// Restricted Copy Functions
V3Formula* const
V3Formula::createSuccessor(V3NtkHandler* const handler) const {
assert (handler);
if (_handler != handler->getHandler()) {
Msg(MSG_ERR) << "Require handler to be the Immediate Sucessor of formula's Handler !!" << endl;
return 0;
}
V3Formula* const formula = new V3Formula(handler); assert (formula);
formula->_formula.clear(); formula->_formula.reserve(_formula.size());
formula->_rootId = _rootId; V3NetId id; V3InputVec inputs; inputs.clear();
for (uint32_t i = 0; i < _formula.size(); ++i)
if (isLeaf(i)) {
id = getNetId(i); assert (V3NetUD != id);
id = handler->getCurrentNetId(id); inputs.push_back(id);
if (V3NetUD == id) {
Msg(MSG_ERR) << "Unresolvable Formula Found !!" << endl;
delete formula; return 0;
}
else formula->_formula.push_back(make_pair(_formula[i].first, inputs));
inputs.clear();
}
else formula->_formula.push_back(_formula[i]);
assert (formula); return formula;
}
const V3NetId
V3NtkElaborate::elaborateL2S(const V3NetId& id) {
assert (_ntk); assert (_p2cMap.size()); assert (id.id < _ntk->getNetSize());
assert (isMutable()); assert (_shadow.size() == _handler->getNtk()->getLatchSize());
// Create L2S Data Members if NOT Exist
V3BvNtk* const bvNtk = dynamic_cast<V3BvNtk*>(_ntk);
V3InputVec inputs; inputs.clear(); inputs.reserve(4);
if (V3NetUD == _saved || V3NetUD == _1stSave || V3NetUD == _inLoop) {
assert (V3NetUD == _saved && V3NetUD == _1stSave && V3NetUD == _inLoop);
_saved = _ntk->createNet(1); // Create Latch (_saved) for "In the Loop"
const V3NetId oracle = _ntk->createNet(1), inSaved = _ntk->createNet(1);
inputs.push_back(~_saved); inputs.push_back(~oracle); _ntk->setInput(inSaved, inputs);
_ntk->createGate((bvNtk ? BV_AND : AIG_NODE), inSaved); inputs.clear();
inputs.push_back(~inSaved); inputs.push_back(0); _ntk->setInput(_saved, inputs);
_ntk->createLatch(_saved); inputs.clear(); _ntk->createInput(oracle);
_1stSave = _ntk->createNet(1); // Create Net (_1stSave) for "Loop Start"
inputs.push_back(oracle); inputs.push_back(~_saved); _ntk->setInput(_1stSave, inputs);
_ntk->createGate((bvNtk ? BV_AND : AIG_NODE), _1stSave); inputs.clear();
_inLoop = _ntk->createNet(1); // Create Net (_inLoop) for "_1stSave || _saved"
inputs.push_back(~_1stSave); inputs.push_back(~_saved); _ntk->setInput(_inLoop, inputs);
_ntk->createGate((bvNtk ? BV_AND : AIG_NODE), _inLoop); inputs.clear(); _inLoop = ~_inLoop;
}
// Create Equivalence Logic and Shadow FF if NOT Exist
V3NetId ffId; V3GateType type; V3UI32Vec newShadow; newShadow.clear();
for (uint32_t i = 0; i < _shadow.size(); ++i) {
ffId = _p2cMap[_handler->getNtk()->getLatch(i).id]; assert (V3_FF == _ntk->getGateType(ffId));
if (V3NetUD == ffId || V3NetUD != _shadow[i]) continue; newShadow.push_back(i);
// Create Net for Shadow FF
_shadow[i] = _ntk->createNet(_ntk->getNetWidth(ffId)); assert (V3NetUD != _shadow[i]);
V3NetId shadowMux = V3NetUD; // Create Input MUX of Shadow FF
if (bvNtk) {
