def test_rabin_persistence_2(): aut = trl.default_rabin_automaton() aut.declare_variables(x='bool') aut.varlist['sys'] = ['x'] aut.init['sys'] = aut.true aut.win['<>[]'] = [aut.add_expr('x'), aut.add_expr(' ~ x')] # solve zk, yki, xkijr = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.true, aut.bdd.to_expr(win_set) # transducer gr1.make_rabin_transducer(zk, yki, xkijr, aut) assert action_refined(aut) init = aut.init['impl_env'] s = '(_goal = 0) /\ (_hold = 2)' init_ = aut.add_expr(s) assert init == init_, aut.bdd.to_expr(init) action = aut.action['impl'] # enumeration.dump_relation(action, aut) s = ( "(_goal = 0) /\ (_goal' = 0) /\ " "ite(_hold = 1," "(_hold' = 1) /\ ~ x'," "ite(_hold = 0," "(_hold' = 0) /\ x'," "(_hold = 2) /\ (" "( (_hold' = 0) /\ x' ) \/ " "( (_hold' = 1) /\ ~ x' )" ") ) )") action_ = aut.add_expr(s) assert action == action_, aut.bdd.to_expr(action)
def test_rabin_persistence(): aut = trl.default_rabin_automaton() aut.declare_variables(x='bool') aut.varlist['sys'] = ['x'] aut.init['env'] = aut.add_expr(' ~ x') aut.win['<>[]'] = [aut.add_expr('x')] # solve zk, yki, xkijr = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.true, aut.bdd.to_expr(win_set) # tranducer gr1.make_rabin_transducer(zk, yki, xkijr, aut) assert action_refined(aut) init = aut.init['impl_env'] s = '(_goal = 0) /\ (_hold = 1) /\ ~ x' init_ = aut.add_expr(s) assert init == init_, aut.bdd.to_expr(init) action = aut.action['impl'] s = ( "(_goal = 0) /\ (_goal' = 0) /\ " "ite(_hold' = 1, ~ x /\ x', x /\ x')") action_ = aut.add_expr(s) assert action == action_, aut.bdd.to_expr(action) # # unrealizable aut.win['[]<>'] = [aut.add_expr(' ~ x')] zk, _, _ = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.false, aut.bdd.to_expr(win_set)
def test_rabin_with_safety_assumption(): aut = trl.default_rabin_automaton() aut.declare_variables(x='bool') aut.varlist['env'] = ['x'] aut.init['env'] = aut.add_expr('x') aut.action['env'] = aut.add_expr("x' ") aut.action['sys'] = aut.add_expr("x") # solve zk, yki, xkijr = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.add_expr('x'), win_set # transducer gr1.make_rabin_transducer(zk, yki, xkijr, aut) assert action_refined(aut) init = aut.init['impl_env'] s = 'x /\ (_goal = 0) /\ (_hold = 1)' init_ = aut.add_expr(s) assert init == init_, aut.bdd.to_expr(init) action = aut.action['impl'] s = "((_goal = 0) /\ (_goal' = 0) /\ (_hold' = 0) /\ x)" action_ = aut.add_expr(s) assert action == action_, aut.bdd.to_expr(action) # # negate action to make unrealizable aut.action['sys'] = aut.add_expr(' ~ x') # solve zk, yki, xkijr = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.false, aut.bdd.to_expr(win_set) with assert_raises(AssertionError): gr1.make_rabin_transducer(zk, yki, xkijr, aut)
def test_rabin_counter(): aut = trl.default_rabin_automaton() aut.declare_variables(x='bool') aut.varlist['sys'] = ['x'] aut.plus_one = False aut.qinit = '\A \A' aut.action['sys'] = aut.add_expr("x => ~ x' ") aut.win['[]<>'] = [aut.add_expr('x')] # solve zk, yki, xkijr = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.bdd.true, aut.bdd.to_expr(win_set) # transducer gr1.make_rabin_transducer(zk, yki, xkijr, aut) assert action_refined(aut) init = aut.init['impl_env'] s = '(_goal = 0) /\ (_hold = 1)' init_ = aut.add_expr(s) assert init == init_, aut.bdd.to_expr(init) action = aut.action['impl'] # regression s = ( "(_goal = 0) /\ (_goal' = 0) /\ " "(_hold' = 0) /\ " "ite(_hold = 0, x <=> ~ x', x => ~ x')") action_ = aut.add_expr(s) assert action == action_, aut.bdd.to_expr(action)
