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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright (C) 2009-2020 Authors of CryptoMiniSat, see AUTHORS file
#
# This program 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; version 2
# of the License.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
from __future__ import print_function
import sqlite3
import argparse
import os
import struct
import time
#import line_profiler
cl_to_conflict = {}
new_id_to_old_id = {}
class Query:
def __init__(self, dbfname):
self.conn = sqlite3.connect(dbfname)
self.c = self.conn.cursor()
self.cl_used = []
self.cl_used_num = 0
self.cl_used_total = 0
self.children_set = 0
def __enter__(self):
return self
def __exit__(self, exc_type, exc_value, traceback):
self.conn.commit()
self.conn.close()
def delete_tbls(self, table):
queries = """
DROP TABLE IF EXISTS `{table}`;
create table `{table}` ( `clauseID` bigint(20) NOT NULL, `used_at` bigint(20) NOT NULL, `weight` float NOT NULL);
""".format(table=table)
for l in queries.split('\n'):
t2 = time.time()
if opts.verbose:
print("Running query: ", l)
self.c.execute(l)
if opts.verbose:
print("Query T: %-3.2f s" % (time.time() - t2))
def get_conflicts(self):
query= """select id, conflicts from set_id_confl;"""
self.c.execute(query)
while True:
n = self.c.fetchone()
if n is None:
break
ID = n[0]
confl = n[1]
if ID in cl_to_conflict:
print("ERROR: ID %d in cl_to_conflict already. Old value: %d new value: %d" % (ID, cl_to_conflict[ID], confl))
print("Likely, the issue is with `reloc` in FRAT, which is used in varreplacer. That is NOT understood by this system");
exit(-1)
cl_to_conflict[ID] = confl
if opts.verbose:
print("Got ID-conflict data")
def get_updates(self):
query= """select old_id, new_id from update_id order by old_id;"""
self.c.execute(query)
while True:
n = self.c.fetchone()
if n is None:
break
old_id = n[0]
new_id = n[1]
if old_id in new_id_to_old_id:
real_old_id = new_id_to_old_id[old_id][0]
else:
real_old_id = old_id
new_id_to_old_id[new_id] = [real_old_id, 1.0, None]
if opts.verbose:
print("Got ID-update data")
def dump_used_clauses(self):
for table in ("used_clauses_anc", "used_clauses"):
if table == "used_clauses":
todump = filter(lambda c: c[1] == 1.0, self.cl_used)
else:
todump = self.cl_used
self.c.executemany("""
INSERT INTO %s (
`clauseID`,
`weight`,
`used_at`)
VALUES (?, ?, ?);""" % table, todump)
self.cl_used = []
self.cl_used_num = 0
#@profile
def deal_with_chain(self, line, final_resolvent_ID, tracked_already, confl):
for chain_str in line:
if chain_str[0] == '0':
break
chain_ID = int(chain_str)
if opts.verbose:
print("Cl ID %8d used for Cl ID %8d" % (chain_ID, final_resolvent_ID))
if chain_ID in new_id_to_old_id:
if opts.verbose:
print("--> tracked as %s" % new_id_to_old_id[chain_ID])
data = new_id_to_old_id[chain_ID]
if data[2] == None:
# this is an original parent
count_as_confl = confl
assert data[1] == 1.0
else:
# this is a child
count_as_confl = data[2]
assert data[1] < 1.0
new_item = [data[0], data[1], count_as_confl]
self.cl_used.append(new_item)
self.cl_used_num+=1
self.cl_used_total+=1
if opts.verbose:
print("--> USED: %s" % new_item)
if self.cl_used_num > 10000:
self.dump_used_clauses()
# This chain_ID is tracked. Let's track Clause "final_resolvent_ID", it will be a child
# NOTE: we only track it as ONE of the children... which is not ideal.
if tracked_already:
if opts.verbose:
print("-----> Can't track Cl ID %d as child, already tracked either as MAIN or as a child" % final_resolvent_ID)
continue
# final_resolvent_ID is not tracked already. We'll track it according to its ancestor
data = new_id_to_old_id[chain_ID]
chain_ID_upd = data[0]
val = 0.5*data[1]
if data[2] is not None:
# This is a child of a child, so parent's conf needs to be bumped
anc_confl = data[2]
else:
# Children of this will need confl to be bumped
anc_confl = confl
# Don't bother if it's less than 0.05
if val <= 0.05:
continue
if opts.verbose:
print("-----> Therefore, we will track ID %d with val %f to count as ID %d, confl %d" % (final_resolvent_ID, val, chain_ID_upd, anc_confl))
new_id_to_old_id[final_resolvent_ID] = [chain_ID_upd, val, anc_confl]
tracked_already = True
self.children_set += 1
#@profile
def fix_up_frat(self, fratfile):
with open(fratfile, "r") as f:
for line in f:
line=line.strip()
if len(line) == 0:
continue
if line[0] != "a":
continue
if opts.verbose:
print("-------------****----------------------")
print("New line: %s" % line)
line = line.split()
if len(line) < 3:
print("ERROR: Line contains 1 or 2 elements??? It needs a/o/d/l/t + at least ID")
exit(-1)
final_resolvent_ID = int(line[1])
line = line[2:]
tracked_already = False
if final_resolvent_ID not in new_id_to_old_id:
if opts.verbose:
print("MAIN: Cl ID %8d is not tracked" % final_resolvent_ID)
else:
if opts.verbose:
print("MAIN: Cl ID %8d is tracked, it is: %s" % (final_resolvent_ID, new_id_to_old_id[final_resolvent_ID]))
tracked_already = True
if final_resolvent_ID not in cl_to_conflict:
print("ERROR: ID %8d not in cl_to_conflict" % final_resolvent_ID)
exit(-1)
confl = cl_to_conflict[final_resolvent_ID]
if opts.verbose:
print("MAIN: Cl ID %8d is generated at confl %d" % (final_resolvent_ID, confl))
found = False
for i in range(len(line)):
if line[i] == "l":
line = line[i+1:]
found = True
break
if not found:
#if opts.verbose:
print("No explanation on line %s for ID %d" % (line, final_resolvent_ID))
continue
self.deal_with_chain(line, final_resolvent_ID, tracked_already, confl)
if __name__ == "__main__":
usage = """usage: %(prog)s [opts] sqlite_db usedCls
Adds used_clauses to the SQLite database"""
parser = argparse.ArgumentParser(usage=usage)
parser.add_argument("fratfile", type=str, metavar='FRAT')
parser.add_argument("sqlitedb", type=str, metavar='SQLITEDB')
parser.add_argument("--verbose", "-v", action="store_true", default=False,
dest="verbose", help="Print more output")
opts = parser.parse_args()
if opts.sqlitedb is None:
print("Error you must give an SQLite DB. Please follow usage.")
print(usage)
exit(-1)
if opts.fratfile is None:
print("Error you must give the minimized FRAT file.")
print(usage)
exit(-1)
print("Using FRAT file %s" % opts.fratfile)
print("Using sqlite3db file %s" % opts.sqlitedb)
with Query(opts.sqlitedb) as q:
q.delete_tbls("used_clauses")
q.delete_tbls("used_clauses_anc")
q.get_conflicts()
q.get_updates()
q.fix_up_frat(opts.fratfile)
# dump remaining ones (we dump 1000-by-1000)
q.dump_used_clauses()
print("Total num: %10d" % q.cl_used_total)
print("Children set: %10d" % q.children_set)
exit(0)
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