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Improvements in smtio.py

This commit is contained in:
Clifford Wolf 2015-08-28 00:59:12 +02:00
parent 534ea17811
commit 686289adc5
3 changed files with 94 additions and 86 deletions
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50
scripts/smt2-bmc/async.py
View File

@ -1,41 +1,24 @@
#!/usr/bin/env python3
import os, sys, getopt
from time import time
from smtio import smtio
from smtio import smtio, smtopts
steps = 12
words = 0
solver = "yices"
allmem = False
fastmem = False
initzero = False
check_mem = True
check_regs = True
timeinfo = True
debug_print = False
debug_file = None
so = smtopts()
def usage():
print("""
python3 async.py [options]
-s <solver>
set SMT solver: yices, z3, cvc4, mathsat
default: yices
-t <steps>
default: 12
-v
enable debug output
-p
disable timer display during solving
-d
write smt2 statements to debug.smt2
""")
""" + so.helpmsg())
sys.exit(1)
try:
@ -44,30 +27,19 @@ except:
usage()
for o, a in opts:
if o == "-s":
solver = a
elif o == "-t":
if o == "-t":
steps = int(a)
elif o == "-v":
debug_print = True
elif o == "-d":
debug_file = open("debug.smt2", "w")
elif o == "-p":
timeinfo = False
elif so.handle(o, a):
pass
else:
usage()
if len(args) > 0:
usage()
start_time = time()
smt = smtio(solver=solver, debug_print=debug_print, debug_file=debug_file, timeinfo=timeinfo)
smt = smtio(opts=so)
def timestamp():
secs = int(time() - start_time)
return "+ %6d [%3d:%02d:%02d] " % (secs, secs // (60*60), (secs // 60) % 60, secs % 60)
print("Solver: %s" % solver)
print("Solver: %s" % so.solver)
smt.setup("QF_AUFBV", "PicoRV32 \"async.py\" BMC script, powered by Yosys")
regs_a = list()
@ -121,7 +93,7 @@ for step in range(steps):
smt.write("(assert (|main_a_n resetn| a%d))" % step)
smt.write("(assert (|main_b_n resetn| b%d))" % step)
print("%s Checking sequence of length %d.." % (timestamp(), step))
print("%s Checking sequence of length %d.." % (smt.timestamp(), step))
smt.write("(push 1)")
# stop with a trap and no pending memory xfer
@ -143,7 +115,7 @@ for step in range(steps):
if smt.check_sat() == "sat":
print("%s Creating model.." % timestamp())
print("%s Creating model.." % smt.timestamp())
def make_cpu_regs(step):
for i in range(1, 32):
@ -355,7 +327,7 @@ for step in range(steps):
else: # unsat
smt.write("(pop 1)")
print("%s Done." % timestamp())
print("%s Done." % smt.timestamp())
smt.write("(exit)")
smt.wait()

