void
V3SVrfIPDR::generalizeSimulation2(const uint32_t& d, V3SIPDRCube* const cube, const V3SIPDRCube* const nextCube) {
assert (d < _pdrSvr.size()); assert (cube); assert (nextCube);
assert (nextCube == cube->getNextCube()); assert (_pdrSim);
// Set Values for Simulator
for (uint32_t i = 0; i < _vrfNtk->getInputSize(); ++i) {
if (!_pdrSvr[d]->existVerifyData(_vrfNtk->getInput(i), 0)) _pdrSim->clearSource(_vrfNtk->getInput(i), true);
else _pdrSim->setSource(_vrfNtk->getInput(i), _pdrSvr[d]->getDataValue(_vrfNtk->getInput(i), 0));
}
for (uint32_t i = 0; i < _vrfNtk->getLatchSize(); ++i) {
if (!_pdrSvr[d]->existVerifyData(_vrfNtk->getLatch(i), 0)) _pdrSim->clearSource(_vrfNtk->getLatch(i), true);
else _pdrSim->setSource(_vrfNtk->getLatch(i), _pdrSvr[d]->getDataValue(_vrfNtk->getLatch(i), 0));
}
_pdrSim->simulate();
// Perform SAT Generalization
if (_pdrBad != nextCube) _pdrGen->setTargetNets2(V3NetVec(), nextCube->getState(), _decompDepth);
else {
V3NetVec constrCube(1, nextCube->getState()[0]);
assert (1 == nextCube->getState().size()); _pdrGen->setTargetNets(constrCube);
}
// Set Priority
V3UI32Vec prioNets; prioNets.clear(); prioNets.reserve(_pdrPriority.size());
for (uint32_t i = 0; i < _pdrPriority.size(); ++i) if (!_pdrPriority[i]) prioNets.push_back(i);
for (uint32_t i = 0; i < _pdrPriority.size(); ++i) if ( _pdrPriority[i]) prioNets.push_back(i);
//_pdrGen->_tem = true;
_pdrGen->performSetXForNotCOIVars(false); _pdrGen->performXPropForExtensibleVars(prioNets,false);
cube->setState(_pdrGen->getGeneralizationResult());
}
void computeFanout(V3Ntk* const ntk, V3NetTable& outputTable, const V3NetVec& targetNets) {
assert (ntk); outputTable.clear(); outputTable.reserve(ntk->getNetSize());
for (uint32_t i = 0; i < ntk->getNetSize(); ++i) outputTable.push_back(V3NetVec());
V3BoolVec m(ntk->getNetSize(), false);
// Set Latest Misc Data on (Pseudo) PI / PIO / Const
for (uint32_t i = 0; i < ntk->getInputSize(); ++i) m[ntk->getInput(i).id] = true;
for (uint32_t i = 0; i < ntk->getInoutSize(); ++i) m[ntk->getInout(i).id] = true;
for (uint32_t i = 0; i < ntk->getLatchSize(); ++i) m[ntk->getLatch(i).id] = true;
for (uint32_t i = 0; i < ntk->getConstSize(); ++i) m[ntk->getConst(i).id] = true;
// DFS Compute Fanout List From (Pseudo) PO / PIO
for (uint32_t i = 0; i < ntk->getLatchSize(); ++i) {
dfsComputeFanout(ntk, ntk->getInputNetId(ntk->getLatch(i), 0), m, outputTable);
dfsComputeFanout(ntk, ntk->getInputNetId(ntk->getLatch(i), 1), m, outputTable);
}
for (uint32_t i = 0; i < ntk->getInoutSize(); ++i)
dfsComputeFanout(ntk, ntk->getInputNetId(ntk->getInout(i), 0), m, outputTable);
if (targetNets.size())
for (uint32_t i = 0; i < targetNets.size(); ++i) dfsComputeFanout(ntk, targetNets[i], m, outputTable);
else
for (uint32_t i = 0; i < ntk->getOutputSize(); ++i) dfsComputeFanout(ntk, ntk->getOutput(i), m, outputTable);
}
void
V3SVrfIPDR::startVerify2(const uint32_t& p) {
// Initialize Parameters
cerr << "Multi-Step PDR\n";
uint32_t proved = V3NtkUD, fired = V3NtkUD;
struct timeval inittime, curtime; gettimeofday(&inittime, NULL);
clearResult(p); if (profileON()) _totalStat->start(); assert (!_constr.size());
const string flushSpace = string(100, ' ');
setEndline(true);
