sots-re/verify/results/compare/unlock-b3-t1-5.json
Alex 5a3f986f38 lane U: the unlock cascade, implemented and live-verified
Reads: TechTree::PrereqsMet 0x0057d8e0 (AND of ORs; zero groups TRUE, an empty
group FALSE), the prerequisite layout at TechDef+0x88/+0x98, the tail collector
0x00587cc3, and the head of OnTechResearched (RecordObservedTech unconditional;
the research-event roll gated on ResT == def && ResearchRollPending).

Live: 35 compared calls over three workloads, 0 divergences, tracecmp exit 0,
End-Turn oracle hashes unchanged. The EVENT_TECHS_UNLOCKED residual lane P
predicted and lane V measured is closed by running the cascade, not by posting
on completion.

12 new addresses in ghidra/addresses.d/lane-u.json (header 615 -> 627).
2026-09-08 06:57:37 -04:00

795 lines
29 KiB
JSON

{
"coverage_contradicted": [],
"coverage_unstated": [],
"format": 1,
"hooks": {
"Game::TechTree::ProcessResearch": {
"calls": 15,
"compared": 15,
"coverage": {
"checked_regions": [
"events",
"node[0]",
"node[105]",
"node[106]",
"node[107]",
"node[108]",
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"node[10]",
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"node[137]",
"node[138]",
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"node[140]",
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"node[151]",
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"node[154]",
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"node[174]",
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"node[177]",
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"node[17]",
"node[180]",
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"node[185]",
"node[186]",
"node[187]",
"node[188]",
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"node[18]",
"node[190]",
"node[191]",
"node[192]",
"node[193]",
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"node[197]",
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"node[19]",
"node[1]",
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"node[207]",
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"node[238]",
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"node[23]",
"node[240]",
"node[241]",
"node[242]",
"node[243]",
"node[244]",
"node[245]",
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"node[249]",
"node[24]",
"node[250]",
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"node[256]",
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"node[269]",
"node[26]",
"node[270]",
"node[271]",
"node[272]",
"node[273]",
"node[274]",
"node[275]",
"node[276]",
"node[277]",
"node[278]",
"node[279]",
"node[27]",
"node[280]",
"node[281]",
"node[282]",
"node[283]",
"node[284]",
"node[285]",
"node[286]",
"node[287]",
"node[288]",
"node[289]",
"node[28]",
"node[290]",
"node[291]",
"node[292]",
"node[29]",
"node[2]",
"node[30]",
"node[31]",
"node[32]",
"node[33]",
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"node[35]",
"node[36]",
"node[37]",
"node[38]",
"node[39]",
"node[3]",
"node[40]",
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"node[42]",
"node[43]",
"node[44]",
"node[45]",
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"node[48]",
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"node[52]",
"node[53]",
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"node[58]",
"node[5]",
"node[60]",
"node[61]",
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"node[64]",
"node[65]",
"node[66]",
"node[67]",
"node[68]",
"node[69]",
"node[6]",
"node[70]",
"node[72]",
"node[74]",
"node[77]",
"node[78]",
"node[7]",
"node[80]",
"node[81]",
"node[85]",
"node[86]",
"node[87]",
"node[88]",
"node[89]",
"node[8]",
"node[90]",
"node[91]",
"node[92]",
"node[94]",
"node[98]",
"node[99]",
"node[9]",
"observed_techs",
"overbudget",
"rng"
],
"guarded_calls": 15,
"guards": [
"player",
"tree_header"
],
"spans": {
"compare": [
"player+0x10c:3",
"player+0x110:3",
"player+0x114:3",
"player+0x124:3",
"player+0x294:4",
"tree_header+0x20:1",
"player+0x130:3"
]
},
"state": "partial",
"undeclared_calls": 2,
"undeclared_writes": 9,
"unmodelled": [
{
"mitigation": "region:events",
"risk": "medium",
