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checkpoint

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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Leonardo de Moura 2012-10-21 22:16:58 -07:00
parent 142bf71b35
commit 9359ab7ce5
124 changed files with 2 additions and 0 deletions
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src/test/model_retrieval.cpp Normal file
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#include "ast.h"
#include "front_end_params.h"
#include "smt_context.h"
#include "arith_decl_plugin.h"
#include "bv_decl_plugin.h"
#include "array_decl_plugin.h"
#include "model_v2_pp.h"
void tst_model_retrieval()
{
memory::initialize(0);
front_end_params params;
params.m_model = true;
ast_manager m;
m.register_decl_plugins();
family_id array_fid = m.get_family_id(symbol("array"));
array_util au(m);
array_decl_plugin& ad = *static_cast<array_decl_plugin *>(m.get_plugin(array_fid));
// arr_s and select_fn creation copy-pasted from z3.cpp
parameter sparams[2] = { parameter(to_sort(m.mk_bool_sort())), parameter(to_sort(m.mk_bool_sort())) };
sort_ref arr_s(m.mk_sort(array_fid, ARRAY_SORT, 2, sparams), m);
sort * domain2[2] = {arr_s, m.mk_bool_sort()};
func_decl_ref select_fn(
m.mk_func_decl(array_fid, OP_SELECT, 2, arr_s->get_parameters(), 2, domain2), m);
app_ref a1(m.mk_const(symbol("a1"), arr_s), m);
app_ref a2(m.mk_const(symbol("a2"), arr_s), m);
// (= true (select a1 true))
app_ref fml(m.mk_eq(m.mk_true(),
m.mk_app(select_fn.get(), a1, m.mk_true())), m);
smt::context ctx(m, params);
ctx.assert_expr(fml);
lbool check_result = ctx.check();
std::cout<<((check_result==l_true) ? "satisfiable" :
(check_result==l_false) ? "unsatisfiable" : "unknown")<<"\n";
ref<model> model;
ctx.get_model(model);
model_v2_pp(std::cout, *model, false);
expr_ref a1_val(model->get_const_interp(a1->get_decl()), m);
app_ref fml2(m.mk_eq(a2, a1_val), m);
ctx.assert_expr(fml2);
std::cout<<"--------------------------\n";
ctx.display(std::cout);
std::cout<<"--------------------------\n";
check_result = ctx.check();
ctx.display(std::cout);
std::cout<<"--------------------------\n";
std::cout<<((check_result==l_true) ? "satisfiable" :
(check_result==l_false) ? "unsatisfiable" : "unknown")<<"\n";
}