_maxTime = 900;
// Clear Verification Results
if(_tem_decomp == false) _decompDepth = 1;
if (!reportUnsupportedInitialState()) return;
//printNetlist(_vrfNtk);
V3NtkExpand2* const pNtk = new V3NtkExpand2(_handler, _decompDepth+1, true); assert (pNtk);
_handler->_ntk = pNtk->getNtk();
_vrfNtk = pNtk->getNtk();
//_handler->_latchMap = V3NetTable(_cycle, V3NetVec(parentNets, V3NetUD));
_handler->_latchMap = &(pNtk->_latchMap);
if(_decompDepth >1) _handler->_decDep = _decompDepth;
v3Handler.pushAndSetCurHandler(_handler);
//printNetlist(pNtk->getNtk());
/*for (unsigned i = 0; i < 3; ++i){
for (unsigned j = 0; j < 6; ++j){
cout << _handler->_latchMap->at(i)[j].id << ":" << _handler->_latchMap->at(i)[j].cp << endl;
}
}*/
_pdrGen = new V3AlgAigGeneralize(_handler); assert (_pdrGen);
_pdrSim = dynamic_cast<V3AlgAigSimulate*>(_pdrGen); assert (_pdrSim);
V3NetVec simTargets(1, _vrfNtk->getOutput(p)); _pdrSim->reset2(simTargets);
// Initialize Pattern Input Size
assert (p < _result.size()); assert (p < _vrfNtk->getOutputSize());
const V3NetId& pId = _vrfNtk->getOutput(p); assert (V3NetUD != pId);
_pdrSize = _vrfNtk->getInputSize() + _vrfNtk->getInoutSize();
// Initialize Signal Priority List
if (_pdrPriority.size() != _vrfNtk->getLatchSize()) _pdrPriority.resize(_vrfNtk->getLatchSize());
// Initialize Bad Cube
_pdrBad = new V3SIPDRCube(0); assert (_pdrBad); _pdrBad->setState(V3NetVec(1, pId));
// Initialize Frame 0, Solver 0
_pdrFrame.push_back(new V3SIPDRFrame()); assert (_pdrFrame.size() == 1);
initializeSolver2(0);
assert (_pdrSvr.size() == 1); assert (_pdrSvr.back());
if (_vrfNtk->getLatchSize()) _pdrSvr.back()->assertInit(); // R0 = I0
// Start PDR Based Verification
V3SIPDRCube* badCube = 0;
while (true) {
// Check Time Bounds
gettimeofday(&curtime, NULL);
if (_maxTime < getTimeUsed(inittime, curtime)) break;
// Find a Bad Cube as Initial Proof Obligation
badCube = getInitialObligation(); // SAT(R ^ T ^ !p)
if(heavy_debug){
if(!badCube) cerr << "the Cube is NULL\n";
if(badCube){
cerr << "the Cube is NOT NULL\n";
printState(badCube->getState());
}
}
if (!badCube) {
if (!isIncKeepSilent() && intactON() && frame_info ) {
if (!endLineON()) Msg(MSG_IFO) << "\r" + flushSpace + "\r";
Msg(MSG_IFO) << setw(3) << left << getPDRDepth() << " :";
const uint32_t j = (_pdrFrame.size() > 25) ? _pdrFrame.size() - 25 : 0; if (j) Msg(MSG_IFO) << " ...";
for (uint32_t i = j; i < _pdrFrame.size(); ++i)
Msg(MSG_IFO) << " " << _pdrFrame[i]->getCubeList().size();
Msg(MSG_IFO) << endl; // Always Endline At the End of Each Frame
}
// Set p to the Last Frame
_pdrSvr.back()->assertProperty(pId, true, 0);
// Push New Frame
_pdrFrame.push_back(new V3SIPDRFrame());
initializeSolver2(getPDRDepth());
assert (_pdrSvr.back()); assert (_pdrSvr.size() == _pdrFrame.size());
if (propagateCubes()) {
proved = getPDRDepth(); break;
}
}
else {
badCube = recursiveBlockCube2(badCube);
if (badCube) { fired = getPDRDepth(); break; }
// Interactively Show the Number of Bad Cubes in Frames
if (!isIncKeepSilent() && intactON() && frame_info) {
if (!endLineON()) Msg(MSG_IFO) << "\r" + flushSpace + "\r";
Msg(MSG_IFO) << setw(3) << left << getPDRDepth() << " :";