"what": "posts EVENT_RESEARCH_OVERBUDGET on the owner's EventStorage: ours reproduces the decision and the id sequence, so region:events compares next_id, but the composed EvDsc/EvMsg text is not reproduced and no region can see it",
"why": "text comes from the game's string table, which the engine must not carry; ours posts into its own EventStorage and writes only the counts into the scratch copy, so no live byte moves and replace mode posts nothing at all"
},
{
"mitigation": "region:events",
"risk": "low",
"what": "composes EVENT_TECHS_UNLOCKED's message from the unlocked techs' names",
"why": "the trigger and the list are modelled (SetResearched's availability sweep plus the tail collector, both read off the instruction stream), so region:events compares next_id; the names come from the game's string table, so the message is composed from node indices instead and is not the game's text"
},
{
"mitigation": "guard:player, guard:tree_header",
"risk": "high",
"what": "TechTree::SetResearched in REPLACE mode: nothing of it runs",
"why": "the cascade is compare-mode only. In replace mode every pointer is live game memory, and applying half of OnTechResearched -- the observed-tech append and the research-event roll, but not the tech-effect field writes -- would leave the player in a state no code path produces. A replace run therefore still leaves the completed node unstamped and no tech unlocked"
},
{
"mitigation": "guard:player",
"risk": "high",
"what": "ServerPlayer::OnTechResearched's tech effects: the ~90 hard-coded ServerPlayer field writes, the plague-cure masks, the design-option bitmasks and the species tech flags",
"why": "B2's milestone. `ours` models only the two parts of the callback this hook's regions can see -- the observed-tech append and the one RNG word RollResearchEvent draws -- and the rest is what the player guard reports"
},
{
"mitigation": "region:rng",
"risk": "medium",
"what": "the research-event branch RollResearchEvent takes when its roll beats the odds (0x00889d60: the plague and AI-rebellion event paths)",
"why": "the one NextFloat is drawn unconditionally and is modelled; the branch behind it is entered only for the plague and AI-rebellion tech families, whose odds are 0 everywhere else. If it is ever entered, region:rng is the check -- it would consume draws ours does not"
},
{
"mitigation": "region:observed_techs",
"risk": "medium",
"what": "constructs the ObservedTech element it appends to ServerPlayer+0x274",
"why": "`ours` models the append DECISION -- RecordObservedTech de-duplicates by tech name, so it decides whether the vector grows -- and moves the scratch header's byte span by one 0x2c element per append. The element's own fields (turn_first, turn_last, detected, the name string, `with`) are not built, and no region can see them"
},
{
"mitigation": "guard:tree_header",
"risk": "low",
"what": "the tree's completion-order counter (TechTree+0x20) is read pre-call, not modelled as a region",
"why": "the per-node `order` word IS compared, and it is stamped from a counter `ours` seeds from the pre-call read and advances itself; the counter's own final value is only seen by the tree_header guard"
},
{
"mitigation": "",
"risk": "low",
"what": "writes a completion line to the game log",
"why": "log text is not simulation state"
}
],
"verdict": "partial",
"why": ""
},
"diffs": [],
"diverged": 0,
"diverged_call_ids": [],
"errors": 0,
"modes": {
"compare": 15
}
}
},
"inputs": [
"/tmp/claude-1000/-home-alex/ec8e34f8-af37-4ef2-a309-ed6a15293097/scratchpad/u-b3-t1-5.jsonl"
],
"invalid": [],
"kind": "report",
"meta": [
{
"build": "unlock-405ba41-20260908T1026Z",
"exe_sha256": "970b7de729956a53094c7eb98aba4270aee98e2fed5daf0d39e290013c90c841",
"format": 1,
"hooks": {
"Game::SectionDictionary::SectionDictionary": {
"coverage": {
"state": "partial",
"unmodelled": [
{
"mitigation": "see docs/M2.md; compare mode for this hook is not safe to run",
"risk": "high",
"what": "LoadSection registers each section with the string table and the live TechTree, and may append to the dictionary's own vector",
