diff --git a/svf/include/AE/Svfexe/AbsExtAPI.h b/svf/include/AE/Svfexe/AbsExtAPI.h
index f06faa837..942898d67 100644
--- a/svf/include/AE/Svfexe/AbsExtAPI.h
+++ b/svf/include/AE/Svfexe/AbsExtAPI.h
@@ -55,7 +55,7 @@ class AbsExtAPI
      * @brief Constructor for AbsExtAPI.
      * @param abstractTrace Reference to a map of ICFG nodes to abstract states.
      */
-    AbsExtAPI(Map<const ICFGNode*, AbstractState>& abstractTrace);
+    AbsExtAPI(Map<const ICFGNode*, AbstractState>& traces);
 
     /**
      * @brief Initializes the external function map.
diff --git a/svf/include/AE/Svfexe/AbstractInterpretation.h b/svf/include/AE/Svfexe/AbstractInterpretation.h
index ddb5dd25f..8197504e9 100644
--- a/svf/include/AE/Svfexe/AbstractInterpretation.h
+++ b/svf/include/AE/Svfexe/AbstractInterpretation.h
@@ -298,7 +298,53 @@ class AbstractInterpretation
     std::vector<std::unique_ptr<AEDetector>> detectors;
     AbsExtAPI* utils;
 
-
+    // according to varieties of cmp insts,
+    // maybe var X var, var X const, const X var, const X const
+    // we accept 'var X const' 'var X var' 'const X const'
+    // if 'const X var', we need to reverse op0 op1 and its predicate 'var X' const'
+    // X' is reverse predicate of X
+    // == -> !=, != -> ==, > -> <=, >= -> <, < -> >=, <= -> >
+
+    Map<s32_t, s32_t> _reverse_predicate =
+        {
+            {CmpStmt::Predicate::FCMP_OEQ, CmpStmt::Predicate::FCMP_ONE},  // == -> !=
+            {CmpStmt::Predicate::FCMP_UEQ, CmpStmt::Predicate::FCMP_UNE},  // == -> !=
+            {CmpStmt::Predicate::FCMP_OGT, CmpStmt::Predicate::FCMP_OLE},  // > -> <=
+            {CmpStmt::Predicate::FCMP_OGE, CmpStmt::Predicate::FCMP_OLT},  // >= -> <
+            {CmpStmt::Predicate::FCMP_OLT, CmpStmt::Predicate::FCMP_OGE},  // < -> >=
+            {CmpStmt::Predicate::FCMP_OLE, CmpStmt::Predicate::FCMP_OGT},  // <= -> >
+            {CmpStmt::Predicate::FCMP_ONE, CmpStmt::Predicate::FCMP_OEQ},  // != -> ==
+            {CmpStmt::Predicate::FCMP_UNE, CmpStmt::Predicate::FCMP_UEQ},  // != -> ==
+            {CmpStmt::Predicate::ICMP_EQ, CmpStmt::Predicate::ICMP_NE},  // == -> !=