80
scripts/smt2-bmc/smtio.py
View File

@ -3,25 +3,48 @@
import sys
import subprocess
from select import select
from time import time
class smtio:
def __init__(self, solver="yices", debug_print=False, debug_file=None, timeinfo=True):
if solver == "yices":
def __init__(self, solver=None, debug_print=None, debug_file=None, timeinfo=None, opts=None):
if opts is not None:
self.solver = opts.solver
self.debug_print = opts.debug_print
self.debug_file = opts.debug_file
self.timeinfo = opts.timeinfo
else:
self.solver = "yices"
self.debug_print = False
self.debug_file = None
self.timeinfo = True
if solver is not None:
self.solver = solver
if debug_print is not None:
self.debug_print = debug_print
if debug_file is not None:
self.debug_file = debug_file
if timeinfo is not None:
self.timeinfo = timeinfo
if self.solver == "yices":
popen_vargs = ['yices-smt2', '--incremental']
if solver == "z3":
if self.solver == "z3":
popen_vargs = ['z3', '-smt2', '-in']
if solver == "cvc4":
if self.solver == "cvc4":
popen_vargs = ['cvc4', '--incremental', '--lang', 'smt2']
if solver == "mathsat":
if self.solver == "mathsat":
popen_vargs = ['mathsat']
self.debug_print = debug_print
self.debug_file = debug_file
self.timeinfo = timeinfo
self.p = subprocess.Popen(popen_vargs, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
self.start_time = time()
def setup(self, logic="ALL", info=None):
self.write("(set-logic %s)" % logic)
@ -30,6 +53,10 @@ class smtio:
self.write("(set-info :smt-lib-version 2.5)")
self.write("(set-info :category \"industrial\")")
def timestamp(self):
secs = int(time() - self.start_time)
return "+ %6d %3d:%02d:%02d " % (secs, secs // (60*60), (secs // 60) % 60, secs % 60)
def write(self, stmt):
stmt = stmt.strip()
if self.debug_print:
@ -190,6 +217,43 @@ class smtio:
self.p.wait()
class smtopts:
def __init__(self):
self.solver = "yices"
self.debug_print = False
self.debug_file = None
self.timeinfo = True
def handle(self, o, a):
if o == "-s":
self.solver = a
elif o == "-v":
self.debug_print = True
elif o == "-p":
self.timeinfo = True
elif o == "-d":
self.debug_file = open(a, "w")
else:
return False
return True
def helpmsg(self):
return """
-s <solver>
set SMT solver: yices, z3, cvc4, mathsat
default: yices
-v
enable debug output
-p
disable timer display during solving
-d <filename>
write smt2 statements to file
"""
class mkvcd:
def __init__(self, f):
self.f = f

50
scripts/smt2-bmc/sync.py
View File

@ -1,37 +1,20 @@
#!/usr/bin/env python3
import os, sys, getopt
from time import time
from smtio import smtio
from smtio import smtio, smtopts
steps = 20
words = 0
solver = "yices"
allmem = False
timeinfo = True
debug_print = False
debug_file = None
so = smtopts()
def usage():
print("""
python3 sync.py [options]
-s <solver>
set SMT solver: yices, z3, cvc4, mathsat
default: yices
-t <steps>
default: 20
-v
enable debug output
-p
disable timer display during solving
-d
write smt2 statements to debug.smt2
""")
""" + so.helpmsg())
sys.exit(1)
try:
@ -40,30 +23,19 @@ except:
usage()
for o, a in opts:
if o == "-s":
solver = a
elif o == "-t":
if o == "-t":
steps = int(a)
elif o == "-v":
debug_print = True
elif o == "-d":
debug_file = open("debug.smt2", "w")
elif o == "-p":
timeinfo = False
elif so.handle(o, a):
pass
else:
usage()
if len(args) > 0:
usage()
start_time = time()
smt = smtio(solver=solver, debug_print=debug_print, debug_file=debug_file, timeinfo=timeinfo)
smt = smtio(opts=so)
def timestamp():
secs = int(time() - start_time)
return "+ %6d [%3d:%02d:%02d] " % (secs, secs // (60*60), (secs // 60) % 60, secs % 60)
print("Solver: %s" % solver)
print("Solver: %s" % so.solver)
smt.setup("QF_AUFBV", "PicoRV32 \"sync.py\" BMC script, powered by Yosys")
regs_a = list()
@ -108,7 +80,7 @@ for step in range(steps):
smt.write("(assert (|main_a_n resetn| a%d))" % step)
smt.write("(assert (|main_b_n resetn| b%d))" % step)
print("%s Checking sequence of length %d.." % (timestamp(), step))
print("%s Checking sequence of length %d.." % (smt.timestamp(), step))
smt.write("(push 1)")
smt.write(("(assert (or (distinct (|main_a_m cpu.cpuregs| a%d) (|main_b_m cpu.cpuregs| b%d)) " +
@ -117,7 +89,7 @@ for step in range(steps):
if smt.check_sat() == "sat":
print("%s Creating model.." % timestamp())
print("%s Creating model.." % smt.timestamp())
def make_cpu_regs(step):
for i in range(1, 32):
@ -289,7 +261,7 @@ for step in range(steps):
smt.write("(assert (= (|main_a_m memory| a%d) (|main_b_m memory| b%d)))" % (step, step))
smt.write("(assert (= (|main_a_n trap| a%d) (|main_b_n trap| b%d)))" % (step, step))
print("%s Done." % timestamp())
print("%s Done." % smt.timestamp())
smt.write("(exit)")
smt.wait()