Package check result: ERROR

Check: examples, Result: ERROR
  Running examples in ‘FLSSS-Ex.R’ failed
  The error most likely occurred in:
  
  > base::assign(".ptime", proc.time(), pos = "CheckExEnv")
  > ### Name: arbFLSSS
  > ### Title: Multidimensional exact subset sum in arbitrary precision and
  > ###   magnitude
  > ### Aliases: arbFLSSS
  > 
  > ### ** Examples
  > 
  > set.seed(1)
  > N = 200L # Superset size.
  > len = 20L # Subset size.
  > V = sapply(1:N, function(i) # Generate a set where every "number" has at most
  +   # 100 digits.
  + {
  +   a = 0:9
  +   left = sample(a, size = sample(50, 1), replace = TRUE)
  +   right = sample(a, size = sample(50, 1), replace = TRUE)
  +   x = paste0(paste0(left, collapse = ""), ".", paste0(right, collapse = ""))
  +   if (runif(1) < 0.5) x = paste0("-", x) # Randomly add a negative sign.
  +   x
  + })
  > str(V)
   chr [1:200] "-6016.1204495968448844198032599533986587867596295" ...
  > 
  > 
  > sol = sample(N, len) # Make a solution.
  > target = FLSSS::addNumStrings(V[sol]) # An unexposed helper function.
  > 
  > 
  > # Uncomment the following block for testing the code since CRAN check uses 
  > # Valgrind, which takes over 5s to run.
  > # system.time({
  > #   rst = FLSSS::arbFLSSS(
  > #     len = len, V = Vstr, target, givenKsumTable = NULL, tlimit = 60,
  > #     solutionNeed = 1e9, maxCore = 2, ksumK = 4, verbose = TRUE)
  > # })
  > # 
  > # 
  > # # Validation.
  > # all(unlist(lapply(rst, function(x)
  > # {
  > #   apply(Vstr, 2, function(u) FLSSS:::addNumStrings(u[x]))
  > # })) == targetStr)
  > 
  > 
  > 
  > # ==============================================================================
  > # Mine in a multidimensional set.
  > # ==============================================================================
  > set.seed(2)
  > d = 4L # Set dimension.
  > N = 50L # Set size.
  > len = 10L # Subset size.
  > roundN = 4L # For rounding the numeric values before conversion to strings.
  > 
  > 
  > V = matrix(round(runif(N * d, -1, 1), roundN), nrow = N) # Make superset.
  > optionSave = options()
  > options(scipen = 999) # Ensure numeric-to-string conversion does not
  > # produce strings like "2e-3".
  > Vstr = matrix(as.character(V), nrow = N)
  > 
  > 
  > sol = sample(N, len) # Make a solution.
  > target = round(colSums(V[sol, ]), roundN) # Target subset sum.
  > targetStr = as.character(target)
  > 
  > 
  > system.time({
  +   rst = FLSSS::arbFLSSS(
  +     len = len, V = Vstr, target, givenKsumTable = NULL, tlimit = 60,
  +     solutionNeed = 1e9, maxCore = 2, ksumK = 4, verbose = TRUE)
  + })
  Transform string input to bit streams and create flsss objects to mine..
  