inputs.push_back(_shadow[i]); inputs.push_back(ffId); inputs.push_back(_1stSave);
type = BV_MUX; shadowMux = elaborateBvGate(bvNtk, type, inputs, _netHash);
}
else {
inputs.push_back(_1stSave); inputs.push_back(ffId);
inputs.push_back(~_1stSave); inputs.push_back(_shadow[i]);
type = AIG_NODE; shadowMux = elaborateAigAndOrAndGate(_ntk, inputs, _netHash);
}
// Create Shadow FF
assert (V3NetUD != shadowMux); inputs.clear(); inputs.push_back(shadowMux);
if (_ntk->getNetWidth(ffId) == 1) inputs.push_back(0);
else {
V3InputVec constInputs(1, bvNtk->hashV3ConstBitVec(v3Int2Str(_ntk->getNetWidth(ffId)) + "'d0"));
type = BV_CONST; inputs.push_back(elaborateBvGate(bvNtk, type, constInputs, _netHash));
}
_ntk->setInput(_shadow[i], inputs); _ntk->createLatch(_shadow[i]); inputs.clear();
// Create Equivalence Gate and Update _shadow
if (bvNtk) {
inputs.push_back(ffId); inputs.push_back(_shadow[i]); type = BV_EQUALITY;
_shadow[i] = elaborateBvGate(bvNtk, type, inputs, _netHash);
}
else {
inputs.push_back(ffId); inputs.push_back(_shadow[i]);
inputs.push_back(~ffId); inputs.push_back(~_shadow[i]);
_shadow[i] = elaborateAigAndOrAndGate(_ntk, inputs, _netHash);
}
assert (V3NetUD != _shadow[i]); assert (1 == _ntk->getNetWidth(_shadow[i])); inputs.clear();
}
// Create or Update Net (_looped) for "Loop Found" if NOT Exist
if (V3NetUD == _looped) _looped = _saved;
for (uint32_t i = 0; i < newShadow.size(); ++i) {
assert (V3NetUD != _p2cMap[_handler->getNtk()->getLatch(i).id]); assert (V3NetUD != _shadow[i]);
inputs.push_back(_looped); inputs.push_back(_shadow[i]);
if (bvNtk) { type = BV_AND; _looped = elaborateBvGate(bvNtk, type, inputs, _netHash); }
else { type = AIG_NODE; _looped = elaborateAigGate(_ntk, type, inputs, _netHash); }
assert (V3NetUD != _looped); inputs.clear();
}
if (V3NetId::makeNetId(0) == ~id) return _looped;
// Create Latch (pLatch) for Recording Existence of Violation to id
const V3NetId pLatch = _ntk->createNet(1), in_pLatch = _ntk->createNet(1);
inputs.push_back(~pLatch); inputs.push_back(id); _ntk->setInput(in_pLatch, inputs);
_ntk->createGate((bvNtk ? BV_AND : AIG_NODE), in_pLatch); inputs.clear();
inputs.push_back(~in_pLatch); inputs.push_back(0); _ntk->setInput(pLatch, inputs);
_ntk->createLatch(pLatch); inputs.clear();
// Create L2S Property Output (to Witness "_looped && in_pLatch")
V3NetId pId = V3NetUD; inputs.push_back(_looped); inputs.push_back(in_pLatch);
if (bvNtk) { type = BV_AND; pId = elaborateBvGate(bvNtk, type, inputs, _netHash); }
else { type = AIG_NODE; pId = elaborateAigGate(_ntk, type, inputs, _netHash); }
assert (V3NetUD != pId); inputs.clear(); return pId;
}
// Transformation Functions
void
V3NtkExpand2::performNtkTransformation(const bool& init) {
V3Ntk* const ntk = _handler->getNtk(); assert (ntk);
const uint32_t parentNets = ntk->getNetSize(); assert (parentNets);
// Initialize Mappers From Parent Ntk (Index) to Current Ntk (V3NetId)
_p2cMap = V3NetTable(_cycle, V3NetVec(parentNets, V3NetUD));
