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create proofs folder, move proof-post-order utility to proofs directory, fix regression with proofs

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-10-24 03:08:56 -07:00
parent 72c9134424
commit d67f3c1466
19 changed files with 53 additions and 54 deletions
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43
src/muz/spacer/spacer_proof_utils.h
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@ -1,43 +0,0 @@
/*++
Copyright (c) 2017 Arie Gurfinkel
Module Name:
spacer_proof_utils.cpp
Abstract:
Utilities to traverse and manipulate proofs
Author:
Bernhard Gleiss
Arie Gurfinkel
Revision History:
--*/
#ifndef _SPACER_PROOF_UTILS_H_
#define _SPACER_PROOF_UTILS_H_
#include "ast/ast.h"
namespace spacer {
/*
* iterator, which traverses the proof in depth-first post-order.
*/
class ProofIteratorPostOrder {
public:
ProofIteratorPostOrder(proof* refutation, ast_manager& manager);
bool hasNext();
proof* next();
private:
ptr_vector<proof> m_todo;
ast_mark m_visited; // the proof nodes we have already visited
ast_manager& m;
};
void reduce_hypotheses(proof_ref &pr);
}
#endif