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Added (set-info ..) generation to smtio.py

This commit is contained in:
Clifford Wolf 2015-08-27 12:46:02 +02:00
parent 8d1956f0da
commit 4b62d4cbb9
3 changed files with 32 additions and 20 deletions
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22
scripts/smt2-bmc/async.py
View File

@ -62,7 +62,7 @@ def timestamp():
return "+ %6d [%3d:%02d:%02d] " % (secs, secs // (60*60), (secs // 60) % 60, secs % 60)
print("Solver: %s" % solver)
smt.write("(set-logic QF_AUFBV)")
smt.setup("QF_AUFBV", "PicoRV32 \"async.py\" BMC script, powered by Yosys")
regs_a = list()
regs_b = list()
@ -135,9 +135,7 @@ for step in range(steps):
else:
assert False
smt.write("(check-sat)")
if smt.read() == "sat":
if smt.check_sat() == "sat":
print("%s Creating model.." % timestamp())
@ -149,8 +147,6 @@ for step in range(steps):
make_cpu_regs(0)
make_cpu_regs(step)
smt.write("(check-sat)")
def print_status(mod, step):
resetn = smt.get_net_bool("main_" + mod, "resetn", "%s%d" % (mod, step))
memvld = smt.get_net_bool("main_" + mod, "mem_valid", "%s%d" % (mod, step))
@ -176,7 +172,7 @@ for step in range(steps):
rb = smt.bv2hex(smt.get("b%d_r%d" % (step, i)))
print("%3s[%d]: A=%s B=%s%s" % ("x%d" % i, step, ra, rb, " !" if ra != rb else ""))
assert smt.read() == "sat"
assert smt.check_sat() == "sat"
if initzero:
for rn, rs in regs_a:
@ -188,8 +184,7 @@ for step in range(steps):
smt.write("(assert (not (|main_a_n %s| a0)))" % rn)
else:
smt.write("(assert (= (|main_a_n %s| a0) #b%s))" % (rn, "0" * rs))
smt.write("(check-sat)")
if smt.read() != "sat":
if smt.check_sat() != "sat":
force_to_zero = False
smt.write("(pop 1)")
if force_to_zero:
@ -197,8 +192,7 @@ for step in range(steps):
smt.write("(assert (not (|main_a_n %s| a0)))" % rn)
else:
smt.write("(assert (= (|main_a_n %s| a0) #b%s))" % (rn, "0" * rs))
smt.write("(check-sat)")
assert smt.read() == "sat"
assert smt.check_sat() == "sat"
for rn, rs in regs_b:
force_to_zero = True
if smt.get_net_bin("main_b", rn, "b0").count("1") != 0:
@ -208,8 +202,7 @@ for step in range(steps):
smt.write("(assert (not (|main_b_n %s| b0)))" % rn)
else:
smt.write("(assert (= (|main_b_n %s| b0) #b%s))" % (rn, "0" * rs))
smt.write("(check-sat)")
if smt.read() != "sat":
if smt.check_sat() != "sat":
force_to_zero = False
smt.write("(pop 1)")
if force_to_zero:
@ -217,8 +210,7 @@ for step in range(steps):
smt.write("(assert (not (|main_b_n %s| b0)))" % rn)
else:
smt.write("(assert (= (|main_b_n %s| b0) #b%s))" % (rn, "0" * rs))
smt.write("(check-sat)")
assert smt.read() == "sat"
assert smt.check_sat() == "sat"
print()
print_cpu_regs(0)

22
scripts/smt2-bmc/smtio.py
View File

@ -21,6 +21,13 @@ class smtio:
self.debug_file = debug_file
self.p = subprocess.Popen(popen_vargs, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
def setup(self, logic="ALL", info=None):
self.write("(set-logic %s)" % logic)
if info is not None:
self.write("(set-info :source |%s|)" % info)
self.write("(set-info :smt-lib-version 2.5)")
self.write("(set-info :category \"industrial\")")
def write(self, stmt):
stmt = stmt.strip()
if self.debug_print:
@ -55,6 +62,21 @@ class smtio:
return stmt
def check_sat(self):
if self.debug_print:
print("> (check-sat)")
if self.debug_file:
print("; running check-sat..", file=self.debug_file)
self.debug_file.flush()
self.p.stdin.write(bytes("(check-sat)\n", "ascii"))
self.p.stdin.flush()
result = self.read()
if self.debug_file:
print("(set-info :status %s)" % result, file=self.debug_file)
print("(check-sat)", file=self.debug_file)
self.debug_file.flush()
return result
def parse(self, stmt):
def worker(stmt):
if stmt[0] == '(':

8
scripts/smt2-bmc/sync.py
View File

@ -58,7 +58,7 @@ def timestamp():
return "+ %6d [%3d:%02d:%02d] " % (secs, secs // (60*60), (secs // 60) % 60, secs % 60)
print("Solver: %s" % solver)
smt.write("(set-logic QF_AUFBV)")
smt.setup("QF_AUFBV", "PicoRV32 \"sync.py\" BMC script, powered by Yosys")
regs_a = list()
regs_b = list()
@ -108,9 +108,8 @@ for step in range(steps):
smt.write(("(assert (or (distinct (|main_a_m cpu.cpuregs| a%d) (|main_b_m cpu.cpuregs| b%d)) " +
"(distinct (|main_a_m memory| a%d) (|main_b_m memory| b%d))" +
"(distinct (|main_a_n trap| a%d) (|main_b_n trap| b%d))))") % (step, step, step, step, step, step))
smt.write("(check-sat)")
if smt.read() == "sat":
if smt.check_sat() == "sat":
print("%s Creating model.." % timestamp())
@ -122,8 +121,7 @@ for step in range(steps):
make_cpu_regs(0)
make_cpu_regs(step)
smt.write("(check-sat)")
assert smt.read() == "sat"
assert smt.sheck_sat() == "sat"
def print_status(mod, step):
resetn = smt.get_net_bool("main_" + mod, "resetn", "%s%d" % (mod, step))