"why": "M3 scope; ours delegates to the game's LoadSection after the original has already built all 885 definitions, so the second pass registers duplicates -- the leading hypothesis for this hook's compare-mode crash"
},
{
"mitigation": "",
"risk": "medium",
"what": "post-load validation pass over every definition's @-token against the string table",
"why": "runs after the loop and touches no declared region"
},
{
"mitigation": "",
"risk": "low",
"what": "allocates 885 SectionDef objects (0x3d8 bytes each) on the game heap",
"why": "they do not exist at hook entry; compared by index/species/id/token"
},
{
"mitigation": "guard:dict",
"risk": "low",
"what": "the word at dictionary+0x14",
"why": "not modelled; emitted as an ignored pointer"
},
{
"mitigation": "",
"risk": "medium",
"what": "the before-snapshot of the object is uninitialised heap",
"why": "the hook is on the constructor, so `before` is meaningless and only `after` carries information"
}
],
"why": ""
},
"ftol": 0,
"ftol_kind": "abs",
"ptr": "ignore"
},
"Game::ServerPlayer::ComputeBudget": {
"coverage": {
"state": "partial",
"unmodelled": [
{
"mitigation": "declared input boundary; see budget_inputs.h",
"risk": "high",
"what": "slots 1, 2, 3, 4, 7 and 11 are produced by callees this milestone does not model (per-system output, trade, ship-carried population, a second manager, the build-queue spend)",
"why": "they are copied out of the original's own output and back into the same slots, so they match BY CONSTRUCTION and prove nothing"
},
{
"mitigation": "guard:budget_object does not reach the ships; unverified",
"risk": "high",
"what": "ServerSystem::ComputeOutput repairs damaged ships in orbit",
"why": "replace mode runs the original a second time on a scratch Budget to harvest the six unmodelled slots, so that repair happens TWICE per turn in replace mode and nothing in the trace would show it"
},
{
"mitigation": "",
"risk": "medium",
"what": "the difficulty-mods row from StrategyServer::GetDifficultyMods",
"why": "not reachable from a ServerPlayer, so the two relevant entries are fitted constants measured from the B1 trace rather than snapshotted inputs"
},
{
"mitigation": "",
"risk": "low",
"what": "the research-allocation vector's heap block",
"why": "only the element count is compared; the three words are heap pointers the default policy ignores"
}
],
"why": ""
},
"ftol": 0,
"ftol_kind": "abs",
"ptr": "ignore"
},
"Game::ServerPlayer::OnTechResearched": {
"coverage": {
"state": "partial",
"unmodelled": [
{
"mitigation": "guard:player (EventStorage is inline at ServerPlayer+0x29c)",
"risk": "high",
"what": "posts EVENT_RESEARCH_COMPLETE / _UNDERBUDGET / _TEMPERANCE on the owner's EventStorage when !silent",
"why": "the same class of write as B3's defect, and this hook has no replace-mode oracle that could catch it: gotcha 4 in docs/B2.md says a changed save hash on a completion turn is expected and therefore not a finding"
},
{
"mitigation": "",
"risk": "high",
"what": "writes every owned system's AI flag (CCC_AIVrus / CCC_AISlv), re-evaluates the arcology civilian cap, cures addiction and clears plague across systems AND ships",
"why": "writes through pointers to other objects; compare mode must not touch live state, and no region reaches them"
},
{
"mitigation": "this is the extra draw B3 observed on a completion",
"risk": "high",
"what": "the pending plague-cure roll (ServerPlayer::RollResearchEvent)",
"why": "it draws exactly one word from the strategic generator unconditionally; running it in compare mode would consume real randomness. The two words it guards are still cleared and the record says whether it would have fired"
},
{
"mitigation": "",
"risk": "medium",
"what": "TechTree::SetResearched for the Zuul boarding-pod grant",
"why": "it would mutate the live tree, and it recurses"
},
{
"mitigation": "region:node_bore, declared only when the block already exists",
"risk": "medium",
"what": "allocates or frees the node-bore block at ServerPlayer+0x308",
"why": "ours has no allocator the game's runtime could free, so replace mode calls the game's own updater -- which means replace mode never exercises our node-bore selection at all"
}
],
"why": ""
},
"ftol": 0,
"ftol_kind": "abs",
