Program: 33251
Project: 33251
Buggy source:
public static DatasetMetaDataMapping getInstance(){
  if (instance == null) {
    Map<String,DatasetMetaData> mapping=new HashMap<String,DatasetMetaData>();
    mapping.put("String_Node_Str",new DatasetMetaData(4.43859649122807,0.011871246246246246,373.89473684210526,57,253,0.1413612565,0.4712041885,0.2513089005,0.1361256545));
    mapping.put("String_Node_Str",new DatasetMetaData(19.966977745872217,0.10701149602179165,186.58722182340273,1393,27814,0.4479166667,0.2000353107,0.2224576271,0.1295903955));
    mapping.put("String_Node_Str",new DatasetMetaData(22.180555555555557,0.10842064767249768,204.5787037037037,216,4791,0.4427207637,0.2285202864,0.2195704057,0.1091885442));
    mapping.put("String_Node_Str",new DatasetMetaData(19.415584415584416,0.11180635189709329,173.65367965367966,231,4485,0.3445692884,0.2322097378,0.3164794007,0.106741573));
    mapping.put("String_Node_Str",new DatasetMetaData(19.596194503171247,0.10556166115264816,185.63742071881606,946,18538,0.4244917715,0.215392062,0.2303969022,0.1297192643));
    mapping.put("String_Node_Str",new DatasetMetaData(14.54,0.06594702467343977,220.48,50,727,0.1379962193,0.2325141777,0.0586011342,0.5708884688));
    mapping.put("String_Node_Str",new DatasetMetaData(5.689655172413793,0.1986754966887417,28.637931034482758,58,330,0.0755555556,0.1555555556,0.0088888889,0.76));
    mapping.put("String_Node_Str",new DatasetMetaData(109.22330097087378,0.17017607551279723,641.8252427184466,103,11250,0.1041726619,0.1136690647,0.0581294964,0.724028777));
    mapping.put("String_Node_Str",new DatasetMetaData(2.86,0.2234375,12.8,50,143,0.475,0.1166666667,0.2333333333,0.175));
    mapping.put("String_Node_Str",new DatasetMetaData(1.6175298804780875,0.11850554582603619,13.649402390438247,502,812,0.1508704062,0.1721470019,0.1141199226,0.5628626692));
    mapping.put("String_Node_Str",new DatasetMetaData(1.2360515021459229,0.07175602949970102,17.225751072961373,1165,1440,0.2801082544,0.148849797,0.1542625169,0.4167794317));
    mapping.put("String_Node_Str",new DatasetMetaData(1.614957264957265,0.09288663848195851,17.386324786324785,2340,3779,0.2660714286,0.1952380952,0.1946428571,0.344047619));
    mapping.put("String_Node_Str",new DatasetMetaData(32.5,0.05975912475866507,543.85,20,650,0.1951219512,0.2787456446,0.181184669,0.3449477352));
    mapping.put("String_Node_Str",new DatasetMetaData(0.992,0.03199174406604747,31.008,500,496,0.1530612245,0.3163265306,0.3469387755,0.1836734694));
    mapping.put("String_Node_Str",new DatasetMetaData(4.8515625,0.03919959601060472,123.765625,128,621,0.3490813648,0.1837270341,0.3097112861,0.157480315));
    instance=new DatasetMetaDataMapping(mapping);
  }
  return instance;
}

Fixed version (ground truth):
public static DatasetMetaDataMapping getInstance(){
  if (instance == null) {
    Map<String,DatasetMetaData> mapping=new HashMap<String,DatasetMetaData>();
    mapping.put("String_Node_Str",new DatasetMetaData(5.368421052631579,0.014358108108108109,373.89473684210526,57,306,0.1413612565,0.4712041885,0.2513089005,0.1361256545));
    mapping.put("String_Node_Str",new DatasetMetaData(25.074659009332375,0.14256269183047085,175.8851399856425,1393,34929,0.4479166667,0.2000353107,0.2224576271,0.1295903955));
    mapping.put("String_Node_Str",new DatasetMetaData(27.39351851851852,0.14170079268146657,193.31944444444446,216,5917,0.4427207637,0.2285202864,0.2195704057,0.1091885442));
    mapping.put("String_Node_Str",new DatasetMetaData(24.31168831168831,0.14901690238013107,163.14718614718615,231,5616,0.3445692884,0.2322097378,0.3164794007,0.106741573));
    mapping.put("String_Node_Str",new DatasetMetaData(24.731501057082454,0.1413109130004107,175.01479915433404,946,23396,0.4244917715,0.215392062,0.2303969022,0.1297192643));
    mapping.put("String_Node_Str",new DatasetMetaData(14.54,0.06594702467343977,220.48,50,727,0.1379962193,0.2325141777,0.0586011342,0.5708884688));
    mapping.put("String_Node_Str",new DatasetMetaData(5.689655172413793,0.1986754966887417,28.637931034482758,58,330,0.0755555556,0.1555555556,0.0088888889,0.76));
    mapping.put("String_Node_Str",new DatasetMetaData(176.03846153846155,0.2751799912822594,639.7211538461538,104,18308,0.1041726619,0.1136690647,0.0581294964,0.724028777));
    mapping.put("String_Node_Str",new DatasetMetaData(2.88,0.225,12.8,50,144,0.475,0.1166666667,0.2333333333,0.175));
    mapping.put("String_Node_Str",new DatasetMetaData(1.190521327014218,0.060829135993800854,19.571563981042654,1055,1256,0.2801082544,0.148849797,0.1542625169,0.4167794317));
    mapping.put("String_Node_Str",new DatasetMetaData(1.6333333333333333,0.09394356503785271,17.386324786324785,2340,3822,0.2660714286,0.1952380952,0.1946428571,0.344047619));
    mapping.put("String_Node_Str",new DatasetMetaData(37.75,0.06941252183506481,543.85,20,755,0.1951219512,0.2787456446,0.181184669,0.3449477352));
    mapping.put("String_Node_Str",new DatasetMetaData(2.0,0.06449948400412797,31.008,500,1000,0.1530612245,0.3163265306,0.3469387755,0.1836734694));
    mapping.put("String_Node_Str",new DatasetMetaData(6.875,0.055548541850776414,123.765625,128,880,0.3490813648,0.1837270341,0.3097112861,0.157480315));
    instance=new DatasetMetaDataMapping(mapping);
  }
  return instance;
}