def test_k(self):
fsm = self.simplemodel()
lt = eval_simple_expression(fsm, "at.local")
lf = eval_simple_expression(fsm, "af.local")
g = eval_simple_expression(fsm, "global")
true = eval_simple_expression(fsm, "TRUE")
false = eval_simple_expression(fsm, "FALSE")
specs = parseCTLK("K<'at'> 'at.local'")
self.assertEqual(len(specs), 1)
spec = specs[0]
katt = evalCTLK(fsm, spec)
self.assertEqual(katt, lt)
specs = parseCTLK("K<'at'> 'af.local'")
self.assertEqual(len(specs), 1)
spec = specs[0]
katf = evalCTLK(fsm, spec)
self.assertEqual(katf, false)
specs = parseCTLK("K<'at'> 'global'")
self.assertEqual(len(specs), 1)
spec = specs[0]
katf = evalCTLK(fsm, spec)
self.assertEqual(katf, g)
def test_ex(self):
fsm = self.model()
c1p = eval_simple_expression(fsm, "c1.payer")
c2p = eval_simple_expression(fsm, "c2.payer")
c3p = eval_simple_expression(fsm, "c3.payer")
c1h = eval_simple_expression(fsm, "c1.coin = head")
c2h = eval_simple_expression(fsm, "c2.coin = head")
c3h = eval_simple_expression(fsm, "c3.coin = head")
odd = eval_simple_expression(fsm, "countsay = odd")
unk = eval_simple_expression(fsm, "countsay = unknown")
specs = parseCTLK("EX ('c1.payer' & ~'c2.payer' & ~'c3.payer')")
self.assertEqual(len(specs), 1)
spec = specs[0]
ex = evalCTLK(fsm, spec)
self.assertEqual(ex, c1p & ~c2p & ~c3p & fsm.bddEnc.statesMask)
specs = parseCTLK("EX 'countsay = odd'")
self.assertEqual(len(specs), 1)
spec = specs[0]
ex = evalCTLK(fsm, spec)
self.assertTrue(odd & fsm.bddEnc.statesMask <= ex)
self.assertTrue(
(unk & c1p & ~c2p & ~c3p) & fsm.bddEnc.statesMask <= ex)
self.assertTrue((unk & c1p & c2p & c3p) & fsm.bddEnc.statesMask <= ex)
def test_d_simple(self):
fsm = self.simplemodel()
lt = eval_simple_expression(fsm, "at.local")
lf = eval_simple_expression(fsm, "af.local")
g = eval_simple_expression(fsm, "global")
true = eval_simple_expression(fsm, "TRUE")
false = eval_simple_expression(fsm, "FALSE")
specs = parseCTLK("'af.local' -> D<'at','af'> 'af.local'")
self.assertEqual(len(specs), 1)
spec = specs[0]
geg = evalCTLK(fsm, spec)
self.assertEqual(geg, true)
specs = parseCTLK("'af.local' & D<'at'> 'af.local'")
self.assertEqual(len(specs), 1)
spec = specs[0]
geg = evalCTLK(fsm, spec)
self.assertEqual(geg, false)
specs = parseCTLK("'af.local' -> D<'af'> 'af.local'")
self.assertEqual(len(specs), 1)
spec = specs[0]
geg = evalCTLK(fsm, spec)
self.assertEqual(geg, true)
def test_e_dincry(self):
fsm = self.model()
c1p = eval_simple_expression(fsm, "c1.payer")
c2p = eval_simple_expression(fsm, "c2.payer")
c3p = eval_simple_expression(fsm, "c3.payer")
c1h = eval_simple_expression(fsm, "c1.coin = head")
c2h = eval_simple_expression(fsm, "c2.coin = head")
c3h = eval_simple_expression(fsm, "c3.coin = head")
odd = eval_simple_expression(fsm, "countsay = odd")
even = eval_simple_expression(fsm, "countsay = even")
unk = eval_simple_expression(fsm, "countsay = unknown")
true = eval_simple_expression(fsm, "TRUE")
false = eval_simple_expression(fsm, "FALSE")
specs = parseCTLK("'countsay = even' -> E<'c1','c2'> ~'c1.payer'")
self.assertEqual(len(specs), 1)
spec = specs[0]
een1 = evalCTLK(fsm, spec)
self.assertEqual(een1, true)
specs = parseCTLK("E<'c2','c3'> ~'c1.payer'")
self.assertEqual(len(specs), 1)
spec = specs[0]
en1 = evalCTLK(fsm, spec)
self.assertTrue(even & fsm.reachable_states <= en1)
def test_c_dincry(self):
fsm = self.model()
c1p = eval_simple_expression(fsm, "c1.payer")
