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refactor theory_str: all library-aware/high-level terms are in one worklist

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This commit is contained in:
Murphy Berzish 2017-02-14 18:44:40 -05:00
parent 3e714075c4
commit d5b1e4b015
2 changed files with 31 additions and 77 deletions
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104
src/smt/theory_str.cpp
View file

@ -805,11 +805,9 @@ expr * theory_str::mk_concat(expr * n1, expr * n2) {
}
bool theory_str::can_propagate() {
return !m_basicstr_axiom_todo.empty() || !m_str_eq_todo.empty() || !m_concat_axiom_todo.empty() || !m_concat_eval_todo.empty()
|| !m_axiom_CharAt_todo.empty() || !m_axiom_StartsWith_todo.empty() || !m_axiom_EndsWith_todo.empty()
|| !m_axiom_Contains_todo.empty() || !m_axiom_Indexof_todo.empty() || !m_axiom_Indexof2_todo.empty() || !m_axiom_LastIndexof_todo.empty()
|| !m_axiom_Substr_todo.empty() || !m_axiom_Replace_todo.empty()
|| !m_axiom_RegexIn_todo.empty() || !m_library_aware_axiom_todo.empty()
return !m_basicstr_axiom_todo.empty() || !m_str_eq_todo.empty()
|| !m_concat_axiom_todo.empty() || !m_concat_eval_todo.empty()
|| !m_library_aware_axiom_todo.empty()
|| !m_delayed_axiom_setup_terms.empty();
;
}
@ -842,62 +840,32 @@ void theory_str::propagate() {
}
m_concat_eval_todo.reset();
for (unsigned i = 0; i < m_axiom_CharAt_todo.size(); ++i) {
instantiate_axiom_CharAt(m_axiom_CharAt_todo[i]);
}
m_axiom_CharAt_todo.reset();
for (unsigned i = 0; i < m_axiom_StartsWith_todo.size(); ++i) {
instantiate_axiom_StartsWith(m_axiom_StartsWith_todo[i]);
}
m_axiom_StartsWith_todo.reset();
for (unsigned i = 0; i < m_axiom_EndsWith_todo.size(); ++i) {
instantiate_axiom_EndsWith(m_axiom_EndsWith_todo[i]);
}
m_axiom_EndsWith_todo.reset();
for (unsigned i = 0; i < m_axiom_Contains_todo.size(); ++i) {
instantiate_axiom_Contains(m_axiom_Contains_todo[i]);
}
m_axiom_Contains_todo.reset();
for (unsigned i = 0; i < m_axiom_Indexof_todo.size(); ++i) {
instantiate_axiom_Indexof(m_axiom_Indexof_todo[i]);
}
m_axiom_Indexof_todo.reset();
for (unsigned i = 0; i < m_axiom_Indexof2_todo.size(); ++i) {
instantiate_axiom_Indexof2(m_axiom_Indexof2_todo[i]);
}
m_axiom_Indexof2_todo.reset();
for (unsigned i = 0; i < m_axiom_LastIndexof_todo.size(); ++i) {
instantiate_axiom_LastIndexof(m_axiom_LastIndexof_todo[i]);
}
m_axiom_LastIndexof_todo.reset();
for (unsigned i = 0; i < m_axiom_Substr_todo.size(); ++i) {
instantiate_axiom_Substr(m_axiom_Substr_todo[i]);
}
m_axiom_Substr_todo.reset();
for (unsigned i = 0; i < m_axiom_Replace_todo.size(); ++i) {
instantiate_axiom_Replace(m_axiom_Replace_todo[i]);
}
m_axiom_Replace_todo.reset();
for (unsigned i = 0; i < m_axiom_RegexIn_todo.size(); ++i) {
instantiate_axiom_RegexIn(m_axiom_RegexIn_todo[i]);
}
m_axiom_RegexIn_todo.reset();
for (unsigned i = 0; i < m_library_aware_axiom_todo.size(); ++i) {
enode * e = m_library_aware_axiom_todo[i];
if (is_str_to_int(e)) {
instantiate_axiom_str_to_int(e);
} else if (is_int_to_str(e)) {
instantiate_axiom_int_to_str(e);
} else if (is_CharAt(e)) {