_latchMap = V3NetTable(_cycle, V3NetVec(parentNets, V3NetUD));
for (uint32_t cycle = 0; cycle < _cycle; ++cycle) _p2cMap[cycle][0] = V3NetId::makeNetId(0);
// Compute DFS Order for Transformation
V3NetVec orderMap; orderMap.clear(); dfsNtkForGeneralOrder(ntk, orderMap);
assert (orderMap.size() <= parentNets); assert (!orderMap[0].id);
V3NetId id; V3InputVec inputs; inputs.reserve(3); inputs.clear();
// Expand Network
for (uint32_t cycle = 0; cycle < _cycle; ++cycle) {
V3NetVec& p2cMap = _p2cMap[cycle]; assert (parentNets == p2cMap.size());
// Construct PI / PIO in Consistent Order
uint32_t i = 1;
for (uint32_t j = i + ntk->getInputSize(); i < j; ++i) {
assert (parentNets > orderMap[i].id); assert (V3NetUD == p2cMap[orderMap[i].id]);
p2cMap[orderMap[i].id] = _ntk->createNet(ntk->getNetWidth(orderMap[i]));
assert (V3_PI == ntk->getGateType(orderMap[i]));
_ntk->createInput(p2cMap[orderMap[i].id]);
//cout << "PI " << orderMap[i].id << endl;
//cout << "PI " << p2cMap[orderMap[i].id].id << endl;
}
for (uint32_t j = i + ntk->getInoutSize(); i < j; ++i) {
assert (parentNets > orderMap[i].id); assert (V3NetUD == p2cMap[orderMap[i].id]);
p2cMap[orderMap[i].id] = _ntk->createNet(ntk->getNetWidth(orderMap[i]));
assert (V3_PIO == ntk->getGateType(orderMap[i]));
_ntk->createInout(p2cMap[orderMap[i].id]);
}
// Construct Latches in Consistent Order
for (uint32_t j = i + ntk->getLatchSize(); i < j; ++i) {
assert (parentNets > orderMap[i].id); assert (V3NetUD == p2cMap[orderMap[i].id]);
assert (V3_FF == ntk->getGateType(orderMap[i]));
if (cycle) { // Connect FF with the Last Frame
id = ntk->getInputNetId(orderMap[i], 0); assert (V3NetUD != _p2cMap[cycle - 1][id.id]);
p2cMap[orderMap[i].id] = V3NetId::makeNetId(_p2cMap[cycle - 1][id.id].id,
_p2cMap[cycle - 1][id.id].cp ^ id.cp);
_latchMap[cycle][i-1-(ntk->getInputSize())] = p2cMap[orderMap[i].id];
//cout << "FF " << orderMap[i].id << endl;
//cout << "FF " << p2cMap[orderMap[i].id].id << endl;
}
else { // Set Latches as Free Inputs (which will be appended after PI / PIO)
p2cMap[orderMap[i].id] = _ntk->createNet(1);
_ntk->createLatch(p2cMap[orderMap[i].id]);
_latchMap[cycle][i-1-(ntk->getInputSize())] = p2cMap[orderMap[i].id];
}
}
// Construct Nets and Connections
for (; i < orderMap.size(); ++i) {
assert (parentNets > orderMap[i].id); assert (V3NetUD == p2cMap[orderMap[i].id]);
const V3GateType& type = ntk->getGateType(orderMap[i]); assert (V3_XD > type);
p2cMap[orderMap[i].id] = _ntk->createNet(ntk->getNetWidth(orderMap[i]));
//cout << "AIG " << orderMap[i].id << endl;
//cout << "AIG " << p2cMap[orderMap[i].id].id << endl;
if (AIG_NODE == type) {
id = ntk->getInputNetId(orderMap[i], 0); assert (V3NetUD != p2cMap[id.id]);
inputs.push_back(V3NetId::makeNetId(p2cMap[id.id].id, p2cMap[id.id].cp ^ id.cp));
id = ntk->getInputNetId(orderMap[i], 1); assert (V3NetUD != p2cMap[id.id]);
inputs.push_back(V3NetId::makeNetId(p2cMap[id.id].id, p2cMap[id.id].cp ^ id.cp));
}
else { _ntk->createConst(p2cMap[orderMap[i].id]); continue; }
