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https://github.com/Z3Prover/z3
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0c1e44da77
* Assign boolean variables only to long-lived constraints, and deduplicate constraints when they are created * scoped_signed_constraint * update other classes * fix * Don't use scoped_ptr<constraint> with dedup()
28 lines
610 B
C++
28 lines
610 B
C++
/*++
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Copyright (c) 2021 Microsoft Corporation
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Module Name:
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Conflict explanation using forbidden intervals as described in
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"Solving bitvectors with MCSAT: explanations from bits and pieces"
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by S. Graham-Lengrand, D. Jovanovic, B. Dutertre.
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Author:
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Nikolaj Bjorner (nbjorner) 2021-03-19
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Jakob Rath 2021-04-6
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--*/
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#pragma once
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#include "math/polysat/constraint.h"
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#include "math/polysat/solver.h"
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namespace polysat {
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class forbidden_intervals {
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public:
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static bool explain(solver& s, vector<signed_constraint> const& conflict, pvar v, clause_ref& out_lemma);
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};
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}
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