//#Safe
type _SIZE_T_TYPE = bv32;

procedure _ATOMIC_OP32(x: [bv32]bv32, y: bv32) returns (z$1: bv32, A$1: [bv32]bv32, z$2: bv32, A$2: [bv32]bv32);

var {:source_name "A"} {:group_shared} $$A: [bv1][bv32]bv32;

axiom {:array_info "$$A"} {:group_shared} {:elem_width 32} {:source_name "A"} {:source_elem_width 32} {:source_dimensions "*"} true;

var {:race_checking} {:group_shared} {:elem_width 32} {:source_elem_width 32} {:source_dimensions "*"} _READ_HAS_OCCURRED_$$A: bool;

var {:race_checking} {:group_shared} {:elem_width 32} {:source_elem_width 32} {:source_dimensions "*"} _WRITE_HAS_OCCURRED_$$A: bool;

var {:race_checking} {:group_shared} {:elem_width 32} {:source_elem_width 32} {:source_dimensions "*"} _ATOMIC_HAS_OCCURRED_$$A: bool;

const _WATCHED_OFFSET: bv32;

const {:global_offset_x} global_offset_x: bv32;

const {:global_offset_y} global_offset_y: bv32;

const {:global_offset_z} global_offset_z: bv32;

const {:group_size_x} group_size_x: bv32;

const {:group_size_y} group_size_y: bv32;

const {:group_size_z} group_size_z: bv32;

const {:local_id_x} local_id_x$1: bv32;

const {:local_id_x} local_id_x$2: bv32;

const {:num_groups_x} num_groups_x: bv32;

const {:num_groups_y} num_groups_y: bv32;

const {:num_groups_z} num_groups_z: bv32;

function {:builtin "bvadd"} BV32_ADD(bv32, bv32) : bv32;

function {:builtin "bvand"} BV32_AND(bv32, bv32) : bv32;

function {:builtin "bvsge"} BV32_SGE(bv32, bv32) : bool;

function {:builtin "bvslt"} BV32_SLT(bv32, bv32) : bool;

function {:builtin "bvugt"} BV32_UGT(bv32, bv32) : bool;

function {:builtin "bvult"} BV32_ULT(bv32, bv32) : bool;

function {:builtin "zero_extend 31"} BV1_ZEXT32(bv1) : bv32;

procedure {:source_name "add_neighbour"} ULTIMATE.start($offset: bv32);
  requires (if BV32_AND(BV32_AND(BV1_ZEXT32((if BV32_SGE($offset, 0bv32) then 1bv1 else 0bv1)), BV1_ZEXT32((if BV32_UGT($offset, group_size_x) then 1bv1 else 0bv1))), BV1_ZEXT32((if BV32_SLT($offset, 1000000bv32) then 1bv1 else 0bv1))) != 0bv32 then 1bv1 else 0bv1) != 0bv1;
  requires !_READ_HAS_OCCURRED_$$A && !_WRITE_HAS_OCCURRED_$$A && !_ATOMIC_HAS_OCCURRED_$$A;
  requires BV32_SGT(group_size_x, 0bv32);
  requires BV32_SGT(num_groups_x, 0bv32);
  requires BV32_SGE(group_id_x$1, 0bv32);
  requires BV32_SGE(group_id_x$2, 0bv32);
  requires BV32_SLT(group_id_x$1, num_groups_x);
  requires BV32_SLT(group_id_x$2, num_groups_x);
  requires BV32_SGE(local_id_x$1, 0bv32);
  requires BV32_SGE(local_id_x$2, 0bv32);
  requires BV32_SLT(local_id_x$1, group_size_x);
  requires BV32_SLT(local_id_x$2, group_size_x);
  requires BV32_SGT(group_size_y, 0bv32);
  requires BV32_SGT(num_groups_y, 0bv32);
  requires BV32_SGE(group_id_y$1, 0bv32);
  requires BV32_SGE(group_id_y$2, 0bv32);
  requires BV32_SLT(group_id_y$1, num_groups_y);
  requires BV32_SLT(group_id_y$2, num_groups_y);
  requires BV32_SGE(local_id_y$1, 0bv32);
  requires BV32_SGE(local_id_y$2, 0bv32);
  requires BV32_SLT(local_id_y$1, group_size_y);
  requires BV32_SLT(local_id_y$2, group_size_y);
  requires BV32_SGT(group_size_z, 0bv32);
  requires BV32_SGT(num_groups_z, 0bv32);
  requires BV32_SGE(group_id_z$1, 0bv32);
  requires BV32_SGE(group_id_z$2, 0bv32);
  requires BV32_SLT(group_id_z$1, num_groups_z);
  requires BV32_SLT(group_id_z$2, num_groups_z);
  requires BV32_SGE(local_id_z$1, 0bv32);
  requires BV32_SGE(local_id_z$2, 0bv32);
  requires BV32_SLT(local_id_z$1, group_size_z);
  requires BV32_SLT(local_id_z$2, group_size_z);
  requires group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2 ==> local_id_x$1 != local_id_x$2 || local_id_y$1 != local_id_y$2 || local_id_z$1 != local_id_z$2;
  modifies $$A, _READ_HAS_OCCURRED_$$A, _WRITE_HAS_OCCURRED_$$A, _WRITE_READ_BENIGN_FLAG_$$A, _WRITE_READ_BENIGN_FLAG_$$A;

