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add tc and trc functionals for binary relations

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-04-09 22:47:01 +02:00
parent d3305aac16
commit ae982c5225
13 changed files with 361 additions and 77 deletions
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21
src/ast/special_relations_decl_plugin.cpp
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@ -21,13 +21,13 @@ Revision History:
#include "ast/ast.h"
#include "ast/special_relations_decl_plugin.h"
special_relations_decl_plugin::special_relations_decl_plugin():
m_lo("linear-order"),
m_po("partial-order"),
m_plo("piecewise-linear-order"),
m_to("tree-order")
m_to("tree-order"),
m_tc("transitive-closure"),
m_trc("transitive-reflexive-closure")
{}
func_decl * special_relations_decl_plugin::mk_func_decl(
@ -39,9 +39,12 @@ func_decl * special_relations_decl_plugin::mk_func_decl(
return nullptr;
}
if (domain[0] != domain[1]) {
m_manager->raise_exception("argument sort missmatch");
m_manager->raise_exception("argument sort missmatch. The two arguments should have the same sort");
return nullptr;
}
if (!range) {
range = m_manager->mk_bool_sort();
}
func_decl_info info(m_family_id, k, num_parameters, parameters);
symbol name;
switch(k) {
@ -49,8 +52,11 @@ func_decl * special_relations_decl_plugin::mk_func_decl(
case OP_SPECIAL_RELATION_LO: name = m_lo; break;
case OP_SPECIAL_RELATION_PLO: name = m_plo; break;
case OP_SPECIAL_RELATION_TO: name = m_to; break;
case OP_SPECIAL_RELATION_TC: name = m_tc; break;
case OP_SPECIAL_RELATION_TRC: name = m_trc; break;
case OP_SPECIAL_RELATION_NEXT: name = symbol("next"); break;
}
return m_manager->mk_func_decl(name, arity, domain, m_manager->mk_bool_sort(), info);
return m_manager->mk_func_decl(name, arity, domain, range, info);
}
void special_relations_decl_plugin::get_op_names(svector<builtin_name> & op_names, symbol const & logic) {
@ -59,6 +65,8 @@ void special_relations_decl_plugin::get_op_names(svector<builtin_name> & op_name
op_names.push_back(builtin_name(m_lo.bare_str(), OP_SPECIAL_RELATION_LO));
op_names.push_back(builtin_name(m_plo.bare_str(), OP_SPECIAL_RELATION_PLO));
op_names.push_back(builtin_name(m_to.bare_str(), OP_SPECIAL_RELATION_TO));
op_names.push_back(builtin_name(m_tc.bare_str(), OP_SPECIAL_RELATION_TC));
op_names.push_back(builtin_name(m_trc.bare_str(), OP_SPECIAL_RELATION_TRC));
}
}
@ -68,6 +76,9 @@ sr_property special_relations_util::get_property(func_decl* f) const {
case OP_SPECIAL_RELATION_LO: return sr_lo;
case OP_SPECIAL_RELATION_PLO: return sr_plo;
case OP_SPECIAL_RELATION_TO: return sr_to;
case OP_SPECIAL_RELATION_TC: return sr_tc;
case OP_SPECIAL_RELATION_TRC: return sr_trc;
case OP_SPECIAL_RELATION_NEXT: return sr_none;
default:
UNREACHABLE();
return sr_po;