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fix non-termination

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2024-10-29 23:39:39 -07:00
parent 0a404f94be
commit 289f8360f2
2 changed files with 4 additions and 4 deletions
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6
src/ast/simplifiers/elim_unconstrained.cpp
View file

@ -175,7 +175,7 @@ void elim_unconstrained::eliminate() {
if (!inverted) if (!inverted)
continue; continue;
IF_VERBOSE(1, verbose_stream() << "replace " << mk_bounded_pp(t, m) << " / " << mk_bounded_pp(rr, m) << " -> " << mk_bounded_pp(r, m) << "\n"); IF_VERBOSE(4, verbose_stream() << "replace " << mk_bounded_pp(t, m) << " / " << mk_bounded_pp(rr, m) << " -> " << mk_bounded_pp(r, m) << "\n");
TRACE("elim_unconstrained", tout << mk_bounded_pp(t, m) << " / " << mk_bounded_pp(rr, m) << " -> " << mk_bounded_pp(r, m) << "\n"); TRACE("elim_unconstrained", tout << mk_bounded_pp(t, m) << " / " << mk_bounded_pp(rr, m) << " -> " << mk_bounded_pp(r, m) << "\n");
@ -309,8 +309,10 @@ expr* elim_unconstrained::reconstruct_term(node& n) {
expr_ref new_t(m); expr_ref new_t(m);
while (!todo.empty()) { while (!todo.empty()) {
node* np = todo.back(); node* np = todo.back();
if (!np->is_dirty()) if (!np->is_dirty()) {
todo.pop_back();
continue; continue;
}
SASSERT(np->is_root()); SASSERT(np->is_root());
auto t = np->term(); auto t = np->term();
unsigned sz0 = todo.size(); unsigned sz0 = todo.size();

2
src/sat/smt/intblast_solver.cpp
View file

@ -492,14 +492,12 @@ namespace intblast {
else { else {
expr_ref bv2int(bv.mk_bv2int(n->get_expr()), m); expr_ref bv2int(bv.mk_bv2int(n->get_expr()), m);
euf::enode* b2i = ctx.get_enode(bv2int); euf::enode* b2i = ctx.get_enode(bv2int);
if (!b2i) verbose_stream() << bv2int << "\n";
SASSERT(b2i); SASSERT(b2i);
VERIFY(b2i); VERIFY(b2i);
arith::arith_value av(ctx); arith::arith_value av(ctx);
rational r; rational r;
VERIFY(av.get_value(b2i->get_expr(), r)); VERIFY(av.get_value(b2i->get_expr(), r));
value = bv.mk_numeral(r, bv.get_bv_size(n->get_expr())); value = bv.mk_numeral(r, bv.get_bv_size(n->get_expr()));
verbose_stream() << ctx.bpp(n) << " := " << value << "\n";
} }
values.set(n->get_root_id(), value); values.set(n->get_root_id(), value);
TRACE("model", tout << "add_value " << ctx.bpp(n) << " := " << value << "\n"); TRACE("model", tout << "add_value " << ctx.bpp(n) << " := " << value << "\n");