author  bulwahn 
Fri, 27 Jan 2012 10:31:30 +0100  
changeset 46343  6d9535e52915 
parent 45765  cb6ddee6a463 
child 46477  db693eb03a3f 
permissions  rwrr 
30824  1 
(* Title: Tools/quickcheck.ML 
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Author: Stefan Berghofer, Florian Haftmann, Lukas Bulwahn, TU Muenchen 
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Generic counterexample search engine. 

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*) 

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signature QUICKCHECK = 

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sig 

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val quickcheckN: string 
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val genuineN: string 
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val noneN: string 
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val unknownN: string 
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val setup: theory > theory 
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(* configuration *) 
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val auto: bool Unsynchronized.ref 
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val batch_tester : string Config.T 
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val size : int Config.T 
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val iterations : int Config.T 
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val depth : int Config.T 
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val no_assms : bool Config.T 
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val report : bool Config.T 
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val timing : bool Config.T 
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val genuine_only : bool Config.T 
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val quiet : bool Config.T 
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val verbose : bool Config.T 
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val timeout : real Config.T 
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val allow_function_inversion : bool Config.T; 
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val finite_types : bool Config.T 
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val finite_type_size : int Config.T 
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val set_active_testers: string list > Context.generic > Context.generic 
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datatype expectation = No_Expectation  No_Counterexample  Counterexample; 
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datatype test_params = Test_Params of {default_type: typ list, expect : expectation}; 
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val test_params_of : Proof.context > test_params 
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val map_test_params : (typ list * expectation > typ list * expectation) 
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> Context.generic > Context.generic 
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val default_type : Proof.context > typ list 
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datatype report = Report of 
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{ iterations : int, raised_match_errors : int, 
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satisfied_assms : int list, positive_concl_tests : int } 
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(* quickcheck's result *) 
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datatype result = 
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Result of 
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{counterexample : (bool * (string * term) list) option, 
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evaluation_terms : (term * term) list option, 
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timings : (string * int) list, 
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reports : (int * report) list} 
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val empty_result : result 
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val found_counterexample : result > bool 
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val add_timing : (string * int) > result Unsynchronized.ref > unit 
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val add_response : string list > term list > (bool * term list) option > result Unsynchronized.ref > unit 
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val add_report : int > report option > result Unsynchronized.ref > unit 
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val counterexample_of : result > (bool * (string * term) list) option 
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val timings_of : result > (string * int) list 
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(* registering testers & generators *) 
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type tester = 
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Proof.context > bool > (string * typ) list > (term * term list) list > result list 
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val add_tester : string * (bool Config.T * tester) > Context.generic > Context.generic 
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val add_batch_generator : 
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string * (Proof.context > term list > (int > term list option) list) 
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> Context.generic > Context.generic 
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val add_batch_validator : 
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string * (Proof.context > term list > (int > bool) list) 
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> Context.generic > Context.generic 
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(* basic operations *) 
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val message : Proof.context > string > unit 
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val verbose_message : Proof.context > string > unit 
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val limit : Time.time > (bool * bool) > (unit > 'a) > (unit > 'a) > unit > 'a 
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val pretty_counterex : Proof.context > bool > 
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((bool * (string * term) list) * (term * term) list) option > Pretty.T 
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(* testing terms and proof states *) 
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val mk_batch_validator : Proof.context > term list > (int > bool) list option 
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val mk_batch_tester : Proof.context > term list > (int > term list option) list option 
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val active_testers : Proof.context > tester list 
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val test_terms : 
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Proof.context > bool * bool > (string * typ) list > (term * term list) list > result list option 
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val quickcheck: (string * string list) list > int > Proof.state > (bool * (string * term) list) option 
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end; 
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structure Quickcheck : QUICKCHECK = 

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struct 

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val quickcheckN = "quickcheck" 
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val quickcheck_paramsN = "quickcheck_params" 
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val genuineN = "genuine" 
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val noneN = "none" 
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val unknownN = "unknown" 
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(* preferences *) 
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val auto = Unsynchronized.ref false; 
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val _ = 

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ProofGeneralPgip.add_preference Preferences.category_tracing 

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(Unsynchronized.setmp auto true (fn () => 
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Preferences.bool_pref auto 
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"autoquickcheck" 

