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fix 3838 fix #3837

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-08 05:49:24 -07:00
parent 7595371721
commit 40aa2f7cb2
4 changed files with 31 additions and 19 deletions
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17
src/ast/ast.cpp
View file

@ -1800,7 +1800,7 @@ static void track_id(ast* n, unsigned id) {
if (n->get_id() != id) return;
++s_count;
std::cout << s_count << "\n";
//SASSERT(s_count != 2);
SASSERT(s_count != 1);
}
#endif
@ -1834,7 +1834,7 @@ ast * ast_manager::register_node_core(ast * n) {
n->m_id = is_decl(n) ? m_decl_id_gen.mk() : m_expr_id_gen.mk();
// track_id(n, 48);
// track_id(n, 323);
TRACE("ast", tout << "Object " << n->m_id << " was created.\n";);
TRACE("mk_var_bug", tout << "mk_ast: " << n->m_id << "\n";);
@ -2902,8 +2902,8 @@ proof * ast_manager::mk_transitivity(proof * p1, proof * p2) {
(is_eq(get_fact(p2)) || is_oeq(get_fact(p2)))));
CTRACE("mk_transitivity", to_app(get_fact(p1))->get_arg(1) != to_app(get_fact(p2))->get_arg(0),
tout << mk_pp(get_fact(p1), *this) << "\n\n" << mk_pp(get_fact(p2), *this) << "\n";
tout << mk_bounded_pp(p1, *this, 5) << "\n\n";
tout << mk_bounded_pp(p2, *this, 5) << "\n\n";
tout << p1->get_id() << ": " << mk_bounded_pp(p1, *this, 5) << "\n\n";
tout << p2->get_id() << ": " << mk_bounded_pp(p2, *this, 5) << "\n\n";
);
SASSERT(to_app(get_fact(p1))->get_arg(1) == to_app(get_fact(p2))->get_arg(0));
if (is_reflexivity(p1))
@ -2913,7 +2913,10 @@ proof * ast_manager::mk_transitivity(proof * p1, proof * p2) {
// OEQ is compatible with EQ for transitivity.
func_decl* f = to_app(get_fact(p1))->get_decl();
if (is_oeq(get_fact(p2))) f = to_app(get_fact(p2))->get_decl();
return mk_app(m_basic_family_id, PR_TRANSITIVITY, p1, p2, mk_app(f, to_app(get_fact(p1))->get_arg(0), to_app(get_fact(p2))->get_arg(1)));
proof* p = mk_app(m_basic_family_id, PR_TRANSITIVITY, p1, p2, mk_app(f, to_app(get_fact(p1))->get_arg(0), to_app(get_fact(p2))->get_arg(1)));
// SASSERT(p->get_id() != 202);
return p;
}
proof * ast_manager::mk_transitivity(proof * p1, proof * p2, proof * p3) {
@ -2955,7 +2958,9 @@ proof * ast_manager::mk_monotonicity(func_decl * R, app * f1, app * f2, unsigned
ptr_buffer<expr> args;
args.append(num_proofs, (expr**) proofs);
args.push_back(mk_app(R, f1, f2));
return mk_app(m_basic_family_id, PR_MONOTONICITY, args.size(), args.c_ptr());
proof* p = mk_app(m_basic_family_id, PR_MONOTONICITY, args.size(), args.c_ptr());
SASSERT(p->get_id() != 202);
return p;
}
proof * ast_manager::mk_congruence(app * f1, app * f2, unsigned num_proofs, proof * const * proofs) {

6
src/ast/rewriter/rewriter_def.h
View file

@ -184,6 +184,7 @@ bool rewriter_tpl<Config>::visit(expr * t, unsigned max_depth) {
if (to_app(t)->get_num_args() == 0) {
if (process_const<ProofGen>(to_app(t)))
return true;
TRACE("rewriter", tout << "process const: " << mk_bounded_pp(t, m()) << " -> " << mk_bounded_pp(m_r,m()) << "\n";);
t = m_r;
}
if (max_depth != RW_UNBOUNDED_DEPTH)
@ -302,6 +303,7 @@ void rewriter_tpl<Config>::process_app(app * t, frame & fr) {
if (m_pr2) tout << mk_bounded_pp(m_pr2, m()) << "\n";
);
SASSERT(st == BR_FAILED || rewrites_to(m_r, m_pr2));
SASSERT(st == BR_FAILED || rewrites_from(new_t, m_pr2));
SASSERT(st != BR_DONE || m().get_sort(m_r) == m().get_sort(t));
if (st != BR_FAILED) {
result_stack().shrink(fr.m_spos);
@ -314,6 +316,8 @@ void rewriter_tpl<Config>::process_app(app * t, frame & fr) {
m_pr = m().mk_transitivity(m_pr, m_pr2);
m_pr2 = nullptr;
result_pr_stack().push_back(m_pr);
SASSERT(rewrites_to(m_r, m_pr));
SASSERT(rewrites_from(t, m_pr));
}
if (st == BR_DONE) {
cache_result<ProofGen>(t, m_r, m_pr, fr.m_cache_result);
@ -346,6 +350,8 @@ void rewriter_tpl<Config>::process_app(app * t, frame & fr) {
result_pr_stack().push_back(m_pr);
}
m_r = result_stack().back();
SASSERT(rewrites_to(m_r, m_pr));
SASSERT(rewrites_from(t, m_pr));
result_stack().pop_back();
result_stack().pop_back();
result_stack().push_back(m_r);