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fix #4651

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-08-30 09:49:12 -07:00
parent 4682b48d3a
commit e8826bb20f
9 changed files with 98 additions and 69 deletions
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7
src/smt/theory_seq.cpp
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@ -1724,9 +1724,11 @@ std::ostream& theory_seq::display_deps(std::ostream& out, literal_vector const&
smt2_pp_environment_dbg env(m);
params_ref p;
for (auto const& eq : eqs) {
if (eq.first->get_root() != eq.second->get_root())
out << "invalid: ";
out << " (= " << mk_bounded_pp(eq.first->get_owner(), m, 2)
<< "\n " << mk_bounded_pp(eq.second->get_owner(), m, 2)
<< ")\n";
<< ")\n";
}
for (literal l : lits) {
display_lit(out, l) << "\n";
@ -2908,6 +2910,7 @@ bool theory_seq::propagate_eq(dependency* deps, literal_vector const& _lits, exp
}
void theory_seq::assign_eh(bool_var v, bool is_true) {
force_push();
expr* e = ctx.bool_var2expr(v);
expr* e1 = nullptr, *e2 = nullptr;
expr_ref f(m);
@ -3023,6 +3026,7 @@ void theory_seq::assign_eh(bool_var v, bool is_true) {
}
void theory_seq::new_eq_eh(theory_var v1, theory_var v2) {
force_push();
enode* n1 = get_enode(v1);
enode* n2 = get_enode(v2);
expr* o1 = n1->get_owner();
@ -3066,6 +3070,7 @@ void theory_seq::new_eq_eh(dependency* deps, enode* n1, enode* n2) {
}
void theory_seq::new_diseq_eh(theory_var v1, theory_var v2) {
force_push();
enode* n1 = get_enode(v1);
enode* n2 = get_enode(v2);
expr_ref e1(n1->get_owner(), m);