const uint32_t j = (_pdrFrame.size() > 25) ? _pdrFrame.size() - 25 : 0; if (j) Msg(MSG_IFO) << " ...";
for (uint32_t i = j; i < _pdrFrame.size(); ++i)
Msg(MSG_IFO) << " " << _pdrFrame[i]->getCubeList().size();
if (endLineON()) Msg(MSG_IFO) << endl; else Msg(MSG_IFO) << flush;
}
}
}
// Report Verification Result
if (!isIncKeepSilent() && reportON()) {
uint32_t c_size = 0;
for (uint32_t i = 0; i < _pdrFrame.size(); ++i)
c_size += _pdrFrame[i]->getCubeList().size();
cout << "CubeSize : " << c_size << endl;
if (intactON()) {
if (endLineON()) Msg(MSG_IFO) << endl;
else Msg(MSG_IFO) << "\r" << flushSpace << "\r";
}
if (V3NtkUD != proved) Msg(MSG_IFO) << "Inductive Invariant found at depth = " << ++proved;
else if (V3NtkUD != fired) Msg(MSG_IFO) << "Counter-example found at depth = " << ++fired;
else Msg(MSG_IFO) << "UNDECIDED at depth = " << _maxDepth;
if (usageON()) {
gettimeofday(&curtime, NULL);
Msg(MSG_IFO) << " (time = " << setprecision(5) << getTimeUsed(inittime, curtime) << " sec)" << endl;
}
if (profileON()) {
_totalStat->end();
Msg(MSG_IFO) << *_initSvrStat << endl;
Msg(MSG_IFO) << *_solveStat << endl;
Msg(MSG_IFO) << *_BMCStat << endl;
Msg(MSG_IFO) << *_generalStat << endl;
Msg(MSG_IFO) << *_propagateStat << endl;
Msg(MSG_IFO) << *_ternaryStat << endl;
Msg(MSG_IFO) << *_totalStat << endl;
}
}
// Record CounterExample Trace or Invariant
if (V3NtkUD != fired) { // Record Counter-Example
// Compute PatternCount
const V3SIPDRCube* traceCube = badCube; assert (traceCube);
uint32_t patternCount = 0; while (_pdrBad != traceCube) { traceCube = traceCube->getNextCube(); ++patternCount; }
V3CexTrace* const cex = new V3CexTrace(patternCount); assert (cex);
_result[p].setCexTrace(cex); assert (_result[p].isCex());
// Set Pattern Value
traceCube = badCube; assert (traceCube); assert (existInitial2(traceCube->getState()));
while (_pdrBad != traceCube) {
if (_pdrSize) cex->pushData(traceCube->getInputData());
traceCube = traceCube->getNextCube(); assert (traceCube);
}
const V3SIPDRCube* lastCube; traceCube = badCube;
while (_pdrBad != traceCube) { lastCube = traceCube->getNextCube(); delete traceCube; traceCube = lastCube; }
}
else if (V3NtkUD != proved) { // Record Inductive Invariant
_result[p].setIndInv(_vrfNtk); assert (_result[p].isInv());
// Put the Inductive Invariant to the Last Frame
uint32_t f = 1; for (; f < getPDRDepth(); ++f) if (!_pdrFrame[f]->getCubeList().size()) break;
assert (f < getPDRDepth());
for (uint32_t i = 1 + f; i < getPDRDepth(); ++i) {
const V3SIPDRCubeList& cubeList = _pdrFrame[i]->getCubeList(); V3SIPDRCubeList::const_iterator it;
for (it = cubeList.begin(); it != cubeList.end(); ++it) _pdrFrame.back()->pushCube(*it);
_pdrFrame[i]->clearCubeList(); delete _pdrFrame[i]; delete _pdrSvr[i];
}
// Remove Empty Frames
_pdrFrame[f] = _pdrFrame.back(); while ((1 + f) != _pdrFrame.size()) _pdrFrame.pop_back();
_pdrFrame.back()->removeSelfSubsumed(); delete _pdrSvr.back(); while ((1 + f) != _pdrSvr.size()) _pdrSvr.pop_back();
}
}
/* ---------------------------------------------------------------------------------------------------- *\
isIncKeepLastReachability(): If the last result is unsat, put the inductive invariant into the last frame.
isIncContinueOnLastSolver(): Reset the solver.
