source: CIVL/examples/omp/dataracebench-1.3.2/micro-benchmarks-fortran/DRB003-antidep2-orig-yes.f95

!!!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!!!
!!! Copyright (c) 2017-20, Lawrence Livermore National Security, LLC
!!! and DataRaceBench project contributors. See the DataRaceBench/COPYRIGHT file for details.
!!!
!!! SPDX-License-Identifier: (BSD-3-Clause)
!!!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!!!

!A two-level loop nest with loop carried anti-dependence on the outer level.
!Data race pair: a[i][j]@29:13 vs. a[i+1][j]@29:31

program DRB003_antidep2_orig_yes
    use omp_lib
    implicit none

    integer :: i, j, len
    real :: a(20,20)

    len = 20

    do i = 1, len
        do j = 1, len
            a(i,j) = 0.5
        end do
    end do

    !$omp parallel do private(j)
    do i = 1, len-1
        do j = 1, len
            a(i,j) = a(i,j) + a(i+1,j)
        end do
    end do
    !$omp end parallel do

    write(*,*) 'a(10,10) =', a(10,10)

end program