Exemple #1
0
def get_func_exprs_grammars(benchmark_files):
    global eu

    # Grammars
    results = []
    # for eusolver
    ite_related_macros = []
    for benchmark_file in benchmark_files:
        fun_exprs = []
        print('Loading : ', benchmark_file)

        file_sexp = parser.sexpFromFile(benchmark_file)
        if file_sexp is None:
            continue

        core_instantiator = semantics_core.CoreInstantiator()
        theory_instantiators = [
            parser.get_theory_instantiator(theory)
            for theory in parser._known_theories
        ]

        macro_instantiator = semantics_core.MacroInstantiator()
        uf_instantiator = semantics_core.UninterpretedFunctionInstantiator()
        synth_instantiator = semantics_core.SynthFunctionInstantiator()

        syn_ctx = synthesis_context.SynthesisContext(core_instantiator,
                                                     *theory_instantiators,
                                                     macro_instantiator,
                                                     uf_instantiator,
                                                     synth_instantiator)
        syn_ctx.set_macro_instantiator(macro_instantiator)

        defs, _ = parser.filter_sexp_for('define-fun', file_sexp)
        if defs is None: defs = []

        for [name, args_data, ret_type_data, interpretation] in defs:
            for eusolver in ([True, False] if eu else [False]):
                ((arg_vars, arg_types, arg_var_map),
                 return_type) = parser._process_function_defintion(
                     args_data, ret_type_data)
                expr = parser.sexp_to_expr(interpretation, syn_ctx,
                                           arg_var_map)
                macro_func = semantics_types.MacroFunction(
                    name, len(arg_vars), tuple(arg_types), return_type, expr,
                    arg_vars)
                # for eusolver  (recording macro functions of which definition include ite)
                if eusolver:
                    app = exprs.find_application(expr, 'ite')
                    if app is not None: ite_related_macros.append(name)

                macro_instantiator.add_function(name, macro_func)
                i = 0
                subs_pairs = []
                for (var_expr, ty) in zip(arg_vars, arg_types):
                    param_expr = exprs.FormalParameterExpression(None, ty, i)
                    subs_pairs.append((var_expr, param_expr))
                    i += 1
                expr = exprs.substitute_all(expr, subs_pairs)
                # resolve macro functions involving ite (for enumeration of pred exprs (eusolver))
                if eusolver:
                    for fname in ite_related_macros:
                        app = exprs.find_application(expr, fname)
                        if app is None: continue
                        expr = macro_instantiator.instantiate_macro(
                            expr, fname)
                fun_exprs.append(expr)

        @static_var("cnt", 0)
        def rename(synth_funs_data):
            for synth_fun_data in synth_funs_data:
                # to avoid duplicated names
                synth_fun_data[0] = "__aux_name__" + benchmark_file + str(
                    rename.cnt)
                rename.cnt += 1

        # collect grammars
        synth_funs_data, _ = parser.filter_sexp_for('synth-fun', file_sexp)
        if len(synth_funs_data) == 0:
            synth_funs_data, _ = parser.filter_sexp_for('synth-inv', file_sexp)
            rename(synth_funs_data)
            synth_funs_grammar_data = parser.process_synth_invs(
                synth_funs_data, synth_instantiator, syn_ctx)
        else:
            rename(synth_funs_data)
            synth_funs_grammar_data = parser.process_synth_funcs(
                synth_funs_data, synth_instantiator, syn_ctx)

        grammar = None
        for synth_fun, arg_vars, grammar_data in synth_funs_grammar_data:
            if grammar_data != 'Default grammar':
                # we only consider a single function synthesis for now
                grammar = parser.sexp_to_grammar(arg_vars, grammar_data,
                                                 synth_fun, syn_ctx)
                break

        results.append((fun_exprs, grammar))

    return results
def extract_benchmark(file_sexp):
    core_instantiator = semantics_core.CoreInstantiator()

    theories, file_sexp = filter_sexp_for('set-logic', file_sexp)
    theories = [ x[0] for x in theories ]
    assert all([theory in _known_theories for theory in theories])
    assert len(theories) == 1
    theory = theories[0]

    if len(theories) == 0:
        theories = _known_theories
    theory_instantiators = [ get_theory_instantiator(theory) for theory in theories ]

    macro_instantiator = semantics_core.MacroInstantiator()
    uf_instantiator = semantics_core.UninterpretedFunctionInstantiator()
    synth_instantiator = semantics_core.SynthFunctionInstantiator()

    syn_ctx = synthesis_context.SynthesisContext(
            core_instantiator,
            *theory_instantiators,
            macro_instantiator,
            uf_instantiator,
            synth_instantiator)
    syn_ctx.set_macro_instantiator(macro_instantiator)

    defs, file_sexp = filter_sexp_for('define-fun', file_sexp)
    process_definitions(defs, syn_ctx, macro_instantiator)

    ufuncs_data, file_sexp = filter_sexp_for('declare-fun', file_sexp)
    _process_uninterpreted_funcs(ufuncs_data, syn_ctx, uf_instantiator)

