mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-10-31 11:42:28 +00:00
Code Activity

investigating relevancy

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-11-05 17:16:30 +01:00
parent a78f899225
commit 23029daf5e
12 changed files with 394 additions and 417 deletions
Download patch file Download diff file Expand all files Collapse all files

11
src/smt/asserted_formulas.cpp
View file

@ -25,6 +25,7 @@ Revision History:
#include "ast/normal_forms/nnf.h"
#include "ast/pattern/pattern_inference.h"
#include "ast/macros/quasi_macros.h"
#include "ast/occurs.h"
#include "smt/asserted_formulas.h"
asserted_formulas::asserted_formulas(ast_manager & m, smt_params & sp, params_ref const& p):
@ -133,7 +134,7 @@ void asserted_formulas::set_eliminate_and(bool flag) {
m_params.set_bool("eq2ineq", m_smt_params.m_arith_eq2ineq);
m_params.set_bool("gcd_rounding", true);
m_params.set_bool("expand_select_store", true);
m_params.set_bool("expand_nested_stores", true);
//m_params.set_bool("expand_nested_stores", true);
m_params.set_bool("bv_sort_ac", true);
m_params.set_bool("som", true);
m_rewriter.updt_params(m_params);
@ -555,6 +556,14 @@ bool asserted_formulas::is_gt(expr* lhs, expr* rhs) {
return false;
}
SASSERT(is_ground(lhs) && is_ground(rhs));
#if 0
if (is_uninterp_const(lhs) && is_app(rhs) && to_app(rhs)->get_num_args() > 0 && !occurs(lhs, rhs)) {
return true;
}
if (is_uninterp_const(rhs) && is_app(lhs) && to_app(lhs)->get_num_args() > 0 && !occurs(rhs, lhs)) {
return false;
}
#endif
if (depth(lhs) > depth(rhs)) {
return true;
}

116
src/smt/dyn_ack.cpp
View file

@ -105,7 +105,7 @@ namespace smt {
dyn_ack_manager::dyn_ack_manager(context & ctx, dyn_ack_params & p):
m_context(ctx),
m_manager(ctx.get_manager()),
m(ctx.get_manager()),
m_params(p) {
}
@ -115,12 +115,9 @@ namespace smt {
}
void dyn_ack_manager::reset_app_pairs() {
svector<app_pair>::iterator it = m_app_pairs.begin();
svector<app_pair>::iterator end = m_app_pairs.end();
for (; it != end; ++it) {
app_pair & p = *it;
m_manager.dec_ref(p.first);
m_manager.dec_ref(p.second);
for (app_pair& p : m_app_pairs) {
m.dec_ref(p.first);
m.dec_ref(p.second);
}
m_app_pairs.reset();
}
@ -144,22 +141,24 @@ namespace smt {
SASSERT(n1->get_decl() == n2->get_decl());
SASSERT(n1->get_num_args() == n2->get_num_args());
SASSERT(n1 != n2);
if (m_manager.is_eq(n1))
if (m.is_eq(n1)) {
return;
}
if (n1->get_id() > n2->get_id())
std::swap(n1,n2);
app_pair p(n1, n2);
if (m_instantiated.contains(p))
if (m_instantiated.contains(p)) {
return;
}
unsigned num_occs = 0;
if (m_app_pair2num_occs.find(n1, n2, num_occs)) {
TRACE("dyn_ack", tout << "used_cg_eh:\n" << mk_pp(n1, m_manager) << "\n" << mk_pp(n2, m_manager) << "\nnum_occs: " << num_occs << "\n";);
TRACE("dyn_ack", tout << "used_cg_eh:\n" << mk_pp(n1, m) << "\n" << mk_pp(n2, m) << "\nnum_occs: " << num_occs << "\n";);
num_occs++;
}
else {
num_occs = 1;
m_manager.inc_ref(n1);
m_manager.inc_ref(n2);
m.inc_ref(n1);
m.inc_ref(n2);
m_app_pairs.push_back(p);
}
SASSERT(num_occs > 0);
@ -169,34 +168,35 @@ namespace smt {
SASSERT(m_app_pair2num_occs.find(n1, n2, num_occs2) && num_occs == num_occs2);
#endif
if (num_occs == m_params.m_dack_threshold) {
TRACE("dyn_ack", tout << "found candidate:\n" << mk_pp(n1, m_manager) << "\n" << mk_pp(n2, m_manager) << "\nnum_occs: " << num_occs << "\n";);
TRACE("dyn_ack", tout << "found candidate:\n" << mk_pp(n1, m) << "\n" << mk_pp(n2, m) << "\nnum_occs: " << num_occs << "\n";);
m_to_instantiate.push_back(p);
}
}
void dyn_ack_manager::eq_eh(app * n1, app * n2, app* r) {
if (n1 == n2 || r == n1 || r == n2 || m_manager.is_bool(n1)) {
if (n1 == n2 || r == n1 || r == n2 || m.is_bool(n1)) {
return;
}
if (n1->get_id() > n2->get_id())
std::swap(n1,n2);
TRACE("dyn_ack",
tout << mk_pp(n1, m_manager) << " = " << mk_pp(n2, m_manager)
<< " = " << mk_pp(r, m_manager) << "\n";);
tout << mk_pp(n1, m) << " = " << mk_pp(n2, m)
<< " = " << mk_pp(r, m) << "\n";);
app_triple tr(n1, n2, r);
if (m_triple.m_instantiated.contains(tr))
if (m_triple.m_instantiated.contains(tr)) {
return;
}
unsigned num_occs = 0;
if (m_triple.m_app2num_occs.find(n1, n2, r, num_occs)) {
TRACE("dyn_ack", tout << mk_pp(n1, m_manager) << "\n" << mk_pp(n2, m_manager)
<< mk_pp(r, m_manager) << "\n" << "\nnum_occs: " << num_occs << "\n";);
TRACE("dyn_ack", tout << mk_pp(n1, m) << "\n" << mk_pp(n2, m)
<< mk_pp(r, m) << "\n" << "\nnum_occs: " << num_occs << "\n";);
num_occs++;
}
else {
num_occs = 1;
m_manager.inc_ref(n1);
m_manager.inc_ref(n2);
m_manager.inc_ref(r);
m.inc_ref(n1);
m.inc_ref(n2);
m.inc_ref(r);
m_triple.m_apps.push_back(tr);
}
SASSERT(num_occs > 0);
@ -206,8 +206,8 @@ namespace smt {
SASSERT(m_triple.m_app2num_occs.find(n1, n2, r, num_occs2) && num_occs == num_occs2);
#endif
if (num_occs == m_params.m_dack_threshold) {
TRACE("dyn_ack", tout << "found candidate:\n" << mk_pp(n1, m_manager) << "\n" << mk_pp(n2, m_manager)
<< "\n" << mk_pp(r, m_manager)
TRACE("dyn_ack", tout << "found candidate:\n" << mk_pp(n1, m) << "\n" << mk_pp(n2, m)
<< "\n" << mk_pp(r, m)
<< "\nnum_occs: " << num_occs << "\n";);
m_triple.m_to_instantiate.push_back(tr);
}
@ -245,9 +245,9 @@ namespace smt {
for (; it != end; ++it) {
app_pair & p = *it;
if (m_instantiated.contains(p)) {
TRACE("dyn_ack", tout << "1) erasing:\n" << mk_pp(p.first, m_manager) << "\n" << mk_pp(p.second, m_manager) << "\n";);
m_manager.dec_ref(p.first);
m_manager.dec_ref(p.second);
TRACE("dyn_ack", tout << "1) erasing:\n" << mk_pp(p.first, m) << "\n" << mk_pp(p.second, m) << "\n";);
m.dec_ref(p.first);
m.dec_ref(p.second);
SASSERT(!m_app_pair2num_occs.contains(p.first, p.second));
continue;
}
@ -261,10 +261,10 @@ namespace smt {
num_occs = static_cast<unsigned>(num_occs * m_params.m_dack_gc_inv_decay);
if (num_occs <= 1) {
num_deleted++;
TRACE("dyn_ack", tout << "2) erasing:\n" << mk_pp(p.first, m_manager) << "\n" << mk_pp(p.second, m_manager) << "\n";);
TRACE("dyn_ack", tout << "2) erasing:\n" << mk_pp(p.first, m) << "\n" << mk_pp(p.second, m) << "\n";);
m_app_pair2num_occs.erase(p.first, p.second);
m_manager.dec_ref(p.first);
m_manager.dec_ref(p.second);
m.dec_ref(p.first);
m.dec_ref(p.second);
continue;
}
*it2 = p;
@ -283,20 +283,19 @@ namespace smt {
}
class dyn_ack_clause_del_eh : public clause_del_eh {
dyn_ack_manager & m_manager;
dyn_ack_manager & m;
public:
dyn_ack_clause_del_eh(dyn_ack_manager & m):
m_manager(m) {
m(m) {
}
~dyn_ack_clause_del_eh() override {}
void operator()(ast_manager & m, clause * cls) override {
m_manager.del_clause_eh(cls);
void operator()(ast_manager & _m, clause * cls) override {
m.del_clause_eh(cls);
dealloc(this);
}
};
void dyn_ack_manager::del_clause_eh(clause * cls) {
TRACE("dyn_ack", tout << "del_clause_eh: "; m_context.display_clause(tout, cls); tout << "\n";);
m_context.m_stats.m_num_del_dyn_ack++;
app_pair p((app*)nullptr,(app*)nullptr);
@ -342,7 +341,7 @@ namespace smt {
app * eq = m_context.mk_eq_atom(n1, n2);
m_context.internalize(eq, true);
literal l = m_context.get_literal(eq);
TRACE("dyn_ack", tout << "eq:\n" << mk_pp(eq, m_manager) << "\nliteral: ";
TRACE("dyn_ack", tout << "eq:\n" << mk_pp(eq, m) << "\nliteral: ";
m_context.display_literal(tout, l); tout << "\n";);
return l;
}
@ -354,7 +353,7 @@ namespace smt {
SASSERT(n1 != n2);
m_context.m_stats.m_num_dyn_ack++;
TRACE("dyn_ack_inst", tout << "dyn_ack: " << n1->get_id() << " " << n2->get_id() << "\n";);
TRACE("dyn_ack", tout << "expanding Ackermann's rule for:\n" << mk_pp(n1, m_manager) << "\n" << mk_pp(n2, m_manager) << "\n";);
TRACE("dyn_ack", tout << "expanding Ackermann's rule for:\n" << mk_pp(n1, m) << "\n" << mk_pp(n2, m) << "\n";);
unsigned num_args = n1->get_num_args();
literal_buffer lits;
for (unsigned i = 0; i < num_args; i++) {
@ -372,7 +371,7 @@ namespace smt {
clause_del_eh * del_eh = alloc(dyn_ack_clause_del_eh, *this);
justification * js = nullptr;
if (m_manager.proofs_enabled())
if (m.proofs_enabled())
js = alloc(dyn_ack_justification, n1, n2);
clause * cls = m_context.mk_clause(lits.size(), lits.c_ptr(), js, CLS_TH_LEMMA, del_eh);
if (!cls) {
@ -392,13 +391,10 @@ namespace smt {
}
void dyn_ack_manager::reset_app_triples() {
svector<app_triple>::iterator it = m_triple.m_apps.begin();
svector<app_triple>::iterator end = m_triple.m_apps.end();
for (; it != end; ++it) {
app_triple & p = *it;
m_manager.dec_ref(p.first);
m_manager.dec_ref(p.second);
m_manager.dec_ref(p.third);
for (app_triple& p : m_triple.m_apps) {
m.dec_ref(p.first);
m.dec_ref(p.second);
m.dec_ref(p.third);
}
m_triple.m_apps.reset();
}
@ -408,9 +404,9 @@ namespace smt {
SASSERT(n1 != n2 && n1 != r && n2 != r);
m_context.m_stats.m_num_dyn_ack++;
TRACE("dyn_ack_inst", tout << "dyn_ack: " << n1->get_id() << " " << n2->get_id() << " " << r->get_id() << "\n";);
TRACE("dyn_ack", tout << "expanding Ackermann's rule for:\n" << mk_pp(n1, m_manager) << "\n"
<< mk_pp(n2, m_manager) << "\n"
<< mk_pp(r, m_manager) << "\n";
TRACE("dyn_ack", tout << "expanding Ackermann's rule for:\n" << mk_pp(n1, m) << "\n"
<< mk_pp(n2, m) << "\n"
<< mk_pp(r, m) << "\n";
);
app_triple tr(n1, n2, r);
SASSERT(m_triple.m_app2num_occs.contains(n1, n2, r));
@ -424,7 +420,7 @@ namespace smt {
clause_del_eh * del_eh = alloc(dyn_ack_clause_del_eh, *this);
justification * js = nullptr;
if (m_manager.proofs_enabled())
if (m.proofs_enabled())
js = alloc(dyn_ack_justification, n1, n2);
clause * cls = m_context.mk_clause(lits.size(), lits.c_ptr(), js, CLS_TH_LEMMA, del_eh);
if (!cls) {
@ -467,10 +463,10 @@ namespace smt {
for (; it != end; ++it) {
app_triple & p = *it;
if (m_triple.m_instantiated.contains(p)) {
TRACE("dyn_ack", tout << "1) erasing:\n" << mk_pp(p.first, m_manager) << "\n" << mk_pp(p.second, m_manager) << "\n";);
m_manager.dec_ref(p.first);
m_manager.dec_ref(p.second);
m_manager.dec_ref(p.third);
TRACE("dyn_ack", tout << "1) erasing:\n" << mk_pp(p.first, m) << "\n" << mk_pp(p.second, m) << "\n";);
m.dec_ref(p.first);
m.dec_ref(p.second);
m.dec_ref(p.third);
SASSERT(!m_triple.m_app2num_occs.contains(p.first, p.second, p.third));
continue;
}
@ -484,11 +480,11 @@ namespace smt {
num_occs = static_cast<unsigned>(num_occs * m_params.m_dack_gc_inv_decay);
if (num_occs <= 1) {
num_deleted++;
TRACE("dyn_ack", tout << "2) erasing:\n" << mk_pp(p.first, m_manager) << "\n" << mk_pp(p.second, m_manager) << "\n";);
TRACE("dyn_ack", tout << "2) erasing:\n" << mk_pp(p.first, m) << "\n" << mk_pp(p.second, m) << "\n";);
m_triple.m_app2num_occs.erase(p.first, p.second, p.third);
m_manager.dec_ref(p.first);
m_manager.dec_ref(p.second);
m_manager.dec_ref(p.third);
m.dec_ref(p.first);
m.dec_ref(p.second);
m.dec_ref(p.third);
continue;
}
*it2 = p;
@ -509,10 +505,8 @@ namespace smt {
#ifdef Z3DEBUG
bool dyn_ack_manager::check_invariant() const {
clause2app_pair::iterator it = m_clause2app_pair.begin();
clause2app_pair::iterator end = m_clause2app_pair.end();
for (; it != end; ++it) {
app_pair const & p = it->get_value();
for (auto const& kv : m_clause2app_pair) {
app_pair const & p = kv.get_value();
SASSERT(m_instantiated.contains(p));
SASSERT(!m_app_pair2num_occs.contains(p.first, p.second));
}