def trivial_winning_set(aut_streett): """Return set of trivially winning nodes for Streett(1). @return: `(trivial, aut_streett)` where: - `trivial`: node in `aut_streett.bdd` - `aut_streett`: `temporal.Automaton` """ aut_rabin = trl.default_rabin_automaton() aut_rabin.bdd = aut_streett.bdd aut_rabin.vars = copy.deepcopy(aut_streett.vars) # swap vars and actions aut_rabin.varlist['env'] = list(aut_streett.varlist['sys']) aut_rabin.varlist['sys'] = list(aut_streett.varlist['env']) aut_rabin.action['env'] = aut_streett.action['sys'] aut_rabin.action['sys'] = aut_streett.action['env'] aut_rabin.init['env'] = aut_streett.init['sys'] aut_rabin.init['sys'] = aut_streett.init['env'] win = [~ w for w in aut_streett.win['<>[]']] aut_rabin.win['[]<>'] = win # needed because we changed bdd aut_rabin.win['<>[]'] = [aut_rabin.true] # solve win_streett, _, _ = solve_streett_game(aut_streett) zk, _, _ = solve_rabin_game(aut_rabin) win_rabin = zk[-1] # find trivial win set # win_rabin_ = _copy_bdd(win_rabin, # aut_rabin.bdd, aut_streett.bdd) trivial = win_streett & ~ win_rabin return trivial, aut_streett
def trivial_winning_set(aut_streett): """Return set of trivially winning nodes for Streett(1). @return: `(trivial, aut_streett)` where: - `trivial`: node in `aut_streett.bdd` - `aut_streett`: `temporal.Automaton` """ aut_rabin = trl.default_rabin_automaton() aut_rabin.bdd = aut_streett.bdd aut_rabin.vars = copy.deepcopy(aut_streett.vars) # swap vars and actions aut_rabin.varlist['env'] = list(aut_streett.varlist['sys']) aut_rabin.varlist['sys'] = list(aut_streett.varlist['env']) aut_rabin.action['env'] = aut_streett.action['sys'] aut_rabin.action['sys'] = aut_streett.action['env'] aut_rabin.init['env'] = aut_streett.init['sys'] aut_rabin.init['sys'] = aut_streett.init['env'] win = [~ w for w in aut_streett.win['<>[]']] aut_rabin.win['[]<>'] = win # needed because we changed bdd aut_rabin.win['<>[]'] = [aut_rabin.true] # solve win_streett, _, _ = solve_streett_game(aut_streett) zk, _, _ = solve_rabin_game(aut_rabin) win_rabin = zk[-1] # find trivial win set # win_rabin_ = _copy_bdd(win_rabin, # aut_rabin.bdd, aut_streett.bdd) trivial = win_streett & ~ win_rabin return trivial, aut_streett
def test_rabin_2_goals(): aut = trl.default_rabin_automaton() aut.declare_variables(x='bool', y='bool') aut.varlist = dict(env=['x'], sys=['y']) aut.win['[]<>'] = [aut.add_expr('x => y')] # solve zk, _, _ = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.true, aut.bdd.to_expr(win_set) # # unrealizable aut.win['<>[]'] = [aut.add_expr(' ~ y')] zk, _, _ = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.false, aut.bdd.to_expr(win_set) # # realizable again aut.win['<>[]'] = [aut.add_expr('y')] zk, _, _ = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.true, aut.bdd.to_expr(win_set) # # unrealizable aut.win['[]<>'] = [aut.add_expr(s) for s in ['x => y', ' ~ y']] zk, _, _ = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.false, aut.bdd.to_expr(win_set)