    # Synthesis functions and synthesis invariants
    synth_funs_data, file_sexp = filter_sexp_for('synth-fun', file_sexp)
    if len(synth_funs_data) == 0:
        synth_funs_data, file_sexp = filter_sexp_for('synth-inv', file_sexp)
        synth_funs_grammar_data = process_synth_invs(synth_funs_data, synth_instantiator, syn_ctx)
    else:
        synth_funs_grammar_data = process_synth_funcs(synth_funs_data, synth_instantiator, syn_ctx)

    # Grammars
    grammar_map = {}
    for synth_fun, arg_vars, grammar_data in synth_funs_grammar_data:
        if grammar_data == 'Default grammar':
            grammar_map[synth_fun] = grammar_data
        else:
            grammar_map[synth_fun] = sexp_to_grammar(arg_vars, grammar_data, synth_fun, syn_ctx)
            # print(grammar_map[synth_fun])
        
    # Universally quantified variables
    forall_vars_data, file_sexp = filter_sexp_for('declare-var', file_sexp)
    forall_vars_map = _process_forall_vars(forall_vars_data, syn_ctx)

    forall_primed_data, file_sexp = filter_sexp_for('declare-primed-var', file_sexp)
    forall_primed_vars_map = _process_forall_primed_vars(forall_primed_data, syn_ctx)
    forall_vars_map.update(forall_primed_vars_map)

    # Constraints
    constraints_data, file_sexp = filter_sexp_for('constraint', file_sexp)
    constraints = process_constraints(constraints_data, syn_ctx, forall_vars_map)
    inv_constraints_data, file_sexp = filter_sexp_for('inv-constraint', file_sexp)
    inv_constraints = process_inv_constraints(inv_constraints_data, synth_instantiator, syn_ctx, forall_vars_map)
    constraints.extend(inv_constraints)

    for sf in grammar_map.keys():
        if grammar_map[sf] == 'Default grammar':
            grammar_map[sf] = grammars.make_default_grammar(syn_ctx, theory, sf.range_type, sf.formal_parameters)
        grammar_map[sf].add_constant_rules(make_constant_rules(constraints))

    check_sats, file_sexp = filter_sexp_for('check-synth', file_sexp)

    options_data, file_sexp = filter_sexp_for('set-options', file_sexp)

    assert check_sats == [[]]
    assert file_sexp == []

    return theories, syn_ctx, synth_instantiator, macro_instantiator, uf_instantiator, constraints, grammar_map, forall_vars_map
Exemple #3
0
def get_func_exprs_grammars(benchmark_files):
    # expected format:
    #   sygus format problem
    #   (check-synth)
    #   a single solution
    global eu

    @static_var("cnt", 0)
    def rename(synth_funs_data):
        for synth_fun_data in synth_funs_data:
            # to avoid duplicated names
            synth_fun_data[0] = "__aux_name__" + benchmark_file + str(
                rename.cnt)
            rename.cnt += 1

    exprs_per_category = {}
    # decision tree : label -> exprs
    ## label : (ret_type, eu, STD spec / PBE spec, spec information ... )

    # for eusolver
    ite_related_macros = []
    # all vocabs
    all_vocabs = set([])

    for benchmark_file in benchmark_files:
        print('Loading : ', benchmark_file)
        file_sexp = parser.sexpFromFile(benchmark_file)
        if file_sexp is None:
            continue

        ## specification
        specification = get_specification(file_sexp)
        all_vocabs.update(basic_vocabs_for_spec(specification))

        core_instantiator = semantics_core.CoreInstantiator()
        theory_instantiators = [
            parser.get_theory_instantiator(theory)
            for theory in parser._known_theories
        ]
        macro_instantiator = semantics_core.MacroInstantiator()
        uf_instantiator = semantics_core.UninterpretedFunctionInstantiator()
        synth_instantiator = semantics_core.SynthFunctionInstantiator()

        syn_ctx = synthesis_context.SynthesisContext(core_instantiator,
                                                     *theory_instantiators,
                                                     macro_instantiator,
                                                     uf_instantiator,
                                                     synth_instantiator)
        syn_ctx.set_macro_instantiator(macro_instantiator)

