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33 lines
676 B
C++
33 lines
676 B
C++
/*++
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Copyright (c) 2012 Microsoft Corporation
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Module Name:
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equiv_proof_converter.cpp
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Abstract:
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Proof converter that applies equivalence rule to leaves.
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Author:
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Nikolaj Bjorner (nbjorner) 2012-11-23
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Revision History:
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--*/
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#include "equiv_proof_converter.h"
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#include "ast_pp.h"
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#include "dl_util.h"
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void equiv_proof_converter::insert(expr* fml1, expr* fml2) {
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datalog::scoped_proof _sp(m);
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proof_ref p1(m), p2(m), p3(m);
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p1 = m.mk_asserted(fml1);
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p2 = m.mk_rewrite(fml1, fml2);
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p3 = m.mk_modus_ponens(p1, p2);
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TRACE("proof_converter", tout << mk_pp(p3.get(), m) << "\n";);
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SASSERT(m.has_fact(p3));
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m_replace.insert(p3);
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}
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