def solve(self): #mpp gen
ts = [t for t in self.terms if t != 1]
if self.subset_siz is None:
subset_siz = len(ts)
else:
subset_siz = self.subset_siz
def wprocess(tasks,Q):
rs = []
for ts_subset in tasks:
rs.extend(IeqMPPGen.build_vts_poly(list(ts_subset),self.tcs,self.mpp_opt))
if Q is None: #no multiprocessing
return rs
else:
Q.put(rs)
from vu_common import get_workloads
tasks = list(itertools.combinations(ts,subset_siz))
Q = mp.Queue()
workloads = get_workloads(tasks,max_nprocesses=mp.cpu_count(),
chunksiz=2)
logger.debug("workloads 'build_vts_poly' {}: {}"
.format(len(workloads),map(len,workloads)))
workers = [mp.Process(target=wprocess,args=(wl,Q))
for wl in workloads]
for w in workers: w.start()
wrs = []
for _ in workers: wrs.extend(Q.get())
self.sols = map(InvMPP, wrs)
def runMP(taskname, tasks, wprocess, chunksiz, doMP):
"""
Run wprocess on tasks in parallel
"""
if doMP:
from vu_common import get_workloads
from multiprocessing import (Process, Queue, cpu_count)
Q = Queue()
workloads = get_workloads(tasks,
max_nprocesses=cpu_count(),
chunksiz=chunksiz)
logger.debug("workloads '{}' {}: {}".format(
taskname, len(workloads), map(len, workloads)))
workers = [
Process(target=wprocess, args=(wl, Q)) for wl in workloads
]
for w in workers:
w.start()
wrs = []
for _ in workers:
wrs.extend(Q.get())
else:
wrs = wprocess(tasks, Q=None)
return wrs
def rfilter(self, tcs, do_parallel=True):
if is_empty(self.ps) or is_empty(tcs):
logger.debug('rfilter skips (|ps|={}, |tcs|={})'.format(
len(self.ps), len(tcs)))
return None
logger.debug('rfilter(|ps|={}, |tcs|={})'.format(
len(self.ps), len(tcs)))
if not isinstance(self.ps[0], InvExp):
from dig_miscs import Miscs
tcs = Miscs.keys_to_str(tcs)
def wprocess(tasks, Q):
rs = [p for p in tasks if all(p.seval(tc) for tc in tcs)]
if Q is None: #no multiprocessing
return rs
else:
Q.put(rs)
tasks = self.ps
if do_parallel:
from vu_common import get_workloads
from multiprocessing import (Process, Queue, current_process,
cpu_count)
Q = Queue()
workloads = get_workloads(tasks,
max_nprocesses=cpu_count(),
chunksiz=2)
logger.debug("workloads 'refine' {}: {}".format(
len(workloads), map(len, workloads)))
workers = [
Process(target=wprocess, args=(wl, Q)) for wl in workloads
]
for w in workers:
w.start()
wrs = []
for _ in workers:
wrs.extend(Q.get())
else:
wrs = wprocess(tasks, Q=None)
self.ps = wrs
Refine.print_diff('rfilter', len(tasks), len(self.ps))
def rfilter(self,tcs,do_parallel=True):
if is_empty(self.ps) or is_empty(tcs):
logger.debug('rfilter skips (|ps|={}, |tcs|={})'
.format(len(self.ps), len(tcs)))
return None
logger.debug('rfilter(|ps|={}, |tcs|={})'
.format(len(self.ps), len(tcs)))
if not isinstance(self.ps[0],InvExp):
from dig_miscs import Miscs
tcs = Miscs.keys_to_str(tcs)
def wprocess(tasks,Q):
rs = [p for p in tasks if all(p.seval(tc) for tc in tcs)]
if Q is None: #no multiprocessing
return rs
else:
Q.put(rs)
tasks = self.ps
if do_parallel:
from vu_common import get_workloads
from multiprocessing import (Process, Queue,
current_process, cpu_count)
Q=Queue()
workloads = get_workloads(tasks,
max_nprocesses=cpu_count(),
chunksiz=2)
logger.debug("workloads 'refine' {}: {}"
.format(len(workloads),map(len,workloads)))
workers = [Process(target=wprocess,args=(wl,Q))
for wl in workloads]
for w in workers: w.start()
wrs = []
for _ in workers: wrs.extend(Q.get())
else:
wrs = wprocess(tasks,Q=None)
self.ps = wrs
Refine.print_diff('rfilter', len(tasks), len(self.ps))
def tb(src, combs, no_bugfix, no_parallel, no_stop):
tasks = []
for sid,tpl,tpl_level, l in combs:
rs_ = get_data(tpl,l)
rs_ = [(src, sid, tpl, tpl_level) + r for r in rs_]
tasks.extend(rs_)
from random import shuffle
shuffle(tasks)
print "KR: tasks {}".format(len(tasks))
if no_parallel:
wrs = wprocess(0, tasks, no_stop, no_bugfix, V=None, Q=None)