        # collect grammars
        synth_funs_data, _ = parser.filter_sexp_for('synth-fun', file_sexp)
        if len(synth_funs_data) == 0:
            synth_funs_data, _ = parser.filter_sexp_for('synth-inv', file_sexp)
            # rename(synth_funs_data)
            synth_funs_grammar_data = parser.process_synth_invs(
                synth_funs_data, synth_instantiator, syn_ctx)
        else:
            # rename(synth_funs_data)
            synth_funs_grammar_data = parser.process_synth_funcs(
                synth_funs_data, synth_instantiator, syn_ctx)

        # handling only single function problems for now
        fetchop_func = fetchop
        spec_flag = ()
        synth_fun_name = ''
        for synth_fun, arg_vars, grammar_data in synth_funs_grammar_data:
            if grammar_data != 'Default grammar':
                synth_fun_name = synth_fun.function_name
                grammar = parser.sexp_to_grammar(arg_vars, grammar_data,
                                                 synth_fun, syn_ctx)
                # spec flag
                spec_flag = get_spec_flag(specification, grammar)
                # fetchop func
                fetchop_func = get_fetchop_func(specification, grammar)
                all_vocabs.update(
                    get_vocabs_from_grammar(grammar, fetchop_func))

        defs, _ = parser.filter_sexp_for('define-fun', file_sexp)
        if defs is None: defs = []
        if len(defs) > 0:
            for [name, args_data, ret_type_data, interpretation] in defs:
                print(name, ' ', synth_fun_name)
                if synth_fun_name in name:
                    for eusolver in ([True] if eu else [False]):
                        ((arg_vars, arg_types, arg_var_map),
                         return_type) = parser._process_function_defintion(
                             args_data, ret_type_data)
                        # category flag
                        flag = (return_type, eusolver, spec_flag)

                        expr = parser.sexp_to_expr(interpretation, syn_ctx,
                                                   arg_var_map)
                        macro_func = semantics_types.MacroFunction(
                            name, len(arg_vars), tuple(arg_types), return_type,
                            expr, arg_vars)
                        # for eusolver  (recording macro functions of which definition include ite)
                        if eusolver:
                            app = exprs.find_application(expr, 'ite')
                            if app is not None: ite_related_macros.append(name)

                        macro_instantiator.add_function(name, macro_func)
                        i = 0
                        subs_pairs = []
                        for (var_expr, ty) in zip(arg_vars, arg_types):
                            param_expr = exprs.FormalParameterExpression(
                                None, ty, i)
                            subs_pairs.append((var_expr, param_expr))
                            i += 1
                        expr = exprs.substitute_all(expr, subs_pairs)
                        # resolve macro functions involving ite (for enumeration of pred exprs (eusolver))
                        if eusolver:
                            for fname in ite_related_macros:
                                app = exprs.find_application(expr, fname)
                                if app is None: continue
                                expr = macro_instantiator.instantiate_macro(
                                    expr, fname)
                        if flag not in exprs_per_category:
                            exprs_per_category[flag] = set([])
                        exprs_per_category[flag].add((expr, fetchop_func))

    return exprs_per_category, all_vocabs
Exemple #4
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    # solved = [pgm for pgm, runtime in prog2runtime.items() if runtime < max and runtime > min and cvc_prog2runtime[pgm] > 600.0]
    # print('# solved: ', len(solved))
    # print('sum: ', datetime.timedelta(seconds=functools.reduce(lambda x,y: x + y, solved, 0.0)))
    # print('mean: ', datetime.timedelta(seconds=statistics.mean(solved)))
    # print('median: ', datetime.timedelta(seconds=statistics.median(solved)))
    # exit(0)

    core_instantiator = semantics_core.CoreInstantiator()
    theory_instantiators = [
        parser.get_theory_instantiator(theory)
        for theory in parser._known_theories
    ]

    macro_instantiator = semantics_core.MacroInstantiator()
    uf_instantiator = semantics_core.UninterpretedFunctionInstantiator()
    synth_instantiator = semantics_core.SynthFunctionInstantiator()

    syn_ctx = synthesis_context.SynthesisContext(core_instantiator,
                                                 *theory_instantiators,
                                                 macro_instantiator,
                                                 uf_instantiator,
                                                 synth_instantiator)

    file_sexp = parser.sexpFromFile(benchmark_file)
    defs, _ = parser.filter_sexp_for('define-fun', file_sexp)
    if defs is None or len(defs) == 0:
        print('No function can be found!')
        exit(0)

    [name, args_data, ret_type_data, interpretation] = defs[-1]
    ((arg_vars, arg_types, arg_var_map),