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added restarts options to duality (plus some other disabled features)

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This commit is contained in:
Ken McMillan 2014-09-30 12:42:30 -07:00
parent 4763532501
commit 301cb51bbb
5 changed files with 446 additions and 20 deletions
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67
src/duality/duality_rpfp.cpp
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@ -2816,6 +2816,62 @@ namespace Duality {
}
}
void foobar(){
}
void RPFP::GreedyReduceNodes(std::vector<Node *> &nodes){
std::vector<expr> lits;
for(unsigned i = 0; i < nodes.size(); i++){
Term b; std::vector<Term> v;
RedVars(nodes[i], b, v);
lits.push_back(!b);
expr bv = dualModel.eval(b);
if(eq(bv,ctx.bool_val(true))){
check_result res = slvr_check(lits.size(),&lits[0]);
if(res == unsat)
lits.pop_back();
else
foobar();
}
}
}
check_result RPFP::CheckWithConstrainedNodes(std::vector<Node *> &posnodes,std::vector<Node *> &negnodes){
timer_start("Check");
std::vector<expr> lits;
for(unsigned i = 0; i < posnodes.size(); i++){
Term b; std::vector<Term> v;
RedVars(posnodes[i], b, v);
lits.push_back(b);
}
for(unsigned i = 0; i < negnodes.size(); i++){
Term b; std::vector<Term> v;
RedVars(negnodes[i], b, v);
lits.push_back(!b);
}
check_result res = slvr_check(lits.size(),&lits[0]);
if(res == unsat && posnodes.size()){
lits.resize(posnodes.size());
res = slvr_check(lits.size(),&lits[0]);
}
dualModel = slvr().get_model();
#if 0
if(!dualModel.null()){
std::cout << "posnodes called:\n";
for(unsigned i = 0; i < posnodes.size(); i++)
if(!Empty(posnodes[i]))
std::cout << posnodes[i]->Name.name() << "\n";
std::cout << "negnodes called:\n";
for(unsigned i = 0; i < negnodes.size(); i++)
if(!Empty(negnodes[i]))
std::cout << negnodes[i]->Name.name() << "\n";
}
#endif
timer_stop("Check");
return res;
}
void RPFP_caching::FilterCore(std::vector<expr> &core, std::vector<expr> &full_core){
hash_set<ast> core_set;
std::copy(full_core.begin(),full_core.end(),std::inserter(core_set,core_set.begin()));
@ -3333,6 +3389,17 @@ namespace Duality {
return ctx.function(name.c_str(), arity, &domain[0], f.range());
}
Z3User::FuncDecl Z3User::NumberPred(const FuncDecl &f, int n)
{
std::string name = f.name().str();
name = name + "_" + string_of_int(n);
int arity = f.arity();
std::vector<sort> domain;
for(int i = 0; i < arity; i++)
domain.push_back(f.domain(i));
return ctx.function(name.c_str(), arity, &domain[0], f.range());
}
// Scan the clause body for occurrences of the predicate unknowns
RPFP::Term RPFP::ScanBody(hash_map<ast,Term> &memo,