_ntk->setInput(p2cMap[orderMap[i].id], inputs); inputs.clear();
_ntk->createGate(ntk->getGateType(orderMap[i]), p2cMap[orderMap[i].id]);
}
// Construct PO in Consistent Order
for (i = 0; i < ntk->getOutputSize(); ++i) {
id = ntk->getOutput(i); assert (V3NetUD != p2cMap[id.id]);
_ntk->createOutput(V3NetId::makeNetId(p2cMap[id.id].id, p2cMap[id.id].cp ^ id.cp));
}
}
// Set Latches in Consistent Order as Primary Inputs
uint32_t i = 1;
for (uint32_t j = i + ntk->getInputSize(); i < j; ++i) {}
for (uint32_t j = i + ntk->getLatchSize(); i < j; ++i) {
id = ntk->getInputNetId( orderMap[i], 0 );
inputs.push_back(V3NetId::makeNetId(_p2cMap[0][id.id].id, _p2cMap[0][id.id].cp ^ id.cp));
id = ntk->getInputNetId( orderMap[i], 1 );
inputs.push_back(V3NetId::makeNetId(id.id, id.cp));
//cerr << "id.id:" << id.id << "id.cp:" << id.cp << endl;
_ntk->setInput(_p2cMap[0][orderMap[i].id], inputs); inputs.clear();
//cout << "FF " << orderMap[i].id << endl;
//cout << "FF " << p2cMap[orderMap[i].id].id << endl;
}
// Complete Mapping Table from Current Ntk to Parent Ntk
_c2pMap = V3NetVec(_ntk->getNetSize(), V3NetUD); _c2pMap[0] = V3NetId::makeNetId(0);
for (uint32_t cycle = 0; cycle < _cycle; ++cycle) {
V3NetVec& p2cMap = _p2cMap[cycle]; assert (_c2pMap[0] == p2cMap[0]);
for (uint32_t i = 0; i < p2cMap.size(); ++i) {
if (V3NetUD == p2cMap[i] || V3NetUD != _c2pMap[p2cMap[i].id]) continue;
else _c2pMap[p2cMap[i].id] = V3NetId::makeNetId(i, p2cMap[i].cp);
}
}
}
// Transformation Functions
void
V3NtkExpand::performNtkTransformation(const bool& init) {
V3Ntk* const ntk = _handler->getNtk(); assert (ntk);
const uint32_t parentNets = ntk->getNetSize(); assert (parentNets);
const bool isBvNtk = dynamic_cast<V3BvNtk*>(ntk);
// Initialize Mappers From Parent Ntk (Index) to Current Ntk (V3NetId)
_p2cMap = V3NetTable(_cycle, V3NetVec(parentNets, V3NetUD));
for (uint32_t cycle = 0; cycle < _cycle; ++cycle) _p2cMap[cycle][0] = V3NetId::makeNetId(0);
// Compute DFS Order for Transformation
V3NetVec orderMap; orderMap.clear(); dfsNtkForGeneralOrder(ntk, orderMap);
assert (orderMap.size() <= parentNets); assert (!orderMap[0].id);
V3NetId id; V3InputVec inputs; inputs.reserve(3); inputs.clear();
// Expand Network
for (uint32_t cycle = 0; cycle < _cycle; ++cycle) {
V3NetVec& p2cMap = _p2cMap[cycle]; assert (parentNets == p2cMap.size());
// Construct PI / PIO in Consistent Order
uint32_t i = 1;
for (uint32_t j = i + ntk->getInputSize(); i < j; ++i) {
assert (parentNets > orderMap[i].id); assert (V3NetUD == p2cMap[orderMap[i].id]);
p2cMap[orderMap[i].id] = _ntk->createNet(ntk->getNetWidth(orderMap[i]));
assert (V3_PI == ntk->getGateType(orderMap[i]));
_ntk->createInput(p2cMap[orderMap[i].id]);
//cout << "PI " << orderMap[i].id << endl;
//cout << "PI " << p2cMap[orderMap[i].id].id << endl;
}
for (uint32_t j = i + ntk->getInoutSize(); i < j; ++i) {
assert (parentNets > orderMap[i].id); assert (V3NetUD == p2cMap[orderMap[i].id]);