  ==3827508== 
  ==3827508== Process terminating with default action of signal 15 (SIGTERM)
  ==3827508==    at 0x1FF7B068: CharlieThreadPool::parFor(unsigned long, unsigned long, std::function<bool (unsigned long, unsigned long)>, unsigned long, std::function<bool (unsigned long)>, std::function<bool (unsigned long)>) (/home/hornik/tmp/CRAN_special_valgrind/FLSSS.Rcheck/00_pkg_src/FLSSS/src/arbitraryDimFLSSS/charlieThreadPool.hpp:136)
  ==3827508==    by 0x1FFA36A2: stringMatTo64bitIntMat(Rcpp::Matrix<16, Rcpp::PreserveStorage>&, Rcpp::Vector<16, Rcpp::PreserveStorage>&, int, CharlieThreadPool&, std::vector<unsigned long, std::allocator<unsigned long> >&, std::vector<unsigned long, std::allocator<unsigned long> >&, std::vector<unsigned long, std::allocator<unsigned long> >&, std::vector<int, std::allocator<int> >&, std::vector<int, std::allocator<int> >&, int&, bool) (/home/hornik/tmp/CRAN_special_valgrind/FLSSS.Rcheck/00_pkg_src/FLSSS/src/arbitraryDimFLSSS/intString2intArray.hpp:394)
  ==3827508==    by 0x1FFA7D15: bool makeMflsssObjs<signed char>(int, Rcpp::Matrix<16, Rcpp::PreserveStorage>, Rcpp::Vector<16, Rcpp::PreserveStorage>, int, int, CharlieThreadPool&, std::vector<mflsssOBJ<signed char>, std::allocator<mflsssOBJ<signed char> > >&, std::vector<std::vector<signed char, std::allocator<signed char> >, std::allocator<std::vector<signed char, std::allocator<signed char> > > >&, Shared<signed char>&, double, std::vector<int, std::allocator<int> >&, TriM&, KsumLookUpTable<signed char>&, bool) (/home/hornik/tmp/CRAN_special_valgrind/FLSSS.Rcheck/00_pkg_src/FLSSS/src/arbitraryDimFLSSS/mflsssDecomp.hpp:43)
  ==3827508==    by 0x1FFA8B2B: Rcpp::Vector<19, Rcpp::PreserveStorage> mflsssArb<signed char>(int, Rcpp::Matrix<16, Rcpp::PreserveStorage>, Rcpp::Vector<16, Rcpp::PreserveStorage>, int, CharlieThreadPool&, int, double, Rcpp::Vector<19, Rcpp::PreserveStorage>, int, int, bool) (/home/hornik/tmp/CRAN_special_valgrind/FLSSS.Rcheck/00_pkg_src/FLSSS/src/arbitraryDimFLSSS/mflsssDecomp.hpp:253)
  ==3827508==    by 0x1FF7961A: arbFLSSS(int, Rcpp::Matrix<16, Rcpp::PreserveStorage>, Rcpp::Vector<16, Rcpp::PreserveStorage>, SEXPREC*, int, int, double, int, int, int, bool) (/home/hornik/tmp/CRAN_special_valgrind/FLSSS.Rcheck/00_pkg_src/FLSSS/src/mflsssArb.cpp:32)
  ==3827508==    by 0x1FF1494D: _FLSSS_arbFLSSS (/home/hornik/tmp/CRAN_special_valgrind/FLSSS.Rcheck/00_pkg_src/FLSSS/src/RcppExports.cpp:329)
  ==3827508==    by 0x495D863: R_doDotCall (/home/hornik/src/R/src/main/dotcode.c:801)
  ==3827508==    by 0x49A2702: bcEval_loop (/home/hornik/src/R/src/main/eval.c:8668)
  ==3827508==    by 0x49AA6B5: bcEval (/home/hornik/src/R/src/main/eval.c:7501)
  ==3827508==    by 0x49AA6B5: bcEval (/home/hornik/src/R/src/main/eval.c:7486)
  ==3827508==    by 0x49AAA2A: Rf_eval (/home/hornik/src/R/src/main/eval.c:1167)
  ==3827508==    by 0x49ACB2D: R_execClosure (/home/hornik/src/R/src/main/eval.c:2393)
  ==3827508==    by 0x49AD88C: applyClosure_core (/home/hornik/src/R/src/main/eval.c:2306)
  ==3827508== 
  ==3827508== HEAP SUMMARY:
  ==3827508==     in use at exit: 59,912,766 bytes in 12,890 blocks
  ==3827508==   total heap usage: 35,010,407 allocs, 34,997,517 frees, 320,854,137 bytes allocated
  ==3827508== 
  Examples with CPU (user + system) or elapsed time > 5s
           user system elapsed
  FLSSS 277.298 11.645 289.029

Post-processing issues found:

