def reverse_interpolant_case(post_state,update,pre_state,axioms,interpreted):
pre = reverse_image(post_state,axioms,update)
pre_case = clauses_case(pre)
## print "pre_case1: {}".format(pre_case)
pre_case = [cl for cl in pre_case if len(cl) <= 1
and is_ground_clause(cl)
and not any(is_skolem(r) for r,n in relations_clause(cl))]
## print "pre_case2: {}".format(pre_case)
return interpolant(pre_state,pre_case,axioms,interpreted)
def reverse_interpolant_case(post_state,update,pre_state,interpreted):
assert isinstance(pre_state,Clauses) and isinstance(update,SemActionValue) and isinstance(pre_state,Clauses)
pre = reverse_image(post_state,update)
pre_case = clauses_case(pre)
## print "pre_case1: {}".format(pre_case)
pre_case = [cl for cl in pre_case if len(cl) <= 1
and is_ground_clause(cl)
and not any(is_skolem(r) for r,n in relations_clause(cl))]
## print "pre_case2: {}".format(pre_case)
return interpolant(pre_state,pre_case,interpreted)
def interpolant_case(pre_state,post,axioms,interpreted):
# print "interpolant_case: before clauses_case"
# print "interpolant_case post: {}".format(post)
post_case = clauses_case(post)
# print "interpolant_case: after clauses_case"
## print "post_case1: {}".format(post_case)
post_case = Clauses([cl for cl in post_case.clauses
if len(cl) <= 1
and is_ground_clause(cl)
and not any(is_skolem(r) for r,n in relations_clause(cl))])
# print "interpolant_case: after filtering"
# print "post_case2: {}".format(post_case)
return interpolant(pre_state,post_case,axioms,interpreted)
def reverse_interpolant_case(post_state, update, pre_state, interpreted):
assert isinstance(pre_state, Clauses) and isinstance(
update, SemActionValue) and isinstance(pre_state, Clauses)
pre = reverse_image(post_state, update)
pre_case = clauses_case(pre)
## print "pre_case1: {}".format(pre_case)
pre_case = [
cl for cl in pre_case
if len(cl) <= 1 and is_ground_clause(cl) and not any(
is_skolem(r) for r, n in relations_clause(cl))
]
## print "pre_case2: {}".format(pre_case)
return interpolant(pre_state, pre_case, interpreted)
