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slicing with fixed bits (wip)

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This commit is contained in:
Jakob Rath 2023-08-08 16:04:21 +02:00
parent f22ed9002f
commit 46a794ff67
5 changed files with 246 additions and 18 deletions
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7
src/math/polysat/slicing.h
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@ -28,6 +28,7 @@ Notation:
#include "ast/bv_decl_plugin.h"
#include "math/polysat/types.h"
#include "math/polysat/constraint.h"
#include "math/polysat/fixed_bits.h"
#include <variant>
namespace polysat {
@ -269,8 +270,11 @@ namespace polysat {
pvar mk_concat(unsigned num_args, pvar const* args, pvar replay_var);
void replay_concat(unsigned num_args, pvar const* args, pvar r);
bool add_constraint_eq(pdd const& p, sat::literal lit);
bool add_equation(pvar x, pdd const& body, sat::literal lit);
bool add_value(pvar v, rational const& value, sat::literal lit);
bool add_fixed_bits(signed_constraint c);
bool add_fixed_bits(pvar x, unsigned hi, unsigned lo, rational const& value, sat::literal lit);
bool invariant() const;
bool invariant_needs_congruence() const;
@ -335,7 +339,8 @@ namespace polysat {
void collect_simple_overlaps(pvar v, pvar_vector& out);
/** Collect fixed portions of the variable v */
void collect_fixed(pvar v, rational& mask, rational& value);
void collect_fixed(pvar v, fixed_bits_vector& out, euf::enode_pair_vector& out_just);
void explain_fixed(euf::enode_pair const& just, std::function<void(sat::literal)> const& on_lit, std::function<void(pvar)> const& on_var);
std::ostream& display(std::ostream& out) const;
std::ostream& display_tree(std::ostream& out) const;