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This commit is contained in:
Artur Meski
2017-09-10 22:02:31 +01:00
parent dab97e9dae
commit 9abd631e4f
1 changed files with 63 additions and 34 deletions
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63
smt/smt_checker_rsc_param.py
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@@ -410,9 +410,12 @@ class SmtCheckerRSCParam(object):
for var_id in range(len(self.v[level])):
var_rep = repr(m[self.v[level][var_id]])
if not var_rep.isdigit():
raise RuntimeError("unexpected: representation is not a positive integer")
raise RuntimeError(
"unexpected: representation is not a positive integer")
if int(var_rep) > 0:
print(" " + self.rs.get_entity_name(var_id) + "=" + var_rep, end="")
print(
" " + self.rs.get_entity_name(var_id) + "=" + var_rep,
end="")
# print(" " + repr(m[self.v[level][var_id]]), end="")
print(" }")
@@ -422,18 +425,24 @@ class SmtCheckerRSCParam(object):
for var_id in range(len(self.v[level])):
var_rep = repr(m[self.v_ctx[level][var_id]])
if not var_rep.isdigit():
raise RuntimeError("unexpected: representation is not a positive integer")
raise RuntimeError(
"unexpected: representation is not a positive integer")
if int(var_rep) > 0:
print(" " + self.rs.get_entity_name(var_id) + "=" + var_rep, end="")
print(
" " + self.rs.get_entity_name(var_id) + "=" + var_rep,
end="")
print(" }")
def check_rsltl(self, formula, print_witness=True, print_time=True, print_mem=True, max_level=None):
def check_rsltl(
self, formula, print_witness=True, print_time=True, print_mem=True,
max_level=None):
"""Bounded Model Checking for rsLTL properties"""
self.reset()
print("[" + colour_str(C_BOLD, "i") + "] Running rsLTL bounded model checking")
print("[" + colour_str(C_BOLD, "i") +
"] Running rsLTL bounded model checking")
print("[" + colour_str(C_BOLD, "i") + "] Formula: " + str(formula))
if print_time:
@@ -452,31 +461,42 @@ class SmtCheckerRSCParam(object):
while True:
self.prepare_all_variables()
self.solver.add(self.enc_concentration_levels_assertion(self.current_level+1))
self.solver.add(
self.enc_concentration_levels_assertion(
self.current_level + 1))
print("\n{:-^70}".format("[ Working at level=" + str(self.current_level) + " ]"))
print(
"\n{:-^70}".format("[ Working at level=" + str(self.current_level) + " ]"))
stdout.flush()
# reachability test:
self.solver.push()
print("[" + colour_str(C_BOLD, "i") + "] Generating the formula encoding...")
print("[" + colour_str(C_BOLD, "i") +
"] Generating the formula encoding...")
f = encoder.get_encoding(formula, self.current_level)
ncalls = encoder.get_ncalls()
print("[" + colour_str(C_BOLD, "i") + "] Cache hits: " + str(encoder.get_cache_hits()) + ", encode calls: " + str(ncalls[0]) + " (approx: " + str(ncalls[1]) + ")")
print("[" + colour_str(C_BOLD, "i") + "] Adding the formula to the solver...")
print("[" + colour_str(C_BOLD, "i") + "] Cache hits: " +
str(encoder.get_cache_hits()) + ", encode calls: " +
str(ncalls[0]) + " (approx: " + str(ncalls[1]) + ")")
print("[" + colour_str(C_BOLD, "i") +
"] Adding the formula to the solver...")
encoder.flush_cache()
self.solver.add(f)
print("[" + colour_str(C_BOLD, "i") + "] Adding the loops encoding...")
print("[" + colour_str(C_BOLD, "i") +
"] Adding the loops encoding...")
self.solver.add(self.get_loop_encodings())
result = self.solver.check()
if result == sat:
print("[" + colour_str(C_BOLD, "+") + "] " + colour_str(C_GREEN, "SAT at level=" + str(self.current_level)))
print(
"[" + colour_str(C_BOLD, "+") + "] " +
colour_str(
C_GREEN, "SAT at level=" + str(self.current_level)))
print(self.solver.model())
if print_witness:
print("\n{:=^70}".format("[ WITNESS ]"))
@@ -485,10 +505,12 @@ class SmtCheckerRSCParam(object):
else:
self.solver.pop()
print("[" + colour_str(C_BOLD, "i") + "] Unrolling the transition relation")
print("[" + colour_str(C_BOLD, "i") +
"] Unrolling the transition relation")
self.solver.add(self.enc_transition_relation(self.current_level))
print("{:->70}".format("[ level=" + str(self.current_level) + " done ]"))
print(
"{:->70}".format("[ level=" + str(self.current_level) + " done ]"))
self.current_level += 1
if not max_level is None and self.current_level > max_level:
@@ -500,10 +522,17 @@ class SmtCheckerRSCParam(object):
stop = resource.getrusage(resource.RUSAGE_SELF).ru_utime
self.verification_time = stop - start
print()
print("\n[i] {: >60}".format(" Time: " + repr(self.verification_time) + " s"))
print(
"\n[i] {: >60}".format(
" Time: " + repr(self.verification_time) + " s"))
if print_mem:
print("[i] {: >60}".format(" Memory: " + repr(resource.getrusage(resource.RUSAGE_SELF).ru_maxrss/(1024*1024)) + " MB"))
print(
"[i] {: >60}".format(
" Memory: " +
repr(
resource.getrusage(resource.RUSAGE_SELF).ru_maxrss /
(1024 * 1024)) + " MB"))
def dummy_unroll(self, levels):