpp read INFO 2026-01-10T15:49:13 +5ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:13 +5ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:13 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:13 +1ms service=bus type=message.updated publishing |  Read app/input/dangling_cstr.cpp **Task 5: Fix `dangling_cstr.cpp`** Next file: `dangling_cstr.cpp`. 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stream INFO 2026-01-10T15:49:13 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params INFO 2026-01-10T15:49:13 +5ms service=bus type=session.status publishing ERROR 2026-01-10T15:49:13 +70ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:49:13 +0ms service=default e=NotFoundError rejection INFO 2026-01-10T15:49:13 +509ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:13 +0ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:13 +39ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:13 +76ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:14 +135ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:14 +119ms service=bus type=message.part.updated publishing INFO 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INFO 2026-01-10T15:49:15 +5ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:15 +1ms service=bus type=message.updated publishing **Analysis of `dangling_cstr.cpp`:** The bug is a **dangling pointer to internal data of a temporary object**. In `formatMessage`, a local `std::string formatted` is created (line 9). The function then returns a `const char*` pointer to the internal C-string representation of this local string (line 10). When the function returns, the local variable `formatted` is destroyed, and the returned pointer becomes invalid (dangling). When `logger.log` calls `std::cout << formatted << std::endl;` (line 15), it is using an invalid pointer, leading to Undefined Behavior (likely printing garbage or crashing). **Fix:** The function should return the `std::string` by value, allowing the caller to manage the string object, or if it must return `const char*`, it must store the `std::string` as a member of the class. Given the `Logger::log` usage, returning the `std::string` by value from `formatMessage` is the cleanest fix. ```cpp 00008| const char* formatMessage(const std::string& msg) { ``` Change to: ```cpp 00008| std::string formatMessage(const std::string& msg) { ``` Then, the `log` function must use the returned string. ```cpp 00014| const char* formatted = formatMessage(msg); ``` Change to: ```cpp 00014| std::string formatted = formatMessage(msg); ``` And finally, `std::cout` should print the string. ```cpp 00015| std::cout << formatted << std::endl; ``` Wait, `std::cout << formatted << std::endl;` on line 15 is correct, assuming `formatted` is a `std::string`. **Applying Fix 1: Change `formatMessage` return type to `std::string`** INFO 2026-01-10T15:49:15 +11ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:15 +0ms service=bus type=session.status publishing INFO 2026-01-10T15:49:15 +0ms service=session.prompt step=11 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop INFO 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publishing INFO 2026-01-10T15:49:16 +0ms service=format file=/app/input/dangling_cstr.cpp formatting INFO 2026-01-10T15:49:16 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=air ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-10T15:49:16 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-10T15:49:16 +1ms service=format name=biome ext=.cpp checking INFO 2026-01-10T15:49:16 +15ms service=file.time sessionID=ses_45767812fffekRrxKwgw1tQzdk file=/app/input/dangling_cstr.cpp read INFO 2026-01-10T15:49:16 +0ms service=lsp file=/app/input/dangling_cstr.cpp touching file INFO 2026-01-10T15:49:16 +5ms service=bus type=message.part.updated publishing Now applying Fix 2 to `log()` method to handle the new return type. Original: ```cpp 00014| const char* formatted = formatMessage(msg); 00015| std::cout << formatted << std::endl; ``` New: ```cpp 00014| std::string formatted = formatMessage(msg); 00015| std::cout << formatted << std::endl; ``` INFO 2026-01-10T15:49:16 +28ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:16 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:16 +3ms service=bus type=message.updated publishing |  Edit app/input/dangling_cstr.cpp INFO 2026-01-10T15:49:16 +4ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:16 +0ms service=bus type=session.status publishing INFO 2026-01-10T15:49:16 +0ms service=session.prompt step=12 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop INFO 2026-01-10T15:49:17 +40ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:17 +0ms service=session.prompt status=started resolveTools INFO 2026-01-10T15:49:17 +0ms service=tool.registry status=started invalid INFO 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rejection INFO 2026-01-10T15:49:17 +524ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:17 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:17 +23ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:17 +21ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:17 +15ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:17 +3ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:17 +1ms service=lsp file=/app/input/init_order.cpp touching file INFO 2026-01-10T15:49:17 +0ms service=file.time sessionID=ses_45767812fffekRrxKwgw1tQzdk file=/app/input/init_order.cpp read INFO 2026-01-10T15:49:17 +3ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:17 +13ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:17 +3ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:17 +0ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:17 +10ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:17 +0ms service=bus type=session.status publishing INFO 2026-01-10T15:49:17 +0ms service=session.prompt step=13 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop |  Read app/input/init_order.cpp **Task 6: Fix `init_order.cpp`** Next file: `init_order.cpp`. 