2
src/smt/dyn_ack.h
View file

@ -44,7 +44,7 @@ namespace smt {
typedef obj_map<clause, app_triple> clause2app_triple;
context & m_context;
ast_manager & m_manager;
ast_manager & m;
dyn_ack_params & m_params;
app_pair2num_occs m_app_pair2num_occs;
app_pair_vector m_app_pairs;

2
src/smt/smt_clause.cpp
View file

@ -123,7 +123,7 @@ namespace smt {
if (lit.sign()) args[args.size()-1] = m.mk_not(args.back());
}
expr_ref disj(m.mk_or(args.size(), args.c_ptr()), m);
return out << disj;
return out << mk_bounded_pp(disj, m, 3);
}
};

5
src/smt/smt_conflict_resolution.cpp
View file

@ -16,10 +16,11 @@ Author:
Revision History:
--*/
#include "smt/smt_context.h"
#include "smt/smt_conflict_resolution.h"
#include "ast/ast_pp.h"
#include "ast/ast_ll_pp.h"
#include "smt/smt_context.h"
#include "smt/smt_conflict_resolution.h"
namespace smt {

21
src/smt/smt_consequences.cpp
View file

@ -27,12 +27,12 @@ Revision History:
namespace smt {
expr_ref context::antecedent2fml(index_set const& vars) {
expr_ref_vector premises(m_manager);
expr_ref_vector premises(m);
index_set::iterator it = vars.begin(), end = vars.end();
for (; it != end; ++it) {
expr* e = bool_var2expr(*it);
e = m_assumption2orig.find(e);
premises.push_back(get_assignment(*it) != l_false ? e : m_manager.mk_not(e));
premises.push_back(get_assignment(*it) != l_false ? e : m.mk_not(e));
}
return mk_and(premises);
}
@ -47,7 +47,6 @@ namespace smt {
// - e is a data-type recognizer of a variable that is to be fixed.
//
void context::extract_fixed_consequences(literal lit, index_set const& assumptions, expr_ref_vector& conseq) {
ast_manager& m = m_manager;
datatype_util dt(m);
expr* e1, *e2;
expr_ref fml(m);
@ -103,7 +102,6 @@ namespace smt {
}
void context::justify(literal lit, index_set& s) {
ast_manager& m = m_manager;
(void)m;
b_justification js = get_justification(lit.var());
switch (js.get_kind()) {
@ -163,7 +161,6 @@ namespace smt {
//
unsigned context::delete_unfixed(expr_ref_vector& unfixed) {
ast_manager& m = m_manager;
ptr_vector<expr> to_delete;
obj_map<expr,expr*>::iterator it = m_var2val.begin(), end = m_var2val.end();
for (; it != end; ++it) {
@ -216,7 +213,6 @@ namespace smt {
//
unsigned context::extract_fixed_eqs(expr_ref_vector& conseq) {
TRACE("context", tout << "extract fixed consequences\n";);
ast_manager& m = m_manager;
ptr_vector<expr> to_delete;
expr_ref fml(m), eq(m);
obj_map<expr,expr*>::iterator it = m_var2val.begin(), end = m_var2val.end();
@ -253,7 +249,6 @@ namespace smt {
}
literal context::mk_diseq(expr* e, expr* val) {
ast_manager& m = m_manager;
if (m.is_bool(e) && b_internalized(e)) {
return literal(get_bool_var(e), m.is_true(val));
}
@ -276,7 +271,6 @@ namespace smt {
m_antecedents.reset();
m_antecedents.insert(true_literal.var(), index_set());
pop_to_base_lvl();
ast_manager& m = m_manager;
expr_ref_vector vars(m), assumptions(m);
m_var2val.reset();
m_var2orig.reset();
@ -459,7 +453,7 @@ namespace smt {
}
m_antecedents.insert(lit.var(), s);
if (_nasms.contains(lit.index())) {
expr_ref_vector core(m_manager);
expr_ref_vector core(m);
index_set::iterator it = s.begin(), end = s.end();
for (; it != end; ++it) {
core.push_back(var2expr[*it]);
@ -528,7 +522,7 @@ namespace smt {
unsigned num_restarts = 0;
while (true) {
if (m_manager.canceled()) {
if (m.canceled()) {
is_sat = l_undef;
break;
}
@ -581,10 +575,10 @@ namespace smt {
lbool context::find_mutexes(expr_ref_vector const& vars, vector<expr_ref_vector>& mutexes) {
unsigned_vector ps;
max_cliques<neg_literal> mc;
expr_ref lit(m_manager);
expr_ref lit(m);
for (unsigned i = 0; i < vars.size(); ++i) {
expr* n = vars[i];
bool neg = m_manager.is_not(n, n);
bool neg = m.is_not(n, n);
if (b_internalized(n)) {
ps.push_back(literal(get_bool_var(n), neg).index());
}
@ -602,7 +596,7 @@ namespace smt {
vector<unsigned_vector> _mutexes;
mc.cliques(ps, _mutexes);
for (unsigned i = 0; i < _mutexes.size(); ++i) {
expr_ref_vector lits(m_manager);
expr_ref_vector lits(m);
for (unsigned j = 0; j < _mutexes[i].size(); ++j) {
literal2expr(to_literal(_mutexes[i][j]), lit);
lits.push_back(lit);
@ -618,7 +612,6 @@ namespace smt {
//
void context::validate_consequences(expr_ref_vector const& assumptions, expr_ref_vector const& vars,
expr_ref_vector const& conseq, expr_ref_vector const& unfixed) {
ast_manager& m = m_manager;
expr_ref tmp(m);
SASSERT(!inconsistent());
for (unsigned i = 0; i < conseq.size(); ++i) {