\* ---------------------------------------------------------------------------------------------------- */
void
V3VrfMPDR::startVerify(const uint32_t& p) {
vrfRestart:
// Check Shared Results
if (_sharedBound && V3NtkUD == _sharedBound->getBound(p)) return;
// Clear Verification Results
clearResult(p); if (profileON()) _totalStat->start();
// Consistency Check
consistencyCheck(); assert (!_constr.size());
if (!reportUnsupportedInitialState()) return;
// Initialize Backup Frames
for (uint32_t i = 0; i < _pdrBackup.size(); ++i) delete _pdrBackup[i]; _pdrBackup.clear();
if (_pdrFrame.size()) {
if (isIncKeepLastReachability()) {
// Backup frames in the order: ..., 2, 1, INF
assert (_pdrFrame.size() > 1); _pdrBackup.reserve(_pdrFrame.size() - 1);
for (uint32_t i = _pdrFrame.size() - 2; i > 0; --i) _pdrBackup.push_back(_pdrFrame[i]);
_pdrBackup.push_back(_pdrFrame.back()); delete _pdrFrame[0];
}
else { for (uint32_t i = 0; i < _pdrFrame.size(); ++i) delete _pdrFrame[i]; } _pdrFrame.clear();
}
// Initialize Other Members
if (!isIncKeepLastReachability()) _pdrPriority.clear(); _pdrActCount = 0;
if (_pdrBad) delete _pdrBad; _pdrBad = 0; if (_pdrGen) delete _pdrGen; _pdrGen = 0;
if (dynamic_cast<V3BvNtk*>(_vrfNtk)) {
_pdrGen = new V3AlgBvGeneralize(_handler); assert (_pdrGen);
_pdrSim = dynamic_cast<V3AlgBvSimulate*>(_pdrGen); assert (_pdrSim);
}
else {
_pdrGen = new V3AlgAigGeneralize(_handler); assert (_pdrGen);
_pdrSim = dynamic_cast<V3AlgAigSimulate*>(_pdrGen); assert (_pdrSim);
}
V3NetVec simTargets(1, _vrfNtk->getOutput(p)); _pdrSim->reset(simTargets);
// Initialize Pattern Input Size
assert (p < _result.size()); assert (p < _vrfNtk->getOutputSize());
const V3NetId& pId = _vrfNtk->getOutput(p); assert (V3NetUD != pId);
_pdrSize = _vrfNtk->getInputSize() + _vrfNtk->getInoutSize();
// Initialize Parameters
const string flushSpace = string(100, ' ');
uint32_t proved = V3NtkUD, fired = V3NtkUD;
struct timeval inittime, curtime; gettimeofday(&inittime, NULL);
// Initialize Signal Priority List
if (_pdrPriority.size() != _vrfNtk->getLatchSize()) _pdrPriority.resize(_vrfNtk->getLatchSize(), 0);
// Initialize Solver
if (_pdrSvr && !isIncContinueOnLastSolver()) { delete _pdrSvr; _pdrSvr = 0; } initializeSolver();
// Initialize Bad Cube
_pdrBad = new V3MPDRCube(0); assert (_pdrBad); _pdrBad->setState(V3NetVec(1, pId));
// Initialize Frame 0
if (_vrfNtk->getLatchSize()) _pdrFrame.push_back(new V3MPDRFrame(_pdrSvr->setImplyInit())); // R0 = I0
else _pdrFrame.push_back(new V3MPDRFrame(_pdrSvr->reserveFormula()));
assert (_pdrFrame.back()->getActivator()); assert (_pdrFrame.size() == 1);
// Initialize Frame INF
if (_pdrBackup.size()) { _pdrFrame.push_back(_pdrBackup.back()); _pdrBackup.pop_back(); addFrameInfoToSolver(1); }
else _pdrFrame.push_back(new V3MPDRFrame(_pdrSvr->reserveFormula()));
assert (_pdrFrame.back()->getActivator()); assert (_pdrFrame.size() == 2);
// Check Shared Invariants
if (_sharedInv) {
V3NetTable sharedInv; _sharedInv->getInv(sharedInv);
for (uint32_t i = 0; i < sharedInv.size(); ++i) {
V3MPDRCube* const inv = new V3MPDRCube(0); assert (inv);
inv->setState(sharedInv[i]); addBlockedCube(make_pair(getPDRFrame(), inv));