c2p = eval_simple_expression(fsm, "c2.payer")
c3p = eval_simple_expression(fsm, "c3.payer")
c1h = eval_simple_expression(fsm, "c1.coin = head")
c2h = eval_simple_expression(fsm, "c2.coin = head")
c3h = eval_simple_expression(fsm, "c3.coin = head")
odd = eval_simple_expression(fsm, "countsay = odd")
even = eval_simple_expression(fsm, "countsay = even")
unk = eval_simple_expression(fsm, "countsay = unknown")
true = eval_simple_expression(fsm, "TRUE")
false = eval_simple_expression(fsm, "FALSE")
specs = parseCTLK("'countsay = odd' -> "
"C<'c1','c2','c3'> "
"('c1.payer' | 'c2.payer' | 'c3.payer')")
self.assertEqual(len(specs), 1)
spec = specs[0]
oc123 = evalCTLK(fsm, spec)
self.assertTrue(fsm.reachable_states <= oc123)
specs = parseCTLK("'countsay = even' -> "
"C<'c1','c2','c3'> "
"(~'c1.payer' & ~'c2.payer' & ~'c3.payer')")
self.assertEqual(len(specs), 1)
spec = specs[0]
ec123 = evalCTLK(fsm, spec)
self.assertTrue(fsm.reachable_states <= ec123)
def test_full_witness(self):
fsm = self.model()
spec = parseCTLK("EF (EX nK<'c1'> 'c2.payer' & EG nD<'c1','c2'> 'c3.payer')")[0]
self.assertIsNotNone(spec)
state = fsm.pick_one_state(fsm.init & evalCTLK(fsm, spec))
self.assertIsNotNone(state)
expl = explain_witness(fsm, state, spec)
self.assertIsNotNone(expl)
spec = parseCTLK("E[nE<'c1','c2'> 'c3.payer' U"
" E[ nC<'c1','c3'> ('c1.payer' | 'c2.payer') W"
" nC<'c2'> ('c1.coin = head' <-> 'c2.coin = head')]]")[0]
self.assertIsNotNone(spec)
state = fsm.pick_one_state(fsm.init & evalCTLK(fsm, spec))
self.assertIsNotNone(state)
expl = explain_witness(fsm, state, spec)
self.assertIsNotNone(expl)
spec = parseCTLK("AG(~'c1.payer' | E<'c1'> ('c1.payer' -> "
"C<'c2','c3'> AF 'c1.payer'))")[0]
self.assertIsNotNone(spec)
state = fsm.pick_one_state(fsm.init & evalCTLK(fsm, spec))
self.assertIsNotNone(state)
expl = explain_witness(fsm, state, spec)
self.assertIsNotNone(expl)
def test_full_countex(self):
fsm = self.model()
spec = parseCTLK("'c2.payer' -> A[AX ('c1.payer' | ~'c1.payer')"
" U K<'c1'> ('c2.payer')]")[0]
self.assertIsNotNone(spec)
self.assertTrue((fsm.init & ~evalCTLK(fsm, spec)).isnot_false())
state = fsm.pick_one_state(fsm.init & ~evalCTLK(fsm, spec))
self.assertIsNotNone(state)
expl = explain_countex(fsm, state, spec)
self.assertIsNotNone(expl)
print(xml_countex(fsm, expl, spec))
spec = parseCTLK("AG(~'c1.payer' | E<'c1'> ('c1.payer' -> "
"C<'c2','c3'> AF 'c1.payer'))")[0]
self.assertIsNotNone(spec)
self.assertTrue((fsm.init & ~evalCTLK(fsm, spec)).isnot_false())
state = fsm.pick_one_state(fsm.init & ~evalCTLK(fsm, spec))
self.assertIsNotNone(state)
expl = explain_countex(fsm, state, spec)
self.assertIsNotNone(expl)
print(xml_countex(fsm, expl, spec))
def test_fail(self):
kos = [
"", "'test", "A<'test'>H 'q'", "O", "A<'a'>E<'e'>G 'true'",
"E<'ac'>[A<'ac'>['a' E<'ac'>['b' W 'c'] W 'd'] "
"U A<'ac'>['e' U 'f']]", "A<'t't'>G 'q'"
]
for s in kos:
with self.assertRaises(ParseException):
parseCTLK(s)
def test_weird(self):
s = """
AF (
(K<'c1'> (AF (K<'c1'> 'c2.payer' | K<'c1'> ~'c2.payer')))
|
(K<'c1'> (~AF (K<'c1'> 'c2.payer' | K<'c1'> ~'c2.payer')))
)
"""
asts = parseCTLK(s)
self.assertEqual(len(asts), 1)
ast = asts[0]
self.assertEqual(type(ast), AF)
self.assertEqual(type(ast.child), Or)
self.assertEqual(type(ast.child.left), K)
self.assertEqual(type(ast.child.left.agent), Atom)
self.assertEqual(ast.child.left.agent.value, "c1")