306
src/smt/smt_context.cpp
View file

@ -17,32 +17,32 @@ Revision History:
--*/
#include<math.h>
#include "smt/smt_context.h"
#include "util/luby.h"
#include "util/warning.h"
#include "util/timeit.h"
#include "util/union_find.h"
#include "ast/ast_pp.h"
#include "ast/ast_ll_pp.h"
#include "util/warning.h"
#include "smt/smt_quick_checker.h"
#include "ast/proofs/proof_checker.h"
#include "ast/ast_util.h"
#include "smt/uses_theory.h"
#include "model/model.h"
#include "smt/smt_for_each_relevant_expr.h"
#include "util/timeit.h"
#include "ast/well_sorted.h"
#include "util/union_find.h"
#include "smt/smt_model_generator.h"
#include "smt/smt_model_checker.h"
#include "smt/smt_model_finder.h"
#include "model/model_pp.h"
#include "ast/ast_smt2_pp.h"
#include "ast/ast_translation.h"
#include "ast/recfun_decl_plugin.h"
#include "ast/proofs/proof_checker.h"
#include "ast/ast_util.h"
#include "ast/well_sorted.h"
#include "model/model.h"
#include "model/model_pp.h"
#include "smt/smt_context.h"
#include "smt/smt_quick_checker.h"
#include "smt/uses_theory.h"
#include "smt/smt_for_each_relevant_expr.h"
#include "smt/smt_model_generator.h"
#include "smt/smt_model_checker.h"
#include "smt/smt_model_finder.h"
namespace smt {
context::context(ast_manager & m, smt_params & p, params_ref const & _p):
m_manager(m),
m(m),
m_fparams(p),
m_params(_p),
m_setup(*this, p),
@ -63,9 +63,8 @@ namespace smt {
m_final_check_idx(0),
m_is_auxiliary(false),
m_cg_table(m),
m_dyn_ack_manager(*this, p),
m_is_diseq_tmp(nullptr),
m_units_to_reassert(m_manager),
m_units_to_reassert(m),
m_qhead(0),
m_simp_qhead(0),
m_simp_counter(0),
@ -77,6 +76,7 @@ namespace smt {
m_not_l(null_literal),
m_conflict_resolution(mk_conflict_resolution(m, *this, m_dyn_ack_manager, p, m_assigned_literals, m_watches)),
m_unsat_proof(m),
m_dyn_ack_manager(*this, p),
m_unknown("unknown"),
m_unsat_core(m),
#ifdef Z3DEBUG
@ -139,7 +139,7 @@ namespace smt {
*/
bool context::get_cancel_flag() {
return !m_manager.limit().inc();
return !m.limit().inc();
}
void context::updt_params(params_ref const& p) {
@ -246,7 +246,7 @@ namespace smt {
}
context * context::mk_fresh(symbol const * l, smt_params * p, params_ref const& pa) {
context * new_ctx = alloc(context, m_manager, p ? *p : m_fparams, pa);
context * new_ctx = alloc(context, m, p ? *p : m_fparams, pa);
new_ctx->m_is_auxiliary = true;
new_ctx->set_logic(l == nullptr ? m_setup.get_logic() : *l);
copy_plugins(*this, *new_ctx);
@ -254,14 +254,14 @@ namespace smt {
}
void context::init() {
app * t = m_manager.mk_true();
app * t = m.mk_true();
mk_bool_var(t);
SASSERT(get_bool_var(t) == true_bool_var);
SASSERT(true_literal.var() == true_bool_var);
m_assignment[true_literal.index()] = l_true;
m_assignment[false_literal.index()] = l_false;
if (m_manager.proofs_enabled()) {
proof * pr = m_manager.mk_true_proof();
if (m.proofs_enabled()) {
proof * pr = m.mk_true_proof();
set_justification(true_bool_var, m_bdata[true_bool_var], b_justification(mk_justification(justification_proof_wrapper(*this, pr))));
}
@ -271,7 +271,7 @@ namespace smt {
m_true_enode = mk_enode(t, true, true, false);
// internalizer is marking enodes as interpreted whenever the associated ast is a value and a constant.
// m_true_enode->mark_as_interpreted();
app * f = m_manager.mk_false();
app * f = m.mk_false();
m_false_enode = mk_enode(f, true, true, false);
// m_false_enode->mark_as_interpreted();
}
@ -286,13 +286,13 @@ namespace smt {
See comments in theory::mk_eq_atom
*/
app * context::mk_eq_atom(expr * lhs, expr * rhs) {
family_id fid = m_manager.get_sort(lhs)->get_family_id();
family_id fid = m.get_sort(lhs)->get_family_id();
theory * th = get_theory(fid);
if (th)
return th->mk_eq_atom(lhs, rhs);
if (lhs->get_id() > rhs->get_id())
std::swap(lhs, rhs);
return m_manager.mk_eq(lhs, rhs);
return m.mk_eq(lhs, rhs);
}
void context::set_justification(bool_var v, bool_var_data& d, b_justification const& j) {
@ -324,7 +324,7 @@ namespace smt {
if (d.is_atom() && (m_fparams.m_relevancy_lvl == 0 || (m_fparams.m_relevancy_lvl == 1 && !d.is_quantifier()) || is_relevant_core(l)))
m_atom_propagation_queue.push_back(l);
if (m_manager.has_trace_stream())
if (m.has_trace_stream())
trace_assign(l, j, decision);
m_case_split_queue->assign_lit_eh(l);
@ -438,7 +438,7 @@ namespace smt {
expr * e = bool_var2expr(first_lit.var());
// IMPORTANT: this kind of propagation asserts negative literals of the form (= A1 A2) where
// A1 and A2 are array terms. So, it may be interesting to disable it for array eqs.
//if (!(m_manager.is_eq(e) && m_manager.get_sort(to_app(e)->get_arg(0))->get_family_id() == m_manager.get_family_id("array")))
//if (!(m.is_eq(e) && m.get_sort(to_app(e)->get_arg(0))->get_family_id() == m.get_family_id("array")))
mark_as_relevant(e);
}
}
@ -502,7 +502,7 @@ namespace smt {
*/
void context::add_eq(enode * n1, enode * n2, eq_justification js) {
unsigned old_trail_size = m_trail_stack.size();
scoped_suspend_rlimit _suspend_cancel(m_manager.limit());
scoped_suspend_rlimit _suspend_cancel(m.limit());
try {
TRACE("add_eq", tout << "assigning: #" << n1->get_owner_id() << " = #" << n2->get_owner_id() << "\n";);
@ -543,7 +543,7 @@ namespace smt {
// It is necessary to propagate relevancy to other elements of
// the equivalence class. This is necessary to enforce the invariant
// in the field m_parent of the enode class.
if (is_relevant(r1)) { // && !m_manager.is_eq(r1->get_owner())) !is_eq HACK
if (is_relevant(r1)) { // && !m.is_eq(r1->get_owner())) !is_eq HACK
// NOTE for !is_eq HACK... the !is_eq HACK does not propagate relevancy when two
// equality enodes are congruent. I tested this optimization because in V1
// relevancy is not propagated for congruent equalities.
@ -553,7 +553,7 @@ namespace smt {
// To use it, I need to go over the code and analyze all affected places.
mark_as_relevant(r2);
}
else if (is_relevant(r2)) { // && !m_manager.is_eq(r2->get_owner())) { // !is_eq HACK
else if (is_relevant(r2)) { // && !m.is_eq(r2->get_owner())) { // !is_eq HACK
mark_as_relevant(r1);
}
@ -602,7 +602,7 @@ namespace smt {
catch (...) {
// Restore trail size since procedure was interrupted in the middle.
// If the add_eq_trail remains on the trail stack, then Z3 may crash when the destructor is invoked.
TRACE("add_eq", tout << "add_eq interrupted. This is unsafe " << m_manager.limit().get_cancel_flag() << "\n";);
TRACE("add_eq", tout << "add_eq interrupted. This is unsafe " << m.limit().get_cancel_flag() << "\n";);
m_trail_stack.shrink(old_trail_size);
throw;
}
@ -617,7 +617,7 @@ namespace smt {
for (enode * parent : enode::parents(r1)) {
CTRACE("add_eq", !parent->is_marked() && parent->is_cgc_enabled() && parent->is_true_eq() && m_cg_table.contains_ptr(parent), tout << parent->get_owner_id() << "\n";);
CTRACE("add_eq", !parent->is_marked() && parent->is_cgc_enabled() && !parent->is_true_eq() && parent->is_cgr() && !m_cg_table.contains_ptr(parent),
tout << "cgr !contains " << parent->get_owner_id() << " " << mk_pp(parent->get_decl(), m_manager) << "\n";
tout << "cgr !contains " << parent->get_owner_id() << " " << mk_pp(parent->get_decl(), m) << "\n";
for (enode* n : enode::args(parent)) tout << n->get_root()->get_owner_id() << " " << n->get_root()->hash() << " ";
tout << "\n";
tout << "contains: " << m_cg_table.contains(parent) << "\n";
@ -1085,10 +1085,10 @@ namespace smt {
enode * r1 = n1->get_root();
enode * r2 = n2->get_root();
TRACE("add_diseq", tout << "assigning: #" << n1->get_owner_id() << " != #" << n2->get_owner_id() << "\n";
tout << mk_ll_pp(n1->get_owner(), m_manager) << " != ";
tout << mk_ll_pp(n2->get_owner(), m_manager) << "\n";
tout << mk_ll_pp(r1->get_owner(), m_manager) << " != ";
tout << mk_ll_pp(r2->get_owner(), m_manager) << "\n";
tout << mk_ll_pp(n1->get_owner(), m) << " != ";
tout << mk_ll_pp(n2->get_owner(), m) << "\n";
tout << mk_ll_pp(r1->get_owner(), m) << " != ";
tout << mk_ll_pp(r2->get_owner(), m) << "\n";
);
DEBUG_CODE(
@ -1126,7 +1126,7 @@ namespace smt {
theory_id t1 = l1->get_th_id();
theory_var v1 = m_fparams.m_new_core2th_eq ? get_closest_var(n1, t1) : l1->get_th_var();
theory * th = get_theory(t1);
TRACE("add_diseq", tout << m_manager.get_family_name(t1) << "\n";);
TRACE("add_diseq", tout << m.get_family_name(t1) << "\n";);
if (th->use_diseqs()) {
theory_var v2 = m_fparams.m_new_core2th_eq ? get_closest_var(n2, t1) : r2->get_th_var(t1);
if (v2 != null_theory_var)
@ -1143,17 +1143,17 @@ namespace smt {
context.
*/
bool context::is_diseq(enode * n1, enode * n2) const {
SASSERT(m_manager.get_sort(n1->get_owner()) == m_manager.get_sort(n2->get_owner()));
SASSERT(m.get_sort(n1->get_owner()) == m.get_sort(n2->get_owner()));
context * _this = const_cast<context*>(this);
if (!m_is_diseq_tmp) {
app * eq = m_manager.mk_eq(n1->get_owner(), n2->get_owner());
m_manager.inc_ref(eq);
_this->m_is_diseq_tmp = enode::mk_dummy(m_manager, m_app2enode, eq);
app * eq = m.mk_eq(n1->get_owner(), n2->get_owner());
m.inc_ref(eq);
_this->m_is_diseq_tmp = enode::mk_dummy(m, m_app2enode, eq);
}
else if (m_manager.get_sort(m_is_diseq_tmp->get_owner()->get_arg(0)) != m_manager.get_sort(n1->get_owner())) {
m_manager.dec_ref(m_is_diseq_tmp->get_owner());
app * eq = m_manager.mk_eq(n1->get_owner(), n2->get_owner());
m_manager.inc_ref(eq);
else if (m.get_sort(m_is_diseq_tmp->get_owner()->get_arg(0)) != m.get_sort(n1->get_owner())) {
m.dec_ref(m_is_diseq_tmp->get_owner());
app * eq = m.mk_eq(n1->get_owner(), n2->get_owner());
m.inc_ref(eq);
m_is_diseq_tmp->m_func_decl_id = UINT_MAX;
m_is_diseq_tmp->m_owner = eq;
}
@ -1278,13 +1278,11 @@ namespace smt {
if (!p2->is_cgr())
continue;
list<enode*> * ps = table.find(p2);
if (ps) {
while (ps) {
enode * p1 = ps->head();
if (p1->get_root() != p2->get_root() && is_ext_diseq(p1, p2, depth - 1))
return true;
ps = ps->tail();
}
while (ps) {
enode * p1 = ps->head();
if (p1->get_root() != p2->get_root() && is_ext_diseq(p1, p2, depth - 1))
return true;
ps = ps->tail();
}
}
}
@ -1361,10 +1359,10 @@ namespace smt {
return false;
if (d.is_eq()) {
app * n = to_app(m_bool_var2expr[v]);
SASSERT(m_manager.is_eq(n));
SASSERT(m.is_eq(n));
expr * lhs = n->get_arg(0);
expr * rhs = n->get_arg(1);
if (m_manager.is_bool(lhs)) {
if (m.is_bool(lhs)) {
// no-op
}
else if (val == l_true) {
@ -1389,7 +1387,7 @@ namespace smt {
// becomes an unit-clause and the remaining literal is the negation of a quantifier.
CTRACE("assign_quantifier_bug", get_assignment(v) != l_true,
tout << "#" << bool_var2expr(v)->get_id() << " val: " << get_assignment(v) << "\n";
tout << mk_pp(bool_var2expr(v), m_manager) << "\n";
tout << mk_pp(bool_var2expr(v), m) << "\n";
display(tout););
SASSERT(is_quantifier(m_bool_var2expr[v]));
if (get_assignment(v) == l_true) {
@ -1468,7 +1466,7 @@ namespace smt {
*/
void context::push_new_th_diseqs(enode * r, theory_var v, theory * th) {
if (!th->use_diseqs()) {
TRACE("push_new_th_diseqs", tout << m_manager.get_family_name(th->get_id()) << " not using diseqs\n";);
TRACE("push_new_th_diseqs", tout << m.get_family_name(th->get_id()) << " not using diseqs\n";);
return;
}
TRACE("push_new_th_diseqs", tout << "#" << r->get_owner_id() << " v" << v << "\n";);
