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config.py
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config.py
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# -*- coding: iso-8859-15 -*-
# (c) 2011-2012 Roland Kindermann
#
# This file is part of the Aalto Timed Model Checker ATMOC.
#
# ATMOC is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# ATMOC is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with ATMOC. If not, see <http://www.gnu.org/licenses/>.
VERSION = "1.0"
import sys, time, getopt, random, os
import yicesfull, stats
##### Constants
VERBOSITY_NONE = 0 # Level at which no verbose output is generated
VERBOSITY_DEFAULT = 0 # Default verbosity
VERBOSITY_MAX = 5 # Max verbosity level
VERBOSITY_ANY = 1 # Level starting from which any verbose output is generated
verbosity = VERBOSITY_DEFAULT # Global verbosity level
DEFAULT_MAX_LIT_DROP_FAILURES = 3
DEFAULT_RESTART_RATION = 1000.0
DEFAULT_PROOF_DETAIL = 'final'
PROOF_DETAIL_FINAL = 0
PROOF_DETAIL_K = 1
PROOF_DETAIL_CLAUSE = 2
VALID_PROOF_DETAILS = {
'final' : PROOF_DETAIL_FINAL,
'k' : PROOF_DETAIL_K,
'clause' : PROOF_DETAIL_CLAUSE
}
RETVAL_USAGE = 2
##### Argument parsing - helpers
def __goodbye(errmsg=None, retval=RETVAL_USAGE, mention_minus_h=True):
if errmsg != None:
sys.stderr.write(errmsg)
sys.stderr.write('\n')
if mention_minus_h:
sys.stderr.write('Use -h for more information.\n')
sys.exit(retval)
def __help():
print 'Usage: %s [<options>] <input-file>\n' % os.path.split(sys.argv[0])[-1] +\
'''
Version %s
Options:
-h or --help : Show this screen and exit
-v : Show version and exit
--lp : List properties but do not check anything
--cp : Count properties and exit
-n <num> : Only check property number <num> (0-based in flattened file,
use --lp to find out ids.
-s : Show statistical information.
--yt : Measure time spent by yices seperately
--tr <file> : Print statistical information in the form of a table row
(seperated by tabs) into a file
--th <file> : Write a table header for statistical information tables into
a file and exit. NO VERIFICATION PERFORMED!
--non-trace-ce : Does not turn a found counter-example into an actual trace
of the system. I.e. counter-examples are sequences of states
such that there is a counter-example trace of the systems
that visits the same regions.
--nochecks : Assume convexity without checking; Skip type checks
--def-vars: New variables are created for definitions used in more
than on location. These variables are, however, not used in
clauses.
--seed <num>: Sets the random seed
Specific to IC3 algorithm:
-d <num> : Maximum number of unsuccesful literal drops. Default: %d
-r <float> : Restart ration. When the number of pushes is greater than
this ratio times the number ordinary variables, a fresh
yices is used. Default value: %f
--non-lazy: Actively exclude any bad state ever found, even if clauses
added since the states discovery have already excluded the
state.
--proof <file>: Write the final proof of the property into a file for
properties holding, or the system + counter example for a
property not holding
--proof-detail <det>: Controls the detail given in the proof file. <det> can
be one of the following:
final: Only the final proof / counter example is given
k: The intermediate clauses are dumped every time k
is increased.
clause: Every time a clause is added, the intermediate
clauses are dumped.
The default setting is "%s". Needs to have a proof file
specified.
--no-optimization-checks: Do not use optimization checks.
--basic-regions: Use basic region definition
Temporal induction:
--ind: Use temporal induction
--all-diseq: Add disequality constraints for all pairs of states.
