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add option to validate result of PDR. Add PDR tactic. Add fixedpoint parsing

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2012-11-17 20:47:49 +01:00
parent 68ae5d434c
commit 50385e7e29
32 changed files with 836 additions and 393 deletions
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10
src/muz_qe/dl_mk_rule_inliner.h
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@ -38,11 +38,12 @@ namespace datalog {
substitution m_subst;
unifier m_unif;
bool m_ready;
bool m_normalize;
unsigned m_deltas[2];
public:
rule_unifier(context& ctx)
: m(ctx.get_manager()), m_rm(ctx.get_rule_manager()), m_context(ctx),
m_interp_simplifier(ctx), m_subst(m), m_unif(m), m_ready(false) {}
m_interp_simplifier(ctx), m_subst(m), m_unif(m), m_ready(false), m_normalize(true) {}
/** Reset subtitution and unify tail tgt_idx of the target rule and the head of the src rule */
bool unify_rules(rule const& tgt, unsigned tgt_idx, rule const& src);
@ -60,6 +61,13 @@ namespace datalog {
*/
expr_ref_vector get_rule_subst(rule const& r, bool is_tgt);
/**
Control if bound variables are normalized after unification.
The default is 'true': bound variables are re-mapped to an
initial segment of de-Bruijn indices.
*/
void set_normalize(bool n) { m_normalize = n; }
private:
void apply(app * a, bool is_tgt, app_ref& res);