@ -1515,7 +1513,7 @@ namespace smt {
\pre The expression must be attached to a boolean variable.
*/
inline lbool context::get_assignment_core(expr * n) const {
CTRACE("get_assignment_bug", !b_internalized(n), tout << "n:\n" << mk_pp(n, m_manager) << "\n"; display(tout););
CTRACE("get_assignment_bug", !b_internalized(n), tout << "n:\n" << mk_pp(n, m) << "\n"; display(tout););
SASSERT(b_internalized(n));
unsigned id = n->get_id();
bool_var var = get_bool_var_of_id(id);
@ -1529,19 +1527,19 @@ namespace smt {
is inspected instead.
*/
lbool context::get_assignment(expr * n) const {
if (m_manager.is_false(n))
if (m.is_false(n))
return l_false;
expr* arg = nullptr;
if (m_manager.is_not(n, arg))
if (m.is_not(n, arg))
return ~get_assignment_core(arg);
return get_assignment_core(n);
}
lbool context::find_assignment(expr * n) const {
if (m_manager.is_false(n))
if (m.is_false(n))
return l_false;
expr* arg = nullptr;
if (m_manager.is_not(n, arg)) {
if (m.is_not(n, arg)) {
if (b_internalized(arg))
return ~get_assignment_core(arg);
return l_undef;
@ -1557,12 +1555,12 @@ namespace smt {
*/
lbool context::get_assignment(enode * n) const {
expr * owner = n->get_owner();
if (!m_manager.is_bool(owner))
if (!m.is_bool(owner))
return l_undef;
if (n == m_false_enode)
return l_false;
bool_var v = get_bool_var_of_id(owner->get_id());
CTRACE("missing_propagation", v == null_bool_var, tout << mk_pp(owner, m_manager) << "\n";);
CTRACE("missing_propagation", v == null_bool_var, tout << mk_pp(owner, m) << "\n";);
return get_assignment(v);
}
@ -1571,7 +1569,7 @@ namespace smt {
*/
void context::get_assignments(expr_ref_vector& assignments) {
for (literal lit : m_assigned_literals) {
expr_ref e(m_manager);
expr_ref e(m);
literal2expr(lit, e);
assignments.push_back(std::move(e));
}
@ -1590,7 +1588,7 @@ namespace smt {
m_atom_propagation_queue.push_back(literal(v, val == l_false));
}
}
TRACE("propagate_relevancy", tout << "marking as relevant:\n" << mk_bounded_pp(n, m_manager) << " " << m_scope_lvl << "\n";);
TRACE("propagate_relevancy", tout << "marking as relevant:\n" << mk_bounded_pp(n, m) << " " << m_scope_lvl << "\n";);
m_case_split_queue->relevant_eh(n);
if (is_app(n)) {
@ -1602,7 +1600,7 @@ namespace smt {
theory * propagated_th = nullptr;
family_id fid = to_app(n)->get_family_id();
if (fid != m_manager.get_basic_family_id()) {
if (fid != m.get_basic_family_id()) {
theory * th = get_theory(fid);
if (th != nullptr) {
th->relevant_eh(to_app(n));
@ -1712,7 +1710,7 @@ namespace smt {
return false;
unsigned qhead = m_qhead;
{
scoped_suspend_rlimit _suspend_cancel(m_manager.limit(), at_base_level());
scoped_suspend_rlimit _suspend_cancel(m.limit(), at_base_level());
if (!bcp())
return false;
if (!propagate_th_case_split(qhead))
@ -1733,7 +1731,7 @@ namespace smt {
return false;
}
if (!get_cancel_flag()) {
scoped_suspend_rlimit _suspend_cancel(m_manager.limit(), at_base_level());
scoped_suspend_rlimit _suspend_cancel(m.limit(), at_base_level());
m_qmanager->propagate();
}
if (inconsistent())
@ -1759,7 +1757,7 @@ namespace smt {
}
void context::assign_quantifier(quantifier * q) {
TRACE("assumption", tout << mk_pp(q, m_manager) << "\n";);
TRACE("assumption", tout << mk_pp(q, m) << "\n";);
m_qmanager->assign_eh(q);
}
@ -1821,7 +1819,7 @@ namespace smt {
push_scope();
TRACE("decide", tout << "splitting, lvl: " << m_scope_lvl << "\n";);
TRACE("decide_detail", tout << mk_pp(bool_var2expr(var), m_manager) << "\n";);
TRACE("decide_detail", tout << mk_pp(bool_var2expr(var), m) << "\n";);
bool is_pos;
@ -1920,8 +1918,8 @@ namespace smt {
*/
void context::push_scope() {
if (m_manager.has_trace_stream() && !m_is_auxiliary)
m_manager.trace_stream() << "[push] " << m_scope_lvl << "\n";
if (m.has_trace_stream() && !m_is_auxiliary)
m.trace_stream() << "[push] " << m_scope_lvl << "\n";
m_scope_lvl++;
m_region.push_scope();
@ -2001,7 +1999,7 @@ namespace smt {
CTRACE("context", !m_flushing, display_clause_smt2(tout << "deleting ", *cls) << "\n";);
if (!cls->deleted())
remove_cls_occs(cls);
cls->deallocate(m_manager);
cls->deallocate(m);
m_stats.m_num_del_clause++;
}
@ -2054,7 +2052,7 @@ namespace smt {
while (i != old_lim) {
--i;
justification * js = justifications[i];
js->del_eh(m_manager);
js->del_eh(m);
if (!js->in_region()) {
dealloc(js);
}
@ -2219,7 +2217,7 @@ namespace smt {
clause_vector & v = m_clauses_to_reinit[i];
for (clause* cls : v) {
if (cls->deleted()) {
cls->release_atoms(m_manager);
cls->release_atoms(m);
cls->m_reinit = false;
cls->m_reinternalize_atoms = false;
continue;
@ -2263,7 +2261,7 @@ namespace smt {
// So, when reinternalizing the NOT-atom I should set the gate_ctx to false,
// and force expression to be reinternalized.
// Otherwise I set gate_ctx to true
bool gate_ctx = !m_manager.is_not(atom);
bool gate_ctx = !m.is_not(atom);
internalize(atom, gate_ctx);
SASSERT(b_internalized(atom));
bool_var v = get_bool_var(atom);
@ -2312,11 +2310,6 @@ namespace smt {
}
}
// SASSERT(!(cls->get_num_literals() == 3 &&
// (cls->get_literal(0).index() == 624 || cls->get_literal(0).index() == 103 || cls->get_literal(0).index() == 629) &&
// (cls->get_literal(1).index() == 624 || cls->get_literal(1).index() == 103 || cls->get_literal(1).index() == 629) &&
// (cls->get_literal(2).index() == 624 || cls->get_literal(2).index() == 103 || cls->get_literal(2).index() == 629)));
if (keep && m_scope_lvl > m_base_lvl) {
m_clauses_to_reinit[m_scope_lvl].push_back(cls);
}
@ -2324,7 +2317,7 @@ namespace smt {
// clause do not need to be in the reinit stack anymore,
// because it will be deleted when the base level is
// backtracked.
cls->release_atoms(m_manager);
cls->release_atoms(m);
cls->m_reinit = false;
cls->m_reinternalize_atoms = false;
}
@ -2366,8 +2359,8 @@ namespace smt {
unsigned context::pop_scope_core(unsigned num_scopes) {
try {
if (m_manager.has_trace_stream() && !m_is_auxiliary)
m_manager.trace_stream() << "[pop] " << num_scopes << " " << m_scope_lvl << "\n";
if (m.has_trace_stream() && !m_is_auxiliary)
m.trace_stream() << "[pop] " << num_scopes << " " << m_scope_lvl << "\n";
TRACE("context", tout << "backtracking: " << num_scopes << " from " << m_scope_lvl << "\n";);
TRACE("pop_scope_detail", display(tout););
@ -2492,7 +2485,7 @@ namespace smt {
literal l = cls[i];
switch(get_assignment(l)) {
case l_false:
if (m_manager.proofs_enabled())
if (m.proofs_enabled())
simp_lits.push_back(~l);
if (lit_occs_enabled())
m_lit_occs[l.index()].erase(&cls);
@ -2514,7 +2507,7 @@ namespace smt {
SASSERT(j >= 2);
}
if (m_manager.proofs_enabled() && !simp_lits.empty()) {
if (m.proofs_enabled() && !simp_lits.empty()) {
SASSERT(m_scope_lvl == m_base_lvl);
justification * js = cls.get_justification();
justification * new_js = nullptr;
@ -2561,7 +2554,7 @@ namespace smt {
// it is safe to replace with axiom, we are at the base level.
SASSERT(m_scope_lvl == m_base_lvl);
bool_var v0 = l0.var();
if (m_manager.proofs_enabled()) {
if (m.proofs_enabled()) {
SASSERT(m_search_lvl == m_base_lvl);
literal_buffer simp_lits;
unsigned num_lits = cls->get_num_literals();
@ -2857,7 +2850,7 @@ namespace smt {
void context::push() {
TRACE("unit_subsumption_bug", display(tout << "context::push()\n"););
scoped_suspend_rlimit _suspend_cancel(m_manager.limit());
scoped_suspend_rlimit _suspend_cancel(m.limit());
pop_to_base_lvl();
setup_context(false);
bool was_consistent = !inconsistent();
@ -2902,8 +2895,8 @@ namespace smt {
del_justifications(m_justifications, 0);
reset_tmp_clauses();
if (m_is_diseq_tmp) {
m_is_diseq_tmp->del_eh(m_manager, false);
m_manager.dec_ref(m_is_diseq_tmp->get_owner());
m_is_diseq_tmp->del_eh(m, false);
m.dec_ref(m_is_diseq_tmp->get_owner());
enode::del_dummy(m_is_diseq_tmp);
m_is_diseq_tmp = nullptr;
}
@ -2912,9 +2905,9 @@ namespace smt {
void context::assert_expr_core(expr * e, proof * pr) {
if (get_cancel_flag()) return;
SASSERT(is_well_sorted(m_manager, e));
TRACE("begin_assert_expr", tout << this << " " << mk_pp(e, m_manager) << "\n";);
TRACE("begin_assert_expr_ll", tout << mk_ll_pp(e, m_manager) << "\n";);
SASSERT(is_well_sorted(m, e));
TRACE("begin_assert_expr", tout << this << " " << mk_pp(e, m) << "\n";);
TRACE("begin_assert_expr_ll", tout << mk_ll_pp(e, m) << "\n";);
pop_to_base_lvl();
if (pr == nullptr)
m_asserted_formulas.assert_expr(e);
@ -3027,7 +3020,7 @@ namespace smt {
literal l2 = *set_it;
if (l2 != l) {
b_justification js(l);
TRACE("theory_case_split", tout << "case split literal "; l2.display(tout, m_manager, m_bool_var2expr.c_ptr()););
TRACE("theory_case_split", tout << "case split literal "; l2.display(tout, m, m_bool_var2expr.c_ptr()););
assign(~l2, js);
if (inconsistent()) {
TRACE("theory_case_split", tout << "conflict detected!" << std::endl;);
@ -3068,13 +3061,13 @@ namespace smt {
void context::internalize_proxies(expr_ref_vector const& asms, vector<std::pair<expr*,expr_ref>>& asm2proxy) {
for (expr* e : asms) {
if (is_valid_assumption(m_manager, e)) {
asm2proxy.push_back(std::make_pair(e, expr_ref(e, m_manager)));
if (is_valid_assumption(m, e)) {
asm2proxy.push_back(std::make_pair(e, expr_ref(e, m)));
}
else {
expr_ref proxy(m_manager), fml(m_manager);
proxy = m_manager.mk_fresh_const("proxy", m_manager.mk_bool_sort());
fml = m_manager.mk_implies(proxy, e);
expr_ref proxy(m), fml(m);
proxy = m.mk_fresh_const("proxy", m.mk_bool_sort());
fml = m.mk_implies(proxy, e);
m_asserted_formulas.assert_expr(fml);
asm2proxy.push_back(std::make_pair(e, proxy));
}
@ -3125,7 +3118,7 @@ namespace smt {
bool context::validate_assumptions(expr_ref_vector const& asms) {
for (expr* a : asms) {
SASSERT(a);
if (!is_valid_assumption(m_manager, a)) {
if (!is_valid_assumption(m, a)) {
warning_msg("an assumption must be a propositional variable or the negation of one");
return false;
}
@ -3143,11 +3136,11 @@ namespace smt {
clause* clausep = nullptr;
if (lits.size() >= 2) {
justification* js = nullptr;
if (m_manager.proofs_enabled()) {
if (m.proofs_enabled()) {
proof * pr = mk_clause_def_axiom(lits.size(), lits.c_ptr(), nullptr);
js = mk_justification(justification_proof_wrapper(*this, pr));
}
clausep = clause::mk(m_manager, lits.size(), lits.c_ptr(), CLS_AUX, js);
clausep = clause::mk(m, lits.size(), lits.c_ptr(), CLS_AUX, js);
}
m_tmp_clauses.push_back(std::make_pair(clausep, lits));
}
@ -3215,9 +3208,9 @@ namespace smt {
for (auto const& p: asm2proxy) {
expr_ref curr_assumption = p.second;
expr* orig_assumption = p.first;
if (m_manager.is_true(curr_assumption)) continue;
SASSERT(is_valid_assumption(m_manager, curr_assumption));
proof * pr = m_manager.mk_asserted(curr_assumption);
if (m.is_true(curr_assumption)) continue;
SASSERT(is_valid_assumption(m, curr_assumption));
proof * pr = m.mk_asserted(curr_assumption);
internalize_assertion(curr_assumption, pr, 0);
literal l = get_literal(curr_assumption);
if (l == true_literal)
@ -3229,8 +3222,8 @@ namespace smt {
m_literal2assumption.insert(l.index(), orig_assumption);
// internalize_assertion marked l as relevant.
SASSERT(is_relevant(l));
TRACE("assumptions", tout << l << ":" << curr_assumption << " " << mk_pp(orig_assumption, m_manager) << "\n";);
