Ejemplo n.º 1
0
from sage.all import operator
from vu_common import (VLog, pause, is_list, is_empty, vset)
from dig_inv import Inv, InvExp, InvEqt, InvMPP, InvIeq

logger = VLog('refine')
logger.level = VLog.INFO

class Refine(object):
    """
    Refine result invariants using several techniques, including

    1) filtering
    2) inferring
    3) ranking
    """

    def __init__(self, ps):
        if __debug__:
            assert is_list(ps) and all(isinstance(p,Inv) for p in ps), ps
        
        self.ps = vset(ps)
        Refine.print_diff('vset', len(ps), len(self.ps))

    def get_ps(self): 
        return self._ps

    def set_ps(self, ps):
        if __debug__:
            assert all(isinstance(p,Inv) for p in ps), p 
        self._ps = ps
Ejemplo n.º 2
0
from pprint import pprint
import multiprocessing as mp 

from sage.all import (SR, srange, var, flatten)
from sageutil import (get_vars, get_coefs_terms, is_sage_eq)

from vu_common import (VLog, vall_uniq, is_empty, is_list, is_dict,
                       merge_dict, vpartition, list_str)
from dig_miscs import (Miscs, get_traces, Tree, AEXP, ExtFun, adjust_arr_sizs)
                       

from dig import Solver
from dig_inv import InvEqt, InvFlatArray, InvNestedArray

logger = VLog('dig_arrays')
logger.level = VLog.DEBUG

class FlatArray(Solver):
    """
    Find Flat Array Invariants of the form
    c1A[i][j].. + c2B[i1'][i2'].. = 0
    using standard equation solving

    Examples:
 
    ig = InvGen("Traces/AES/Flat/paper_multidim.tc",verbose=1)
    _ =  ig.getInvs(inv_typ='flat',seed=1)
    *** InvGen ***
    Sun Jun  3 21:44:39 2012
    Sage Version 5.0, Release Date: 2012-05-14
    Godel.local Darwin 10.8.0 x86_64
Ejemplo n.º 3
0
from abc import ABCMeta, abstractmethod

from sage.all import (flatten, solve, srange, operator, sage_eval, prod,
                      Polyhedron, CartesianProduct, Combinations,
                      SR, RR, QQ, PolynomialRing, operator, oo, is_even)
from sageutil import (get_vars, is_sage_symbol, is_sage_int,
                      is_sage_expr, is_sage_rel)
from vu_common import (VLog, pause, vset, is_empty, is_list, is_bool, vcmd)
from dig_miscs import (Miscs, get_traces, get_sample, 
                       gen_terms_fixed_coefs)

from dig import Solver
from dig_inv import InvEqt, InvIeq, InvMPP

logger = VLog('dig_polynomials')
logger.level = VLog.INFO


class Eqt(Solver):
    """
    Find equality invariants using standard equation solving
    """

    def __init__(self,terms,tcs,xinfo):
        super(Eqt,self).__init__(terms, tcs, xinfo)

    def mk_traces(self):
        """
        No need to do too much filtering because 
        most eqts obtained are valid
        """