self.assertEqual(type(ast.child.left.child), AF)
self.assertEqual(type(ast.child.left.child.child), Or)
self.assertEqual(type(ast.child.left.child.child.left), K)
self.assertEqual(type(ast.child.left.child.child.right), K)
self.assertEqual(type(ast.child.left.child.child.right.agent), Atom)
self.assertEqual(ast.child.left.child.child.right.agent.value, "c1")
self.assertEqual(type(ast.child.left.child.child.right.child), Not)
self.assertEqual(type(ast.child.left.child.child.right.child.child),
Atom)
self.assertEqual(ast.child.left.child.child.right.child.child.value,
"c2.payer")
self.assertEqual(type(ast.child.right), K)
def test_eu_d(self):
s = "E[D<'a'>'r' & 'd' U 's' | nD<'b','c'> 'q']"
asts = parseCTLK(s)
self.assertEqual(len(asts), 1)
ast = asts[0]
self.assertEqual(type(ast), EU)
self.assertEqual(type(ast.left), And)
self.assertEqual(type(ast.left.left), D)
self.assertEqual(type(ast.left.left.group), list)
self.assertEqual(len(ast.left.left.group), 1)
self.assertEqual(type(ast.left.left.group[0]), Atom)
self.assertEqual(ast.left.left.group[0].value, "a")
self.assertEqual(type(ast.left.right), Atom)
self.assertEqual(ast.left.right.value, "d")
self.assertEqual(type(ast.right), Or)
self.assertEqual(type(ast.right.left), Atom)
self.assertEqual(ast.right.left.value, "s")
self.assertEqual(type(ast.right.right), nD)
self.assertEqual(type(ast.right.right.group), list)
self.assertEqual(len(ast.right.right.group), 2)
self.assertEqual(type(ast.right.right.group[0]), Atom)
self.assertEqual(ast.right.right.group[0].value, "b")
self.assertEqual(type(ast.right.right.group[1]), Atom)
self.assertEqual(ast.right.right.group[1].value, "c")
self.assertEqual(type(ast.right.right.child), Atom)
self.assertEqual(ast.right.right.child.value, "q")
def test_logicals(self):
s = "'a' & 'c' -> (~'b' | 'c')"
asts = parseCTLK(s)
self.assertEqual(len(asts), 1)
ast = asts[0]
self.assertTrue(isinstance(ast, Spec))
self.assertTrue(isinstance(ast, Implies))
self.assertTrue(isinstance(ast.left, Spec))
self.assertTrue(isinstance(ast.left, And))
self.assertTrue(isinstance(ast.left.left, Spec))
self.assertTrue(isinstance(ast.left.left, Atom))
self.assertEqual(ast.left.left.value, "a")
self.assertTrue(isinstance(ast.left.right, Spec))
self.assertTrue(isinstance(ast.left.right, Atom))
self.assertEqual(ast.left.right.value, "c")
self.assertTrue(isinstance(ast.right, Spec))
self.assertTrue(isinstance(ast.right, Or))
self.assertTrue(isinstance(ast.right.left, Spec))
self.assertTrue(isinstance(ast.right.left, Not))
self.assertTrue(isinstance(ast.right.left.child, Spec))
self.assertTrue(isinstance(ast.right.left.child, Atom))
self.assertEqual(ast.right.left.child.value, "b")
self.assertTrue(isinstance(ast.right.right, Spec))
self.assertTrue(isinstance(ast.right.right, Atom))
self.assertEqual(ast.right.right.value, "c")
def test_init(self):
fsm = self.model()
specs = parseCTLK("Init")
self.assertEqual(len(specs), 1)
spec = specs[0]
self.assertEqual(fsm.init, evalCTLK(fsm, spec))
def test_false(self):
s = "False"
asts = parseCTLK(s)
self.assertEqual(len(asts), 1)
ast = asts[0]
self.assertTrue(isinstance(ast, Spec))
self.assertTrue(isinstance(ast, FalseExp))
def test_reachable(self):
fsm = self.model()
specs = parseCTLK("Reachable")
self.assertEqual(len(specs), 1)
spec = specs[0]
self.assertEqual(fsm.reachable_states, evalCTLK(fsm, spec))
def test_reachable(self):