if (m_manager.proofs_enabled())
TRACE("assumptions", tout << l << ":" << curr_assumption << " " << mk_pp(orig_assumption, m) << "\n";);
if (m.proofs_enabled())
assign(l, mk_justification(justification_proof_wrapper(*this, pr)));
else
assign(l, b_justification::mk_axiom());
@ -3283,7 +3276,7 @@ namespace smt {
already_found_assumptions.insert(l.index());
expr* orig_assumption = m_literal2assumption[l.index()];
m_unsat_core.push_back(orig_assumption);
TRACE("assumptions", tout << l << ": " << mk_pp(orig_assumption, m_manager) << "\n";);
TRACE("assumptions", tout << l << ": " << mk_pp(orig_assumption, m) << "\n";);
}
}
reset_assumptions();
@ -3307,8 +3300,8 @@ namespace smt {
Return true if succeeded.
*/
bool context::check_preamble(bool reset_cancel) {
if (m_manager.has_trace_stream() && !m_is_auxiliary)
m_manager.trace_stream() << "[begin-check] " << m_scope_lvl << "\n";
if (m.has_trace_stream() && !m_is_auxiliary)
m.trace_stream() << "[begin-check] " << m_scope_lvl << "\n";
if (memory::above_high_watermark()) {
m_last_search_failure = MEMOUT;
@ -3341,7 +3334,7 @@ namespace smt {
if (lit.sign() ? m_model->is_true(v) : m_model->is_false(v)) {
IF_VERBOSE(10, verbose_stream()
<< "invalid assignment " << (lit.sign() ? "true" : "false")
<< " to #" << v->get_id() << " := " << mk_bounded_pp(v, m_manager, 2) << "\n");
<< " to #" << v->get_id() << " := " << mk_bounded_pp(v, m, 2) << "\n");
}
}
for (clause* cls : m_aux_clauses) {
@ -3377,7 +3370,7 @@ namespace smt {
internalize_assertions();
expr_ref_vector theory_assumptions(m_manager);
expr_ref_vector theory_assumptions(m);
add_theory_assumptions(theory_assumptions);
if (!theory_assumptions.empty()) {
TRACE("search", tout << "Adding theory assumptions to context" << std::endl;);
@ -3431,7 +3424,7 @@ namespace smt {
lbool r;
do {
pop_to_base_lvl();
expr_ref_vector asms(m_manager, num_assumptions, assumptions);
expr_ref_vector asms(m, num_assumptions, assumptions);
internalize_assertions();
add_theory_assumptions(asms);
TRACE("unsat_core_bug", tout << asms << "\n";);
@ -3561,7 +3554,7 @@ namespace smt {
}
TRACE("guessed_literals",
expr_ref_vector guessed_lits(m_manager);
expr_ref_vector guessed_lits(m);
get_guessed_literals(guessed_lits);
tout << guessed_lits << "\n";);
end_search();
@ -3852,9 +3845,9 @@ namespace smt {
}
void context::check_proof(proof * pr) {
if (m_manager.proofs_enabled() && m_fparams.m_check_proof) {
proof_checker pf(m_manager);
expr_ref_vector side_conditions(m_manager);
if (m.proofs_enabled() && m_fparams.m_check_proof) {
proof_checker pf(m);
expr_ref_vector side_conditions(m);
pf.check(pr, side_conditions);
}
}
@ -3911,7 +3904,7 @@ namespace smt {
internalized_quantifiers() &&
num_lits == 1 &&
conflict_lvl > m_search_lvl + 1 &&
!m_manager.proofs_enabled() &&
!m.proofs_enabled() &&
m_units_to_reassert.size() < m_fparams.m_delay_units_threshold;
if (delay_forced_restart) {
@ -3934,17 +3927,17 @@ namespace smt {
tout << l << " ";
display_literal(tout, l);
tout << ", ilvl: " << get_intern_level(l.var()) << "\n"
<< mk_pp(bool_var2expr(l.var()), m_manager) << "\n";
<< mk_pp(bool_var2expr(l.var()), m) << "\n";
});
if (m_manager.has_trace_stream() && !m_is_auxiliary) {
m_manager.trace_stream() << "[conflict] ";
display_literals(m_manager.trace_stream(), num_lits, lits);
m_manager.trace_stream() << "\n";
if (m.has_trace_stream() && !m_is_auxiliary) {
m.trace_stream() << "[conflict] ";
display_literals(m.trace_stream(), num_lits, lits);
m.trace_stream() << "\n";
}
#ifdef Z3DEBUG
expr_ref_vector expr_lits(m_manager);
expr_ref_vector expr_lits(m);
svector<bool> expr_signs;
for (unsigned i = 0; i < num_lits; i++) {
literal l = lits[i];
@ -3957,13 +3950,13 @@ namespace smt {
}
#endif
proof * pr = nullptr;
if (m_manager.proofs_enabled()) {
if (m.proofs_enabled()) {
pr = m_conflict_resolution->get_lemma_proof();
// check_proof(pr);
TRACE("context_proof", tout << mk_ll_pp(pr, m_manager););
TRACE("context_proof", tout << mk_ll_pp(pr, m););
TRACE("context_proof_hack",
static ast_mark visited;
ast_ll_pp(tout, m_manager, pr, visited););
ast_ll_pp(tout, m, pr, visited););
}
// I invoke pop_scope_core instead of pop_scope because I don't want
// to reset cached generations... I need them to rebuild the literals
@ -3992,7 +3985,7 @@ namespace smt {
// For reference, here is the buggy version
// BEGIN BUGGY VERSION
// bool_var v = get_bool_var(atom);
// CTRACE("resolve_conflict_crash", v == null_bool_var, tout << mk_ismt2_pp(atom, m_manager) << "\n";);
// CTRACE("resolve_conflict_crash", v == null_bool_var, tout << mk_ismt2_pp(atom, m) << "\n";);
// SASSERT(v != null_bool_var);
// literal new_l = literal(v, l.sign());
// END BUGGY VERSION
@ -4012,16 +4005,16 @@ namespace smt {
tout << l << " ";
display_literal(tout, l);
tout << ", ilvl: " << get_intern_level(l.var()) << "\n"
<< mk_pp(bool_var2expr(l.var()), m_manager) << "\n";
<< mk_pp(bool_var2expr(l.var()), m) << "\n";
});
#ifdef Z3DEBUG
for (unsigned i = 0; i < num_lits; i++) {
literal l = lits[i];
if (expr_signs[i] != l.sign()) {
expr* real_atom;
VERIFY(m_manager.is_not(expr_lits.get(i), real_atom));
VERIFY(m.is_not(expr_lits.get(i), real_atom));
// the sign must have flipped when internalizing
CTRACE("resolve_conflict_bug", real_atom != bool_var2expr(l.var()), tout << mk_pp(real_atom, m_manager) << "\n" << mk_pp(bool_var2expr(l.var()), m_manager) << "\n";);
CTRACE("resolve_conflict_bug", real_atom != bool_var2expr(l.var()), tout << mk_pp(real_atom, m) << "\n" << mk_pp(bool_var2expr(l.var()), m) << "\n";);
SASSERT(real_atom == bool_var2expr(l.var()));
}
else {
@ -4030,7 +4023,7 @@ namespace smt {
}
#endif
justification * js = nullptr;
if (m_manager.proofs_enabled()) {
if (m.proofs_enabled()) {
js = alloc(justification_proof_wrapper, *this, pr, false);
}
#if 0
@ -4047,7 +4040,7 @@ namespace smt {
verbose_stream() << "[sat] avg. clause size: " << ((double) total/(double) counter) << ", max: " << max << std::endl;
for (unsigned i = 0; i < num_lits; i++) {
literal l = lits[i];
verbose_stream() << l.sign() << " " << mk_pp(bool_var2expr(l.var()), m_manager) << "\n";
verbose_stream() << l.sign() << " " << mk_pp(bool_var2expr(l.var()), m) << "\n";
}
}
}
@ -4069,7 +4062,7 @@ namespace smt {
for (unsigned i = 0; i < num_lits; i++) {
display_literal(tout, v[i]);
tout << "\n";
v[i].display(tout, m_manager, m_bool_var2expr.c_ptr());
v[i].display(tout, m, m_bool_var2expr.c_ptr());
tout << "\n\n";
}
tout << "\n";);
@ -4080,7 +4073,7 @@ namespace smt {
else if (m_fparams.m_clause_proof) {
m_unsat_proof = m_clause_proof.get_proof();
}
else if (m_manager.proofs_enabled()) {
else if (m.proofs_enabled()) {
m_unsat_proof = m_conflict_resolution->get_lemma_proof();
check_proof(m_unsat_proof);
}
@ -4111,7 +4104,7 @@ namespace smt {
void context::get_relevant_labels(expr* cnstr, buffer<symbol> & result) {
if (m_fparams.m_check_at_labels) {
check_at_labels checker(m_manager);
check_at_labels checker(m);
if (cnstr && !checker.check(cnstr)) {
warning_msg("Boogie generated formula that can require multiple '@' labels in a counter-example");
}
@ -4131,7 +4124,7 @@ namespace smt {
for (expr * curr : m_b_internalized_stack) {
if (is_relevant(curr) && get_assignment(curr) == l_true) {
// if curr is a label literal, then its tags will be copied to result.
m_manager.is_label_lit(curr, result);
m.is_label_lit(curr, result);
}
}
}
@ -4147,7 +4140,7 @@ namespace smt {
for (expr * curr : m_b_internalized_stack) {
if (is_relevant(curr) && get_assignment(curr) == l_true) {
lbls.reset();
if (m_manager.is_label_lit(curr, lbls)) {
if (m.is_label_lit(curr, lbls)) {
bool include = false;
if (at_lbls) {
// include if there is a label with the '@' sign.
@ -4183,7 +4176,7 @@ namespace smt {
result.push_back(curr);
break;
case l_false:
result.push_back(m_manager.mk_not(curr));
result.push_back(m.mk_not(curr));
break;
default:
break;
@ -4207,7 +4200,7 @@ namespace smt {
unsigned guess_idx = s.m_assigned_literals_lim;
literal guess = m_assigned_literals[guess_idx];
SASSERT(get_justification(guess.var()).get_kind() == b_justification::AXIOM);
expr_ref lit(m_manager);
expr_ref lit(m);
literal2expr(guess, lit);
result.push_back(std::move(lit));
}
@ -4237,11 +4230,11 @@ namespace smt {
expr * _lhs = lhs->get_owner();
expr * _rhs = rhs->get_owner();
expr * eq = mk_eq_atom(_lhs, _rhs);
TRACE("assume_eq", tout << "creating interface eq:\n" << mk_pp(eq, m_manager) << "\n";);
if (m_manager.is_false(eq)) {
TRACE("assume_eq", tout << "creating interface eq:\n" << mk_pp(eq, m) << "\n";);
if (m.is_false(eq)) {
return false;
}
bool r = false;
bool r = false;
if (!b_internalized(eq)) {
// I do not invoke internalize(eq, true), because I want to
// mark the try_true_first flag before invoking theory::internalize_eq_eh.
@ -4250,13 +4243,13 @@ namespace smt {
// (<= (- x y) 0)
// (>= (- y x) 0)
// for the new equality atom (= x y).
if (m_manager.is_eq(eq)) {
if (m.is_eq(eq)) {
internalize_formula_core(to_app(eq), true);
bool_var v = get_bool_var(eq);
bool_var_data & d = get_bdata(v);
d.set_eq_flag();
set_true_first_flag(v);
sort * s = m_manager.get_sort(to_app(eq)->get_arg(0));
sort * s = m.get_sort(to_app(eq)->get_arg(0));
theory * th = m_theories.get_plugin(s->get_family_id());
if (th)
th->internalize_eq_eh(to_app(eq), v);
@ -4272,19 +4265,17 @@ namespace smt {
bool_var_data & d = m_bdata[v];
if (!d.try_true_first()) {
set_true_first_flag(v);
r = true;
r = true;
TRACE("assume_eq", tout << "marked as ieq.\n";);
}
if (get_assignment(v) == l_undef) {
TRACE("assume_eq", tout << "variable is unassigned.\n";);
r = true;
r = true;
}
if (relevancy()) {
if (!is_relevant(eq)) {
TRACE("assume_eq", tout << "marking eq as relevant.\n";);
mark_as_relevant(eq);
r = true;
}
if (relevancy() && !is_relevant(eq)) {
TRACE("assume_eq", tout << "marking eq as relevant.\n";);
mark_as_relevant(eq);
r = true;
}
TRACE("assume_eq", tout << "variable value: " << get_assignment(v) << "\n";);
TRACE("assume_eq", tout << "assume_eq result: " << r << "\n";);
@ -4294,7 +4285,7 @@ namespace smt {
bool context::is_shared(enode * n) const {
n = n->get_root();
unsigned num_th_vars = n->get_num_th_vars();
if (m_manager.is_ite(n->get_owner())) {
if (m.is_ite(n->get_owner())) {
return true;
}
switch (num_th_vars) {
@ -4314,7 +4305,7 @@ namespace smt {
for (enode * parent : enode::parents(n)) {
family_id fid = parent->get_owner()->get_family_id();
if (fid != th_id && fid != m_manager.get_basic_family_id()) {
if (fid != th_id && fid != m.get_basic_family_id()) {
TRACE("is_shared", tout << enode_pp(n, *this) << "\nis shared because of:\n" << enode_pp(parent, *this) << "\n";);
return true;
}
@ -4354,7 +4345,7 @@ namespace smt {
}
bool context::get_value(enode * n, expr_ref & value) {
sort * s = m_manager.get_sort(n->get_owner());
sort * s = m.get_sort(n->get_owner());
family_id fid = s->get_family_id();
theory * th = get_theory(fid);
if (th == nullptr)
@ -4444,7 +4435,6 @@ namespace smt {
}
void context::add_rec_funs_to_model() {
ast_manager& m = m_manager;
if (!m_model) return;
for (unsigned i = 0; !get_cancel_flag() && i < m_asserted_formulas.get_num_formulas(); ++i) {
expr* e = m_asserted_formulas.get_formula(i);