"ptr": "ignore"
},
"Game::ServerSystem::ProcessTurn": {
"coverage": {
"state": "partial",
"unmodelled": [
{
"mitigation": "guard:system",
"risk": "high",
"what": "the addiction sweep raises MoraleEvents, which are constructed and appended to the system's capped morale history",
"why": "the same class of write as B3's defect. sim::ProcessColonyTurn does compute the morale events (ColonyTurnResult), but the hook never emits them: DescribeMoraleEvents is dead code, so they are neither compared nor logged"
},
{
"mitigation": "guard:system covers the system object only, not the other objects",
"risk": "high",
"what": "every callee: the plague pass, imperial and civilian growth, the resource debit, in-orbit refuel, slaves, rebellion and the build queue",
"why": "declared input boundary -- ProcessTurn is a dispatcher and only the words it writes itself are modelled. The callees raise EVENT_SLAVES_DEAD, EVENT_SYSTEM_REBELLION_CONTINUES, the plague events and SEBuildCompleted, create ships and bump per-player ShipRecords counters"
},
{
"mitigation": "",
"risk": "medium",
"what": "ApplyInfraBonus / ApplyPopBonus read the owner's home-system id, and the build queue writes the owning ServerPlayer",
"why": "writes through a pointer to another object; no region reaches the player"
},
{
"mitigation": "",
"risk": "low",
"what": "ProcessRebellion is the pass's only RNG consumer and its draw count is data-dependent",
"why": "the generator IS a declared region, so a moved post-state is visible and names the system whose rebellion fired -- it is reported, not modelled"
},
{
"mitigation": "",
"risk": "medium",
"what": "replace mode is refused for this hook",
"why": "our side models the dispatcher's own writes and none of the callees, so a replace run would silently skip a colony's whole turn. There is therefore no oracle layer behind the compare for this hook"
}
],
"why": ""
},
"ftol": 0,
"ftol_kind": "abs",
"ptr": "ignore"
},
"Game::StrategyServer::MoveFleet": {
"coverage": {
"state": "partial",
"unmodelled": [
{
"mitigation": "guard:fleet sees the fleet's own words; the event and the system do not",
"risk": "high",
"what": "on arrival: dispatches SEFleetArrived and runs one of three arrival handlers by destination kind (enter system / join fleet / stop at point)",
"why": "declared input boundary -- an arriving call is expected to differ in all of it, and none of it is declared, so the compare says nothing about arrivals"
},
{
"mitigation": "",
"risk": "high",
"what": "on departure: cancels every still-acting ship (with a log line each) and calls ServerSystem::FleetDeparts, which rewrites the system's ownership bits",
"why": "writes through pointers to ships and to the system"
},
{
"mitigation": "",
"risk": "medium",
"what": "the tanker top-up refuels other ships in the fleet",
"why": "the per-ship range regions would show it, but ours does not model it, so a fleet with a tanker diverges for a known reason"
},
{
"mitigation": "declared gap: docs/B4.md",
"risk": "medium",
"what": "a node-line waypoint's step comes from the stutter profile",
"why": "NodeLineStep / BuildStutterSegments are written and unit-tested but not wired in; the hook steps every waypoint type as speed x dt, so a node-line leg is knowingly mis-stepped and only its type is recorded"
},
{
"mitigation": "",
"risk": "medium",
"what": "a missed probabilistic jump scatters the fleet in a random direction",
"why": "the direction is a second draw whose mapping is not modelled; ours leaves the position alone and reports the scatter distance, so the generator region diverges by one word on a miss"
},
{
"mitigation": "",
"risk": "medium",
"what": "the route revalidation and the waypoint list itself",
"why": "declared input boundary; the waypoint vector is not a region"
}
],
"why": ""
},
"ftol": 0,
"ftol_kind": "abs",
"ptr": "ignore"
},
"Game::StrategyServer::ProcessFleetMovement": {
"coverage": {
"state": "partial",
"unmodelled": [
{
"mitigation": "",
"risk": "high",
"what": "`ours` re-reads the LIVE fleet list after the original has run",
