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fix model generation for underspecified operators in theory_lra

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-02-04 14:07:24 -08:00
parent 283aa04d68
commit 876bd80bea
2 changed files with 13 additions and 0 deletions
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12
src/smt/theory_lra.cpp
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@ -3484,6 +3484,15 @@ public:
}
}
bool include_func_interp(func_decl* f) {
return
a.is_div0(f) ||
a.is_idiv0(f) ||
a.is_power0(f) ||
a.is_rem0(f) ||
a.is_mod0(f);
}
bool get_lower(enode* n, rational& val, bool& is_strict) {
theory_var v = n->get_th_var(get_id());
if (!can_get_bound(v)) {
@ -3980,6 +3989,9 @@ bool theory_lra::get_value(enode* n, rational& r) {
bool theory_lra::get_value(enode* n, expr_ref& r) {
return m_imp->get_value(n, r);
}
bool theory_lra::include_func_interp(func_decl* f) {
return m_imp->include_func_interp(f);
}
bool theory_lra::get_lower(enode* n, expr_ref& r) {
return m_imp->get_lower(n, r);
}

1
src/smt/theory_lra.h
View file

@ -82,6 +82,7 @@ namespace smt {
model_value_proc * mk_value(enode * n, model_generator & mg) override;
bool get_value(enode* n, expr_ref& r) override;
bool include_func_interp(func_decl* f) override;
bool get_value(enode* n, rational& r);
bool get_lower(enode* n, expr_ref& r);
bool get_upper(enode* n, expr_ref& r);