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still working on interpolation of full z3 proofs

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This commit is contained in:
Ken McMillan 2013-09-15 13:33:20 -07:00
parent 07bb534d65
commit 2c9c5ba1f0
8 changed files with 547 additions and 135 deletions
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29
src/interp/iz3mgr.h
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@ -460,6 +460,17 @@ class iz3mgr {
return make(Or,x,y);
}
ast mk_implies(ast x, ast y){
opr ox = op(x);
opr oy = op(y);
if(ox == True) return y;
if(oy == False) return mk_not(x);
if(ox == False) return mk_true();
if(oy == True) return y;
if(x == y) return mk_true();
return make(Implies,x,y);
}
ast mk_or(const std::vector<ast> &x){
ast res = mk_false();
for(unsigned i = 0; i < x.size(); i++)
@ -468,10 +479,20 @@ class iz3mgr {
}
ast mk_and(const std::vector<ast> &x){
ast res = mk_true();
for(unsigned i = 0; i < x.size(); i++)
res = mk_and(res,x[i]);
return res;
std::vector<ast> conjs;
for(unsigned i = 0; i < x.size(); i++){
const ast &e = x[i];
opr o = op(e);
if(o == False)
return mk_false();
if(o != True)
conjs.push_back(e);
}
if(conjs.size() == 0)
return mk_true();
if(conjs.size() == 1)
return conjs[0];
return make(And,conjs);
}
ast mk_equal(ast x, ast y){