else: #parallel
from vu_common import get_workloads
from multiprocessing import (Process, Queue, Value,
current_process, cpu_count)
Q = Queue()
V = Value("i",0)
workloads = get_workloads(tasks, max_nprocesses=cpu_count(), chunksiz=2)
print ("workloads {}: {}".format(len(workloads), map(len,workloads)))
workers = [Process(target=wprocess,args=(i,wl,no_stop, no_bugfix, V, Q))
for i,wl in enumerate(workloads)]
for w in workers: w.start()
wrs = []
for i,_ in enumerate(workers):
wrs.extend(Q.get())
wrs = [r for r in wrs if r]
rs = "\n".join(["{}. {}".format(i,r) for i,r in enumerate(wrs)])
print ("KR: summary "
"(bugfix: {}, stop after a repair found: {}, parallel: {}), "
"'{}', {} / {}\n"
"{}"
.format(not no_bugfix, not no_stop, not no_parallel,
src,len(wrs),len(tasks),
rs))
def solve(self): #mpp gen
ts = [t for t in self.terms if t != 1]
if self.subset_siz is None:
subset_siz = len(ts)
else:
subset_siz = self.subset_siz
def wprocess(tasks, Q):
rs = []
for ts_subset in tasks:
rs.extend(
IeqMPPGen.build_vts_poly(list(ts_subset), self.tcs,
self.mpp_opt))
if Q is None: #no multiprocessing
return rs
else:
Q.put(rs)
from vu_common import get_workloads
tasks = list(itertools.combinations(ts, subset_siz))
Q = mp.Queue()
workloads = get_workloads(tasks,
max_nprocesses=mp.cpu_count(),
chunksiz=2)
logger.debug("workloads 'build_vts_poly' {}: {}".format(
len(workloads), map(len, workloads)))
workers = [
mp.Process(target=wprocess, args=(wl, Q)) for wl in workloads
]
for w in workers:
w.start()
wrs = []
for _ in workers:
wrs.extend(Q.get())
self.sols = map(InvMPP, wrs)
def prove_props(self, props, k, do_trans, do_base_case, do_induction,
do_pcompress, do_term_check, do_abstraction, nreprove,
do_parallel):
"""
Proves the given properties.
Attempt to re-prove unproven ones using lemmas.
do_soft_reprove: checks if the proved properties imply the unknown ones.
This does not add proved properties as lemmas and re-invoke prover
nreprove: times we attempt to fully reprove props
do_parallel performs the task in parallel if
multiprocessing is available
"""
def wprocess(tasks, Q):
rs = []
for (idx, p) in tasks:
logger.info("{}. Checking '{}'".format(idx, p))
r, m, k_ = self.prove(p,
k=k,
do_base_case=do_base_case,
do_abstraction=do_abstraction,
do_pcompress=do_pcompress,
do_term_check=do_term_check)
#cannot explicitly store p and m
#b/c they contain pointers and cannot be pickled
rs.append((idx, r, m if m is None else model_str(m), k_))
if Q is None: #no multiprocessing
return rs
else:
Q.put(rs)
if do_parallel:
from vu_common import get_workloads
from multiprocessing import (Process, Queue, cpu_count)
nreprove_ = 0
unchecked_idxs = range(len(props))
rs = [None] * len(unchecked_idxs)
while True:
new_invs = []
unchecked_idxs_ = []
tasks = zip(unchecked_idxs, [props[idx] for idx in unchecked_idxs])
if do_parallel:
Q = Queue()
workloads = get_workloads(tasks,
max_nprocesses=cpu_count(),
chunksiz=2)
logger.debug('workloads {}: {}'.format(len(workloads),
map(len, workloads)))
workers = [
Process(target=wprocess, args=(wl, Q)) for wl in workloads
]
for w in workers:
w.start()
wrs = []
for _ in workers:
wrs.extend(Q.get())
else:
wrs = wprocess(tasks, Q=None)
for idx, r, m, k_ in wrs:
p = props[idx]
#9/10: bug if not make a list copy since these things change!
rs[idx] = (p, r, m, k_, list(self.invs_state),
list(self.assumes_state + self.assumes_trans))
if r == True:
new_invs.append(p)
if r is None:
unchecked_idxs_.append(idx)
if not (new_invs and unchecked_idxs_):
break
if nreprove_ >= nreprove:
break
nreprove_ = nreprove_ + 1
logger.info("Re-prove {} prop(s) using {} new invs "
"(attempt {}/{})".format(len(unchecked_idxs_),
len(new_invs), nreprove_,
nreprove))
for inv in new_invs:
self.add_inv(inv)
unchecked_idxs = sorted(unchecked_idxs_)
return rs