+            {CmpStmt::Predicate::ICMP_NE, CmpStmt::Predicate::ICMP_EQ},  // != -> ==
+            {CmpStmt::Predicate::ICMP_UGT, CmpStmt::Predicate::ICMP_ULE},  // > -> <=
+            {CmpStmt::Predicate::ICMP_ULT, CmpStmt::Predicate::ICMP_UGE},  // < -> >=
+            {CmpStmt::Predicate::ICMP_UGE, CmpStmt::Predicate::ICMP_ULT},  // >= -> <
+            {CmpStmt::Predicate::ICMP_SGT, CmpStmt::Predicate::ICMP_SLE},  // > -> <=
+            {CmpStmt::Predicate::ICMP_SLT, CmpStmt::Predicate::ICMP_SGE},  // < -> >=
+            {CmpStmt::Predicate::ICMP_SGE, CmpStmt::Predicate::ICMP_SLT},  // >= -> <
+    };
+
+
+    Map<s32_t, s32_t> _switch_lhsrhs_predicate =
+        {
+            {CmpStmt::Predicate::FCMP_OEQ, CmpStmt::Predicate::FCMP_OEQ},  // == -> ==
+            {CmpStmt::Predicate::FCMP_UEQ, CmpStmt::Predicate::FCMP_UEQ},  // == -> ==
+            {CmpStmt::Predicate::FCMP_OGT, CmpStmt::Predicate::FCMP_OLT},  // > -> <
+            {CmpStmt::Predicate::FCMP_OGE, CmpStmt::Predicate::FCMP_OLE},  // >= -> <=
+            {CmpStmt::Predicate::FCMP_OLT, CmpStmt::Predicate::FCMP_OGT},  // < -> >
+            {CmpStmt::Predicate::FCMP_OLE, CmpStmt::Predicate::FCMP_OGE},  // <= -> >=
+            {CmpStmt::Predicate::FCMP_ONE, CmpStmt::Predicate::FCMP_ONE},  // != -> !=
+            {CmpStmt::Predicate::FCMP_UNE, CmpStmt::Predicate::FCMP_UNE},  // != -> !=
+            {CmpStmt::Predicate::ICMP_EQ, CmpStmt::Predicate::ICMP_EQ},  // == -> ==
+            {CmpStmt::Predicate::ICMP_NE, CmpStmt::Predicate::ICMP_NE},  // != -> !=
+            {CmpStmt::Predicate::ICMP_UGT, CmpStmt::Predicate::ICMP_ULT},  // > -> <
+            {CmpStmt::Predicate::ICMP_ULT, CmpStmt::Predicate::ICMP_UGT},  // < -> >
+            {CmpStmt::Predicate::ICMP_UGE, CmpStmt::Predicate::ICMP_ULE},  // >= -> <=
+            {CmpStmt::Predicate::ICMP_SGT, CmpStmt::Predicate::ICMP_SLT},  // > -> <
+            {CmpStmt::Predicate::ICMP_SLT, CmpStmt::Predicate::ICMP_SGT},  // < -> >
+            {CmpStmt::Predicate::ICMP_SGE, CmpStmt::Predicate::ICMP_SLE},  // >= -> <=
+    };
 