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"Run Quickcheck automatically.") ()); 
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(* quickcheck report *) 
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datatype report = Report of 
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{ iterations : int, raised_match_errors : int, 
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satisfied_assms : int list, positive_concl_tests : int } 
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(* Quickcheck Result *) 
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datatype result = Result of 
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{ counterexample : (bool * (string * term) list) option, evaluation_terms : (term * term) list option, 
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timings : (string * int) list, reports : (int * report) list} 
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val empty_result = 
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Result {counterexample = NONE, evaluation_terms = NONE, timings = [], reports = []} 
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fun counterexample_of (Result r) = #counterexample r 
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fun found_counterexample (Result r) = is_some (#counterexample r) 
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fun response_of (Result r) = case (#counterexample r, #evaluation_terms r) of 
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(SOME ts, SOME evals) => SOME (ts, evals) 
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 (NONE, NONE) => NONE 
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fun timings_of (Result r) = #timings r 
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fun set_response names eval_terms (SOME (genuine, ts)) (Result r) = 
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let 
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val (ts1, ts2) = chop (length names) ts 
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val (eval_terms', _) = chop (length ts2) eval_terms 
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in 
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Result {counterexample = SOME (genuine, (names ~~ ts1)), 
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evaluation_terms = SOME (eval_terms' ~~ ts2), 
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timings = #timings r, reports = #reports r} 
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end 
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 set_response _ _ NONE result = result 
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fun set_counterexample counterexample (Result r) = 

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Result {counterexample = counterexample, evaluation_terms = #evaluation_terms r, 

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timings = #timings r, reports = #reports r} 

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fun set_evaluation_terms evaluation_terms (Result r) = 

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Result {counterexample = #counterexample r, evaluation_terms = evaluation_terms, 

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timings = #timings r, reports = #reports r} 

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fun cons_timing timing (Result r) = 
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Result {counterexample = #counterexample r, evaluation_terms = #evaluation_terms r, 
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timings = cons timing (#timings r), reports = #reports r} 
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fun cons_report size (SOME report) (Result r) = 
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Result {counterexample = #counterexample r, evaluation_terms = #evaluation_terms r, 
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timings = #timings r, reports = cons (size, report) (#reports r)} 
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 cons_report _ NONE result = result 
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fun add_timing timing result_ref = 
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Unsynchronized.change result_ref (cons_timing timing) 
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fun add_report size report result_ref = 
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Unsynchronized.change result_ref (cons_report size report) 
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159 

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fun add_response names eval_terms response result_ref = 
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Unsynchronized.change result_ref (set_response names eval_terms response) 
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162 

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(* expectation *) 
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datatype expectation = No_Expectation  No_Counterexample  Counterexample; 
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fun merge_expectation (expect1, expect2) = 
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if expect1 = expect2 then expect1 else No_Expectation 
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(* quickcheck configuration  default parameters, test generators *) 
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val batch_tester = Attrib.setup_config_string @{binding quickcheck_batch_tester} (K "") 
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val size = Attrib.setup_config_int @{binding quickcheck_size} (K 10) 
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val iterations = Attrib.setup_config_int @{binding quickcheck_iterations} (K 100) 
45213  174 
val depth = Attrib.setup_config_int @{binding quickcheck_depth} (K 10) 
175 

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val no_assms = Attrib.setup_config_bool @{binding quickcheck_no_assms} (K false) 
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val report = Attrib.setup_config_bool @{binding quickcheck_report} (K true) 
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val timing = Attrib.setup_config_bool @{binding quickcheck_timing} (K false) 
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val genuine_only = Attrib.setup_config_bool @{binding quickcheck_genuine_only} (K false) 
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val quiet = Attrib.setup_config_bool @{binding quickcheck_quiet} (K false) 
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val verbose = Attrib.setup_config_bool @{binding quickcheck_verbose} (K false) 
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val timeout = Attrib.setup_config_real @{binding quickcheck_timeout} (K 30.0) 
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val allow_function_inversion = 
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Attrib.setup_config_bool @{binding quickcheck_allow_function_inversion} (K false) 
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val finite_types = Attrib.setup_config_bool @{binding quickcheck_finite_types} (K true) 
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val finite_type_size = Attrib.setup_config_int @{binding quickcheck_finite_type_size} (K 3) 
40646  187 