p2cMap[orderMap[i].id] = _ntk->createNet(ntk->getNetWidth(orderMap[i]));
assert (V3_PIO == ntk->getGateType(orderMap[i]));
_ntk->createInout(p2cMap[orderMap[i].id]);
}
// Construct Latches in Consistent Order
for (uint32_t j = i + ntk->getLatchSize(); i < j; ++i) {
assert (parentNets > orderMap[i].id); assert (V3NetUD == p2cMap[orderMap[i].id]);
assert (V3_FF == ntk->getGateType(orderMap[i]));
if (cycle) { // Connect FF with the Last Frame
id = ntk->getInputNetId(orderMap[i], 0); assert (V3NetUD != _p2cMap[cycle - 1][id.id]);
p2cMap[orderMap[i].id] = V3NetId::makeNetId(_p2cMap[cycle - 1][id.id].id,
_p2cMap[cycle - 1][id.id].cp ^ id.cp);
//cout << "FF0 " << orderMap[i].id << endl;
//cout << "FF0 " << p2cMap[orderMap[i].id].id << endl;
}
else { // Set Latches as Free Inputs (which will be appended after PI / PIO)
if (!init) p2cMap[orderMap[i].id] = _ntk->createNet(ntk->getNetWidth(orderMap[i]));
else {
const V3NetId id1 = ntk->getInputNetId(orderMap[i], 1); assert (id1.id < ntk->getNetSize());
if (!id1.id) p2cMap[orderMap[i].id] = id1;
else if (id1 == orderMap[i]) p2cMap[orderMap[i].id] = _ntk->createNet(ntk->getNetWidth(orderMap[i]));
else p2cMap[orderMap[i].id] = V3NetId::makeNetId(p2cMap[id1.id].id, p2cMap[id1.id].cp ^ id1.cp);
//cout << "FF " << orderMap[i].id << endl;
//cout << "FF " << p2cMap[orderMap[i].id].id << endl;
}
}
}
// Construct Nets and Connections
for (; i < orderMap.size(); ++i) {
assert (parentNets > orderMap[i].id); assert (V3NetUD == p2cMap[orderMap[i].id]);
const V3GateType& type = ntk->getGateType(orderMap[i]); assert (V3_XD > type);
p2cMap[orderMap[i].id] = _ntk->createNet(ntk->getNetWidth(orderMap[i]));
//cout << "AIG " << orderMap[i].id << endl;
//cout << "AIG " << p2cMap[orderMap[i].id].id << endl;
if (isBvNtk) {
assert (AIG_FALSE < type);
if (BV_CONST == type) {
inputs.push_back(ntk->getInputNetId(orderMap[i], 0));
_ntk->setInput(p2cMap[orderMap[i].id], inputs); inputs.clear();
_ntk->createConst(p2cMap[orderMap[i].id]); continue;
}
else if (BV_SLICE == type) {
id = ntk->getInputNetId(orderMap[i], 0); assert (V3NetUD != p2cMap[id.id]);
inputs.push_back(V3NetId::makeNetId(p2cMap[id.id].id, p2cMap[id.id].cp ^ id.cp));
inputs.push_back(ntk->getInputNetId(orderMap[i], 1));
}
else {
for (uint32_t j = 0; j < ntk->getInputNetSize(orderMap[i]); ++j) {
id = ntk->getInputNetId(orderMap[i], j); assert (V3NetUD != p2cMap[id.id]);
inputs.push_back(V3NetId::makeNetId(p2cMap[id.id].id, p2cMap[id.id].cp ^ id.cp));
}
}
}
else {
if (AIG_NODE == type) {
id = ntk->getInputNetId(orderMap[i], 0); assert (V3NetUD != p2cMap[id.id]);
inputs.push_back(V3NetId::makeNetId(p2cMap[id.id].id, p2cMap[id.id].cp ^ id.cp));
id = ntk->getInputNetId(orderMap[i], 1); assert (V3NetUD != p2cMap[id.id]);
inputs.push_back(V3NetId::makeNetId(p2cMap[id.id].id, p2cMap[id.id].cp ^ id.cp));
}
else { _ntk->createConst(p2cMap[orderMap[i].id]); continue; }
}
/*for (unsigned ii = 0, s = inputs.size(); ii < s; ++ii){
cout << inputs[ii].id.id << " ";