implementation {:source_name "add_neighbour"} ULTIMATE.start($offset: bv32)
{
  var v0$1: bv32;
  var v0$2: bv32;
  var v1$1: bv32;
  var v1$2: bv32;

  $entry:
    assume BV1_ZEXT32((if BV32_ULT(local_id_x$1, 10bv32) then 1bv1 else 0bv1)) != 0bv32 && BV1_ZEXT32((if BV32_ULT(local_id_x$2, 10bv32) then 1bv1 else 0bv1)) != 0bv32;
    call _LOG_READ_$$A(true, local_id_x$1, $$A[1bv1][local_id_x$1]);
    assume {:do_not_predicate} {:check_id "check_state_0"} {:captureState "check_state_0"} {:sourceloc} {:sourceloc_num 2} true;
    call _CHECK_READ_$$A(true, local_id_x$2, $$A[(if group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2 then 1bv1 else 0bv1)][local_id_x$2]);
    assume {:captureState "call_return_state_0"} {:procedureName "_CHECK_READ_$$A"} true;
    v0$1 := $$A[1bv1][local_id_x$1];
    v0$2 := $$A[(if group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2 then 1bv1 else 0bv1)][local_id_x$2];
    call _LOG_READ_$$A(true, BV32_ADD(local_id_x$1, $offset), $$A[1bv1][BV32_ADD(local_id_x$1, $offset)]);
    assume {:do_not_predicate} {:check_id "check_state_1"} {:captureState "check_state_1"} {:sourceloc} {:sourceloc_num 3} true;
    call _CHECK_READ_$$A(true, BV32_ADD(local_id_x$2, $offset), $$A[(if group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2 then 1bv1 else 0bv1)][BV32_ADD(local_id_x$2, $offset)]);
    assume {:captureState "call_return_state_0"} {:procedureName "_CHECK_READ_$$A"} true;
    v1$1 := $$A[1bv1][BV32_ADD(local_id_x$1, $offset)];
    v1$2 := $$A[(if group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2 then 1bv1 else 0bv1)][BV32_ADD(local_id_x$2, $offset)];
    call _LOG_WRITE_$$A(true, local_id_x$1, BV32_ADD(v0$1, v1$1), $$A[1bv1][local_id_x$1]);
    call _UPDATE_WRITE_READ_BENIGN_FLAG_$$A(true, local_id_x$2);
    assume {:do_not_predicate} {:check_id "check_state_2"} {:captureState "check_state_2"} {:sourceloc} {:sourceloc_num 4} true;
    call _CHECK_WRITE_$$A(true, local_id_x$2, BV32_ADD(v0$2, v1$2));
    assume {:captureState "call_return_state_0"} {:procedureName "_CHECK_WRITE_$$A"} true;
    $$A[1bv1][local_id_x$1] := BV32_ADD(v0$1, v1$1);
    $$A[(if group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2 then 1bv1 else 0bv1)][local_id_x$2] := BV32_ADD(v0$2, v1$2);
    return;
}

axiom (if group_size_y == 1bv32 then 1bv1 else 0bv1) != 0bv1;

axiom (if group_size_z == 1bv32 then 1bv1 else 0bv1) != 0bv1;

axiom (if num_groups_y == 1bv32 then 1bv1 else 0bv1) != 0bv1;

axiom (if num_groups_z == 1bv32 then 1bv1 else 0bv1) != 0bv1;

axiom (if group_size_x == 1024bv32 then 1bv1 else 0bv1) != 0bv1;

axiom (if num_groups_x == 1bv32 then 1bv1 else 0bv1) != 0bv1;

axiom (if global_offset_x == 0bv32 then 1bv1 else 0bv1) != 0bv1;

axiom (if global_offset_y == 0bv32 then 1bv1 else 0bv1) != 0bv1;

axiom (if global_offset_z == 0bv32 then 1bv1 else 0bv1) != 0bv1;

const {:local_id_y} local_id_y$1: bv32;

const {:local_id_y} local_id_y$2: bv32;

const {:local_id_z} local_id_z$1: bv32;

const {:local_id_z} local_id_z$2: bv32;

