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Fix build error by restoring array_decl_plugin include and implementation
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
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1 changed files with 27 additions and 5 deletions
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@ -12,7 +12,7 @@ Abstract:
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--*/
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#include "model/finite_set_value_factory.h"
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#include "model/model_core.h"
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#include "ast/finite_set_decl_plugin.h"
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#include "ast/array_decl_plugin.h"
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finite_set_value_factory::finite_set_value_factory(ast_manager & m, family_id fid, model_core & md):
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struct_factory(m, fid, md),
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@ -25,11 +25,16 @@ expr * finite_set_value_factory::get_some_value(sort * s) {
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if (m_sort2value_set.find(s, set) && !set->empty())
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return *(set->begin());
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expr * empty = m_util.mk_empty(s);
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// For sets, return an empty set
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if (m_util.is_array(s)) {
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expr * empty = m_util.mk_empty_set(s);
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register_value(empty);
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return empty;
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}
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return nullptr;
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}
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expr * finite_set_value_factory::get_fresh_value(sort * s) {
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// Get a fresh value for a finite set sort
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value_set * set = get_value_set(s);
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@ -37,7 +42,24 @@ expr * finite_set_value_factory::get_fresh_value(sort * s) {
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// If no values have been generated yet, use get_some_value
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if (set->empty())
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return get_some_value(s);
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// TODO: finite_set singleton with fresh values
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// For sets represented as arrays
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if (m_util.is_array(s)) {
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// Get the element sort (domain of the array)
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sort * elem_sort = get_array_domain(s, 0);
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// Try to get a fresh value from the element domain
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expr * fresh_elem = m_model.get_fresh_value(elem_sort);
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if (fresh_elem != nullptr) {
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// Create a singleton set with the fresh element
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// Start with an empty set and add the element
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expr * empty = m_util.mk_empty_set(s);
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expr * args[3] = { empty, fresh_elem, m_manager.mk_true() };
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expr * singleton = m_util.mk_store(3, args);
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register_value(singleton);
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return singleton;
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}
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}
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// For finite domains, we may not be able to generate fresh values
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// if all values have been exhausted
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