def test_rabin_trivial_loop(): a = trl.default_rabin_automaton() a.acceptance = 'Rabin(1)' a.declare_variables(x='bool') a.varlist['sys'] = ['x'] # solve assert len(a.win['<>[]']) == 1 assert len(a.win['[]<>']) == 1 zk, yki, xkijr = gr1.solve_rabin_game(a) assert zk[-1] == a.bdd.true, zk # transducer gr1.make_rabin_transducer(zk, yki, xkijr, a) # vars assert '_goal' in a.vars, a.vars vt = a.vars['_goal']['type'] assert vt == 'int', vt dom = a.vars['_goal']['dom'] assert dom == (0, 0), dom assert '_hold' in a.vars, a.vars vt = a.vars['_hold']['type'] assert vt == 'int', vt dom = a.vars['_hold']['dom'] assert dom == (0, 1), dom assert 'x' in a.vars, a.vars # init init = a.init['impl_env'] init_ = a.add_expr('(_goal = 0) /\ (_hold = 1)') assert init == init_, a.bdd.to_expr(init) # action action = a.action['impl'] s = ("(_goal = 0) /\ (_goal' = 0) /\ " "(_hold' = 0)") action_ = a.add_expr(s) assert action == action_, a.bdd.to_expr(action)
def test_rabin_persistence_2(): aut = trl.default_rabin_automaton() aut.declare_variables(x='bool') aut.varlist['sys'] = ['x'] aut.init['sys'] = aut.true aut.win['<>[]'] = [aut.add_expr('x'), aut.add_expr(' ~ x')] # solve zk, yki, xkijr = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.true, aut.bdd.to_expr(win_set) # transducer gr1.make_rabin_transducer(zk, yki, xkijr, aut) assert action_refined(aut) init = aut.init['impl_env'] s = '(_goal = 0) /\ (_hold = 2)' init_ = aut.add_expr(s) assert init == init_, aut.bdd.to_expr(init) action = aut.action['impl'] # enumeration.dump_relation(action, aut) s = ("(_goal = 0) /\ (_goal' = 0) /\ " "ite(_hold = 1," "(_hold' = 1) /\ ~ x'," "ite(_hold = 0," "(_hold' = 0) /\ x'," "(_hold = 2) /\ (" "( (_hold' = 0) /\ x' ) \/ " "( (_hold' = 1) /\ ~ x' )" ") ) )") action_ = aut.add_expr(s) assert action == action_, aut.bdd.to_expr(action)
def test_rabin_with_safety_assumption(): aut = trl.default_rabin_automaton() aut.declare_variables(x='bool') aut.varlist['env'] = ['x'] aut.init['env'] = aut.add_expr('x') aut.action['env'] = aut.add_expr("x' ") aut.action['sys'] = aut.add_expr("x") # solve zk, yki, xkijr = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.add_expr('x'), win_set # transducer gr1.make_rabin_transducer(zk, yki, xkijr, aut) assert action_refined(aut) init = aut.init['impl_env'] s = 'x /\ (_goal = 0) /\ (_hold = 1)' init_ = aut.add_expr(s) assert init == init_, aut.bdd.to_expr(init) action = aut.action['impl'] s = "((_goal = 0) /\ (_goal' = 0) /\ (_hold' = 0) /\ x)" action_ = aut.add_expr(s) assert action == action_, aut.bdd.to_expr(action) # # negate action to make unrealizable aut.action['sys'] = aut.add_expr(' ~ x') # solve zk, yki, xkijr = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.false, aut.bdd.to_expr(win_set) with assert_raises(AssertionError): gr1.make_rabin_transducer(zk, yki, xkijr, aut)
def test_rabin_counter(): aut = trl.default_rabin_automaton() aut.declare_variables(x='bool') aut.varlist['sys'] = ['x'] aut.plus_one = False aut.qinit = '\A \A' aut.action['sys'] = aut.add_expr("x => ~ x' ") aut.win['[]<>'] = [aut.add_expr('x')] # solve zk, yki, xkijr = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.bdd.true, aut.bdd.to_expr(win_set) # transducer gr1.make_rabin_transducer(zk, yki, xkijr, aut) assert action_refined(aut) init = aut.init['impl_env'] s = '(_goal = 0) /\ (_hold = 1)' init_ = aut.add_expr(s) assert init == init_, aut.bdd.to_expr(init) action = aut.action['impl'] # regression s = ("(_goal = 0) /\ (_goal' = 0) /\ " "(_hold' = 0) /\ " "ite(_hold = 0, x <=> ~ x', x => ~ x')") action_ = aut.add_expr(s) assert action == action_, aut.bdd.to_expr(action)