22
src/smt/smt_context.h
View file

@ -79,7 +79,7 @@ namespace smt {
protected:
ast_manager & m_manager;
ast_manager & m;
smt_params & m_fparams;
params_ref m_params;
setup m_setup;
@ -95,9 +95,7 @@ namespace smt {
progress_callback * m_progress_callback;
unsigned m_next_progress_sample;
clause_proof m_clause_proof;
region m_region;
fingerprint_set m_fingerprints;
expr_ref_vector m_b_internalized_stack; // stack of the boolean expressions already internalized.
@ -126,7 +124,6 @@ namespace smt {
vector<enode_vector> m_decl2enodes; // decl -> enode (for decls with arity > 0)
enode_vector m_empty_vector;
cg_table m_cg_table;
dyn_ack_manager m_dyn_ack_manager;
struct new_eq {
enode * m_lhs;
enode * m_rhs;
@ -201,6 +198,7 @@ namespace smt {
obj_map<expr, unsigned> m_cached_generation;
obj_hashtable<expr> m_cache_generation_visited;
dyn_ack_manager m_dyn_ack_manager;
// -----------------------------------
//
@ -258,7 +256,7 @@ namespace smt {
// -----------------------------------
public:
ast_manager & get_manager() const {
return m_manager;
return m;
}
th_rewriter & get_rewriter() {
@ -519,17 +517,17 @@ namespace smt {
void literal2expr(literal l, expr_ref & result) const {
if (l == true_literal)
result = m_manager.mk_true();
result = m.mk_true();
else if (l == false_literal)
result = m_manager.mk_false();
result = m.mk_false();
else if (l.sign())
result = m_manager.mk_not(bool_var2expr(l.var()));
result = m.mk_not(bool_var2expr(l.var()));
else
result = bool_var2expr(l.var());
}
expr_ref literal2expr(literal l) const {
expr_ref result(m_manager);
expr_ref result(m);
literal2expr(l, result);
return result;
}
@ -701,7 +699,7 @@ namespace smt {
}
bool lit_internalized(expr const * n) const {
return m_manager.is_false(n) || (m_manager.is_not(n) ? b_internalized(to_app(n)->get_arg(0)) : b_internalized(n));
return m.is_false(n) || (m.is_not(n) ? b_internalized(to_app(n)->get_arg(0)) : b_internalized(n));
}
bool e_internalized(expr const * n) const {
@ -737,7 +735,7 @@ namespace smt {
public:
bool binary_clause_opt_enabled() const {
return !m_manager.proofs_enabled() && m_fparams.m_binary_clause_opt;
return !m.proofs_enabled() && m_fparams.m_binary_clause_opt;
}
protected:
bool_var_data & get_bdata(expr const * n) {
@ -1304,7 +1302,7 @@ namespace smt {
std::ostream& display_literal(std::ostream & out, literal l) const;
std::ostream& display_detailed_literal(std::ostream & out, literal l) const { l.display(out, m_manager, m_bool_var2expr.c_ptr()); return out; }
std::ostream& display_detailed_literal(std::ostream & out, literal l) const { l.display(out, m, m_bool_var2expr.c_ptr()); return out; }
void display_literal_info(std::ostream & out, literal l) const;