s = "Reachable"
asts = parseCTLK(s)
self.assertEqual(len(asts), 1)
ast = asts[0]
self.assertTrue(isinstance(ast, Spec))
self.assertTrue(isinstance(ast, Reachable))
def test_init(self):
s = "Init"
asts = parseCTLK(s)
self.assertEqual(len(asts), 1)
ast = asts[0]
self.assertTrue(isinstance(ast, Spec))
self.assertTrue(isinstance(ast, Init))
def test_atom(self):
s = "'c <= 3'"
asts = parseCTLK(s)
self.assertEqual(len(asts), 1)
ast = asts[0]
self.assertTrue(isinstance(ast, Spec))
self.assertTrue(isinstance(ast, Atom))
self.assertEqual(ast.value, "c <= 3")
def test_ex(self):
s = "EX 'a'"
asts = parseCTLK(s)
self.assertEqual(len(asts), 1)
ast = asts[0]
self.assertEqual(type(ast), EX)
self.assertEqual(type(ast.child), Atom)
self.assertEqual(ast.child.value, "a")
def test_full(self):
s = """
A[
K<'a'> EF Init
&
AG E<'a','b'> (True | 'r')
U
nC<'c','a'> E['s' W False -> AX 's']
] -> Reachable
"""
asts = parseCTLK(s)
self.assertEqual(len(asts), 1)
ast = asts[0]
self.assertEqual(type(ast), Implies)
self.assertEqual(type(ast.left), AU)
self.assertEqual(type(ast.left.left), And)
# K<'a'> EF Init
self.assertEqual(type(ast.left.left.left), K)
self.assertEqual(type(ast.left.left.left.agent), Atom)
self.assertEqual(ast.left.left.left.agent.value, "a")
self.assertEqual(type(ast.left.left.left.child), EF)
self.assertEqual(type(ast.left.left.left.child.child), Init)
# AG E<'a','b'> (True | 'r')
self.assertEqual(type(ast.left.left.right), AG)
self.assertEqual(type(ast.left.left.right.child), E)
self.assertEqual(type(ast.left.left.right.child.group), list)
self.assertEqual(len(ast.left.left.right.child.group), 2)
self.assertEqual(type(ast.left.left.right.child.group[0]), Atom)
self.assertEqual(ast.left.left.right.child.group[0].value, "a")
self.assertEqual(type(ast.left.left.right.child.group[1]), Atom)
self.assertEqual(ast.left.left.right.child.group[1].value, "b")
self.assertEqual(type(ast.left.left.right.child.child), Or)
self.assertEqual(type(ast.left.left.right.child.child.left), TrueExp)
self.assertEqual(type(ast.left.left.right.child.child.right), Atom)
self.assertEqual(ast.left.left.right.child.child.right.value, "r")
# nC<'c','a'> E['s' W False -> AX 's']
self.assertEqual(type(ast.left.right), nC)
self.assertEqual(type(ast.left.right.group), list)
self.assertEqual(len(ast.left.right.group), 2)
self.assertEqual(type(ast.left.right.group[0]), Atom)
self.assertEqual(ast.left.right.group[0].value, "c")
self.assertEqual(type(ast.left.right.group[1]), Atom)
self.assertEqual(ast.left.right.group[1].value, "a")
self.assertEqual(type(ast.left.right.child), EW)
self.assertEqual(type(ast.left.right.child.left), Atom)
self.assertEqual(ast.left.right.child.left.value, "s")
self.assertEqual(type(ast.left.right.child.right), Implies)
self.assertEqual(type(ast.left.right.child.right.left), FalseExp)
self.assertEqual(type(ast.left.right.child.right.right), AX)
self.assertEqual(type(ast.left.right.child.right.right.child), Atom)
self.assertEqual(ast.left.right.child.right.right.child.value, "s")
self.assertEqual(type(ast.right), Reachable)
def test_false(self):
fsm = self.model()
false = eval_simple_expression(fsm, "FALSE")
specs = parseCTLK("False")
self.assertEqual(len(specs), 1)
spec = specs[0]
self.assertEqual(false, evalCTLK(fsm, spec))
def test_true(self):
fsm = self.model()
true = eval_simple_expression(fsm, "TRUE")
specs = parseCTLK("True")