def test_rabin_persistence(): aut = trl.default_rabin_automaton() aut.declare_variables(x='bool') aut.varlist['sys'] = ['x'] aut.init['env'] = aut.add_expr(' ~ x') aut.win['<>[]'] = [aut.add_expr('x')] # solve zk, yki, xkijr = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.true, aut.bdd.to_expr(win_set) # tranducer gr1.make_rabin_transducer(zk, yki, xkijr, aut) assert action_refined(aut) init = aut.init['impl_env'] s = '(_goal = 0) /\ (_hold = 1) /\ ~ x' init_ = aut.add_expr(s) assert init == init_, aut.bdd.to_expr(init) action = aut.action['impl'] s = ("(_goal = 0) /\ (_goal' = 0) /\ " "ite(_hold' = 1, ~ x /\ x', x /\ x')") action_ = aut.add_expr(s) assert action == action_, aut.bdd.to_expr(action) # # unrealizable aut.win['[]<>'] = [aut.add_expr(' ~ x')] zk, _, _ = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.false, aut.bdd.to_expr(win_set)
def test_rabin_2_goals(): aut = trl.default_rabin_automaton() aut.declare_variables(x='bool', y='bool') aut.varlist = dict(env=['x'], sys=['y']) aut.win['[]<>'] = [aut.add_expr('x => y')] # solve zk, _, _ = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.true, aut.bdd.to_expr(win_set) # # unrealizable aut.win['<>[]'] = [aut.add_expr(' ~ y')] zk, _, _ = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.false, aut.bdd.to_expr(win_set) # # realizable again aut.win['<>[]'] = [aut.add_expr('y')] zk, _, _ = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.true, aut.bdd.to_expr(win_set) # # unrealizable aut.win['[]<>'] = [aut.add_expr(s) for s in ['x => y', ' ~ y']] zk, _, _ = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.false, aut.bdd.to_expr(win_set)
def test_rabin_trivial_loop(): a = trl.default_rabin_automaton() a.acceptance = 'Rabin(1)' a.declare_variables(x='bool') a.varlist['sys'] = ['x'] # solve assert len(a.win['<>[]']) == 1 assert len(a.win['[]<>']) == 1 zk, yki, xkijr = gr1.solve_rabin_game(a) assert zk[-1] == a.bdd.true, zk # transducer gr1.make_rabin_transducer(zk, yki, xkijr, a) # vars assert '_goal' in a.vars, a.vars vt = a.vars['_goal']['type'] assert vt == 'int', vt dom = a.vars['_goal']['dom'] assert dom == (0, 0), dom assert '_hold' in a.vars, a.vars vt = a.vars['_hold']['type'] assert vt == 'int', vt dom = a.vars['_hold']['dom'] assert dom == (0, 1), dom assert 'x' in a.vars, a.vars # init init = a.init['impl_env'] init_ = a.add_expr('(_goal = 0) /\ (_hold = 1)') assert init == init_, a.bdd.to_expr(init) # action action = a.action['impl'] s = ( "(_goal = 0) /\ (_goal' = 0) /\ " "(_hold' = 0)") action_ = a.add_expr(s) assert action == action_, a.bdd.to_expr(action)
def test_rabin_goal(): aut = trl.default_rabin_automaton() aut.declare_variables(x='bool') aut.varlist = dict(env=['x'], sys=list()) aut.win['[]<>'] = [aut.add_expr('x')] # solve zk, yki, xkijr = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.false, aut.bdd.to_expr(win_set)