"why": "the gate-traffic total is computed by the original at the very end of the pass, so a pre-call snapshot would diverge for the wrong reason. It breaks the compare invariant that ours never touches live memory, and it makes this hook's verdict partly self-fulfilling: the input to our arithmetic is the original's own post-move state"
},
{
"mitigation": "",
"risk": "high",
"what": "drives MoveFleet up to five times per fleet",
"why": "every undeclared effect of MoveFleet happens inside this call too; the pass schedule is recorded in the arguments but never compared"
},
{
"mitigation": "",
"risk": "high",
"what": "writes FPdpos into every fleet and clears flags 0x2 and 0x100 on every fleet",
"why": "no region covers the fleets, only the players' gate-traffic words"
},
{
"mitigation": "",
"risk": "high",
"what": "OnFleetArrived posts EVENT_FLEET_ARRIVED",
"why": "the same class of write as B3's defect, and there is no replace mode for this hook, so nothing behind the compare could catch it either"
},
{
"mitigation": "",
"risk": "medium",
"what": "the original accumulates by player->index but writes back by the player's position in the server vector, into a fixed 32-int array with no bounds check",
"why": "a real latent bug in the original that our side reproduces only while index == position; the reference save never separates them"
},
{
"mitigation": "",
"risk": "medium",
"what": "PassSchedule() is never called by the hook, and FleetSummary::targetFleetId / relation are never filled",
"why": "the header claims ours predicts the call order for a trace to check; that prediction is not actually emitted"
}
],
"why": ""
},
"ftol": 0,
"ftol_kind": "abs",
"ptr": "ignore"
},
"Game::TechTree::ProcessResearch": {
"coverage": {
"state": "partial",
"unmodelled": [
{
"mitigation": "region:events",
"risk": "medium",
"what": "posts EVENT_RESEARCH_OVERBUDGET on the owner's EventStorage: ours reproduces the decision and the id sequence, so region:events compares next_id, but the composed EvDsc/EvMsg text is not reproduced and no region can see it",
"why": "text comes from the game's string table, which the engine must not carry; ours posts into its own EventStorage and writes only the counts into the scratch copy, so no live byte moves and replace mode posts nothing at all"
},
{
"mitigation": "region:events",
"risk": "low",
"what": "composes EVENT_TECHS_UNLOCKED's message from the unlocked techs' names",
"why": "the trigger and the list are modelled (SetResearched's availability sweep plus the tail collector, both read off the instruction stream), so region:events compares next_id; the names come from the game's string table, so the message is composed from node indices instead and is not the game's text"
},
{
"mitigation": "guard:player, guard:tree_header",
"risk": "high",
"what": "TechTree::SetResearched in REPLACE mode: nothing of it runs",
"why": "the cascade is compare-mode only. In replace mode every pointer is live game memory, and applying half of OnTechResearched -- the observed-tech append and the research-event roll, but not the tech-effect field writes -- would leave the player in a state no code path produces. A replace run therefore still leaves the completed node unstamped and no tech unlocked"
},
{
"mitigation": "guard:player",
"risk": "high",
"what": "ServerPlayer::OnTechResearched's tech effects: the ~90 hard-coded ServerPlayer field writes, the plague-cure masks, the design-option bitmasks and the species tech flags",
"why": "B2's milestone. `ours` models only the two parts of the callback this hook's regions can see -- the observed-tech append and the one RNG word RollResearchEvent draws -- and the rest is what the player guard reports"
},
{
"mitigation": "region:rng",
"risk": "medium",
"what": "the research-event branch RollResearchEvent takes when its roll beats the odds (0x00889d60: the plague and AI-rebellion event paths)",
"why": "the one NextFloat is drawn unconditionally and is modelled; the branch behind it is entered only for the plague and AI-rebellion tech families, whose odds are 0 everywhere else. If it is ever entered, region:rng is the check -- it would consume draws ours does not"
},
{
"mitigation": "region:observed_techs",
"risk": "medium",