self.assertEqual(len(specs), 1)
spec = specs[0]
self.assertEqual(true, evalCTLK(fsm, spec))
def test_k_ex(self):
fsm = self.simplemodel()
lt = eval_simple_expression(fsm, "at.local")
lf = eval_simple_expression(fsm, "af.local")
g = eval_simple_expression(fsm, "global")
true = eval_simple_expression(fsm, "TRUE")
specs = parseCTLK("K<'at'> EX 'global'")
self.assertEqual(len(specs), 1)
spec = specs[0]
kex = evalCTLK(fsm, spec)
self.assertEqual(kex, true)
specs = parseCTLK("K<'at'> EX ~'global'")
self.assertEqual(len(specs), 1)
spec = specs[0]
kexn = evalCTLK(fsm, spec)
self.assertEqual(kexn, true)
def test_not(self):
fsm = self.model()
c1p = eval_simple_expression(fsm, "c1.payer")
specs = parseCTLK("~'c1.payer'")
self.assertEqual(len(specs), 1)
spec = specs[0]
c1pCTLK = evalCTLK(fsm, spec)
self.assertEqual(~c1p, c1pCTLK)
def test_not(self):
s = "~'a'"
asts = parseCTLK(s)
self.assertEqual(len(asts), 1)
ast = asts[0]
self.assertTrue(isinstance(ast, Spec))
self.assertTrue(isinstance(ast, Not))
self.assertTrue(isinstance(ast.child, Spec))
self.assertTrue(isinstance(ast.child, Atom))
self.assertEqual(ast.child.value, "a")
def test_k(self):
s = "K<'c'> 'a'"
asts = parseCTLK(s)
self.assertEqual(len(asts), 1)
ast = asts[0]
self.assertEqual(type(ast), K)
self.assertEqual(type(ast.agent), Atom)
self.assertEqual(ast.agent.value, "c")
self.assertEqual(type(ast.child), Atom)
self.assertEqual(ast.child.value, "a")
def test_and(self):
fsm = self.model()
c1p = eval_simple_expression(fsm, "c1.payer")
odd = eval_simple_expression(fsm, "countsay = odd")
specs = parseCTLK("'c1.payer' & 'countsay = odd'")
self.assertEqual(len(specs), 1)
spec = specs[0]
c1paco = evalCTLK(fsm, spec)
self.assertEqual(c1p & odd, c1paco)
def test_implies(self):
fsm = self.model()
c1p = eval_simple_expression(fsm, "c1.payer")
odd = eval_simple_expression(fsm, "countsay = odd")
specs = parseCTLK("'c1.payer' -> 'countsay = odd'")
self.assertEqual(len(specs), 1)
spec = specs[0]
c1pico = evalCTLK(fsm, spec)
self.assertEqual(c1p.imply(odd), c1pico)
def test_ex_and(self):
s = "EX 'a' & 'b'"
asts = parseCTLK(s)
self.assertEqual(len(asts), 1)
ast = asts[0]
self.assertEqual(type(ast), And)
self.assertEqual(type(ast.left), EX)
self.assertEqual(type(ast.left.child), Atom)
self.assertEqual(ast.left.child.value, "a")
self.assertEqual(type(ast.right), Atom)
self.assertEqual(ast.right.value, "b")
def test_epistemic_temporal_logical(self):
s = "nK<'ag'> AX ~'b'"
asts = parseCTLK(s)
self.assertEqual(len(asts), 1)
ast = asts[0]
self.assertEqual(type(ast), nK)
self.assertEqual(type(ast.agent), Atom)
self.assertEqual(ast.agent.value, "ag")
self.assertEqual(type(ast.child), AX)
self.assertEqual(type(ast.child.child), Not)
self.assertEqual(type(ast.child.child.child), Atom)
self.assertEqual(ast.child.child.child.value, "b")
def test_simple_ex(self):
fsm = self.simplemodel()
lt = eval_simple_expression(fsm, "at.local")
lf = eval_simple_expression(fsm, "af.local")
g = eval_simple_expression(fsm, "global")
specs = parseCTLK("EX 'af.local'")
self.assertEqual(len(specs), 1)
spec = specs[0]
ex = evalCTLK(fsm, spec)
# ex :
# l1, !l2, !g
# !l1, l2, g
# l1, l2, g
# !l1, !l2, !g
self.assertEqual(ex, lf.iff(g))
specs = parseCTLK("EX ('af.local' & 'at.local' & 'global')")
self.assertEqual(len(specs), 1)
spec = specs[0]
ex = evalCTLK(fsm, spec)
self.assertEqual(ex, lt & ~lf & ~g | ~lt & lf & g)