def interp_from_unsat_core(clauses1, clauses2, core, interpreted):
used_syms = used_symbols_clauses(core)
vars = used_variables_clauses(core)
if vars:
# print "interpolant would require skolem constants"
return None
core_consts = used_constants_clauses(core)
clauses2_consts = used_constants_clauses(clauses2)
# print "interp_from_unsat_core core_consts = {}".format(map(str,core_consts))
# print "interp_from_unsat_core clauses2_consts = {}".format(map(str,clauses2_consts))
renaming = dict()
i = 0
for v in core_consts:
if v not in clauses2_consts or v.is_skolem(
): # and v not in interpreted:
renaming[v] = Variable('V' + str(i), Constant(v).get_sort())
i += 1
# print "interp_from_unsat_core core = {}".format(core)
# print "interp_from_unsat_core renaming = {}".format(renaming)
renamed_core = substitute_constants_clauses(core, renaming)
# print "interp_from_unsat_core renamed_core = {}".format(renamed_core)
res = simplify_clauses(
Clauses([Or(*[negate(c) for c in renamed_core.fmlas])]))
# print "interp_from_unsat_core res = {}".format(res)
return res
def clauses_to_concept(name, clauses):
vars = used_variables_clauses(clauses)
# print "clauses_to_concept vars={}".format(vars)
ps = [
ProductSpace([NamedSpace(~lit) for lit in clause])
for clause in clauses.triv_clauses()
]
ss = ps[0] if len(ps) == 1 else SumSpace(ps)
return (Atom(Symbol(name, RelationSort([v.sort for v in vars])),
[v for v in vars]), ss)
def updatenvi(mod):
''' nvi = NumVarInv
it just calculates the number of quantified variables of each sort in the fcs.
'''
lcs = mod.labeled_conjs
varsof = {}
for lc in lcs:
quant_vars = lut.used_variables_clauses(lc.formula) # list
# print "var in conjs", quant_vars
# <TODO> replace vars such that corresponding quantified vars can be identified
for var in quant_vars:
sort = var.sort.name
name = var.name
if sort not in varsof.keys():
varsof[sort] = set([name])
else:
varsof[sort].add(name)
global numVarInv
for sort in varsof.keys():
numVarInv[sort] = len(varsof[sort])
def interp_from_unsat_core(clauses1,clauses2,core,interpreted):
used_syms = used_symbols_clauses(core)
vars = used_variables_clauses(core)
if vars:
# print "interpolant would require skolem constants"
return None
core_consts = used_constants_clauses(core)
clauses2_consts = used_constants_clauses(clauses2)
# print "interp_from_unsat_core core_consts = {}".format(map(str,core_consts))
# print "interp_from_unsat_core clauses2_consts = {}".format(map(str,clauses2_consts))
renaming = dict()
i = 0
for v in core_consts:
if v not in clauses2_consts or v.is_skolem(): # and v not in interpreted:
renaming[v] = Variable('V' + str(i),Constant(v).get_sort())
i += 1
# print "interp_from_unsat_core core = {}".format(core)
# print "interp_from_unsat_core renaming = {}".format(renaming)
renamed_core = substitute_constants_clauses(core,renaming)
# print "interp_from_unsat_core renamed_core = {}".format(renamed_core)
res = simplify_clauses(Clauses([Or(*[negate(c) for c in renamed_core.fmlas])]))
# print "interp_from_unsat_core res = {}".format(res)
return res
def clauses_to_concept(name,clauses):
vars = used_variables_clauses(clauses)
# print "clauses_to_concept vars={}".format(vars)
ps = [ProductSpace([NamedSpace(~lit) for lit in clause]) for clause in clauses.triv_clauses()]
ss = ps[0] if len(ps) == 1 else SumSpace(ps)
return (Atom(Symbol(name,RelationSort([v.sort for v in vars])),[v for v in vars]),ss)