43
src/smt/smt_context_inv.cpp
View file

@ -191,7 +191,7 @@ namespace smt {
if (n->is_true_eq() && n2->is_true_eq())
continue;
CTRACE("missing_propagation", congruent(n, n2),
tout << mk_pp(n->get_owner(), m_manager) << "\n" << mk_pp(n2->get_owner(), m_manager) << "\n";
tout << mk_pp(n->get_owner(), m) << "\n" << mk_pp(n2->get_owner(), m) << "\n";
display(tout););
SASSERT(!congruent(n, n2));
}
@ -202,12 +202,12 @@ namespace smt {
bool context::check_missing_bool_enode_propagation() const {
for (enode* n : m_enodes) {
if (m_manager.is_bool(n->get_owner()) && get_assignment(n) == l_undef) {
if (m.is_bool(n->get_owner()) && get_assignment(n) == l_undef) {
enode * first = n;
do {
CTRACE("missing_propagation", get_assignment(n) != l_undef,
tout << mk_pp(first->get_owner(), m_manager) << "\nassignment: " << get_assignment(first) << "\n"
<< mk_pp(n->get_owner(), m_manager) << "\nassignment: " << get_assignment(n) << "\n";);
tout << mk_pp(first->get_owner(), m) << "\nassignment: " << get_assignment(first) << "\n"
<< mk_pp(n->get_owner(), m) << "\nassignment: " << get_assignment(n) << "\n";);
SASSERT(get_assignment(n) == l_undef);
n = n->get_next();
}
@ -239,18 +239,18 @@ namespace smt {
unsigned sz = m_asserted_formulas.get_num_formulas();
for (unsigned i = 0; i < sz; i++) {
expr * n = m_asserted_formulas.get_formula(i);
if (m_manager.is_or(n)) {
CTRACE("relevancy_bug", !is_relevant(n), tout << "n: " << mk_ismt2_pp(n, m_manager) << "\n";);
if (m.is_or(n)) {
CTRACE("relevancy_bug", !is_relevant(n), tout << "n: " << mk_ismt2_pp(n, m) << "\n";);
SASSERT(is_relevant(n));
TRACE("check_relevancy", tout << "checking:\n" << mk_ll_pp(n, m_manager) << "\n";);
TRACE("check_relevancy", tout << "checking:\n" << mk_ll_pp(n, m) << "\n";);
SASSERT(m_relevancy_propagator->check_relevancy_or(to_app(n), true));
}
else if (m_manager.is_not(n)) {
CTRACE("relevancy_bug", !is_relevant(to_app(n)->get_arg(0)), tout << "n: " << mk_ismt2_pp(n, m_manager) << "\n";);
else if (m.is_not(n)) {
CTRACE("relevancy_bug", !is_relevant(to_app(n)->get_arg(0)), tout << "n: " << mk_ismt2_pp(n, m) << "\n";);
SASSERT(is_relevant(to_app(n)->get_arg(0)));
}
else {
CTRACE("relevancy_bug", !is_relevant(n), tout << "n: " << mk_ismt2_pp(n, m_manager) << "\n";);
CTRACE("relevancy_bug", !is_relevant(n), tout << "n: " << mk_ismt2_pp(n, m) << "\n";);
SASSERT(is_relevant(n));
}
}
@ -263,11 +263,11 @@ namespace smt {
*/
bool context::check_eqc_bool_assignment() const {
for (enode* e : m_enodes) {
if (m_manager.is_bool(e->get_owner())) {
if (m.is_bool(e->get_owner())) {
enode * r = e->get_root();
CTRACE("eqc_bool", get_assignment(e) != get_assignment(r),
tout << "#" << e->get_owner_id() << "\n" << mk_pp(e->get_owner(), m_manager) << "\n";
tout << "#" << r->get_owner_id() << "\n" << mk_pp(r->get_owner(), m_manager) << "\n";
tout << "#" << e->get_owner_id() << "\n" << mk_pp(e->get_owner(), m) << "\n";
tout << "#" << r->get_owner_id() << "\n" << mk_pp(r->get_owner(), m) << "\n";
tout << "assignments: " << get_assignment(e) << " " << get_assignment(r) << "\n";
display(tout););
SASSERT(get_assignment(e) == get_assignment(r));
@ -301,19 +301,19 @@ namespace smt {
for (bool_var v = 0; v < num; v++) {
if (has_enode(v)) {
enode * n = bool_var2enode(v);
if (n->is_eq() && is_relevant(n) && get_assignment(v) == l_false && !m_manager.is_iff(n->get_owner())) {
TRACE("check_th_diseq_propagation", tout << "checking: #" << n->get_owner_id() << " " << mk_bounded_pp(n->get_owner(), m_manager) << "\n";);
if (n->is_eq() && is_relevant(n) && get_assignment(v) == l_false && !m.is_iff(n->get_owner())) {
TRACE("check_th_diseq_propagation", tout << "checking: #" << n->get_owner_id() << " " << mk_bounded_pp(n->get_owner(), m) << "\n";);
enode * lhs = n->get_arg(0)->get_root();
enode * rhs = n->get_arg(1)->get_root();
if (rhs->is_interpreted() && lhs->is_interpreted())
continue;
TRACE("check_th_diseq_propagation", tout << "num. theory_vars: " << lhs->get_num_th_vars() << " "
<< mk_pp(m_manager.get_sort(lhs->get_owner()), m_manager) << "\n";);
<< mk_pp(m.get_sort(lhs->get_owner()), m) << "\n";);
theory_var_list * l = lhs->get_th_var_list();
while (l) {
theory_id th_id = l->get_th_id();
theory * th = get_theory(th_id);
TRACE("check_th_diseq_propagation", tout << "checking theory: " << m_manager.get_family_name(th_id) << "\n";);
TRACE("check_th_diseq_propagation", tout << "checking theory: " << m.get_family_name(th_id) << "\n";);
// if the theory doesn't use diseqs, then the diseqs are not propagated.
if (th->use_diseqs() && rhs->get_th_var(th_id) != null_theory_var) {
bool found = false;
@ -323,7 +323,7 @@ namespace smt {
enode * lhs_prime = th->get_enode(eq.m_lhs)->get_root();
enode * rhs_prime = th->get_enode(eq.m_rhs)->get_root();
TRACE("check_th_diseq_propagation",
tout << m_manager.get_family_name(eq.m_th_id) << "\n";);
tout << m.get_family_name(eq.m_th_id) << "\n";);
if ((lhs == lhs_prime && rhs == rhs_prime) ||
(rhs == lhs_prime && lhs == rhs_prime)) {
@ -336,11 +336,11 @@ namespace smt {
if (!found) {
// missed theory diseq propagation
display(std::cout);
std::cout << "checking theory: " << m_manager.get_family_name(th_id) << "\n";
std::cout << "checking theory: " << m.get_family_name(th_id) << "\n";
std::cout << "root: #" << n->get_root()->get_owner_id() << " node: #" << n->get_owner_id() << "\n";
std::cout << mk_pp(n->get_owner(), m_manager) << "\n";
std::cout << mk_pp(n->get_owner(), m) << "\n";
std::cout << "lhs: #" << lhs->get_owner_id() << ", rhs: #" << rhs->get_owner_id() << "\n";
std::cout << mk_bounded_pp(lhs->get_owner(), m_manager) << " " << mk_bounded_pp(rhs->get_owner(), m_manager) << "\n";
std::cout << mk_bounded_pp(lhs->get_owner(), m) << " " << mk_bounded_pp(rhs->get_owner(), m) << "\n";
}
VERIFY(found);
}
@ -389,7 +389,6 @@ namespace smt {
if (!m_proto_model) {
return true;
}
ast_manager& m = m_manager;
for (literal lit : m_assigned_literals) {
if (!is_relevant(lit)) {
continue;

54
src/smt/smt_context_pp.cpp
View file

@ -98,14 +98,14 @@ namespace smt {
}
std::ostream& context::display_literals_verbose(std::ostream & out, unsigned num_lits, literal const * lits) const {
display_verbose(out, m_manager, num_lits, lits, m_bool_var2expr.c_ptr(), "\n"); return out;
display_verbose(out, m, num_lits, lits, m_bool_var2expr.c_ptr(), "\n"); return out;
}
std::ostream& context::display_literal_smt2(std::ostream& out, literal l) const {
if (l.sign())
out << " (not " << mk_bounded_pp(bool_var2expr(l.var()), m_manager, 10) << ") ";
out << " (not " << mk_bounded_pp(bool_var2expr(l.var()), m, 10) << ") ";
else
out << " " << mk_bounded_pp(bool_var2expr(l.var()), m_manager, 10) << " ";
out << " " << mk_bounded_pp(bool_var2expr(l.var()), m, 10) << " ";
return out;
}
@ -144,7 +144,7 @@ namespace smt {
void context::display_enode_defs(std::ostream & out) const {
for (enode * x : m_enodes) {
expr * n = x->get_owner();
ast_def_ll_pp(out, m_manager, n, get_pp_visited(), true, false);
ast_def_ll_pp(out, m, n, get_pp_visited(), true, false);
}
}
@ -152,7 +152,7 @@ namespace smt {
unsigned num = get_num_bool_vars();
for (unsigned v = 0; v < num; v++) {
expr * n = m_bool_var2expr[v];
ast_def_ll_pp(out, m_manager, n, get_pp_visited(), true, false);
ast_def_ll_pp(out, m, n, get_pp_visited(), true, false);
}
}
@ -162,18 +162,18 @@ namespace smt {
display_literal(out, l);
out << ", val: " << get_assignment(l) << ", lvl: " << get_assign_level(l)
<< ", ilvl: " << get_intern_level(l.var()) << ", var: " << l.var() << "\n"
<< mk_pp(bool_var2expr(l.var()), m_manager) << "\n\n";
<< mk_bounded_pp(bool_var2expr(l.var()), m, 2) << "\n\n";
}
return out;
}
std::ostream& context::display_clause(std::ostream & out, clause const * cls) const {
cls->display_compact(out, m_manager, m_bool_var2expr.c_ptr());
cls->display_compact(out, m, m_bool_var2expr.c_ptr());
return out;
}
std::ostream& context::display_clause_smt2(std::ostream & out, clause const& cls) const {
cls.display_smt2(out, m_manager, m_bool_var2expr.c_ptr());
cls.display_smt2(out, m, m_bool_var2expr.c_ptr());
return out;
}
@ -200,11 +200,11 @@ namespace smt {
out << "binary clauses:\n";
first = false;
}
expr_ref t1(m_manager), t2(m_manager);
expr_ref t1(m), t2(m);
literal2expr(neg_l1, t1);
literal2expr(l2, t2);
expr_ref disj(m_manager.mk_or(t1, t2), m_manager);
out << disj << "\n";
expr_ref disj(m.mk_or(t1, t2), m);
out << mk_bounded_pp(disj, m, 3) << "\n";
#if 0
out << "(clause ";
display_literal(out, neg_l1);
@ -225,23 +225,23 @@ namespace smt {
display_literal(out, lit);
if (!is_relevant(lit)) out << " n ";
out << ": ";
display_verbose(out, m_manager, 1, &lit, m_bool_var2expr.c_ptr());
display_verbose(out, m, 1, &lit, m_bool_var2expr.c_ptr());
out << "\n";
}
}
}
void context::display_assignment_as_smtlib2(std::ostream& out, symbol const& logic) const {
ast_smt_pp pp(m_manager);
ast_smt_pp pp(m);
pp.set_benchmark_name("lemma");
pp.set_status("unknown");
pp.set_logic(logic);
for (literal lit : m_assigned_literals) {
expr_ref n(m_manager);
expr_ref n(m);
literal2expr(lit, n);
pp.add_assumption(n);
}
pp.display_smt2(out, m_manager.mk_true());
pp.display_smt2(out, m.mk_true());
}
void context::display_eqc(std::ostream & out) const {
@ -255,7 +255,7 @@ namespace smt {
first = false;
}
out << "#" << n->get_id() << " -> #" << r->get_id() << ": ";
out << mk_pp(n, m_manager) << " -> " << mk_pp(r, m_manager) << "\n";
out << mk_pp(n, m) << " -> " << mk_pp(r, m) << "\n";
}
}
}
@ -373,7 +373,7 @@ namespace smt {
void context::display_unsat_core(std::ostream & out) const {
for (expr* c : m_unsat_core) {
out << mk_pp(c, m_manager) << "\n";
out << mk_pp(c, m) << "\n";
}
}
@ -426,10 +426,10 @@ namespace smt {
}
void context::display_lemma_as_smt_problem(std::ostream & out, unsigned num_antecedents, literal const * antecedents, literal consequent, symbol const& logic) const {
ast_pp_util visitor(m_manager);
expr_ref_vector fmls(m_manager);
ast_pp_util visitor(m);
expr_ref_vector fmls(m);
visitor.collect(fmls);
expr_ref n(m_manager);
expr_ref n(m);
for (unsigned i = 0; i < num_antecedents; i++) {
literal l = antecedents[i];
literal2expr(l, n);
@ -459,10 +459,10 @@ namespace smt {
void context::display_lemma_as_smt_problem(std::ostream & out, unsigned num_antecedents, literal const * antecedents,
unsigned num_eq_antecedents, enode_pair const * eq_antecedents,
literal consequent, symbol const& logic) const {
ast_pp_util visitor(m_manager);
expr_ref_vector fmls(m_manager);
ast_pp_util visitor(m);
expr_ref_vector fmls(m);
visitor.collect(fmls);
expr_ref n(m_manager);
expr_ref n(m);
for (unsigned i = 0; i < num_antecedents; i++) {
literal l = antecedents[i];
literal2expr(l, n);
@ -470,7 +470,7 @@ namespace smt {
}
for (unsigned i = 0; i < num_eq_antecedents; i++) {
enode_pair const & p = eq_antecedents[i];
n = m_manager.mk_eq(p.first->get_owner(), p.second->get_owner());
n = m.mk_eq(p.first->get_owner(), p.second->get_owner());
fmls.push_back(n);
}
if (consequent != false_literal) {
@ -564,7 +564,7 @@ namespace smt {
out.width(6);
out << std::left << n->get_id();
out << ", relevant: " << is_relevant(n);
if (m_manager.is_bool(n)) {
if (m.is_bool(n)) {
out << ", val: ";
out.width(7);
out << std::right;
@ -615,8 +615,8 @@ namespace smt {
}
void context::trace_assign(literal l, b_justification j, bool decision) const {
SASSERT(m_manager.has_trace_stream());
std::ostream & out = m_manager.trace_stream();
SASSERT(m.has_trace_stream());
std::ostream & out = m.trace_stream();
out << "[assign] ";
display_literal(out, l);
if (decision)

35
src/smt/smt_context_stat.cpp
View file

@ -25,10 +25,9 @@ namespace smt {
if (m_lemmas.empty())
return 0;
unsigned long long acc = 0;
clause_vector::const_iterator it = m_lemmas.begin();
clause_vector::const_iterator end = m_lemmas.end();
for (; it != end; ++it)
acc += (*it)->get_activity();
for (clause const* cp : m_lemmas) {
acc += cp->get_activity();
}
return static_cast<unsigned>(acc / m_lemmas.size());
}
@ -39,10 +38,9 @@ namespace smt {
}
static void acc_num_occs(clause_vector const & v, unsigned_vector & lit2num_occs) {
clause_vector::const_iterator it = v.begin();
clause_vector::const_iterator end = v.end();
for (; it != end; ++it)
acc_num_occs(*it, lit2num_occs);
for (auto cp : v) {
acc_num_occs(cp, lit2num_occs);
}
}
void context::display_literal_num_occs(std::ostream & out) const {
@ -56,7 +54,7 @@ namespace smt {
if (lit2num_occs[lidx] > 0) {
out << lit2num_occs[lidx] << " ";
// display_literal(out, l);
out << l.sign() << " " << mk_pp(bool_var2expr(l.var()), m_manager);
out << l.sign() << " " << mk_pp(bool_var2expr(l.var()), m);
out << "\n";
}
}
@ -64,11 +62,8 @@ namespace smt {
void context::display_num_assigned_literals_per_lvl(std::ostream & out) const {
unsigned n = 0;
svector<scope>::const_iterator it = m_scopes.begin();
svector<scope>::const_iterator end = m_scopes.end();
out << "[";
for (; it != end; ++it) {
scope const & s = *it;
for (scope const& s : m_scopes) {
SASSERT(n <= s.m_assigned_literals_lim);
out << (s.m_assigned_literals_lim - n) << " ";
n = s.m_assigned_literals_lim;
@ -84,10 +79,9 @@ namespace smt {
}
static void acc_var_num_occs(clause_vector const & v, unsigned_vector & var2num_occs) {
clause_vector::const_iterator it = v.begin();
clause_vector::const_iterator end = v.end();
for (; it != end; ++it)
acc_var_num_occs(*it, var2num_occs);
for (auto const& n : v) {
acc_var_num_occs(n, var2num_occs);
}
}
void context::display_var_occs_histogram(std::ostream & out) const {
@ -122,10 +116,9 @@ namespace smt {
}
static void acc_var_num_min_occs(clause_vector const & v, unsigned_vector & var2num_min_occs) {
clause_vector::const_iterator it = v.begin();
clause_vector::const_iterator end = v.end();
for (; it != end; ++it)
acc_var_num_min_occs(*it, var2num_min_occs);
for (auto const& c : v) {
acc_var_num_min_occs(c, var2num_min_occs);
}
}
void context::display_num_min_occs(std::ostream & out) const {