}
cout << endl;*/
//cout << "?? " << (_ntk->getGateType(p2cMap[orderMap[i].id]) == V3_PI) << endl;
_ntk->setInput(p2cMap[orderMap[i].id], inputs); inputs.clear();
_ntk->createGate(ntk->getGateType(orderMap[i]), p2cMap[orderMap[i].id]);
}
// Construct PO in Consistent Order
for (i = 0; i < ntk->getOutputSize(); ++i) {
id = ntk->getOutput(i); assert (V3NetUD != p2cMap[id.id]);
_ntk->createOutput(V3NetId::makeNetId(p2cMap[id.id].id, p2cMap[id.id].cp ^ id.cp));
}
}
// Set Latches in Consistent Order as Primary Inputs
for (uint32_t i = 0; i < ntk->getLatchSize(); ++i) {
id = ntk->getLatch(i); assert (V3NetUD != _p2cMap[0][id.id]);
//cout << id.id << endl;
//cout << V3GateTypeStr[_ntk->getGateType(id)] << endl;
//cout << V3GateTypeStr[_ntk->getGateType(_p2cMap[0][id.id])] << endl;
if (V3_PI == _ntk->getGateType(_p2cMap[0][id.id]))_ntk->createInput(_p2cMap[0][id.id]);
}
// Complete Mapping Table from Current Ntk to Parent Ntk
_c2pMap = V3NetVec(_ntk->getNetSize(), V3NetUD); _c2pMap[0] = V3NetId::makeNetId(0);
for (uint32_t cycle = 0; cycle < _cycle; ++cycle) {
V3NetVec& p2cMap = _p2cMap[cycle]; assert (_c2pMap[0] == p2cMap[0]);
for (uint32_t i = 0; i < p2cMap.size(); ++i) {
if (V3NetUD == p2cMap[i] || V3NetUD != _c2pMap[p2cMap[i].id]) continue;
else _c2pMap[p2cMap[i].id] = V3NetId::makeNetId(i, p2cMap[i].cp);
}
}
}
void
V3Ntk::setInput(const V3NetId& id, const V3InputVec& inputs) {
assert (validNetId(id)); //assert (V3_PI == getGateType(id));
V3InputVec& fanInVec = _inputData[id.id]; assert (!fanInVec.size());
for (uint32_t i = 0; i < inputs.size(); ++i) fanInVec.push_back(inputs[i]);
}
const V3NetId
V3NtkElaborate::elaborateL2S(const V3NetId& id) {
assert (_ntk); assert (_p2cMap.size()); assert (id.id < _ntk->getNetSize());
assert (isMutable()); assert (_shadow.size() == _handler->getNtk()->getLatchSize());
// Create L2S Data Members if NOT Exists
V3BvNtk* const bvNtk = dynamic_cast<V3BvNtk*>(_ntk);
V3InputVec inputs; inputs.clear(); inputs.reserve(4);
V3GateType type;
if ((V3NetUD == _saved) || (V3NetUD == _1stSave)) {
assert ((V3NetUD == _saved) && (V3NetUD == _1stSave));
_saved = _ntk->createNet(1); _1stSave = _ntk->createNet(1);
const V3NetId oracle = _ntk->createNet(1), inSaved = _ntk->createNet(1);
inputs.push_back(~_saved); inputs.push_back(~oracle); _ntk->setInput(inSaved, inputs);
_ntk->createGate((bvNtk ? BV_AND : AIG_NODE), inSaved); inputs.clear();
inputs.push_back(~inSaved); inputs.push_back(0); _ntk->setInput(_saved, inputs);
_ntk->createLatch(_saved); inputs.clear(); _ntk->createInput(oracle);
// Set Inputs of _1stSave
inputs.push_back(oracle); inputs.push_back(~_saved); _ntk->setInput(_1stSave, inputs);
_ntk->createGate((bvNtk ? BV_AND : AIG_NODE), _1stSave); inputs.clear();
}
// Create Equivalence Logic and Shadow FF if NOT Exists
for (uint32_t i = 0; i < _shadow.size(); ++i) {
if (V3NetUD == _shadow[i] && V3NetUD != _p2cMap[_handler->getNtk()->getLatch(i).id]) {