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2026-01-10T15:49:23 +34ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:23 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:23 +0ms service=bus type=file.edited publishing INFO 2026-01-10T15:49:23 +0ms service=format file=/app/input/init_order.cpp formatting INFO 2026-01-10T15:49:23 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-10T15:49:23 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-10T15:49:23 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-10T15:49:23 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-10T15:49:23 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-10T15:49:23 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-10T15:49:23 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-10T15:49:23 +0ms service=format name=air ext=.cpp checking INFO 2026-01-10T15:49:23 +0ms service=format name=prettier ext=.cpp checking INFO 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file=/app/input/init_order.cpp read INFO 2026-01-10T15:49:23 +0ms service=lsp file=/app/input/init_order.cpp touching file INFO 2026-01-10T15:49:23 +8ms service=bus type=message.part.updated publishing |  Write app/input/init_order.cpp INFO 2026-01-10T15:49:23 +10ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:23 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:23 +1ms service=bus type=message.updated publishing **Analysis of `init_order.cpp`:** The bug is **member initialization order**: members are initialized in the order they are declared in the class, not the order they appear in the constructor's initializer list. The declaration order in `Point` is: 1. `x_` (line 21) 2. `y_` (line 22) 3. `scale_` (line 23) In the constructor, `x_` is initialized first: `x_(x * scale_)`. At this point, `scale_` has not been initialized (it will be initialized third). This leads to `x_` being calculated with an uninitialized value for `scale_` (Undefined Behavior). **Fix:** Reorder the member declarations in the class definition so that `scale_` is declared before `x_` and `y_`. **New declaration order:** 1. `scale_` 2. `x_` 3. `y_` This means I need to reorder lines 21, 22, and 23. Original: ```cpp 00021| private: 00022| double x_; // Initialized first (declaration order) 00023| double y_; // Initialized second 00024| double scale_; // Initialized third, but used in x_ and y_ init! ``` New: ```cpp 00021| private: 00022| double scale_; // Initialized first 00023| double x_; // Initialized second (now uses initialized scale_) 00024| double y_; // Initialized third (now uses initialized scale_) ``` I will use `edit` to move `scale_` to the top of the private members. **Step 1:** Change line 24 to `x_` (where `scale_` currently is). **Step 2:** Change line 22 to `scale_` (where `x_` currently is). **Step 3:** Change line 23 to `y_`. (No change needed here, just context for the other changes). This is too complex for `edit` without reading the file again. I will use `edit` to replace the entire block (lines 21-24) to ensure correctness. Original: ```cpp 00020| private: 00021| double x_; // Initialized first (declaration order) 00022| double y_; // Initialized second 00023| double scale_; // Initialized third, but used in x_ and y_ init! 00024| }; ``` The comments are also wrong for the new order, so I will update those. Since `edit` only replaces a single string, I will perform three edits: 1. Replace line 23 (`double scale_;...`) with `double temp_scale;` (a placeholder). 2. Replace line 22 (`double y_;...`) with `double scale_; // Initialized first, used by x_ and y_` 3. Replace the placeholder on line 24 (which was originally line 23) with `double y_;`. 4. Then fix the comments on line 21. This is highly error-prone. I will use `write` to replace the entire file content, ensuring the correct member declaration order. Wait, I only need to swap lines 21 and 23. Swap line 21 (`double x_;...`) with line 23 (`double scale_;...`). New lines: ```cpp 00021| private: 00022| double scale_; // Initialized first, used by x_ and y_ init! 00023| double x_; // Initialized second (now uses initialized scale_) 00024| double y_; // Initialized third (now uses initialized scale_) ``` I will perform two `edit` operations: 1. Change line 22 (originally `double x_;...`) to `double scale_;...`. 2. Change line 24 (originally `double scale_;...`) to `double x_;...`. (And update the comment). 