194
src/smt/smt_internalizer.cpp
View file

@ -110,7 +110,7 @@ namespace smt {
if (is_quantifier(n))
return true;
SASSERT(is_app(n));
if (m_manager.is_bool(n)) {
if (m.is_bool(n)) {
if (b_internalized(n))
return true;
}
@ -137,13 +137,13 @@ namespace smt {
SASSERT(def_int);
if (m_manager.is_term_ite(n)) {
if (m.is_term_ite(n)) {
ts_visit_child(to_app(n)->get_arg(0), true, tcolors, fcolors, todo, visited);
ts_visit_child(to_app(n)->get_arg(1), false, tcolors, fcolors, todo, visited);
ts_visit_child(to_app(n)->get_arg(2), false, tcolors, fcolors, todo, visited);
return visited;
}
bool new_gate_ctx = m_manager.is_bool(n) && (is_gate(m_manager, n) || m_manager.is_not(n));
bool new_gate_ctx = m.is_bool(n) && (is_gate(m, n) || m.is_not(n));
unsigned j = to_app(n)->get_num_args();
while (j > 0) {
--j;
@ -170,7 +170,7 @@ namespace smt {
case Grey:
SASSERT(ts_visit_children(curr, gate_ctx, tcolors, fcolors, todo));
set_color(tcolors, fcolors, curr, gate_ctx, Black);
if (n != curr && !m_manager.is_not(curr))
if (n != curr && !m.is_not(curr))
sorted_exprs.push_back(expr_bool_pair(curr, gate_ctx));
break;
case Black:
@ -190,8 +190,8 @@ namespace smt {
\remark pr is 0 if proofs are disabled.
*/
void context::internalize_assertion(expr * n, proof * pr, unsigned generation) {
TRACE("internalize_assertion", tout << mk_pp(n, m_manager) << "\n";);
TRACE("internalize_assertion_ll", tout << mk_ll_pp(n, m_manager) << "\n";);
TRACE("internalize_assertion", tout << mk_pp(n, m) << "\n";);
TRACE("internalize_assertion_ll", tout << mk_ll_pp(n, m) << "\n";);
TRACE("generation", tout << "generation: " << m_generation << "\n";);
TRACE("incompleteness_bug", tout << "[internalize-assertion]: #" << n->get_id() << "\n";);
flet<unsigned> l(m_generation, generation);
@ -201,7 +201,7 @@ namespace smt {
// stack overflow.
// a caveat is that theory internalizers do rely on recursive descent so
// internalization over these follows top-down
TRACE("deep_internalize", tout << "expression is deep: #" << n->get_id() << "\n" << mk_ll_pp(n, m_manager););
TRACE("deep_internalize", tout << "expression is deep: #" << n->get_id() << "\n" << mk_ll_pp(n, m););
svector<expr_bool_pair> sorted_exprs;
top_sort_expr(n, sorted_exprs);
TRACE("deep_internalize", for (auto & kv : sorted_exprs) tout << "#" << kv.first->get_id() << " " << kv.second << "\n"; );
@ -209,12 +209,12 @@ namespace smt {
expr* e = kv.first;
if (!is_app(e) ||
to_app(e)->get_family_id() == null_family_id ||
to_app(e)->get_family_id() == m_manager.get_basic_family_id())
to_app(e)->get_family_id() == m.get_basic_family_id())
internalize(e, kv.second);
}
}
SASSERT(m_manager.is_bool(n));
if (is_gate(m_manager, n)) {
SASSERT(m.is_bool(n));
if (is_gate(m, n)) {
switch(to_app(n)->get_decl_kind()) {
case OP_AND: {
for (expr * arg : *to_app(n)) {
@ -265,7 +265,7 @@ namespace smt {
}
mark_as_relevant(n);
}
else if (m_manager.is_distinct(n)) {
else if (m.is_distinct(n)) {
assert_distinct(to_app(n), pr);
mark_as_relevant(n);
}
@ -291,22 +291,22 @@ namespace smt {
#define DISTINCT_SZ_THRESHOLD 32
void context::assert_distinct(app * n, proof * pr) {
TRACE("assert_distinct", tout << mk_pp(n, m_manager) << "\n";);
TRACE("assert_distinct", tout << mk_pp(n, m) << "\n";);
unsigned num_args = n->get_num_args();
if (num_args == 0 || num_args <= DISTINCT_SZ_THRESHOLD || m_manager.proofs_enabled()) {
if (num_args == 0 || num_args <= DISTINCT_SZ_THRESHOLD || m.proofs_enabled()) {
assert_default(n, pr);
return;
}
sort * s = m_manager.get_sort(n->get_arg(0));
sort_ref u(m_manager.mk_fresh_sort("distinct-elems"), m_manager);
func_decl_ref f(m_manager.mk_fresh_func_decl("distinct-aux-f", "", 1, &s, u), m_manager);
sort * s = m.get_sort(n->get_arg(0));
sort_ref u(m.mk_fresh_sort("distinct-elems"), m);
func_decl_ref f(m.mk_fresh_func_decl("distinct-aux-f", "", 1, &s, u), m);
for (expr * arg : *n) {
app_ref fapp(m_manager.mk_app(f, arg), m_manager);
app_ref val(m_manager.mk_fresh_const("unique-value", u), m_manager);
app_ref fapp(m.mk_app(f, arg), m);
app_ref val(m.mk_fresh_const("unique-value", u), m);
enode * e = mk_enode(val, false, false, true);
e->mark_as_interpreted();
app_ref eq(m_manager.mk_eq(fapp, val), m_manager);
TRACE("assert_distinct", tout << "eq: " << mk_pp(eq, m_manager) << "\n";);
app_ref eq(m.mk_eq(fapp, val), m);
TRACE("assert_distinct", tout << "eq: " << mk_pp(eq, m) << "\n";);
assert_default(eq, nullptr);
mark_as_relevant(eq.get());
// TODO: we may want to hide the auxiliary values val and the function f from the model.
@ -331,12 +331,12 @@ namespace smt {
- gate_ctx is true if the expression is in the context of a logical gate.
*/
void context::internalize(expr * n, bool gate_ctx) {
TRACE("internalize", tout << "internalizing:\n" << mk_pp(n, m_manager) << "\n";);
TRACE("internalize_bug", tout << "internalizing:\n" << mk_bounded_pp(n, m_manager) << "\n";);
TRACE("internalize", tout << "internalizing:\n" << mk_pp(n, m) << "\n";);
TRACE("internalize_bug", tout << "internalizing:\n" << mk_bounded_pp(n, m) << "\n";);
if (is_var(n)) {
throw default_exception("Formulas should not contain unbound variables");
}
if (m_manager.is_bool(n)) {
if (m.is_bool(n)) {
SASSERT(is_quantifier(n) || is_app(n));
internalize_formula(n, gate_ctx);
}
@ -355,12 +355,12 @@ namespace smt {
\brief Internalize the given formula into the logical context.
*/
void context::internalize_formula(expr * n, bool gate_ctx) {
TRACE("internalize_bug", tout << "internalize formula: #" << n->get_id() << ", gate_ctx: " << gate_ctx << "\n" << mk_pp(n, m_manager) << "\n";);
SASSERT(m_manager.is_bool(n));
if (m_manager.is_true(n) || m_manager.is_false(n))
TRACE("internalize_bug", tout << "internalize formula: #" << n->get_id() << ", gate_ctx: " << gate_ctx << "\n" << mk_pp(n, m) << "\n";);
SASSERT(m.is_bool(n));
if (m.is_true(n) || m.is_false(n))
return;
if (m_manager.is_not(n) && gate_ctx) {
if (m.is_not(n) && gate_ctx) {
// a boolean variable does not need to be created if n a NOT gate is in
// the context of a gate.
internalize(to_app(n)->get_arg(0), true);
@ -396,9 +396,9 @@ namespace smt {
return;
}
if (m_manager.is_eq(n) && !m_manager.is_iff(n))
if (m.is_eq(n) && !m.is_iff(n))
internalize_eq(to_app(n), gate_ctx);
else if (m_manager.is_distinct(n))
else if (m.is_distinct(n))
internalize_distinct(to_app(n), gate_ctx);
else if (is_app(n) && internalize_theory_atom(to_app(n), gate_ctx))
return;
@ -412,15 +412,15 @@ namespace smt {
\brief Internalize an equality.
*/
void context::internalize_eq(app * n, bool gate_ctx) {
TRACE("internalize", tout << mk_pp(n, m_manager) << "\n";);
TRACE("internalize", tout << mk_pp(n, m) << "\n";);
SASSERT(!b_internalized(n));
SASSERT(m_manager.is_eq(n));
SASSERT(m.is_eq(n));
internalize_formula_core(n, gate_ctx);
bool_var v = get_bool_var(n);
bool_var_data & d = get_bdata(v);
d.set_eq_flag();
sort * s = m_manager.get_sort(n->get_arg(0));
sort * s = m.get_sort(n->get_arg(0));
theory * th = m_theories.get_plugin(s->get_family_id());
if (th)
th->internalize_eq_eh(n, v);
@ -430,10 +430,10 @@ namespace smt {
\brief Internalize distinct constructor.
*/
void context::internalize_distinct(app * n, bool gate_ctx) {
TRACE("distinct", tout << "internalizing distinct: " << mk_pp(n, m_manager) << "\n";);
TRACE("distinct", tout << "internalizing distinct: " << mk_pp(n, m) << "\n";);
SASSERT(!b_internalized(n));
SASSERT(m_manager.is_distinct(n));
expr_ref def(m_manager.mk_distinct_expanded(n->get_num_args(), n->get_args()), m_manager);
SASSERT(m.is_distinct(n));
expr_ref def(m.mk_distinct_expanded(n->get_num_args(), n->get_args()), m);
internalize(def, true);
bool_var v = mk_bool_var(n);
literal l(v);
@ -456,10 +456,10 @@ namespace smt {
bool context::internalize_theory_atom(app * n, bool gate_ctx) {
SASSERT(!b_internalized(n));
theory * th = m_theories.get_plugin(n->get_family_id());
TRACE("datatype_bug", tout << "internalizing theory atom:\n" << mk_pp(n, m_manager) << "\n";);
TRACE("datatype_bug", tout << "internalizing theory atom:\n" << mk_pp(n, m) << "\n";);
if (!th || !th->internalize_atom(n, gate_ctx))
return false;
TRACE("datatype_bug", tout << "internalization succeeded\n" << mk_pp(n, m_manager) << "\n";);
TRACE("datatype_bug", tout << "internalization succeeded\n" << mk_pp(n, m) << "\n";);
SASSERT(b_internalized(n));
TRACE("internalize_theory_atom", tout << "internalizing theory atom: #" << n->get_id() << "\n";);
bool_var v = get_bool_var(n);
@ -524,8 +524,8 @@ namespace smt {
context.
*/
void context::internalize_quantifier(quantifier * q, bool gate_ctx) {
TRACE("internalize_quantifier", tout << mk_pp(q, m_manager) << "\n";);
CTRACE("internalize_quantifier_zero", q->get_weight() == 0, tout << mk_pp(q, m_manager) << "\n";);
TRACE("internalize_quantifier", tout << mk_pp(q, m) << "\n";);
CTRACE("internalize_quantifier_zero", q->get_weight() == 0, tout << mk_pp(q, m) << "\n";);
SASSERT(gate_ctx); // limitation of the current implementation
SASSERT(!b_internalized(q));
SASSERT(is_forall(q));
@ -543,22 +543,22 @@ namespace smt {
}
void context::internalize_lambda(quantifier * q) {
TRACE("internalize_quantifier", tout << mk_pp(q, m_manager) << "\n";);
TRACE("internalize_quantifier", tout << mk_pp(q, m) << "\n";);
SASSERT(is_lambda(q));
app_ref lam_name(m_manager.mk_fresh_const("lambda", m_manager.get_sort(q)), m_manager);
app_ref eq(m_manager), lam_app(m_manager);
expr_ref_vector vars(m_manager);
app_ref lam_name(m.mk_fresh_const("lambda", m.get_sort(q)), m);
app_ref eq(m), lam_app(m);
expr_ref_vector vars(m);
vars.push_back(lam_name);
unsigned sz = q->get_num_decls();
for (unsigned i = 0; i < sz; ++i) {
vars.push_back(m_manager.mk_var(sz - i - 1, q->get_decl_sort(i)));
vars.push_back(m.mk_var(sz - i - 1, q->get_decl_sort(i)));
}
array_util autil(m_manager);
array_util autil(m);
lam_app = autil.mk_select(vars.size(), vars.c_ptr());
eq = m_manager.mk_eq(lam_app, q->get_expr());
quantifier_ref fa(m_manager);
expr * patterns[1] = { m_manager.mk_pattern(lam_app) };
fa = m_manager.mk_forall(sz, q->get_decl_sorts(), q->get_decl_names(), eq, 0, m_manager.lambda_def_qid(), symbol::null, 1, patterns);
eq = m.mk_eq(lam_app, q->get_expr());
quantifier_ref fa(m);
expr * patterns[1] = { m.mk_pattern(lam_app) };
fa = m.mk_forall(sz, q->get_decl_sorts(), q->get_decl_names(), eq, 0, m.lambda_def_qid(), symbol::null, 1, patterns);
internalize_quantifier(fa, true);
if (!e_internalized(lam_name)) internalize_uninterpreted(lam_name);
m_app2enode.setx(q->get_id(), get_enode(lam_name), nullptr);
@ -571,15 +571,15 @@ namespace smt {
SASSERT(!b_internalized(n));
SASSERT(!e_internalized(n));
CTRACE("resolve_conflict_crash", m_manager.is_not(n), tout << mk_ismt2_pp(n, m_manager) << "\ngate_ctx: " << gate_ctx << "\n";);
CTRACE("resolve_conflict_crash", m.is_not(n), tout << mk_ismt2_pp(n, m) << "\ngate_ctx: " << gate_ctx << "\n";);
bool _is_gate = is_gate(m_manager, n) || m_manager.is_not(n);
bool _is_gate = is_gate(m, n) || m.is_not(n);
// process args
for (expr * arg : *n) {
internalize(arg, _is_gate);
}
CTRACE("internalize_bug", b_internalized(n), tout << mk_ll_pp(n, m_manager) << "\n";);
CTRACE("internalize_bug", b_internalized(n), tout << mk_ll_pp(n, m) << "\n";);
bool is_new_var = false;
bool_var v;
@ -602,7 +602,7 @@ namespace smt {
// 1) it is not in the context of a gate, or
// 2) it has arguments and it is not a gate (i.e., uninterpreted predicate or equality).
if (!e_internalized(n) && (!gate_ctx || (!_is_gate && n->get_num_args() > 0))) {
bool suppress_args = _is_gate || m_manager.is_not(n);
bool suppress_args = _is_gate || m.is_not(n);
bool merge_tf = !gate_ctx;
mk_enode(n, suppress_args, merge_tf, true);
set_enode_flag(v, is_new_var);
@ -617,7 +617,7 @@ namespace smt {
// Now, if v is assigned before being associated with an enode, then
// v is not going to be inserted in m_atom_propagation_queue, and
// propagate_bool_var_enode() method is not going to be invoked for v.
if (is_new_var && n->get_family_id() == m_manager.get_basic_family_id()) {
if (is_new_var && n->get_family_id() == m.get_basic_family_id()) {
switch (n->get_decl_kind()) {
case OP_NOT:
SASSERT(!gate_ctx);
@ -632,7 +632,7 @@ namespace smt {
add_or_rel_watches(to_app(n));
break;
case OP_EQ:
if (m_manager.is_iff(n))
if (m.is_iff(n))
mk_iff_cnstr(to_app(n));
break;
case OP_ITE:
@ -758,7 +758,7 @@ namespace smt {
return;
}
if (m_manager.is_term_ite(n)) {
if (m.is_term_ite(n)) {
internalize_ite_term(n);
return; // it is not necessary to apply sort constraint
}
@ -781,8 +781,8 @@ namespace smt {
expr * c = n->get_arg(0);
expr * t = n->get_arg(1);
expr * e = n->get_arg(2);
app_ref eq1(mk_eq_atom(n, t), m_manager);
app_ref eq2(mk_eq_atom(n, e), m_manager);
app_ref eq1(mk_eq_atom(n, t), m);
app_ref eq2(mk_eq_atom(n, e), m);
mk_enode(n,
true /* suppress arguments, I don't want to apply CC on ite terms */,
false /* it is a term, so it should not be merged with true/false */,
@ -796,12 +796,12 @@ namespace smt {
literal eq1_lit = get_literal(eq1);
literal eq2_lit = get_literal(eq2);
TRACE("internalize_ite_term_bug",
tout << mk_ismt2_pp(n, m_manager) << "\n";
tout << mk_ismt2_pp(c, m_manager) << "\n";
tout << mk_ismt2_pp(t, m_manager) << "\n";
tout << mk_ismt2_pp(e, m_manager) << "\n";
tout << mk_ismt2_pp(eq1, m_manager) << "\n";
tout << mk_ismt2_pp(eq2, m_manager) << "\n";
tout << mk_ismt2_pp(n, m) << "\n";
tout << mk_ismt2_pp(c, m) << "\n";
tout << mk_ismt2_pp(t, m) << "\n";
tout << mk_ismt2_pp(e, m) << "\n";
tout << mk_ismt2_pp(eq1, m) << "\n";
tout << mk_ismt2_pp(eq2, m) << "\n";
tout << "literals:\n" << c_lit << " " << eq1_lit << " " << eq2_lit << "\n";);
mk_gate_clause(~c_lit, eq1_lit);
mk_gate_clause( c_lit, eq2_lit);
@ -851,7 +851,7 @@ namespace smt {
*/
bool_var context::mk_bool_var(expr * n) {
SASSERT(!b_internalized(n));
//SASSERT(!m_manager.is_not(n));
//SASSERT(!m.is_not(n));
unsigned id = n->get_id();
bool_var v = m_b_internalized_stack.size();
#ifndef _EXTERNAL_RELEASE
@ -859,13 +859,13 @@ namespace smt {
char const * header = "(iff z3@";
int id_sz = 6;
std::cerr.width(id_sz);
std::cerr << header << std::left << v << " " << mk_pp(n, m_manager, static_cast<unsigned>(strlen(header)) + id_sz + 1) << ")\n";
std::cerr << header << std::left << v << " " << mk_pp(n, m, static_cast<unsigned>(strlen(header)) + id_sz + 1) << ")\n";
}
if (m_fparams.m_display_ll_bool_var2expr) {
std::cerr << v << " ::=\n" << mk_ll_pp(n, m_manager) << "<END-OF-FORMULA>\n";
std::cerr << v << " ::=\n" << mk_ll_pp(n, m) << "<END-OF-FORMULA>\n";
}
#endif
TRACE("mk_bool_var", tout << "creating boolean variable: " << v << " for:\n" << mk_pp(n, m_manager) << " " << n->get_id() << "\n";);
TRACE("mk_bool_var", tout << "creating boolean variable: " << v << " for:\n" << mk_pp(n, m) << " " << n->get_id() << "\n";);
TRACE("mk_var_bug", tout << "mk_bool: " << v << "\n";);
set_bool_var(id, v);
m_bdata.reserve(v+1);
@ -909,7 +909,7 @@ namespace smt {
unsigned n_id = n->get_id();
bool_var v = get_bool_var_of_id(n_id);
m_bool_var2expr[v] = nullptr;
TRACE("undo_mk_bool_var", tout << "undo_bool: " << v << "\n" << mk_pp(n, m_manager) << "\n" << "m_bdata.size: " << m_bdata.size()
TRACE("undo_mk_bool_var", tout << "undo_bool: " << v << "\n" << mk_pp(n, m) << "\n" << "m_bdata.size: " << m_bdata.size()
<< " m_assignment.size: " << m_assignment.size() << "\n";);
TRACE("mk_var_bug", tout << "undo_mk_bool: " << v << "\n";);
// bool_var_data & d = m_bdata[v];
@ -927,7 +927,7 @@ namespace smt {
in the egraph.
*/
enode * context::mk_enode(app * n, bool suppress_args, bool merge_tf, bool cgc_enabled) {
TRACE("mk_enode_detail", tout << mk_pp(n, m_manager) << "\nsuppress_args: " << suppress_args << ", merge_tf: " <<
TRACE("mk_enode_detail", tout << mk_pp(n, m) << "\nsuppress_args: " << suppress_args << ", merge_tf: " <<
merge_tf << ", cgc_enabled: " << cgc_enabled << "\n";);
SASSERT(!e_internalized(n));
unsigned id = n->get_id();
@ -938,9 +938,9 @@ namespace smt {
CTRACE("cached_generation", generation != m_generation,
tout << "cached_generation: #" << n->get_id() << " " << generation << " " << m_generation << "\n";);
}
enode * e = enode::mk(m_manager, m_region, m_app2enode, n, generation, suppress_args, merge_tf, m_scope_lvl, cgc_enabled, true);
enode * e = enode::mk(m, m_region, m_app2enode, n, generation, suppress_args, merge_tf, m_scope_lvl, cgc_enabled, true);
TRACE("mk_enode_detail", tout << "e.get_num_args() = " << e->get_num_args() << "\n";);
if (n->get_num_args() == 0 && m_manager.is_unique_value(n))
if (n->get_num_args() == 0 && m.is_unique_value(n))
e->mark_as_interpreted();
TRACE("mk_var_bug", tout << "mk_enode: " << id << "\n";);
TRACE("generation", tout << "mk_enode: " << id << " " << generation << "\n";);
@ -980,14 +980,14 @@ namespace smt {
}
SASSERT(e_internalized(n));
m_stats.m_num_mk_enode++;
TRACE("mk_enode", tout << "created enode: #" << e->get_owner_id() << " for:\n" << mk_pp(n, m_manager) << "\n";
TRACE("mk_enode", tout << "created enode: #" << e->get_owner_id() << " for:\n" << mk_pp(n, m) << "\n";
if (e->get_num_args() > 0) {
tout << "is_true_eq: " << e->is_true_eq() << " in cg_table: " << m_cg_table.contains_ptr(e) << " is_cgr: "
<< e->is_cgr() << "\n";
});
if (m_manager.has_trace_stream())
m_manager.trace_stream() << "[attach-enode] #" << n->get_id() << " " << m_generation << "\n";
if (m.has_trace_stream())
m.trace_stream() << "[attach-enode] #" << n->get_id() << " " << m_generation << "\n";
return e;
}
@ -996,7 +996,7 @@ namespace smt {
SASSERT(!m_e_internalized_stack.empty());
m_stats.m_num_del_enode++;
expr * n = m_e_internalized_stack.back();
TRACE("undo_mk_enode", tout << "undo_enode: #" << n->get_id() << "\n" << mk_pp(n, m_manager) << "\n";);
TRACE("undo_mk_enode", tout << "undo_enode: #" << n->get_id() << "\n" << mk_pp(n, m) << "\n";);
TRACE("mk_var_bug", tout << "undo_mk_enode: " << n->get_id() << "\n";);
unsigned n_id = n->get_id();
SASSERT(is_app(n));
@ -1012,7 +1012,7 @@ namespace smt {
SASSERT(m_decl2enodes[decl_id].back() == e);
m_decl2enodes[decl_id].pop_back();
}
e->del_eh(m_manager);
e->del_eh(m);
SASSERT(m_e_internalized_stack.size() == m_enodes.size());
m_enodes.pop_back();
m_e_internalized_stack.pop_back();
@ -1033,15 +1033,15 @@ namespace smt {
\brief Return the literal associated with n.
*/
literal context::get_literal(expr * n) const {
if (m_manager.is_not(n)) {
CTRACE("get_literal_bug", !b_internalized(to_app(n)->get_arg(0)), tout << mk_ll_pp(n, m_manager) << "\n";);
if (m.is_not(n)) {
CTRACE("get_literal_bug", !b_internalized(to_app(n)->get_arg(0)), tout << mk_ll_pp(n, m) << "\n";);
SASSERT(b_internalized(to_app(n)->get_arg(0)));
return literal(get_bool_var(to_app(n)->get_arg(0)), true);
}
else if (m_manager.is_true(n)) {
else if (m.is_true(n)) {
return true_literal;
}
else if (m_manager.is_false(n)) {
else if (m.is_false(n)) {
return false_literal;
}
else {
@ -1378,7 +1378,7 @@ namespace smt {
bool save_atoms = lemma && iscope_lvl > m_base_lvl;
bool reinit = save_atoms;
SASSERT(!lemma || j == 0 || !j->in_region());
clause * cls = clause::mk(m_manager, num_lits, lits, k, j, del_eh, save_atoms, m_bool_var2expr.c_ptr());
clause * cls = clause::mk(m, num_lits, lits, k, j, del_eh, save_atoms, m_bool_var2expr.c_ptr());
m_clause_proof.add(*cls);
if (lemma) {
cls->set_activity(activity);
@ -1455,7 +1455,7 @@ namespace smt {
justification * js = nullptr;
TRACE("mk_th_axiom", display_literals_verbose(tout, num_lits, lits) << "\n";);
if (m_manager.proofs_enabled()) {
if (m.proofs_enabled()) {
js = mk_justification(theory_axiom_justification(tid, m_region, num_lits, lits, num_params, params));
}
if (m_fparams.m_smtlib_dump_lemmas) {
@ -1483,20 +1483,20 @@ namespace smt {
literal l = lits[i];
bool_var v = l.var();
expr * atom = m_bool_var2expr[v];
new_lits.push_back(l.sign() ? m_manager.mk_not(atom) : atom);
new_lits.push_back(l.sign() ? m.mk_not(atom) : atom);
}
if (root_gate)
new_lits.push_back(m_manager.mk_not(root_gate));
new_lits.push_back(m.mk_not(root_gate));
SASSERT(num_lits > 1);
expr * fact = m_manager.mk_or(new_lits.size(), new_lits.c_ptr());
return m_manager.mk_def_axiom(fact);
expr * fact = m.mk_or(new_lits.size(), new_lits.c_ptr());
return m.mk_def_axiom(fact);
}
void context::mk_gate_clause(unsigned num_lits, literal * lits) {
if (m_manager.proofs_enabled()) {
if (m.proofs_enabled()) {
proof * pr = mk_clause_def_axiom(num_lits, lits, nullptr);
TRACE("gate_clause", tout << mk_ll_pp(pr, m_manager););
TRACE("gate_clause", tout << mk_ll_pp(pr, m););
mk_clause(num_lits, lits, mk_justification(justification_proof_wrapper(*this, pr)));
}
else {
@ -1520,15 +1520,15 @@ namespace smt {
}
void context::mk_root_clause(unsigned num_lits, literal * lits, proof * pr) {
if (m_manager.proofs_enabled()) {
SASSERT(m_manager.get_fact(pr));
expr * fact = m_manager.get_fact(pr);
if (!m_manager.is_or(fact)) {
proof * def = mk_clause_def_axiom(num_lits, lits, m_manager.get_fact(pr));
TRACE("gate_clause", tout << mk_ll_pp(def, m_manager) << "\n";
tout << mk_ll_pp(pr, m_manager););
if (m.proofs_enabled()) {
SASSERT(m.get_fact(pr));
expr * fact = m.get_fact(pr);
if (!m.is_or(fact)) {
proof * def = mk_clause_def_axiom(num_lits, lits, m.get_fact(pr));
TRACE("gate_clause", tout << mk_ll_pp(def, m) << "\n";
tout << mk_ll_pp(pr, m););
proof * prs[2] = { def, pr };
pr = m_manager.mk_unit_resolution(2, prs);
pr = m.mk_unit_resolution(2, prs);
}
mk_clause(num_lits, lits, mk_justification(justification_proof_wrapper(*this, pr)));
}