instantiate_axiom_CharAt(e);
} else if (is_StartsWith(e)) {
instantiate_axiom_StartsWith(e);
} else if (is_EndsWith(e)) {
instantiate_axiom_EndsWith(e);
} else if (is_Contains(e)) {
instantiate_axiom_Contains(e);
} else if (is_Indexof(e)) {
instantiate_axiom_Indexof(e);
} else if (is_Indexof2(e)) {
instantiate_axiom_Indexof2(e);
} else if (is_LastIndexof(e)) {
instantiate_axiom_LastIndexof(e);
} else if (is_Substr(e)) {
instantiate_axiom_Substr(e);
} else if (is_Replace(e)) {
instantiate_axiom_Replace(e);
} else if (is_RegexIn(e)) {
instantiate_axiom_RegexIn(e);
} else {
TRACE("t_str", tout << "BUG: unhandled library-aware term " << mk_pp(e->get_owner(), get_manager()) << std::endl;);
NOT_IMPLEMENTED_YET();
@ -7099,12 +7067,8 @@ void theory_str::set_up_axioms(expr * ex) {
if (aVar->get_num_args() == 0 && !is_string(aVar)) {
input_var_in_len.insert(var);
}
} else if (is_CharAt(ap)) {
m_axiom_CharAt_todo.push_back(n);
} else if (is_Substr(ap)) {
m_axiom_Substr_todo.push_back(n);
} else if (is_Replace(ap)) {
m_axiom_Replace_todo.push_back(n);
} else if (is_CharAt(ap) || is_Substr(ap) || is_Replace(ap)) {
m_library_aware_axiom_todo.push_back(n);
} else if (ap->get_num_args() == 0 && !is_string(ap)) {
// if ex is a variable, add it to our list of variables
TRACE("t_str_detail", tout << "tracking variable " << mk_ismt2_pp(ap, get_manager()) << std::endl;);
@ -7127,14 +7091,8 @@ void theory_str::set_up_axioms(expr * ex) {
if (is_app(ex)) {
app * ap = to_app(ex);
if (is_StartsWith(ap)) {
m_axiom_StartsWith_todo.push_back(n);
} else if (is_EndsWith(ap)) {
m_axiom_EndsWith_todo.push_back(n);
} else if (is_Contains(ap)) {
m_axiom_Contains_todo.push_back(n);
} else if (is_RegexIn(ap)) {
m_axiom_RegexIn_todo.push_back(n);
if (is_StartsWith(ap) || is_EndsWith(ap) || is_Contains(ap) || is_RegexIn(ap)) {
m_library_aware_axiom_todo.push_back(n);
}
}
} else {
@ -7152,12 +7110,8 @@ void theory_str::set_up_axioms(expr * ex) {
if (is_app(ex)) {
app * ap = to_app(ex);
if (is_Indexof(ap)) {
m_axiom_Indexof_todo.push_back(n);
} else if (is_Indexof2(ap)) {
m_axiom_Indexof2_todo.push_back(n);
} else if (is_LastIndexof(ap)) {
m_axiom_LastIndexof_todo.push_back(n);
if (is_Indexof(ap) || is_Indexof2(ap) || is_LastIndexof(ap)) {
m_library_aware_axiom_todo.push_back(n);
} else if (is_str_to_int(ap) || is_int_to_str(ap)) {
string_int_conversion_terms.push_back(ap);
m_library_aware_axiom_todo.push_back(n);

4
src/smt/theory_str.h
View file

@ -210,7 +210,7 @@ namespace smt {
ptr_vector<enode> m_concat_eval_todo;
// enode lists for term-specific axioms
// TODO maybe refactor this into a generic "library_aware_axiom_todo" list
/*
ptr_vector<enode> m_axiom_CharAt_todo;
ptr_vector<enode> m_axiom_StartsWith_todo;
ptr_vector<enode> m_axiom_EndsWith_todo;
@ -221,8 +221,8 @@ namespace smt {
ptr_vector<enode> m_axiom_Substr_todo;
ptr_vector<enode> m_axiom_Replace_todo;
ptr_vector<enode> m_axiom_RegexIn_todo;
*/
// TODO refactor everything to use this worklist
ptr_vector<enode> m_library_aware_axiom_todo;
// hashtable of all exprs for which we've already set up term-specific axioms --