Program: 191580
Project: 191580
Buggy source:
public void computeTotalMemoryUse(TotalMemoryUseCollection data,long now){
  data.totalTime=0;
  for (int i=0; i < STATE_COUNT; i++) {
    data.processStateWeight[i]=0;
    data.processStatePss[i]=0;
    data.processStateTime[i]=0;
    data.processStateSamples[i]=0;
  }
  for (int i=0; i < SYS_MEM_USAGE_COUNT; i++) {
    data.sysMemUsage[i]=0;
  }
  data.sysMemCachedWeight=0;
  data.sysMemFreeWeight=0;
  data.sysMemZRamWeight=0;
  data.sysMemKernelWeight=0;
  data.sysMemNativeWeight=0;
  data.sysMemSamples=0;
  final long[] totalMemUsage=mSysMemUsage.getTotalMemUsage();
  for (int is=0; is < data.screenStates.length; is++) {
    for (int im=0; im < data.memStates.length; im++) {
      int memBucket=data.screenStates[is] + data.memStates[im];
      int stateBucket=memBucket * STATE_COUNT;
      long memTime=mMemFactorDurations[memBucket];
      if (mMemFactor == memBucket) {
        memTime+=now - mStartTime;
      }
      data.totalTime+=memTime;
      final int sysKey=mSysMemUsage.getKey((byte)stateBucket);
      long[] longs=totalMemUsage;
      int idx=0;
      if (sysKey != SparseMappingTable.INVALID_KEY) {
        final long[] tmpLongs=mSysMemUsage.getArrayForKey(sysKey);
        final int tmpIndex=SparseMappingTable.getIndexFromKey(sysKey);
        if (tmpLongs[tmpIndex + SYS_MEM_USAGE_SAMPLE_COUNT] >= 3) {
          SysMemUsageTable.mergeSysMemUsage(data.sysMemUsage,0,longs,idx);
          longs=tmpLongs;
          idx=tmpIndex;
        }
      }
      data.sysMemCachedWeight+=longs[idx + SYS_MEM_USAGE_CACHED_AVERAGE] * (double)memTime;
      data.sysMemFreeWeight+=longs[idx + SYS_MEM_USAGE_FREE_AVERAGE] * (double)memTime;
      data.sysMemZRamWeight+=longs[idx + SYS_MEM_USAGE_ZRAM_AVERAGE] * (double)memTime;
      data.sysMemKernelWeight+=longs[idx + SYS_MEM_USAGE_KERNEL_AVERAGE] * (double)memTime;
      data.sysMemNativeWeight+=longs[idx + SYS_MEM_USAGE_NATIVE_AVERAGE] * (double)memTime;
      data.sysMemSamples+=longs[idx + SYS_MEM_USAGE_SAMPLE_COUNT];
    }
  }
  ArrayMap<String,SparseArray<ProcessState>> procMap=mProcesses.getMap();
  for (int iproc=0; iproc < procMap.size(); iproc++) {
    SparseArray<ProcessState> uids=procMap.valueAt(iproc);
    for (int iu=0; iu < uids.size(); iu++) {
      final ProcessState proc=uids.valueAt(iu);
      proc.aggregatePss(data,now);
    }
  }
}

Fixed version (ground truth):
public void computeTotalMemoryUse(TotalMemoryUseCollection data,long now){
  data.totalTime=0;
  for (int i=0; i < STATE_COUNT; i++) {
    data.processStateWeight[i]=0;
    data.processStatePss[i]=0;
    data.processStateTime[i]=0;
    data.processStateSamples[i]=0;
  }
  for (int i=0; i < SYS_MEM_USAGE_COUNT; i++) {
    data.sysMemUsage[i]=0;
  }
  data.sysMemCachedWeight=0;
  data.sysMemFreeWeight=0;
  data.sysMemZRamWeight=0;
  data.sysMemKernelWeight=0;
  data.sysMemNativeWeight=0;
  data.sysMemSamples=0;
  final long[] totalMemUsage=mSysMemUsage.getTotalMemUsage();
  for (int is=0; is < data.screenStates.length; is++) {
    for (int im=0; im < data.memStates.length; im++) {
      int memBucket=data.screenStates[is] + data.memStates[im];
      int stateBucket=memBucket * STATE_COUNT;
      long memTime=mMemFactorDurations[memBucket];
      if (mMemFactor == memBucket) {
        memTime+=now - mStartTime;
      }
      data.totalTime+=memTime;
      final int sysKey=mSysMemUsage.getKey((byte)stateBucket);
      long[] longs=totalMemUsage;
      int idx=0;
      if (sysKey != SparseMappingTable.INVALID_KEY) {
        final long[] tmpLongs=mSysMemUsage.getArrayForKey(sysKey);
        final int tmpIndex=SparseMappingTable.getIndexFromKey(sysKey);
        if (tmpLongs[tmpIndex + SYS_MEM_USAGE_SAMPLE_COUNT] >= 3) {
          SysMemUsageTable.mergeSysMemUsage(data.sysMemUsage,0,longs,idx);
          longs=tmpLongs;
          idx=tmpIndex;
        }
      }
      data.sysMemCachedWeight+=longs[idx + SYS_MEM_USAGE_CACHED_AVERAGE] * (double)memTime;
      data.sysMemFreeWeight+=longs[idx + SYS_MEM_USAGE_FREE_AVERAGE] * (double)memTime;
      data.sysMemZRamWeight+=longs[idx + SYS_MEM_USAGE_ZRAM_AVERAGE] * (double)memTime;
      data.sysMemKernelWeight+=longs[idx + SYS_MEM_USAGE_KERNEL_AVERAGE] * (double)memTime;
      data.sysMemNativeWeight+=longs[idx + SYS_MEM_USAGE_NATIVE_AVERAGE] * (double)memTime;
      data.sysMemSamples+=longs[idx + SYS_MEM_USAGE_SAMPLE_COUNT];
    }
  }
  data.hasSwappedOutPss=mHasSwappedOutPss;
  ArrayMap<String,SparseArray<ProcessState>> procMap=mProcesses.getMap();
  for (int iproc=0; iproc < procMap.size(); iproc++) {
    SparseArray<ProcessState> uids=procMap.valueAt(iproc);
    for (int iu=0; iu < uids.size(); iu++) {
      final ProcessState proc=uids.valueAt(iu);
      proc.aggregatePss(data,now);
    }
  }
}