--basic-regions: Use basic region definition
Bounded model checking
-b <n>: Incremental bounded model checking up to bound n
Further options, mostly intended for debugging:
--short : Print short states information
-verbosity <v> : Sets the verbosity, values can range from %d (no verbose
output) to %d (full verbosity)
-y <file> : Dump Yices input to <file>''' % (VERSION, DEFAULT_MAX_LIT_DROP_FAILURES,
DEFAULT_RESTART_RATION, DEFAULT_PROOF_DETAIL, VERBOSITY_NONE, VERBOSITY_MAX)
sys.exit(0)
##### Actual argument parsing
check_property = 0 #Currently only one property supported
yicesfile = None
nochecks = None
list_properties = False
short_states = False
check_alot = True
show_stats = False
avoid_drops = True
max_drop_lit_failures = DEFAULT_MAX_LIT_DROP_FAILURES
restart_ratio = DEFAULT_RESTART_RATION
def_vars = False
defs_in_clauses = False
expected_type = None
seed = long(time.time() * 256)
proof_file = None
proof_detail = VALID_PROOF_DETAILS[DEFAULT_PROOF_DETAIL]
non_trace_counter_example = False
table_row_file = None
verbosity = VERBOSITY_DEFAULT
filename = None
measure_yices_time = False
actvar_impl = False
interactive = False
simple_propagation = False
count_properties = False
type_check = True
bmc_bound = None
use_k_ind = False
all_diseq = False
basic_regions = False
def parse_command_line():
global check_property, yicesfile, nochecks, list_properties, short_states, \
check_alot, show_stats, avoid_drops, max_drop_lit_failures, filename, \
restart_ratio, def_vars, defs_in_clauses, verbosity, expected_type, \
seed, proof_file, proof_detail, table_row_file, measure_yices_time, \
non_trace_counter_example, actvar_impl, interactive, all_diseq, \
simple_propagation, count_properties, bmc_bound, use_k_ind, \
basic_regions
# Command line args
try:
options, args = getopt.gnu_getopt(sys.argv[1:], 'hy:n:sd:r:ib:v',
['lp', 'help', 'nochecks', 'verbosity=', 'basic-regions',
'no-optimization-checks', 'short', 'non-lazy',
'def-vars', 'def-clauses', 'seed=', 'proof-detail=',
'proof=', 'def-expr', 'tr=', 'th=', 'non-trace-ce', 'yt',
'act-impl', 'simple-propagation', 'cp', 'ind', 'all-diseq'])
except getopt.GetoptError, e:
__goodbye('Error: %s' % e.msg)
for arg, val in options:
try:
if arg == '-h' or arg == '--help':
__help()
elif arg == '-v':
print VERSION
sys.exit(0)
elif arg == '--basic-regions':
basic_regions = True
elif arg == '--all-diseq':
all_diseq = True
elif arg == '--non-trace-ce':
non_trace_counter_example = True
elif arg == '--seed':
expected_type = 'integer'
val = int(val)
random.seed(val)
yicesfull.seed(random.randint(0, 2**31-1))
seed = val
elif arg == '--def-clauses':
def_vars = True
defs_in_clauses = True
elif arg == '-r':
expected_type = 'float'
val = float(val)
if val <= 0:
__goodbye('-r expects a positive fractional value')
restart_ratio = val
elif arg == '--proof':
proof_file = val
elif arg == '--proof-detail':
if not val in VALID_PROOF_DETAILS:
__goodbye('--proof-detail needs to be one of the following: %s' % ', '.join(VALID_PROOF_DETAILS))
proof_detail = VALID_PROOF_DETAILS[val]
elif arg == '-d':
expected_type = 'integer'
max_drop_lit_failures = int(val)
elif arg == '--def-vars':
def_vars = True
elif arg == '-s':
show_stats = True
elif arg == '--tr':
table_row_file = val
elif arg == '--th':
of = open(val, 'w')
of.write('\t'.join(stats.table_header()))
of.write('\n')
of.close()
sys.exit(0)
elif arg == '-y':
yicesfile = val
elif arg == '--nochecks':
nochecks = True
type_check = False
elif arg == '--lp':
list_properties = True
elif arg == '--cp':
count_properties = True
elif arg == '-n':
expected_type = 'integer'
check_property = int(val)
elif arg == '--act-impl':
actvar_impl = True
elif arg == '-i':
interactive = True
elif arg == '--simple-propagation':
simple_propagation = True
elif arg == '--verbosity':
verbosity = int(val)
if verbosity > VERBOSITY_MAX:
print '*** WARNING: The specified verbosity is higher then the maximum value of %d, which is used instead. ***\n'\
% VERBOSITY_MAX
if verbosity < VERBOSITY_NONE:
print '*** WARNING: The specified verbosity is lower then the minimum value of %d, which is used instead. ***\n'\
% VERBOSITY_NONE
elif arg == '--short':
short_states = True
elif arg == '--no-optimization-checks':
check_alot = False
elif arg == '--non-lazy':
avoid_drops = False
elif arg == '--yt':
measure_yices_time = True
yicesfull.enable_time_measuring(True)
elif arg == '-b':
expected_type = 'positive int'
bmc_bound = int(val)
if bmc_bound <= 0:
raise ValueError('negative')
elif arg == '--ind':
use_k_ind = True
else:
assert False, (arg, val)
except ValueError:
__goodbye('Invalid argument for %s -- expected %s' % (arg, expected_type))
for a, b in [('def_vars', 'interactive'),
('defs_in_clauses', 'interactive')]:
if eval(a) and eval(b):
__goodbye('Conflicting flags')
if verbosity >= VERBOSITY_ANY:
show_stats = True
if not len(args) == 1:
__goodbye('Invalid argument number')
filename = args[0]