const {:group_id_x} group_id_x$1: bv32;

const {:group_id_x} group_id_x$2: bv32;

const {:group_id_y} group_id_y$1: bv32;

const {:group_id_y} group_id_y$2: bv32;

const {:group_id_z} group_id_z$1: bv32;

const {:group_id_z} group_id_z$2: bv32;

const _WATCHED_VALUE_$$A: bv32;

procedure {:inline 1} _LOG_READ_$$A(_P: bool, _offset: bv32, _value: bv32);
  modifies _READ_HAS_OCCURRED_$$A;

implementation {:inline 1} _LOG_READ_$$A(_P: bool, _offset: bv32, _value: bv32)
{

  log_access_entry:
    _READ_HAS_OCCURRED_$$A := (if _P && group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2 && _TRACKING && _WATCHED_OFFSET == _offset && _WATCHED_VALUE_$$A == _value then true else _READ_HAS_OCCURRED_$$A);
    return;
}

procedure _CHECK_READ_$$A(_P: bool, _offset: bv32, _value: bv32);
  requires !(_P && _WRITE_HAS_OCCURRED_$$A && _WATCHED_OFFSET == _offset && _WRITE_READ_BENIGN_FLAG_$$A && group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2);
  requires !(_P && _ATOMIC_HAS_OCCURRED_$$A && _WATCHED_OFFSET == _offset && group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2);

var _WRITE_READ_BENIGN_FLAG_$$A: bool;

procedure {:inline 1} _LOG_WRITE_$$A(_P: bool, _offset: bv32, _value: bv32, _value_old: bv32);
  modifies _WRITE_HAS_OCCURRED_$$A, _WRITE_READ_BENIGN_FLAG_$$A;

implementation {:inline 1} _LOG_WRITE_$$A(_P: bool, _offset: bv32, _value: bv32, _value_old: bv32)
{

  log_access_entry:
    _WRITE_HAS_OCCURRED_$$A := (if _P && group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2 && _TRACKING && _WATCHED_OFFSET == _offset && _WATCHED_VALUE_$$A == _value then true else _WRITE_HAS_OCCURRED_$$A);
    _WRITE_READ_BENIGN_FLAG_$$A := (if _P && group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2 && _TRACKING && _WATCHED_OFFSET == _offset && _WATCHED_VALUE_$$A == _value then _value != _value_old else _WRITE_READ_BENIGN_FLAG_$$A);
    return;
}

procedure _CHECK_WRITE_$$A(_P: bool, _offset: bv32, _value: bv32);
  requires !(_P && _WRITE_HAS_OCCURRED_$$A && _WATCHED_OFFSET == _offset && _WATCHED_VALUE_$$A != _value && group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2);
  requires !(_P && _READ_HAS_OCCURRED_$$A && _WATCHED_OFFSET == _offset && _WATCHED_VALUE_$$A != _value && group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2);
  requires !(_P && _ATOMIC_HAS_OCCURRED_$$A && _WATCHED_OFFSET == _offset && group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2);

procedure {:inline 1} _LOG_ATOMIC_$$A(_P: bool, _offset: bv32);
  modifies _ATOMIC_HAS_OCCURRED_$$A;

implementation {:inline 1} _LOG_ATOMIC_$$A(_P: bool, _offset: bv32)
{

  log_access_entry:
    _ATOMIC_HAS_OCCURRED_$$A := (if _P && group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2 && _TRACKING && _WATCHED_OFFSET == _offset then true else _ATOMIC_HAS_OCCURRED_$$A);
    return;
}

procedure _CHECK_ATOMIC_$$A(_P: bool, _offset: bv32);
  requires !(_P && _WRITE_HAS_OCCURRED_$$A && _WATCHED_OFFSET == _offset && group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2);
  requires !(_P && _READ_HAS_OCCURRED_$$A && _WATCHED_OFFSET == _offset && group_id_x$1 == group_id_x$2 && group_id_y$1 == group_id_y$2 && group_id_z$1 == group_id_z$2);

procedure {:inline 1} _UPDATE_WRITE_READ_BENIGN_FLAG_$$A(_P: bool, _offset: bv32);
  modifies _WRITE_READ_BENIGN_FLAG_$$A;

implementation {:inline 1} _UPDATE_WRITE_READ_BENIGN_FLAG_$$A(_P: bool, _offset: bv32)
{

  _UPDATE_BENIGN_FLAG:
    _WRITE_READ_BENIGN_FLAG_$$A := (if _P && _WRITE_HAS_OCCURRED_$$A && _WATCHED_OFFSET == _offset then false else _WRITE_READ_BENIGN_FLAG_$$A);
    return;
}

var _TRACKING: bool;

function {:builtin "bvsgt"} BV32_SGT(bv32, bv32) : bool;