 };
 }
\ No newline at end of file
diff --git a/svf/lib/AE/Svfexe/AbstractInterpretation.cpp b/svf/lib/AE/Svfexe/AbstractInterpretation.cpp
index 50f7cdcf4..8ad30ddc3 100644
--- a/svf/lib/AE/Svfexe/AbstractInterpretation.cpp
+++ b/svf/lib/AE/Svfexe/AbstractInterpretation.cpp
@@ -36,54 +36,6 @@ using namespace SVF;
 using namespace SVFUtil;
 using namespace z3;
 
-// according to varieties of cmp insts,
-// maybe var X var, var X const, const X var, const X const
-// we accept 'var X const' 'var X var' 'const X const'
-// if 'const X var', we need to reverse op0 op1 and its predicate 'var X' const'
-// X' is reverse predicate of X
-// == -> !=, != -> ==, > -> <=, >= -> <, < -> >=, <= -> >
-
-Map<s32_t, s32_t> _reverse_predicate =
-{
-    {CmpStmt::Predicate::FCMP_OEQ, CmpStmt::Predicate::FCMP_ONE},  // == -> !=
-    {CmpStmt::Predicate::FCMP_UEQ, CmpStmt::Predicate::FCMP_UNE},  // == -> !=
-    {CmpStmt::Predicate::FCMP_OGT, CmpStmt::Predicate::FCMP_OLE},  // > -> <=
-    {CmpStmt::Predicate::FCMP_OGE, CmpStmt::Predicate::FCMP_OLT},  // >= -> <
-    {CmpStmt::Predicate::FCMP_OLT, CmpStmt::Predicate::FCMP_OGE},  // < -> >=
-    {CmpStmt::Predicate::FCMP_OLE, CmpStmt::Predicate::FCMP_OGT},  // <= -> >
-    {CmpStmt::Predicate::FCMP_ONE, CmpStmt::Predicate::FCMP_OEQ},  // != -> ==
-    {CmpStmt::Predicate::FCMP_UNE, CmpStmt::Predicate::FCMP_UEQ},  // != -> ==
-    {CmpStmt::Predicate::ICMP_EQ, CmpStmt::Predicate::ICMP_NE},  // == -> !=
-    {CmpStmt::Predicate::ICMP_NE, CmpStmt::Predicate::ICMP_EQ},  // != -> ==
-    {CmpStmt::Predicate::ICMP_UGT, CmpStmt::Predicate::ICMP_ULE},  // > -> <=
-    {CmpStmt::Predicate::ICMP_ULT, CmpStmt::Predicate::ICMP_UGE},  // < -> >=
-    {CmpStmt::Predicate::ICMP_UGE, CmpStmt::Predicate::ICMP_ULT},  // >= -> <
-    {CmpStmt::Predicate::ICMP_SGT, CmpStmt::Predicate::ICMP_SLE},  // > -> <=
-    {CmpStmt::Predicate::ICMP_SLT, CmpStmt::Predicate::ICMP_SGE},  // < -> >=
-    {CmpStmt::Predicate::ICMP_SGE, CmpStmt::Predicate::ICMP_SLT},  // >= -> <
-};
-
-
-Map<s32_t, s32_t> _switch_lhsrhs_predicate =
-{
-    {CmpStmt::Predicate::FCMP_OEQ, CmpStmt::Predicate::FCMP_OEQ},  // == -> ==
-    {CmpStmt::Predicate::FCMP_UEQ, CmpStmt::Predicate::FCMP_UEQ},  // == -> ==
-    {CmpStmt::Predicate::FCMP_OGT, CmpStmt::Predicate::FCMP_OLT},  // > -> <
-    {CmpStmt::Predicate::FCMP_OGE, CmpStmt::Predicate::FCMP_OLE},  // >= -> <=
-    {CmpStmt::Predicate::FCMP_OLT, CmpStmt::Predicate::FCMP_OGT},  // < -> >
-    {CmpStmt::Predicate::FCMP_OLE, CmpStmt::Predicate::FCMP_OGE},  // <= -> >=
-    {CmpStmt::Predicate::FCMP_ONE, CmpStmt::Predicate::FCMP_ONE},  // != -> !=
-    {CmpStmt::Predicate::FCMP_UNE, CmpStmt::Predicate::FCMP_UNE},  // != -> !=
-    {CmpStmt::Predicate::ICMP_EQ, CmpStmt::Predicate::ICMP_EQ},  // == -> ==
-    {CmpStmt::Predicate::ICMP_NE, CmpStmt::Predicate::ICMP_NE},  // != -> !=
-    {CmpStmt::Predicate::ICMP_UGT, CmpStmt::Predicate::ICMP_ULT},  // > -> <
-    {CmpStmt::Predicate::ICMP_ULT, CmpStmt::Predicate::ICMP_UGT},  // < -> >
-    {CmpStmt::Predicate::ICMP_UGE, CmpStmt::Predicate::ICMP_ULE},  // >= -> <=
-    {CmpStmt::Predicate::ICMP_SGT, CmpStmt::Predicate::ICMP_SLT},  // > -> <
-    {CmpStmt::Predicate::ICMP_SLT, CmpStmt::Predicate::ICMP_SGT},  // < -> >
-    {CmpStmt::Predicate::ICMP_SGE, CmpStmt::Predicate::ICMP_SLE},  // >= -> <=
-};
-
 
 void AbstractInterpretation::runOnModule(ICFG *_icfg)
 {