}
}
// Continue on the Last Depth
while (_pdrBackup.size() && (getIncLastDepthToKeepGoing() > getPDRFrame())) {
_pdrFrame.push_back(_pdrFrame.back()); // Keep frame INF the last frame
_pdrFrame[_pdrFrame.size() - 2] = _pdrBackup.back(); _pdrBackup.pop_back();
addFrameInfoToSolver(_pdrFrame.size() - 2);
}
// Start PDR Based Verification
V3MPDRCube* badCube = 0;
while (true) {
// Check Time Bounds
gettimeofday(&curtime, NULL);
if (_maxTime < getTimeUsed(inittime, curtime)) break;
// Check Shared Results
if (_sharedBound && (V3NtkUD == _sharedBound->getBound(p))) break;
// Check Shared Networks
if (_sharedNtk) {
V3NtkHandler* const sharedNtk = _sharedNtk->getNtk(_handler);
if (sharedNtk) {
setIncKeepLastReachability(true); setIncContinueOnLastSolver(false); setIncLastDepthToKeepGoing(getPDRDepth());
_handler = sharedNtk; _vrfNtk = sharedNtk->getNtk(); goto vrfRestart;
}
}
// Find a Bad Cube as Initial Proof Obligation
badCube = getInitialObligation(); // SAT(R ^ T ^ !p)
if (!badCube) {
if (!isIncKeepSilent() && intactON()) {
if (!endLineON()) Msg(MSG_IFO) << "\r" + flushSpace + "\r";
Msg(MSG_IFO) << setw(3) << left << getPDRDepth() << " :";
const uint32_t j = (_pdrFrame.size() > 25) ? _pdrFrame.size() - 25 : 0; if (j) Msg(MSG_IFO) << " ...";
for (uint32_t i = j; i < _pdrFrame.size(); ++i)
Msg(MSG_IFO) << " " << _pdrFrame[i]->getCubeList().size();
if (svrInfoON()) { Msg(MSG_IFO) << " ("; _pdrSvr->printInfo(); Msg(MSG_IFO) << ")"; }
Msg(MSG_IFO) << endl; // Always Endline At the End of Each Frame
}
if (_sharedBound) _sharedBound->updateBound(p, getPDRFrame());
// Push New Frame
_pdrFrame.push_back(_pdrFrame.back()); // Renders F Infinity to be the last in _pdrFrame
if (_pdrBackup.size()) {
_pdrFrame[_pdrFrame.size() - 2] = _pdrBackup.back(); _pdrBackup.pop_back();
addFrameInfoToSolver(_pdrFrame.size() - 2);
}
else _pdrFrame[_pdrFrame.size() - 2] = new V3MPDRFrame(_pdrSvr->reserveFormula()); // New Frame
if (propagateCubes()) { proved = getPDRDepth(); break; }
if (_maxDepth <= (getPDRFrame() - 1)) break;
}
else {
badCube = recursiveBlockCube(badCube);
if (badCube) { fired = getPDRDepth(); break; }
// Interactively Show the Number of Bad Cubes in Frames
if (!isIncKeepSilent() && intactON()) {
if (!endLineON()) Msg(MSG_IFO) << "\r" + flushSpace + "\r";
Msg(MSG_IFO) << setw(3) << left << getPDRDepth() << " :";
const uint32_t j = (_pdrFrame.size() > 25) ? _pdrFrame.size() - 25 : 0; if (j) Msg(MSG_IFO) << " ...";
for (uint32_t i = j; i < _pdrFrame.size(); ++i)
Msg(MSG_IFO) << " " << _pdrFrame[i]->getCubeList().size();
if (svrInfoON()) { Msg(MSG_IFO) << " ("; _pdrSvr->printInfo(); Msg(MSG_IFO) << ")"; }
if (endLineON()) Msg(MSG_IFO) << endl; else Msg(MSG_IFO) << flush;
}
}
}
// Report Verification Result
if (!isIncKeepSilent() && reportON()) {
if (intactON()) {
if (endLineON()) Msg(MSG_IFO) << endl;
else Msg(MSG_IFO) << "\r" << flushSpace << "\r";
}
if (V3NtkUD != proved) Msg(MSG_IFO) << "Inductive Invariant found at depth = " << ++proved;
else if (V3NtkUD != fired) Msg(MSG_IFO) << "Counter-example found at depth = " << ++fired;
else Msg(MSG_IFO) << "UNDECIDED at depth = " << _maxDepth;