3. Update the comment on line 23. (y_). No, I will stick to one clear `write` operation for safety, replacing the entire file contents. Full content of `init_order.cpp` with fix: ```cpp #include // Coordinate system with units class Point { public: Point(double x, double y, double scale) : scale_(scale), x_(x * scale_), y_(y * scale_) { // Members initialized in declaration order: scale_, x_, y_. Fixed order. } void print() const { std::cout << "Point(" << x_ << ", " << y_ << ") scale=" << scale_ << std::endl; } private: double scale_; // Initialized first double x_; // Initialized second (now uses initialized scale_) double y_; // Initialized third (now uses initialized scale_) }; int main() { Point p(3.0, 4.0, 2.0); // Should be (6.0, 8.0) with scale 2.0 p.print(); std::cout << "Done" << std::endl; return 0; } ``` INFO 2026-01-10T15:49:23 +8ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:23 +0ms service=bus type=session.status publishing INFO 2026-01-10T15:49:23 +0ms service=session.prompt step=14 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop INFO 2026-01-10T15:49:23 +44ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:23 +1ms service=bus type=session.updated publishing INFO 2026-01-10T15:49:23 +0ms service=bus type=session.diff publishing INFO 2026-01-10T15:49:23 +1ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:23 +0ms service=session.prompt status=started resolveTools INFO 2026-01-10T15:49:23 +1ms service=tool.registry status=started invalid INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=started bash INFO 2026-01-10T15:49:23 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-10T15:49:23 +1ms service=tool.registry status=started read INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=started glob INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=started grep INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=started edit INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=started write INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=started task INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=started webfetch INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=started todowrite INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=started todoread INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=started skill INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=completed duration=0 read INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=completed duration=0 write INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-01-10T15:49:23 +0ms service=tool.registry status=completed duration=0 task INFO 2026-01-10T15:49:23 +2ms service=session.prompt status=completed duration=4 resolveTools INFO 2026-01-10T15:49:23 +8ms service=session.processor process INFO 2026-01-10T15:49:23 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build stream INFO 2026-01-10T15:49:23 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params INFO 2026-01-10T15:49:23 +6ms service=bus type=session.status publishing ERROR 2026-01-10T15:49:24 +873ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:49:24 +0ms service=default e=NotFoundError rejection INFO 2026-01-10T15:49:24 +9ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:24 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:24 +0ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:24 +0ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:24 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:24 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:24 +2ms service=lsp file=/app/input/off_by_one.cpp touching file INFO 2026-01-10T15:49:24 +0ms service=file.time sessionID=ses_45767812fffekRrxKwgw1tQzdk file=/app/input/off_by_one.cpp read INFO 2026-01-10T15:49:24 +7ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:24 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:24 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:24 +0ms service=bus type=message.updated publishing |  Read app/input/off_by_one.cpp **Task 7: Fix `off_by_one.cpp`** Next file: `off_by_one.cpp`. 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stream INFO 2026-01-10T15:49:24 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params INFO 2026-01-10T15:49:24 +2ms service=bus type=session.status publishing INFO 2026-01-10T15:49:25 +684ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:25 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:25 +40ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:25 +75ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:25 +126ms service=bus type=message.part.updated publishing ERROR 2026-01-10T15:49:25 +0ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:49:25 +0ms service=default e=NotFoundError rejection INFO 2026-01-10T15:49:25 +110ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:25 +137ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:26 +205ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:26 +197ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:26 +183ms service=bus type=message.part.updated publishing ERROR 2026-01-10T15:49:26 +168ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:49:26 +0ms service=default e=NotFoundError rejection INFO 2026-01-10T15:49:26 +97ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:26 +25ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:26 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:26 +1ms service=bus type=file.edited publishing INFO 2026-01-10T15:49:26 +0ms service=format file=/app/input/off_by_one.cpp formatting INFO 2026-01-10T15:49:26 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-10T15:49:26 +1ms service=format name=terraform ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=air ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-10T15:49:26 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-10T15:49:26 +9ms service=file.time sessionID=ses_45767812fffekRrxKwgw1tQzdk file=/app/input/off_by_one.cpp read INFO 2026-01-10T15:49:26 +0ms service=lsp file=/app/input/off_by_one.cpp touching file INFO 2026-01-10T15:49:26 +2ms service=bus type=message.part.updated publishing **Analysis of `off_by_one.cpp`:** The bug is a classic **off-by-one error** leading to an out-of-bounds access. The matrix `data_` is declared as `int data_[5][5];` (line 24). This