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add bvsls module as backend to weighted maxsat

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-03-28 13:32:31 -07:00
parent a26e299390
commit 3d7f208ce6
5 changed files with 3499 additions and 54 deletions
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37
src/tactic/arith/card2bv_tactic.h
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@ -20,9 +20,46 @@ Notes:
#define _CARD2BV_TACTIC_
#include"params.h"
#include"pb_decl_plugin.h"
#include"th_rewriter.h"
#include"rewriter.h"
class ast_manager;
class tactic;
namespace pb {
class card2bv_rewriter {
ast_manager& m;
arith_util au;
pb_util pb;
bv_util bv;
unsigned get_num_bits(func_decl* f);
public:
card2bv_rewriter(ast_manager& m);
br_status mk_app_core(func_decl * f, unsigned sz, expr * const* args, expr_ref & result);
};
struct card2bv_rewriter_cfg : public default_rewriter_cfg {
card2bv_rewriter m_r;
bool rewrite_patterns() const { return false; }
bool flat_assoc(func_decl * f) const { return false; }
br_status reduce_app(func_decl * f, unsigned num, expr * const * args, expr_ref & result, proof_ref & result_pr) {
result_pr = 0;
return m_r.mk_app_core(f, num, args, result);
}
card2bv_rewriter_cfg(ast_manager & m):m_r(m) {}
};
class card_pb_rewriter : public rewriter_tpl<card2bv_rewriter_cfg> {
card2bv_rewriter_cfg m_cfg;
public:
card_pb_rewriter(ast_manager & m):
rewriter_tpl<card2bv_rewriter_cfg>(m, false, m_cfg),
m_cfg(m) {}
};
};
tactic * mk_card2bv_tactic(ast_manager & m, params_ref const & p = params_ref());
/*
ADD_TACTIC("card2bv", "convert pseudo-boolean constraints to bit-vectors.", "mk_card2bv_tactic(m, p)")