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datatype test_params = Test_Params of 
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{default_type: typ list, expect : expectation}; 
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fun dest_test_params (Test_Params {default_type, expect}) = (default_type, expect); 
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41517  193 
fun make_test_params (default_type, expect) = 
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Test_Params {default_type = default_type, expect = expect}; 

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41517  196 
fun map_test_params' f (Test_Params {default_type, expect}) = 
197 
make_test_params (f (default_type, expect)); 

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fun merge_test_params 
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(Test_Params {default_type = default_type1, expect = expect1}, 
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Test_Params {default_type = default_type2, expect = expect2}) = 
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make_test_params 
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(merge (op =) (default_type1, default_type2), merge_expectation (expect1, expect2)); 
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type tester = 
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Proof.context > bool > (string * typ) list > (term * term list) list > result list 
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207 

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structure Data = Generic_Data 
33522  209 
( 
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type T = 
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((string * (bool Config.T * tester)) list 
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* ((string * (Proof.context > term list > (int > term list option) list)) list 
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* ((string * (Proof.context > term list > (int > bool) list)) list))) 
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* test_params; 
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val empty = (([], ([], [])), Test_Params {default_type = [], expect = No_Expectation}); 
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val extend = I; 
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fun merge (((testers1, (batch_generators1, batch_validators1)), params1), 
218 
((testers2, (batch_generators2, batch_validators2)), params2)) : T = 

219 
((AList.merge (op =) (K true) (testers1, testers2), 

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(AList.merge (op =) (K true) (batch_generators1, batch_generators2), 
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AList.merge (op =) (K true) (batch_validators1, batch_validators2))), 
28309  222 
merge_test_params (params1, params2)); 
33522  223 
); 
28256  224 

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val test_params_of = snd o Data.get o Context.Proof; 
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226 

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val default_type = fst o dest_test_params o test_params_of 
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228 

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val expect = snd o dest_test_params o test_params_of 
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230 

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val map_test_params = Data.map o apsnd o map_test_params' 
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val add_tester = Data.map o apfst o apfst o AList.update (op =); 
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234 

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val add_batch_generator = Data.map o apfst o apsnd o apfst o AList.update (op =); 
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val add_batch_validator = Data.map o apfst o apsnd o apsnd o AList.update (op =); 
28309  238 

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fun active_testers ctxt = 
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let 
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val testers = (map snd o fst o fst o Data.get o Context.Proof) ctxt 
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in 
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map snd (filter (fn (active, _) => Config.get ctxt active) testers) 
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end 
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245 

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fun set_active_testers [] gen_ctxt = gen_ctxt 
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 set_active_testers testers gen_ctxt = 
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let 
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val registered_testers = (fst o fst o Data.get) gen_ctxt 
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in 
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fold (fn (name, (config, _)) => Config.put_generic config (member (op =) testers name)) 
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registered_testers gen_ctxt 
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end 
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254 

28315  255 
(* generating tests *) 
256 

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fun gen_mk_tester lookup ctxt v = 
28309  258 
let 
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val name = Config.get ctxt batch_tester 
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val tester = case lookup ctxt name 
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of NONE => error ("No such quickcheck batchtester: " ^ name) 
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 SOME tester => tester ctxt; 
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in 
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if Config.get ctxt quiet then 
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try tester v 
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else 
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let (* FIXME !?!? *) 
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val tester = Exn.interruptible_capture tester v 
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in case Exn.get_res tester of 
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NONE => SOME (Exn.release tester) 
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 SOME tester => SOME tester 
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end 
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end 
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274 

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val mk_batch_tester = 
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gen_mk_tester (fn ctxt => AList.lookup (op =) ((fst o snd o fst o Data.get o Context.Proof) ctxt)) 
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val mk_batch_validator = 
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gen_mk_tester (fn ctxt => AList.lookup (op =) ((snd o snd o fst o Data.get o Context.Proof) ctxt)) 
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fun lookup_tester ctxt = AList.lookup (op =) ((fst o fst o Data.get o Context.Proof) ctxt) 
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28315  282 
(* testing propositions *) 
283 

43876  284 
type compile_generator = 
285 
Proof.context > (term * term list) list > int list > term list option * report option 

286 

43585  287 
fun limit timeout (limit_time, is_interactive) f exc () = 
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if limit_time then 
43585  289 
TimeLimit.timeLimit timeout f () 
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290 
handle TimeLimit.TimeOut => 
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if is_interactive then exc () else raise TimeLimit.TimeOut 
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else 
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f () 
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fun message ctxt s = if Config.get ctxt quiet then () else Output.urgent_message s 
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296 