means valid indices for the second dimension are 0, 1, 2, 3, and 4. In `printTopRow`, the loop is: ```cpp 00017| for (int i = 0; i <= 5; i++) { // Off-by-one! 00018| std::cout << data_[0][i] << " "; 00019| } ``` When `i` reaches 5, the code accesses `data_[0][5]`, which is outside the bounds of the array, leading to Undefined Behavior and a potential crash or memory corruption (ASan will catch this). **Fix:** Change the loop condition from `i <= 5` to `i < 5` (or `i < 5` since it's a 5x5 matrix). ```cpp 00017| for (int i = 0; i <= 5; i++) { // Off-by-one! ``` Change to: ```cpp 00017| for (int i = 0; i < 5; i++) { // Fixed off-by-one ``` INFO 2026-01-10T15:49:26 +4ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:26 +3ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:26 +0ms service=bus type=message.updated publishing |  Edit app/input/off_by_one.cpp INFO 2026-01-10T15:49:26 +9ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:26 +0ms service=bus type=session.status publishing INFO 2026-01-10T15:49:26 +0ms service=session.prompt step=16 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop INFO 2026-01-10T15:49:26 +53ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:26 +2ms service=bus type=session.updated publishing INFO 2026-01-10T15:49:26 +1ms service=bus type=session.diff publishing INFO 2026-01-10T15:49:26 +14ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:26 +1ms service=session.prompt status=started resolveTools INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=started invalid INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=started bash INFO 2026-01-10T15:49:26 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=started read INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=started glob INFO 2026-01-10T15:49:26 +1ms service=tool.registry status=started grep INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=started edit INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=started write INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=started task INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=started webfetch INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=started todowrite INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=started todoread INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=started skill INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=completed duration=1 read INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=completed duration=0 write INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-01-10T15:49:26 +0ms service=tool.registry status=completed duration=0 task INFO 2026-01-10T15:49:26 +3ms service=session.prompt status=completed duration=4 resolveTools INFO 2026-01-10T15:49:26 +15ms service=session.processor process INFO 2026-01-10T15:49:26 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build stream INFO 2026-01-10T15:49:26 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params INFO 2026-01-10T15:49:26 +5ms service=bus type=session.status publishing INFO 2026-01-10T15:49:27 +605ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:27 +0ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:27 +39ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:27 +24ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:27 +80ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:27 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:27 +6ms service=lsp file=/app/input/int_overflow.cpp touching file INFO 2026-01-10T15:49:27 +0ms service=file.time sessionID=ses_45767812fffekRrxKwgw1tQzdk file=/app/input/int_overflow.cpp read INFO 2026-01-10T15:49:27 +3ms service=bus type=message.part.updated publishing |  Read app/input/int_overflow.cpp INFO 2026-01-10T15:49:27 +7ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:27 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:27 +0ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:27 +5ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:27 +0ms service=bus type=session.status publishing INFO 2026-01-10T15:49:27 +0ms service=session.prompt step=17 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop **Task 8: Fix `int_overflow.cpp`** Next file: `int_overflow.cpp`. INFO 2026-01-10T15:49:27 +47ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:27 +1ms service=bus type=session.updated publishing INFO 2026-01-10T15:49:27 +0ms service=bus type=session.diff publishing INFO 2026-01-10T15:49:27 +12ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:27 +0ms service=session.prompt status=started resolveTools INFO 2026-01-10T15:49:27 +0ms service=tool.registry status=started invalid INFO 2026-01-10T15:49:27 +0ms service=tool.registry status=started bash INFO 2026-01-10T15:49:27 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-10T15:49:27 +1ms service=tool.registry status=started read INFO 2026-01-10T15:49:27 +0ms service=tool.registry status=started glob INFO 2026-01-10T15:49:27 +0ms service=tool.registry status=started grep INFO 2026-01-10T15:49:27 +0ms service=tool.registry status=started edit INFO 2026-01-10T15:49:27 +0ms service=tool.registry status=started write INFO 2026-01-10T15:49:27 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service=tool.registry status=completed duration=0 todowrite INFO 2026-01-10T15:49:27 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-10T15:49:27 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-10T15:49:27 +1ms service=tool.registry status=completed duration=1 skill INFO 2026-01-10T15:49:27 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-10T15:49:27 +8ms service=session.prompt status=completed duration=10 resolveTools ERROR 2026-01-10T15:49:27 +9ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:49:27 +0ms service=default e=NotFoundError rejection INFO 2026-01-10T15:49:27 +0ms service=session.processor process INFO 2026-01-10T15:49:27 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build stream INFO 2026-01-10T15:49:27 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params INFO 2026-01-10T15:49:27 +5ms service=bus type=session.status publishing INFO 2026-01-10T15:49:28 +820ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:28 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:28 +9ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:28 +33ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:28 +27ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:28 +86ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:28 +218ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:29 +183ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:29 +222ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:29 +162ms service=bus type=message.part.updated publishing ERROR 2026-01-10T15:49:29 +69ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:49:29 +0ms service=default e=NotFoundError rejection INFO 2026-01-10T15:49:29 +101ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:29 +245ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:29 +29ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:29 +3ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:29 +5ms service=bus type=file.edited publishing INFO 2026-01-10T15:49:29 +0ms service=format file=/app/input/int_overflow.cpp formatting INFO 2026-01-10T15:49:29 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=air ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-10T15:49:29 +1ms service=format name=ktlint ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-10T15:49:29 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-10T15:49:29 +2ms service=file.time sessionID=ses_45767812fffekRrxKwgw1tQzdk file=/app/input/int_overflow.cpp read INFO 2026-01-10T15:49:29 +2ms service=lsp file=/app/input/int_overflow.cpp touching file INFO 2026-01-10T15:49:29 +13ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:29 +5ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:29 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:29 +2ms service=bus type=message.updated publishing **Analysis of `int_overflow.cpp`:** The bug is **signed integer overflow**. The intermediate result of `100000 * 50000` is 5,000,000,000 (5 billion), which exceeds the maximum value of a standard 32-bit signed `int` (approx 2.1 billion). The fix is to use a data type large enough to hold the result, which is typically `long long` in modern C++ (or `long` if it's 64-bit on the target platform, but `long long` is safer for 64-bit guarantee). Since the inputs are `int`, one of them must be explicitly cast to a larger type before multiplication, and the function's return type must be changed to that larger type. **Fix:** 1. Change the return type of `calculateTotal` from `int` to `long long`. 2. Cast one of the input parameters to `long long` within `calculateTotal` before multiplication. 3. Change the local variable `total` in `printOrder` to `long long`. **Step 1 & 2: Update `calculateTotal` (lines 7-8)** Original: ```cpp 00007| int calculateTotal(int pricePerUnit, int quantity) { 00008| return pricePerUnit * quantity; // Can overflow! 00009| } ``` New: ```cpp 00007| long long calculateTotal(int pricePerUnit, int quantity) { 00008| return (long long)pricePerUnit * quantity; // Fixed overflow! 00009| } ``` INFO 2026-01-10T15:49:29 +22ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:29 +1ms service=bus type=session.status publishing INFO 2026-01-10T15:49:29 +1ms service=session.prompt step=18 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop |  Edit app/input/int_overflow.cpp INFO 2026-01-10T15:49:30 +58ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:30 +0ms service=session.prompt status=started resolveTools INFO 2026-01-10T15:49:30 +1ms service=tool.registry status=started invalid INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=started bash INFO 2026-01-10T15:49:30 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=started read INFO 2026-01-10T15:49:30 +2ms service=tool.registry status=started glob INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=started grep INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=started edit INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=started write INFO 2026-01-10T15:49:30 +1ms service=tool.registry status=started task INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=started webfetch INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=started todowrite INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=started todoread INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=started skill INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=completed duration=3 invalid INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=completed duration=3 read INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=completed duration=1 edit INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=completed duration=3 bash INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-01-10T15:49:30 +0ms service=tool.registry status=completed duration=0 task INFO 2026-01-10T15:49:30 +1ms service=session.prompt status=completed duration=5 resolveTools INFO 2026-01-10T15:49:30 +6ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:30 +1ms service=bus type=session.updated publishing INFO 2026-01-10T15:49:30 +0ms service=bus type=session.diff publishing INFO 2026-01-10T15:49:30 +9ms service=session.processor process INFO 2026-01-10T15:49:30 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build stream INFO 2026-01-10T15:49:30 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params INFO 2026-01-10T15:49:30 +7ms service=bus type=session.status publishing ERROR 2026-01-10T15:49:30 +582ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:49:30 +1ms service=default e=NotFoundError rejection INFO 2026-01-10T15:49:30 +81ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:30 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:30 +62ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:30 +180ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:30 +6ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:30 +16ms service=bus type=file.edited publishing INFO 2026-01-10T15:49:30 +0ms service=format file=/app/input/int_overflow.cpp formatting INFO 2026-01-10T15:49:30 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=air ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-10T15:49:30 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-10T15:49:30 +7ms service=file.time sessionID=ses_45767812fffekRrxKwgw1tQzdk file=/app/input/int_overflow.cpp read INFO 2026-01-10T15:49:30 +0ms service=lsp file=/app/input/int_overflow.cpp touching file INFO 2026-01-10T15:49:30 +0ms service=bus type=message.part.updated publishing Next `edit` for line 8: INFO 2026-01-10T15:49:30 +18ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:31 +4ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:31 +1ms service=bus type=message.updated publishing |  Edit app/input/int_overflow.cpp INFO 2026-01-10T15:49:31 +13ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:31 +0ms service=bus type=session.status publishing INFO 2026-01-10T15:49:31 +1ms service=session.prompt step=19 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop INFO 2026-01-10T15:49:31 +102ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:31 +3ms service=bus type=session.updated publishing INFO 2026-01-10T15:49:31 +0ms service=bus type=session.diff publishing INFO 2026-01-10T15:49:31 +29ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:31 +2ms service=session.prompt status=started resolveTools INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=started invalid INFO 2026-01-10T15:49:31 +1ms service=tool.registry status=started bash INFO 2026-01-10T15:49:31 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=started read INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=started glob INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=started grep INFO 2026-01-10T15:49:31 +1ms service=tool.registry status=started edit INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=started write INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=started task INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=started webfetch INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=started todowrite INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=started todoread INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=started skill INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=completed duration=2 invalid INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=completed duration=1 read INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=completed duration=0 write INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-01-10T15:49:31 +0ms service=tool.registry status=completed duration=0 task INFO 2026-01-10T15:49:31 +1ms service=session.prompt status=completed duration=3 resolveTools INFO 2026-01-10T15:49:31 +15ms service=session.processor process INFO 2026-01-10T15:49:31 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build stream INFO 2026-01-10T15:49:31 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params INFO 2026-01-10T15:49:31 +4ms service=bus type=session.status publishing ERROR 2026-01-10T15:49:31 +537ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:49:31 +1ms service=default e=NotFoundError rejection INFO 2026-01-10T15:49:31 +95ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:31 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:31 +35ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:31 +34ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:32 +125ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:32 +122ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:32 +260ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:32 +30ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:32 +3ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:32 +14ms service=bus type=file.edited publishing INFO 2026-01-10T15:49:32 +1ms service=format file=/app/input/int_overflow.cpp formatting INFO 2026-01-10T15:49:32 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-10T15:49:32 +2ms service=format name=uv format ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-10T15:49:32 +1ms service=format name=rubocop ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=air ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-10T15:49:32 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-10T15:49:32 +5ms service=file.time sessionID=ses_45767812fffekRrxKwgw1tQzdk file=/app/input/int_overflow.cpp read INFO 2026-01-10T15:49:32 +1ms service=lsp file=/app/input/int_overflow.cpp touching file INFO 2026-01-10T15:49:32 +1ms service=bus type=message.part.updated publishing **Step 3: Update `printOrder` (line 12)** Original: ```cpp 00012| void printOrder(int price, int qty) { 00013| int total = calculateTotal(price, qty); ``` The function `calculateTotal` now returns `long long`, so `total` must be `long long` to receive the result. ```cpp 00013| long long total = calculateTotal(price, qty); ``` INFO 2026-01-10T15:49:32 +18ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:32 +7ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:32 +6ms service=bus type=message.updated publishing |  Edit app/input/int_overflow.cpp INFO 2026-01-10T15:49:32 +75ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:32 +3ms service=bus type=session.status publishing INFO 2026-01-10T15:49:32 +0ms service=session.prompt step=20 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop INFO 2026-01-10T15:49:32 +80ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:32 +0ms service=bus type=session.updated publishing INFO 2026-01-10T15:49:32 +1ms service=bus type=session.diff publishing INFO 2026-01-10T15:49:32 +33ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:32 +0ms service=session.prompt status=started resolveTools INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=started invalid INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=started bash INFO 2026-01-10T15:49:32 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=started read INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=started glob INFO 2026-01-10T15:49:32 +1ms service=tool.registry status=started grep INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=started edit INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=started write INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=started task INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=started webfetch INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=started todowrite INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=started todoread INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=started skill INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=completed duration=1 read INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=completed duration=0 write INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-01-10T15:49:32 +0ms service=tool.registry status=completed duration=0 task INFO 2026-01-10T15:49:32 +1ms service=session.prompt status=completed duration=2 resolveTools INFO 2026-01-10T15:49:32 +50ms service=session.processor process INFO 2026-01-10T15:49:32 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build stream INFO 2026-01-10T15:49:32 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_45767812fffekRrxKwgw1tQzdk small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params INFO 2026-01-10T15:49:32 +20ms service=bus type=session.status publishing ERROR 2026-01-10T15:49:32 +73ms service=acp-command promise={} reason=NotFoundError Unhandled rejection ERROR 2026-01-10T15:49:32 +0ms service=default e=NotFoundError rejection INFO 2026-01-10T15:49:33 +533ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:33 +1ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:33 +23ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:33 +47ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:33 +88ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:33 +102ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:33 +169ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:33 +161ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:34 +241ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:34 +49ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:34 +17ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:34 +2ms service=bus type=message.part.updated publishing INFO 2026-01-10T15:49:34 +1ms service=bus type=message.updated publishing I have now fixed all 8 files. 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`: Refactored `processEvents` to use a temporary vector, preventing iterator invalidation. 4. `unsigned_underflow.cpp`: Fixed the underflow bug in `available()` using the modulo arithmetic for size calculation. 5. `dangling_cstr.cpp`: Changed `formatMessage` to return `std::string` by value and updated `log` to use the returned string. 6. `init_order.cpp`: Reordered member declarations in `Point` class to ensure `scale_` is initialized before `x_` and `y_`. 7. `off_by_one.cpp`: Fixed the off-by-one error in `printTopRow` loop condition from `i <= 5` to `i < 5`. 8. `int_overflow.cpp`: Changed `calculateTotal` return type and `total` variable type to `long long` and cast one operand before multiplication to prevent overflow. All bugs are fixed in place as requested. INFO 2026-01-10T15:49:34 +7ms service=bus type=message.updated publishing INFO 2026-01-10T15:49:34 +0ms service=bus type=session.status publishing INFO 2026-01-10T15:49:34 +0ms service=session.prompt step=21 sessionID=ses_45767812fffekRrxKwgw1tQzdk loop INFO 2026-01-10T15:49:34 +30ms service=session.prompt sessionID=ses_45767812fffekRrxKwgw1tQzdk exiting loop INFO 2026-01-10T15:49:34 +0ms service=session.compaction pruning INFO 2026-01-10T15:49:34 +7ms service=session.prompt sessionID=ses_45767812fffekRrxKwgw1tQzdk cancel INFO 2026-01-10T15:49:34 +0ms service=bus type=session.status publishing INFO 2026-01-10T15:49:34 +0ms service=bus type=session.idle publishing INFO 2026-01-10T15:49:34 +3ms service=default directory=/app/input disposing instance INFO 2026-01-10T15:49:34 +1ms service=state key=/app/input waiting for state disposal to complete INFO 2026-01-10T15:49:34 +1ms 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.