def add_assertion(self, formula, named=None):
# First, we get rid of True/False constants
formula = formula.simplify()
if formula.is_false():
picosat.picosat_add(self.pico, 0)
elif not formula.is_true():
cnf = self.cnfizer.convert(formula)
self._add_cnf_assertion(cnf)
def add_assertion(self, formula, named=None):
# First, we get rid of True/False constants
formula = formula.simplify()
if formula.is_false():
picosat.picosat_add(self.pico, 0)
elif not formula.is_true():
cnf = self.cnfizer.convert(formula)
self._add_cnf_assertion(cnf)
def add_assertion(self, formula, named=None):
cnf = self.cnfizer.convert(formula)
for clause in cnf:
for lit in clause:
mult = 1
var = lit
if lit.is_not():
mult = -1
var = lit.arg(0)
vid = self._get_var_id(var)
picosat.picosat_add(self.pico, mult * vid)
picosat.picosat_add(self.pico, 0)
def _add_cnf_assertion(self, cnf):
for clause in cnf:
for lit in clause:
v = self._get_pico_lit(lit)
picosat.picosat_add(self.pico, v)
picosat.picosat_add(self.pico, 0)
def _add_cnf_assertion(self, cnf):
for clause in cnf:
for lit in clause:
v = self._get_pico_lit(lit)
picosat.picosat_add(self.pico, v)
picosat.picosat_add(self.pico, 0)
def addClause(self, *ls):
"Add this clause to the solver."
assert len(ls) > 0
for l in ls:
picosat.picosat_add(self.p, l)
picosat.picosat_add(self.p, 0)
import picosat
with open("/tmp/log", "w") as fout:
p = picosat.picosat_init()
picosat.picosat_set_verbosity(p, 100)
f = picosat.picosat_set_output(p, fout)
picosat.picosat_measure_all_calls(p)
picosat.picosat_inc_max_var(p)
picosat.picosat_add(p, 1)
picosat.picosat_add(p, -1)
picosat.picosat_add(p, 0)
assert picosat.picosat_sat(p, -1) == picosat.PICOSAT_SATISFIABLE
picosat.picosat_message(p, 0, "End")
picosat.picosat_flushout(f)
picosat.picosat_reset(p)
print("Done.")