assert (V3_FF == _ntk->getGateType(_p2cMap[_handler->getNtk()->getLatch(i).id]));
_shadow[i] = _ntk->createNet(_ntk->getNetWidth(_p2cMap[_handler->getNtk()->getLatch(i).id]));
// Create Input MUX of Shadow FF
V3NetId shadowMux = V3NetUD;
if (bvNtk) {
inputs.push_back(_p2cMap[_handler->getNtk()->getLatch(i).id]);
inputs.push_back(_shadow[i]); inputs.push_back(~_1stSave);
type = BV_MUX; shadowMux = elaborateBvGate(bvNtk, type, inputs, _netHash);
}
else {
inputs.push_back(_1stSave); inputs.push_back(_p2cMap[_handler->getNtk()->getLatch(i).id]);
inputs.push_back(~_1stSave); inputs.push_back(_shadow[i]);
type = AIG_NODE; shadowMux = elaborateAigAndOrAndGate(_ntk, inputs, _netHash);
}
assert (V3NetUD != shadowMux); inputs.clear();
// Create Shadow FF
inputs.clear(); inputs.push_back(shadowMux);
const uint32_t width = (bvNtk) ? _ntk->getNetWidth(_p2cMap[_handler->getNtk()->getLatch(i).id]) : 1;
if (width > 1) {
V3InputVec constInputs(1, bvNtk->hashV3ConstBitVec(v3Int2Str(width) + "'d0"));
type = BV_CONST; inputs.push_back(elaborateBvGate(bvNtk, type, constInputs, _netHash));
}
else inputs.push_back(0);
_ntk->setInput(_shadow[i], inputs); _ntk->createLatch(_shadow[i]); inputs.clear();
// Create Equivalence Gate and Update _shadow
if (bvNtk) {
inputs.push_back(_p2cMap[_handler->getNtk()->getLatch(i).id]);
inputs.push_back(_shadow[i]); type = BV_EQUALITY;
_shadow[i] = elaborateBvGate(bvNtk, type, inputs, _netHash);
}
else {
inputs.push_back(_p2cMap[_handler->getNtk()->getLatch(i).id]);
inputs.push_back(_shadow[i]); inputs.push_back(~_shadow[i]);
inputs.push_back(~_p2cMap[_handler->getNtk()->getLatch(i).id]);
_shadow[i] = elaborateAigAndOrAndGate(_ntk, inputs, _netHash);
}
inputs.clear(); assert (V3NetUD != _shadow[i]);
}
}
// Build LTL Formula Output Logic
const V3NetId pLatch = _ntk->createNet(1), in_pLatch = _ntk->createNet(1);
inputs.push_back(~pLatch); inputs.push_back(~id); _ntk->setInput(in_pLatch, inputs);
_ntk->createGate((bvNtk ? BV_AND : AIG_NODE), in_pLatch); inputs.clear();
inputs.push_back(~in_pLatch); inputs.push_back(0); _ntk->setInput(pLatch, inputs);
_ntk->createLatch(pLatch); inputs.clear();
// Build LTL Formula Output
V3NetId pId = V3NetUD; inputs.push_back(_saved); inputs.push_back(~pLatch);
if (bvNtk) { type = BV_AND; pId = elaborateBvGate(bvNtk, type, inputs, _netHash); }
else { type = AIG_NODE; pId = elaborateAigGate(_ntk, type, inputs, _netHash); }
assert (V3NetUD != pId); inputs.clear();
// Build LTL Formula Output with Related Latches Only
_ntk->newMiscData(); dfsRecurMarkFaninCone(_ntk, id);
for (uint32_t i = 0; i < _shadow.size(); ++i) {
if (V3NetUD == _shadow[i]) continue;
if (!_ntk->isLatestMiscData(_p2cMap[_handler->getNtk()->getLatch(i).id])) continue;
inputs.push_back(pId); inputs.push_back(_shadow[i]);
if (bvNtk) { type = BV_AND; pId = elaborateBvGate(bvNtk, type, inputs, _netHash); }
else { type = AIG_NODE; pId = elaborateAigGate(_ntk, type, inputs, _netHash); }
assert (V3NetUD != pId); inputs.clear();
}
return pId;
}