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added quantifiers in new interpolation

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This commit is contained in:
Ken McMillan 2013-10-25 18:40:26 -07:00
parent 79b0f83ab3
commit 81df4932fb
7 changed files with 133 additions and 81 deletions
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19
src/interp/iz3mgr.h
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@ -612,6 +612,20 @@ class iz3mgr {
z3pf conc(const z3pf &t){return arg(t,num_prems(t));}
/* quantifier handling */
// substitute a term t for unbound occurrences of variable v in e
ast subst(ast var, ast t, ast e);
// apply a quantifier to a formula, with some optimizations
// 1) bound variable does not occur -> no quantifier
// 2) bound variable must be equal to some term -> substitute
ast apply_quant(opr quantifier, ast var, ast e);
/** For debugging */
void show(ast);
@ -662,6 +676,11 @@ class iz3mgr {
ast mki(family_id fid, decl_kind sk, int n, raw_ast **args);
ast make(opr op, int n, raw_ast **args);
ast make(symb sym, int n, raw_ast **args);
int occurs_in1(stl_ext::hash_map<ast,bool> &occurs_in_memo, ast var, ast e);
int occurs_in(ast var, ast e);
ast cont_eq(stl_ext::hash_set<ast> &cont_eq_memo, bool truth, ast v, ast e);
ast subst(stl_ext::hash_map<ast,ast> &subst_memo, ast var, ast t, ast e);
family_id m_basic_fid;
family_id m_array_fid;