if (usageON()) {
gettimeofday(&curtime, NULL);
Msg(MSG_IFO) << " (time = " << setprecision(5) << getTimeUsed(inittime, curtime) << " sec)" << endl;
}
if (profileON()) {
_totalStat->end();
Msg(MSG_IFO) << *_initSvrStat << endl;
Msg(MSG_IFO) << *_solveStat << endl;
Msg(MSG_IFO) << *_generalStat << endl;
Msg(MSG_IFO) << *_propagateStat << endl;
Msg(MSG_IFO) << *_ternaryStat << endl;
Msg(MSG_IFO) << *_totalStat << endl;
}
}
// Record CounterExample Trace or Invariant
if (V3NtkUD != fired) { // Record Counter-Example
// Compute PatternCount
const V3MPDRCube* traceCube = badCube; assert (traceCube); assert (existInitial(traceCube->getState()));
uint32_t patternCount = 0; while (_pdrBad != traceCube) { traceCube = traceCube->getNextCube(); ++patternCount; }
V3CexTrace* const cex = new V3CexTrace(patternCount); assert (cex);
_result[p].setCexTrace(cex); assert (_result[p].isCex());
// Set Pattern Value
traceCube = badCube; assert (traceCube); assert (existInitial(traceCube->getState()));
while (_pdrBad != traceCube) {
if (_pdrSize) cex->pushData(traceCube->getInputData());
traceCube = traceCube->getNextCube(); assert (traceCube);
}
// Set Initial State Value
if (_pdrInitValue.size()) {
V3BitVecX initValue(_pdrInitValue.size());
for (uint32_t i = 0; i < badCube->getState().size(); ++i) {
assert (initValue.size() > badCube->getState()[i].id);
if (badCube->getState()[i].cp) initValue.set0(badCube->getState()[i].id);
else initValue.set1(badCube->getState()[i].id);
}
for (uint32_t i = 0; i < _pdrInitValue.size(); ++i)
if (_pdrInitConst[i]) { if (_pdrInitValue[i]) initValue.set0(i); else initValue.set1(i); }
cex->setInit(initValue);
}
// Delete Cubes on the Trace
const V3MPDRCube* lastCube; traceCube = badCube;
while (_pdrBad != traceCube) { lastCube = traceCube->getNextCube(); delete traceCube; traceCube = lastCube; }
// Check Common Results
if (isIncVerifyUsingCurResult()) checkCommonCounterexample(p, *cex);
}
else if (V3NtkUD != proved) { // Record Inductive Invariant
_result[p].setIndInv(_vrfNtk); assert (_result[p].isInv());
// Put the Inductive Invariant to Frame INF
uint32_t f = 1; for (; f < getPDRDepth(); ++f) if (!_pdrFrame[f]->getCubeList().size()) break;
assert (f < getPDRDepth());
for (uint32_t i = 1 + f; i < getPDRFrame(); ++i) {
const V3MPDRCubeList& cubeList = _pdrFrame[i]->getCubeList(); V3MPDRCubeList::const_iterator it;
for (it = cubeList.begin(); it != cubeList.end(); ++it) addBlockedCube(make_pair(getPDRFrame(), *it));
_pdrFrame[i]->clearCubeList(); delete _pdrFrame[i];
}
// Remove Empty Frames
_pdrFrame.back()->removeSelfSubsumed();
_pdrFrame[f] = _pdrFrame.back(); while ((1 + f) != _pdrFrame.size()) _pdrFrame.pop_back();
// Check Common Results
if (isIncVerifyUsingCurResult()) {
const V3MPDRCubeList& invCubeList = _pdrFrame.back()->getCubeList();
V3NetTable invList; invList.clear(); invList.reserve(invCubeList.size());
for (V3MPDRCubeList::const_iterator it = invCubeList.begin(); it != invCubeList.end(); ++it)
invList.push_back((*it)->getState()); checkCommonProof(p, invList, false);
}
}
}
// 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);
}
}
}
