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bug fix: unsound pruning of assumptions. remove deprecated reduce() feature from smt_kernel

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-01-03 17:36:21 -08:00
parent 70baa3c8c9
commit f8f23382dc
6 changed files with 55 additions and 29 deletions
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20
src/muz_qe/pdr_smt_context_manager.cpp
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@ -20,6 +20,7 @@ Revision History:
#include "pdr_smt_context_manager.h"
#include "has_free_vars.h"
#include "ast_pp.h"
#include "ast_smt_pp.h"
#include <sstream>
#include "smt_params.h"
@ -78,6 +79,25 @@ namespace pdr {
if (!m.is_true(m_pred)) {
assumptions.push_back(m_pred);
}
TRACE("pdr_check",
{
ast_smt_pp pp(m);
for (unsigned i = 0; i < m_context.size(); ++i) {
pp.add_assumption(m_context.get_formulas()[i]);
}
for (unsigned i = 0; i < assumptions.size(); ++i) {
pp.add_assumption(assumptions[i].get());
}
pp.display_smt2(tout, m.mk_true());
static unsigned lemma_id = 0;
std::ostringstream strm;
strm << "pdr-lemma-" << lemma_id << ".smt2";
std::ofstream out(strm.str().c_str());
pp.display_smt2(out, m.mk_true());
out.close();
lemma_id++;
});
lbool result = m_context.check(assumptions.size(), assumptions.c_ptr());
if (!m.is_true(m_pred)) {
assumptions.pop_back();