File: FLSSS-Ex.Rout
==3827508== Memcheck, a memory error detector
==3827508== Copyright (C) 2002-2024, and GNU GPL'd, by Julian Seward et al.
==3827508== Using Valgrind-3.24.0 and LibVEX; rerun with -h for copyright info
==3827508== Command: /home/hornik/tmp/R-d-gcc-valg/bin/exec/R --vanilla
==3827508== 
==3827508== 
==3827508== Process terminating with default action of signal 15 (SIGTERM)
==3827508==    at 0x1FF7B068: CharlieThreadPool::parFor(unsigned long, unsigned long, std::function<bool (unsigned long, unsigned long)>, unsigned long, std::function<bool (unsigned long)>, std::function<bool (unsigned long)>) (/home/hornik/tmp/CRAN_special_valgrind/FLSSS.Rcheck/00_pkg_src/FLSSS/src/arbitraryDimFLSSS/charlieThreadPool.hpp:136)
==3827508==    by 0x1FFA36A2: stringMatTo64bitIntMat(Rcpp::Matrix<16, Rcpp::PreserveStorage>&, Rcpp::Vector<16, Rcpp::PreserveStorage>&, int, CharlieThreadPool&, std::vector<unsigned long, std::allocator<unsigned long> >&, std::vector<unsigned long, std::allocator<unsigned long> >&, std::vector<unsigned long, std::allocator<unsigned long> >&, std::vector<int, std::allocator<int> >&, std::vector<int, std::allocator<int> >&, int&, bool) (/home/hornik/tmp/CRAN_special_valgrind/FLSSS.Rcheck/00_pkg_src/FLSSS/src/arbitraryDimFLSSS/intString2intArray.hpp:394)
==3827508==    by 0x1FFA7D15: bool makeMflsssObjs<signed char>(int, Rcpp::Matrix<16, Rcpp::PreserveStorage>, Rcpp::Vector<16, Rcpp::PreserveStorage>, int, int, CharlieThreadPool&, std::vector<mflsssOBJ<signed char>, std::allocator<mflsssOBJ<signed char> > >&, std::vector<std::vector<signed char, std::allocator<signed char> >, std::allocator<std::vector<signed char, std::allocator<signed char> > > >&, Shared<signed char>&, double, std::vector<int, std::allocator<int> >&, TriM&, KsumLookUpTable<signed char>&, bool) (/home/hornik/tmp/CRAN_special_valgrind/FLSSS.Rcheck/00_pkg_src/FLSSS/src/arbitraryDimFLSSS/mflsssDecomp.hpp:43)
==3827508==    by 0x1FFA8B2B: Rcpp::Vector<19, Rcpp::PreserveStorage> mflsssArb<signed char>(int, Rcpp::Matrix<16, Rcpp::PreserveStorage>, Rcpp::Vector<16, Rcpp::PreserveStorage>, int, CharlieThreadPool&, int, double, Rcpp::Vector<19, Rcpp::PreserveStorage>, int, int, bool) (/home/hornik/tmp/CRAN_special_valgrind/FLSSS.Rcheck/00_pkg_src/FLSSS/src/arbitraryDimFLSSS/mflsssDecomp.hpp:253)
==3827508==    by 0x1FF7961A: arbFLSSS(int, Rcpp::Matrix<16, Rcpp::PreserveStorage>, Rcpp::Vector<16, Rcpp::PreserveStorage>, SEXPREC*, int, int, double, int, int, int, bool) (/home/hornik/tmp/CRAN_special_valgrind/FLSSS.Rcheck/00_pkg_src/FLSSS/src/mflsssArb.cpp:32)
==3827508==    by 0x1FF1494D: _FLSSS_arbFLSSS (/home/hornik/tmp/CRAN_special_valgrind/FLSSS.Rcheck/00_pkg_src/FLSSS/src/RcppExports.cpp:329)
==3827508==    by 0x495D863: R_doDotCall (/home/hornik/src/R/src/main/dotcode.c:801)
==3827508==    by 0x49A2702: bcEval_loop (/home/hornik/src/R/src/main/eval.c:8668)
==3827508==    by 0x49AA6B5: bcEval (/home/hornik/src/R/src/main/eval.c:7501)
==3827508==    by 0x49AA6B5: bcEval (/home/hornik/src/R/src/main/eval.c:7486)
==3827508==    by 0x49AAA2A: Rf_eval (/home/hornik/src/R/src/main/eval.c:1167)
==3827508==    by 0x49ACB2D: R_execClosure (/home/hornik/src/R/src/main/eval.c:2393)
==3827508==    by 0x49AD88C: applyClosure_core (/home/hornik/src/R/src/main/eval.c:2306)
==3827508== 
==3827508== HEAP SUMMARY:
==3827508==     in use at exit: 59,912,766 bytes in 12,890 blocks
==3827508==   total heap usage: 35,010,407 allocs, 34,997,517 frees, 320,854,137 bytes allocated
==3827508== 
==3827508== LEAK SUMMARY:
==3827508==    definitely lost: 0 bytes in 0 blocks
==3827508==    indirectly lost: 0 bytes in 0 blocks
==3827508==      possibly lost: 14,422 bytes in 48 blocks
==3827508==    still reachable: 59,898,344 bytes in 12,842 blocks
==3827508==                       of which reachable via heuristic:
==3827508==                         newarray           : 110,832 bytes in 28 blocks
==3827508==         suppressed: 0 bytes in 0 blocks
==3827508== Rerun with --leak-check=full to see details of leaked memory
==3827508== 
==3827508== For lists of detected and suppressed errors, rerun with: -s
==3827508== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)