def test_rabin_goal(): aut = trl.default_rabin_automaton() aut.declare_variables(x='bool') aut.varlist = dict(env=['x'], sys=list()) aut.win['[]<>'] = [aut.add_expr('x')] # solve zk, yki, xkijr = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.false, aut.bdd.to_expr(win_set)
def test_streett_with_liveness_assumption(): aut = trl.default_streett_automaton() aut.declare_variables(x='bool', y=(0, 2)) aut.varlist = dict(env=['x'], sys=['y']) aut.init['env'] = aut.add_expr('y < 2') aut.action['sys'] = aut.add_expr( """ /\ ( ((y = 0) /\ ~ x) => (y' = 0) ) /\ ((y = 0) => (y' < 2)) /\ ((y = 1) => (y' = 0)) /\ ((y = 2) => FALSE) /\ y \in 0..2 """) aut.win['<>[]'] = [aut.add_expr(' ~ x')] aut.win['[]<>'] = [aut.add_expr('y = 1')] # solve z, yij, xijk = gr1.solve_streett_game(aut) z_ = aut.add_expr('y < 2') e = aut.bdd.to_expr(z) e_ = aut.bdd.to_expr(z_) assert z == z_, (e, e_) # transducer gr1.make_streett_transducer(z, yij, xijk, aut) assert action_refined(aut) init = aut.init['impl_env'] assert init == aut.add_expr('(y < 2) /\ (_goal = 0)'), aut.bdd.to_expr(init) action = aut.action['impl'] s = ( "( (y = 0) => ite(x, (y' = 1), (y' = 0)) ) /\ " "( (y = 1) => (y' = 0) ) /\ " "( (_goal = 0) /\ (_goal' = 0) ) /\ " "( (y /= 2) /\ (y /= 3) )") action_ = aut.add_expr(s) sat = list(aut.bdd.pick_iter(action)) sys_action = aut.action['sys'] sys_action = gr1._copy_bdd(sys_action, aut.bdd, aut.bdd) u = aut.apply('=>', action, sys_action) assert u == aut.bdd.true, u assert action == action_, (action, action_, pprint.pprint(sat)) # # test complement b = trl.default_rabin_automaton() b.acceptance = 'Rabin(1)' b.declare_variables(x='bool', y=(0, 2)) b.varlist = dict(env=['y'], sys=['x']) b.action['env'] = gr1._copy_bdd(aut.action['sys'], aut.bdd, b.bdd) b.win['<>[]'] = [b.add_expr('y /= 1')] b.win['[]<>'] = [b.add_expr('x')] zk, yki, xkijr = gr1.solve_rabin_game(b) rabin_win_set = zk[-1] bdd = b.bdd streett_win_set = gr1._copy_bdd(z, aut.bdd, bdd) assert rabin_win_set == bdd.apply('not', streett_win_set) with assert_raises(AssertionError): gr1.make_rabin_transducer(zk, yki, xkijr, b)
def test_streett_with_liveness_assumption(): aut = trl.default_streett_automaton() aut.declare_variables(x='bool', y=(0, 2)) aut.varlist = dict(env=['x'], sys=['y']) aut.init['env'] = aut.add_expr('y < 2') aut.action['sys'] = aut.add_expr(""" /\ ( ((y = 0) /\ ~ x) => (y' = 0) ) /\ ((y = 0) => (y' < 2)) /\ ((y = 1) => (y' = 0)) /\ ((y = 2) => FALSE) /\ y \in 0..2 """) aut.win['<>[]'] = [aut.add_expr(' ~ x')] aut.win['[]<>'] = [aut.add_expr('y = 1')] # solve z, yij, xijk = gr1.solve_streett_game(aut) z_ = aut.add_expr('y < 2') e = aut.bdd.to_expr(z) e_ = aut.bdd.to_expr(z_) assert z == z_, (e, e_) # transducer gr1.make_streett_transducer(z, yij, xijk, aut) assert action_refined(aut) init = aut.init['impl_env'] assert init == aut.add_expr('(y < 2) /\ (_goal = 0)'), aut.bdd.to_expr( init) action = aut.action['impl'] s = ("( (y = 0) => ite(x, (y' = 1), (y' = 0)) ) /\ " "( (y = 1) => (y' = 0) ) /\ " "( (_goal = 0) /\ (_goal' = 0) ) /\ " "( (y /= 2) /\ (y /= 3) )") action_ = aut.add_expr(s) sat = list(aut.bdd.pick_iter(action)) sys_action = aut.action['sys'] sys_action = gr1._copy_bdd(sys_action, aut.bdd, aut.bdd) u = aut.apply('=>', action, sys_action) assert u == aut.bdd.true, u assert action == action_, (action, action_, pprint.pprint(sat)) # # test complement b = trl.default_rabin_automaton() b.acceptance = 'Rabin(1)' b.declare_variables(x='bool', y=(0, 2)) b.varlist = dict(env=['y'], sys=['x']) b.action['env'] = gr1._copy_bdd(aut.action['sys'], aut.bdd, b.bdd) b.win['<>[]'] = [b.add_expr('y /= 1')] b.win['[]<>'] = [b.add_expr('x')] zk, yki, xkijr = gr1.solve_rabin_game(b) rabin_win_set = zk[-1] bdd = b.bdd streett_win_set = gr1._copy_bdd(z, aut.bdd, bdd) assert rabin_win_set == bdd.apply('not', streett_win_set) with assert_raises(AssertionError): gr1.make_rabin_transducer(zk, yki, xkijr, b)
def test_rabin_always_x(): # always x aut = trl.default_rabin_automaton() aut.declare_variables(x='bool') aut.varlist['sys'] = ['x'] aut.acceptance = 'Rabin(1)' aut.action['sys'] = aut.add_expr("x' ") # solve zk, yki, xkijr = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.bdd.true, win_set # transducer gr1.make_rabin_transducer(zk, yki, xkijr, aut) # init init = aut.init['impl_env'] s = '(_goal = 0) /\ (_hold = 1)' init_ = aut.add_expr(s) assert init == init_, aut.bdd.to_expr(init) # action action = aut.action['impl'] s = ( "(_goal = 0) /\ (_goal' = 0) /\ " "(_hold' = 0) /\ " "x' ") action_ = aut.add_expr(s) assert action == action_, aut.bdd.to_expr(action) # # always ~ x aut.init['env'] = aut.add_expr(' ~ x') aut.action['sys'] = aut.add_expr(' ~ x') # solve zk, yki, xkijr = gr1.solve_rabin_game(aut) win_set = zk[-1] win_set_ = aut.add_expr(' ~ x') assert win_set == win_set_, aut.bdd.to_expr(win_set) # transducer gr1.make_rabin_transducer(zk, yki, xkijr, aut) assert action_refined(aut) init = aut.init['impl_env'] s = ( '(_goal = 0) /\ (_hold = 1) /\ ' ' ~ x') init_ = aut.add_expr(s) assert init == init_, aut.bdd.to_expr(init) action = aut.action['impl'] s = ( "(_goal = 0) /\ (_goal' = 0) /\ " "(_hold' = 0) /\ " " ~ x /\ ~ x'") action_ = aut.add_expr(s) assert action == action_, aut.bdd.to_expr(action)
def test_rabin_always_x(): # always x aut = trl.default_rabin_automaton() aut.declare_variables(x='bool') aut.varlist['sys'] = ['x'] aut.acceptance = 'Rabin(1)' aut.action['sys'] = aut.add_expr("x' ") # solve zk, yki, xkijr = gr1.solve_rabin_game(aut) win_set = zk[-1] assert win_set == aut.bdd.true, win_set # transducer gr1.make_rabin_transducer(zk, yki, xkijr, aut) # init init = aut.init['impl_env'] s = '(_goal = 0) /\ (_hold = 1)' init_ = aut.add_expr(s) assert init == init_, aut.bdd.to_expr(init) # action action = aut.action['impl'] s = ("(_goal = 0) /\ (_goal' = 0) /\ " "(_hold' = 0) /\ " "x' ") action_ = aut.add_expr(s) assert action == action_, aut.bdd.to_expr(action) # # always ~ x aut.init['env'] = aut.add_expr(' ~ x') aut.action['sys'] = aut.add_expr(' ~ x') # solve zk, yki, xkijr = gr1.solve_rabin_game(aut) win_set = zk[-1] win_set_ = aut.add_expr(' ~ x') assert win_set == win_set_, aut.bdd.to_expr(win_set) # transducer gr1.make_rabin_transducer(zk, yki, xkijr, aut) assert action_refined(aut) init = aut.init['impl_env'] s = ('(_goal = 0) /\ (_hold = 1) /\ ' ' ~ x') init_ = aut.add_expr(s) assert init == init_, aut.bdd.to_expr(init) action = aut.action['impl'] s = ("(_goal = 0) /\ (_goal' = 0) /\ " "(_hold' = 0) /\ " " ~ x /\ ~ x'") action_ = aut.add_expr(s) assert action == action_, aut.bdd.to_expr(action)