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add EUF plugin framework.

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plugin setting allows adding equality saturation within the E-graph propagation without involving externalizing theory solver dispatch. It makes equality saturation independent of SAT integration.
Add a special relation operator to support ad-hoc AC symbols.
This commit is contained in:
Nikolaj Bjorner 2023-11-30 13:58:24 -08:00
parent 5784c2da79
commit b52fd8d954
28 changed files with 3063 additions and 68 deletions
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4
src/sat/smt/euf_solver.cpp
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@ -28,6 +28,7 @@ Author:
#include "sat/smt/fpa_solver.h"
#include "sat/smt/dt_solver.h"
#include "sat/smt/recfun_solver.h"
#include "sat/smt/specrel_solver.h"
namespace euf {
@ -130,6 +131,7 @@ namespace euf {
arith_util arith(m);
datatype_util dt(m);
recfun::util rf(m);
special_relations_util sp(m);
if (pb.get_family_id() == fid)
ext = alloc(pb::solver, *this, fid);
else if (bvu.get_family_id() == fid)
@ -144,6 +146,8 @@ namespace euf {
ext = alloc(dt::solver, *this, fid);
else if (rf.get_family_id() == fid)
ext = alloc(recfun::solver, *this);
else if (sp.get_family_id() == fid)
ext = alloc(specrel::solver, *this, fid);
if (ext)
add_solver(ext);