From d4c5c5d06f71958fcca6e561b7eade8fd72f7304 Mon Sep 17 00:00:00 2001
From: lianah <lianahady@gmail.com>
Date: Fri, 10 May 2013 18:23:20 -0400
Subject: now proofs print mapping between atom and propositional variable as a
 comment in LFSC

---
 src/proof/sat_proof.h | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

(limited to 'src/proof/sat_proof.h')

diff --git a/src/proof/sat_proof.h b/src/proof/sat_proof.h
index a552b66fd..fb8966400 100644
--- a/src/proof/sat_proof.h
+++ b/src/proof/sat_proof.h
@@ -26,6 +26,8 @@
 #include <ext/hash_map>
 #include <ext/hash_set>
 #include <sstream>
+#include "expr/expr.h"
+
 
 namespace Minisat {
   class Solver;
@@ -90,6 +92,8 @@ typedef std::vector   < ResChain* >               ResStack;
 typedef std::hash_set < int >                     VarSet; 
 typedef std::set < ClauseId >                     IdSet; 
 typedef std::vector < ::Minisat::Lit >              LitVector; 
+typedef __gnu_cxx::hash_map<Expr, ::Minisat::Lit, ExprHashFunction >  AtomToVar; 
+
 class SatProof; 
 
 class ProofProxy : public ProofProxyAbstract {
@@ -128,7 +132,10 @@ protected:
 
   // unit conflict
   ClauseId d_unitConflictId;
-  bool d_storedUnitConflict; 
+  bool d_storedUnitConflict;
+
+  // atom mapping
+  AtomToVar d_atomToVar;
 public:  
   SatProof(::Minisat::Solver* solver, bool checkRes = false);
 protected:
@@ -223,12 +230,20 @@ public:
    */
   void     storeUnitResolution(::Minisat::Lit lit); 
   
-  ProofProxy* getProxy() {return d_proxy; } 
+  ProofProxy* getProxy() {return d_proxy; }
+  /** 
+   * At mapping between literal and theory-atom it represents
+   * 
+   * @param literal 
+   * @param atom 
+   */
+  void storeAtom(::Minisat::Lit literal, Expr atom);
 };/* class SatProof */
 
 class LFSCSatProof: public SatProof {
 private:
-  VarSet             d_seenVars; 
+  VarSet             d_seenVars;
+  std::ostringstream d_atomsSS;
   std::ostringstream d_varSS;
   std::ostringstream d_lemmaSS;
   std::ostringstream d_clauseSS;
@@ -246,11 +261,12 @@ private:
   void printVariables();
   void printClauses();
   void flush(std::ostream& out);
-  
+  void printAtoms(); 
 public:
   LFSCSatProof(::Minisat::Solver* solver, bool checkRes = false):
     SatProof(solver, checkRes),
     d_seenVars(),
+    d_atomsSS(), 
     d_varSS(),
     d_lemmaSS(),
     d_paren(),
-- 
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