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restructure maxsmt solvers, flatten weighted/non-weighted versions, fix bugs and simplify mus/max-res

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-07-23 23:53:03 +02:00
parent 5e9bf2ef53
commit 9f1b2ccfc4
10 changed files with 492 additions and 498 deletions
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42
src/opt/maxres.h
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@ -1,18 +1,30 @@
/*++
Copyright (c) 2014 Microsoft Corporation
Module Name:
maxsres.h
Abstract:
MaxRes (weighted) max-sat algorithm by Nina and Bacchus, AAAI 2014.
Author:
Nikolaj Bjorner (nbjorner) 2014-20-7
Notes:
--*/
#ifndef _MAXRES_H_
#define _MAXRES_H_
namespace opt {
class maxres : public maxsmt_solver {
struct imp;
imp* m_imp;
public:
maxres(ast_manager& m, solver& s, expr_ref_vector& soft_constraints, vector<rational>const& weights);
~maxres();
virtual lbool operator()();
virtual rational get_lower() const;
virtual rational get_upper() const;
virtual bool get_assignment(unsigned index) const;
virtual void set_cancel(bool f);
virtual void collect_statistics(statistics& st) const;
virtual void get_model(model_ref& mdl);
virtual void updt_params(params_ref& p);
};
maxsmt_solver_base* mk_maxres(ast_manager& m, opt_solver* s, params_ref& p,
vector<rational> const& ws, expr_ref_vector const& soft);
};
#endif