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fix #5149

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This commit is contained in:
Nikolaj Bjorner 2021-04-05 20:39:43 -07:00
parent a6ef99d56e
commit 6099b84ff6
1 changed files with 16 additions and 31 deletions
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47
src/smt/mam.cpp
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@ -56,24 +56,9 @@ using namespace smt;
#define IS_CGR_SUPPORT true
namespace {
// ------------------------------------
//
// Trail
//
// ------------------------------------
class mam_impl;
typedef trail_stack mam_trail_stack;
typedef trail mam_trail;
template<typename T>
class mam_value_trail : public value_trail<T> {
public:
mam_value_trail(T & value):value_trail<T>(value) {}
};
// ------------------------------------
//
@ -603,7 +588,7 @@ namespace {
class code_tree_manager {
label_hasher & m_lbl_hasher;
mam_trail_stack & m_trail_stack;
trail_stack & m_trail_stack;
region & m_region;
template<typename OP>
@ -636,7 +621,7 @@ namespace {
}
public:
code_tree_manager(label_hasher & h, mam_trail_stack & s):
code_tree_manager(label_hasher & h, trail_stack & s):
m_lbl_hasher(h),
m_trail_stack(s),
m_region(s.get_region()) {
@ -761,20 +746,20 @@ namespace {
}
void set_next(instruction * instr, instruction * new_next) {
m_trail_stack.push(mam_value_trail<instruction*>(instr->m_next));
m_trail_stack.push(value_trail<instruction*>(instr->m_next));
instr->m_next = new_next;
}
void save_num_regs(code_tree * tree) {
m_trail_stack.push(mam_value_trail<unsigned>(tree->m_num_regs));
m_trail_stack.push(value_trail<unsigned>(tree->m_num_regs));
}
void save_num_choices(code_tree * tree) {
m_trail_stack.push(mam_value_trail<unsigned>(tree->m_num_choices));
m_trail_stack.push(value_trail<unsigned>(tree->m_num_choices));
}
void insert_new_lbl_hash(filter * instr, unsigned h) {
m_trail_stack.push(mam_value_trail<approx_set>(instr->m_lbl_set));
m_trail_stack.push(value_trail<approx_set>(instr->m_lbl_set));
instr->m_lbl_set.insert(h);
}
};
@ -2873,12 +2858,12 @@ namespace {
ast_manager & m;
compiler & m_compiler;
ptr_vector<code_tree> m_trees; // mapping: func_label -> tree
mam_trail_stack & m_trail_stack;
trail_stack & m_trail_stack;
#ifdef Z3DEBUG
context * m_context;
#endif
class mk_tree_trail : public mam_trail {
class mk_tree_trail : public trail {
ptr_vector<code_tree> & m_trees;
unsigned m_lbl_id;
public:
@ -2890,7 +2875,7 @@ namespace {
};
public:
code_tree_map(ast_manager & m, compiler & c, mam_trail_stack & s):
code_tree_map(ast_manager & m, compiler & c, trail_stack & s):
m(m),
m_compiler(c),
m_trail_stack(s) {
@ -3096,7 +3081,7 @@ namespace {
protected:
ast_manager & m;
bool m_use_filters;
mam_trail_stack m_trail_stack;
trail_stack m_trail_stack;
label_hasher m_lbl_hasher;
code_tree_manager m_ct_manager;
compiler m_compiler;
@ -3139,7 +3124,7 @@ namespace {
class add_shared_enode_trail;
friend class add_shared_enode_trail;
class add_shared_enode_trail : public mam_trail {
class add_shared_enode_trail : public trail {
mam_impl& m;
enode * m_enode;
public:
@ -3187,7 +3172,7 @@ namespace {
void update_lbls(enode * n, unsigned elem) {
approx_set & r_lbls = n->get_root()->get_lbls();
if (!r_lbls.may_contain(elem)) {
m_trail_stack.push(mam_value_trail<approx_set>(r_lbls));
m_trail_stack.push(value_trail<approx_set>(r_lbls));
r_lbls.insert(elem);
}
}
@ -3219,7 +3204,7 @@ namespace {
enode * c = app->get_arg(i);
approx_set & r_plbls = c->get_root()->get_plbls();
if (!r_plbls.may_contain(elem)) {
m_trail_stack.push(mam_value_trail<approx_set>(r_plbls));
m_trail_stack.push(value_trail<approx_set>(r_plbls));
r_plbls.insert(elem);
TRACE("trigger_bug", tout << "updating plabels of:\n" << mk_ismt2_pp(c->get_root()->get_expr(), m) << "\n";
tout << "new_elem: " << static_cast<unsigned>(elem) << "\n";
@ -3797,7 +3782,7 @@ namespace {
todo.pop_back();
if (n->is_ground()) {
enode * e = mk_enode(m_context, qa, n);
m_trail_stack.push(add_shared_enode_trail(*this, e));
m_context.push_trail(add_shared_enode_trail(*this, e));
m_shared_enodes.insert(e);
}
else {
@ -4011,8 +3996,8 @@ namespace {
approx_set r1_lbls = r1->get_lbls();
approx_set & r2_lbls = r2->get_lbls();
m_trail_stack.push(mam_value_trail<approx_set>(r2_lbls));
m_trail_stack.push(mam_value_trail<approx_set>(r2_plbls));
m_trail_stack.push(value_trail<approx_set>(r2_lbls));
m_trail_stack.push(value_trail<approx_set>(r2_plbls));
r2_lbls |= r1_lbls;
r2_plbls |= r1_plbls;
TRACE("mam_inc_bug",