Program: 130637
Project: 130637
Buggy source:
public static FQLPPEnvironment makeEnv(String str,FQLPPProgram init){
  Map<String,Fn<?,?>> fns=new HashMap<>();
  Map<String,Set<?>> sets=new HashMap<>();
  Map<String,Category<?,?>> cats=new HashMap<>();
  Map<String,Functor<?,?,?,?>> ftrs=new HashMap<>();
  Map<String,Transform<?,?,?,?>> trans=new HashMap<>();
  FQLPPEnvironment ret=new FQLPPEnvironment(init,str,sets,fns,cats,ftrs,trans);
  for (  Entry<String,CatExp> k : init.cats.entrySet()) {
    init.cats.put(k.getKey(),k.getValue().accept(init,new PreProcessor()));
  }
  for (  String k : init.order) {
    SetExp se=init.sets.get(k);
    if (se != null) {
      try {
        Set<?> xxx=se.accept(init,new SetOps(ret));
        if (!(xxx instanceof Set)) {
          throw new RuntimeException("String_Node_Str");
        }
        sets.put(k,xxx);
      }
 catch (      Throwable t) {
        t.printStackTrace();
        throw new LineException(t.getLocalizedMessage(),k,"String_Node_Str");
      }
    }
    FnExp fe=init.fns.get(k);
    if (fe != null) {
      try {
        Fn<?,?> xxx=fe.accept(init,new SetOps(ret));
        if (!(xxx instanceof Fn)) {
          throw new RuntimeException("String_Node_Str");
        }
        fns.put(k,xxx);
      }
 catch (      Throwable t) {
        t.printStackTrace();
        throw new LineException(t.getLocalizedMessage(),k,"String_Node_Str");
      }
    }
    CatExp ce=init.cats.get(k);
    if (ce != null) {
      try {
        Category<?,?> xxx=ce.accept(init,new CatOps(ret));
        if (!(xxx instanceof Category)) {
          throw new RuntimeException("String_Node_Str");
        }
        cats.put(k,xxx);
      }
 catch (      Throwable t) {
        t.printStackTrace();
        throw new LineException(t.getLocalizedMessage(),k,"String_Node_Str");
      }
    }
    FunctorExp FE=init.ftrs.get(k);
    if (FE != null) {
      try {
        Functor<?,?,?,?> xxx=FE.accept(init,new CatOps(ret));
        if (!(xxx instanceof Functor)) {
          throw new RuntimeException("String_Node_Str" + xxx.getClass() + "String_Node_Str"+ xxx);
        }
        ftrs.put(k,xxx);
      }
 catch (      Throwable t) {
        t.printStackTrace();
        throw new LineException(t.getLocalizedMessage(),k,"String_Node_Str");
      }
    }
    TransExp te=init.trans.get(k);
    if (te != null) {
      try {
        Transform<?,?,?,?> xxx=te.accept(init,new CatOps(ret));
        if (!(xxx instanceof Transform)) {
          throw new RuntimeException("String_Node_Str");
        }
        trans.put(k,xxx);
      }
 catch (      Throwable t) {
        t.printStackTrace();
        throw new LineException(t.getLocalizedMessage(),k,"String_Node_Str");
      }
    }
  }
  return ret;
}

Fixed version (ground truth):
public static FQLPPEnvironment makeEnv(String str,FQLPPProgram init,String[] toUpdate){
  Map<String,Fn<?,?>> fns=new HashMap<>();
  Map<String,Set<?>> sets=new HashMap<>();
  Map<String,Category<?,?>> cats=new HashMap<>();
  Map<String,Functor<?,?,?,?>> ftrs=new HashMap<>();
  Map<String,Transform<?,?,?,?>> trans=new HashMap<>();
  FQLPPEnvironment ret=new FQLPPEnvironment(init,str,sets,fns,cats,ftrs,trans);
  for (  Entry<String,CatExp> k : init.cats.entrySet()) {
    init.cats.put(k.getKey(),k.getValue().accept(init,new PreProcessor()));
  }
  for (  String k : init.order) {
    SetExp se=init.sets.get(k);
    if (se != null) {
      try {
        Set<?> xxx=se.accept(init,new SetOps(ret));
        if (!(xxx instanceof Set)) {
          throw new RuntimeException("String_Node_Str");
        }
        sets.put(k,xxx);
      }
 catch (      Throwable t) {
        t.printStackTrace();
        throw new LineException(t.getLocalizedMessage(),k,"String_Node_Str");
      }
      toUpdate[0]="String_Node_Str" + k;
    }
    FnExp fe=init.fns.get(k);
    if (fe != null) {
      try {
        Fn<?,?> xxx=fe.accept(init,new SetOps(ret));
        if (!(xxx instanceof Fn)) {
          throw new RuntimeException("String_Node_Str");
        }
        fns.put(k,xxx);
        toUpdate[0]="String_Node_Str" + k;
      }
 catch (      Throwable t) {
        t.printStackTrace();
        throw new LineException(t.getLocalizedMessage(),k,"String_Node_Str");
      }
    }
    CatExp ce=init.cats.get(k);
    if (ce != null) {
      try {
        Category<?,?> xxx=ce.accept(init,new CatOps(ret));
        if (!(xxx instanceof Category)) {
          throw new RuntimeException("String_Node_Str");
        }
        cats.put(k,xxx);
        toUpdate[0]="String_Node_Str" + k;
      }
 catch (      Throwable t) {
        t.printStackTrace();
        throw new LineException(t.getLocalizedMessage(),k,"String_Node_Str");
      }
    }
    FunctorExp FE=init.ftrs.get(k);
    if (FE != null) {
      try {
        Functor<?,?,?,?> xxx=FE.accept(init,new CatOps(ret));
        if (!(xxx instanceof Functor)) {
          throw new RuntimeException("String_Node_Str" + xxx.getClass() + "String_Node_Str"+ xxx);
        }
        ftrs.put(k,xxx);
        toUpdate[0]="String_Node_Str" + k;
      }
 catch (      Throwable t) {
        t.printStackTrace();
        throw new LineException(t.getLocalizedMessage(),k,"String_Node_Str");
      }
    }
    TransExp te=init.trans.get(k);
    if (te != null) {
      try {
        Transform<?,?,?,?> xxx=te.accept(init,new CatOps(ret));
        if (!(xxx instanceof Transform)) {
          throw new RuntimeException("String_Node_Str");
        }
        trans.put(k,xxx);
        toUpdate[0]="String_Node_Str" + k;
      }
 catch (      Throwable t) {
        t.printStackTrace();
        throw new LineException(t.getLocalizedMessage(),k,"String_Node_Str");
      }
    }
  }
  return ret;
}