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add bounded-int and pb2bv solvers to fd_solver, use sorting networks for pb2bv rewriter when applicable, hoist to pb2bv_rewriter module and remove it from the pb2bv_tactic

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-10-23 20:31:59 -07:00
parent 6d3430c689
commit 3778048eb4
26 changed files with 1424 additions and 700 deletions
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4
src/tactic/bv/dt2bv_tactic.cpp
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@ -29,7 +29,7 @@ Revision History:
#include "extension_model_converter.h"
#include "var_subst.h"
#include "ast_util.h"
#include "fd_rewriter.h"
#include "enum2bv_rewriter.h"
class dt2bv_tactic : public tactic {
@ -132,7 +132,7 @@ public:
if (!m_fd_sorts.empty()) {
ref<extension_model_converter> ext = alloc(extension_model_converter, m);
ref<filter_model_converter> filter = alloc(filter_model_converter, m);
fd_rewriter rw(m, m_params);
enum2bv_rewriter rw(m, m_params);
rw.set_is_fd(&m_is_fd);
expr_ref new_curr(m);
proof_ref new_pr(m);