def setUp(self):
import esbmc
# cwd = regression/python
self.ns, self.opts, self.po = esbmc.init_esbmc_process(
['test_data/00_big_endian_01/main.c', '--big-endian', '--bv'])
self.funcs = self.po.goto_functions
self.main = self.funcs.function_map[esbmc.irep_idt('c::main')].body
def setUp(self):
import esbmc
# cwd = regression/python
self.ns, self.opts, self.po = esbmc.init_esbmc_process(['test_data/00_big_endian_01/main.c', '--big-endian', '--bv'])
self.funcs = self.po.goto_functions
self.main = self.funcs.function_map[esbmc.irep_idt('main')].body
self.insns = self.main.get_instructions()
def test_args(self):
import esbmc
# Had a problem in the past with the arg list being reversed...
ns, opts, po = esbmc.init_esbmc_process([
'./test_data/00_big_endian_01/main.c', '--timeout', '1m',
'--memlimit', '1g'
])
esbmc.kill_esbmc_process()
def setUp(self):
import esbmc
# cwd = regression/python
self.ns, self.opts, self.po = esbmc.init_esbmc_process(['test_data/00_big_endian_01/main.c', '--big-endian', '--bv'])
self.funcs = self.po.goto_functions
self.main = self.funcs.function_map[esbmc.irep_idt('main')].body
self.eq = esbmc.symex.equation(self.ns)
self.art = esbmc.symex.reachability_tree(self.po.goto_functions, self.ns, self.opts, self.eq, self.po.context, self.po.message_handler)
def setUp(self):
import esbmc
# cwd = regression/python
self.ns, self.opts, self.po = esbmc.init_esbmc_process(
['test_data/00_big_endian_01/main.c', '--big-endian', '--bv'])
self.funcs = self.po.goto_functions
self.main = self.funcs.function_map[esbmc.irep_idt('c::main')].body
self.eq = esbmc.symex.equation(self.ns)
self.art = esbmc.symex.reachability_tree(self.po.goto_functions,
self.ns, self.opts, self.eq,
self.po.context,
self.po.message_handler)
def setUp(self):
import esbmc
# cwd = regression/python
self.ns, self.opts, self.po = esbmc.init_esbmc_process(['test_data/00_big_endian_01/main.c', '--big-endian', '--bv'])
self.funcs = self.po.goto_functions
self.main = self.funcs.function_map[esbmc.irep_idt('main')].body
self.eq = esbmc.symex.equation(self.ns)
self.art = esbmc.symex.reachability_tree(self.po.goto_functions, self.ns, self.opts, self.eq, self.po.context, self.po.message_handler)
# Step that art once...
self.art.setup_for_new_explore()
self.art.get_cur_state().symex_step(self.art)
self.curstate = self.art.get_cur_state()
def setUp(self):
import esbmc
# cwd = regression/python
self.ns, self.opts, self.po = esbmc.init_esbmc_process(
['test_data/00_big_endian_01/main.c', '--big-endian', '--bv'])
self.funcs = self.po.goto_functions
self.main = self.funcs.function_map[esbmc.irep_idt('c::main')].body
self.eq = esbmc.symex.equation(self.ns)
self.art = esbmc.symex.reachability_tree(self.po.goto_functions,
self.ns, self.opts, self.eq,
self.po.context,
self.po.message_handler)
# Step that art once...
self.art.setup_for_new_explore()
self.art.get_cur_state().symex_step(self.art)
self.curstate = self.art.get_cur_state()
#!/usr/bin/python3
import sys
import esbmc
# Cruft for running below. Pass command line options through to esbmc.
# Hopefully this means we effectively wrap esbmc.
ns, opts, po = esbmc.init_esbmc_process(sys.argv[1:])
eq = esbmc.symex.equation(ns)
art = esbmc.symex.reachability_tree(po.goto_functions, ns, opts, eq, po.context, po.message_handler)
art.setup_for_new_explore()
result = art.get_next_formula()
if result.remaining_claims == 0:
print('No remaining claims')
print("VERIFICATION SUCCESSFUL")
sys.exit(0)
esbmc.symex.slice(result.target)
lolsolve = esbmc.solve.solvers.z3.make(False, ns, opts)
result.target.convert(lolsolve)
issat = lolsolve.dec_solve()
if issat == esbmc.solve.smt_result.sat:
trace = esbmc.symex.goto_tracet()
esbmc.symex.build_goto_trace(result.target, lolsolve, trace)
print(trace.to_string(ns))
print("VERIFICATION FAILED")
elif issat == esbmc.solve.smt_result.unsat:
print("VERIFICATION SUCCESSFUL")
else:
def setUp(self):
import esbmc
# cwd = regression/python
self.ns, self.opts, self.po = esbmc.init_esbmc_process(['test_data/00_big_endian_01/main.c', '--big-endian', '--bv'])
self.funcs = self.po.goto_functions
def test_setup(self):
import esbmc
# Assumes cwd = python test dir
ns, opts, po = esbmc.init_esbmc_process(
['./test_data/00_big_endian_01/main.c'])
esbmc.kill_esbmc_process()
#!/usr/bin/python3
import sys
import esbmc
from esbmc.goto_programs import goto_program_instruction_type as gptypes
# Arguments: Anything on the command line, and callintercept.c
args = sys.argv[1:] # This may be an empty list
args.append('callintercept.c')
ns, opts, po = esbmc.init_esbmc_process(args)
class ExState2(esbmc.symex.execution_state.dfs_execution_state):
def __init__(self, *posargs):
# Call superclass constructor
super(ExState2, self).__init__(*posargs)
def symex_step(self, art):
# Pick out src obj
gss = art.get_cur_state().get_active_state()
src = gss.source
# pc becomes an insn number, lookup insns. Select current insn
insns = src.prog.get_instructions()
localpc = src.pc - insns[0].location_number
insn = src.prog.get_instructions()[localpc]
normal = True
if insn.type == gptypes.FUNCTION_CALL:
# Pick out function calls
call = esbmc.downcast_expr(insn.code)
sym = esbmc.downcast_expr(call.function)