"what": "constructs the ObservedTech element it appends to ServerPlayer+0x274",
"why": "`ours` models the append DECISION -- RecordObservedTech de-duplicates by tech name, so it decides whether the vector grows -- and moves the scratch header's byte span by one 0x2c element per append. The element's own fields (turn_first, turn_last, detected, the name string, `with`) are not built, and no region can see them"
},
{
"mitigation": "guard:tree_header",
"risk": "low",
"what": "the tree's completion-order counter (TechTree+0x20) is read pre-call, not modelled as a region",
"why": "the per-node `order` word IS compared, and it is stamped from a counter `ours` seeds from the pre-call read and advances itself; the counter's own final value is only seen by the tree_header guard"
},
{
"mitigation": "",
"risk": "low",
"what": "writes a completion line to the game log",
"why": "log text is not simulation state"
}
],
"why": ""
},
"ftol": 0,
"ftol_kind": "abs",
"ptr": "ignore"
},
"Game::WeaponDictionary::Init": {
"coverage": {
"state": "partial",
"unmodelled": [
{
"mitigation": "suspected cause of the sibling section hook's compare crash (docs/M2.md)",
"risk": "high",
"what": "LoadWeapon -> WeaponDef::ParseScript registers each weapon's name with the string table and resolves `requires` against the live TechTree",
"why": "per-file parsing is M3 scope; ours delegates to the game's own LoadWeapon, so a compare run performs the registration a SECOND time and neither the string table nor the tech tree is a declared region"
},
{
"mitigation": "",
"risk": "low",
"what": "allocates 123 WeaponDef objects (0x278 bytes each) on the game heap",
"why": "the definitions do not exist when the hook is entered, so they cannot be a before-snapshot; the dictionary region compares them by id/name/path"
},
{
"mitigation": "guard:dict",
"risk": "low",
"what": "the word at dictionary+0x14",
"why": "not modelled; emitted as an opaque pointer, which the default policy ignores -- a change is visible in a trace but never a divergence"
},
{
"mitigation": "",
"risk": "low",
"what": "writes lines to the game log for a missing manifest",
"why": "log text is not simulation state"
},
{
"mitigation": "",
"risk": "low",
"what": "std::sort tie order for equal weapon names",
"why": "msvc_sort.h replays MSVC 2010's introsort, but the shipped data has no tied names, so the tie rule is unexercised rather than verified"
}
],
"why": ""
},
"ftol": 0,
"ftol_kind": "abs",
"ptr": "ignore"
},
"Mars::GlobalConsts::LoadFile": {
"coverage": {
"state": "partial",
"unmodelled": [
{
"mitigation": "LoadAll's post-state would have to be hooked to see it",
"risk": "medium",
"what": "erases each consumed key from the caller's std::map",
"why": "the map is a LoadAll temporary; declaring a red-black tree as a region is not possible before the call. First-occurrence-wins is reproduced in game::config::apply instead, so the *effect* is modelled, the container is not"
},
{
"mitigation": "",
"risk": "low",
"what": "writes three kinds of line to the game log (unrecognised key, applied key, expected-but-not-found)",
"why": "log text is not part of the simulation state"
},
{
"mitigation": "",
"risk": "low",
"what": "opens the file through the VFS and allocates/releases a refcounted buffer",
"why": "ours performs the same two calls, so allocation behaviour matches by construction rather than by comparison"
},
{
"mitigation": "",
"risk": "low",
"what": "String slots assign through the engine's own std::string, leaking one heap block per long string in compare mode",
"why": "start-up only; documented in docs/M1.md"
}
],
"why": ""
},
"ftol": 0,
"ftol_kind": "abs",
"ptr": "ignore"
},
"Shim::SelfTest::Fill": {
"coverage": {
"state": "complete",
"unmodelled": [],
"why": "Fill writes buf[0..n) and nothing else; the whole range is a declared region"
},
"ftol": 0,
"ftol_kind": "abs",
"ptr": "ignore"
}
},
"inline_max": 256,
"started": "2026-09-08T10:30:02Z"
}
],
"totals": {
"calls": 15,
"compared": 15,
"coverage_contradicted": 0,
"coverage_unstated": 0,
"diverged": 0,
"guarded_calls": 15,
"invalid_records": 0,
"undeclared_calls": 2,
"undeclared_writes": 9
},
"warnings": []
}