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fun verbose_message ctxt s = if not (Config.get ctxt quiet) andalso Config.get ctxt verbose 
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then Output.urgent_message s else () 
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299 

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fun test_terms ctxt (limit_time, is_interactive) insts goals = 
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case active_testers ctxt of 
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[] => error "No active testers for quickcheck" 
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303 
 testers => 
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limit (seconds (Config.get ctxt timeout)) (limit_time, is_interactive) 
43915  305 
(fn () => Par_List.get_some (fn tester => 
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tester ctxt (length testers > 1) insts goals > 
43915  307 
(fn result => if exists found_counterexample result then SOME result else NONE)) testers) 
308 
(fn () => (message ctxt "Quickcheck ran out of time"; NONE)) (); 

309 

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fun test_goal (time_limit, is_interactive) (insts, eval_terms) i state = 
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311 
let 
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val lthy = Proof.context_of state; 
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val thy = Proof.theory_of state; 
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val _ = message lthy "Quickchecking..." 
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fun strip (Const ("all", _) $ Abs (_, _, t)) = strip t 
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 strip t = t; 
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val {goal = st, ...} = Proof.raw_goal state; 
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val (gi, frees) = Logic.goal_params (prop_of st) i; 
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val some_locale = case (Option.map #target o Named_Target.peek) lthy 
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of NONE => NONE 
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321 
 SOME "" => NONE 
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322 
 SOME locale => SOME locale; 
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323 
val assms = if Config.get lthy no_assms then [] else case some_locale 
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of NONE => Assumption.all_assms_of lthy 
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 SOME locale => Assumption.local_assms_of lthy (Locale.init locale thy); 
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val proto_goal = Logic.list_implies (map Thm.term_of assms, subst_bounds (frees, strip gi)); 
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fun assms_of locale = case fst (Locale.intros_of thy locale) of NONE => [] 
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328 
 SOME th => 
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329 
let 
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val t = the_single (Assumption.all_assms_of (Locale.init locale thy)) 
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331 
val (tyenv, tenv) = 
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332 
Pattern.match thy (concl_of th, term_of t) (Vartab.empty, Vartab.empty) 
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333 
in 
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map (Envir.subst_term (tyenv, tenv)) (prems_of th) 
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335 
end 
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336 
val goals = case some_locale 
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of NONE => [(proto_goal, eval_terms)] 
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338 
 SOME locale => 
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(Logic.list_implies (assms_of locale, proto_goal), eval_terms) :: 
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map (fn (_, phi) => (Morphism.term phi proto_goal, map (Morphism.term phi) eval_terms)) 
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(Locale.registrations_of (Context.Theory thy) (*FIXME*) locale); 
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342 
in 
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343 
test_terms lthy (time_limit, is_interactive) insts goals 
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344 
end 
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345 

37912  346 
(* pretty printing *) 
28315  347 

40225  348 
fun tool_name auto = (if auto then "Auto " else "") ^ "Quickcheck" 
349 

350 
fun pretty_counterex ctxt auto NONE = Pretty.str (tool_name auto ^ " found no counterexample.") 

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351 
 pretty_counterex ctxt auto (SOME ((genuine, cex), eval_terms)) = 
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Pretty.chunks ((Pretty.str (tool_name auto ^ " found a " ^ 
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353 
(if genuine then "counterexample:" else "potentially spurious counterexample due to underspecified functions:") ^ "\n") :: 
28315  354 
map (fn (s, t) => 
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355 
Pretty.block [Pretty.str (s ^ " ="), Pretty.brk 1, Syntax.pretty_term ctxt t]) (rev cex)) 
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356 
@ (if null eval_terms then [] 
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357 
else (Pretty.fbrk :: Pretty.str ("Evaluated terms:") :: 
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358 
map (fn (t, u) => 
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359 
Pretty.block [Syntax.pretty_term ctxt t, Pretty.str " =", Pretty.brk 1, 
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360 
Syntax.pretty_term ctxt u]) (rev eval_terms)))); 
28315  361 

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fun pretty_report (Report {iterations = iterations, raised_match_errors = raised_match_errors, 
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363 
satisfied_assms = satisfied_assms, positive_concl_tests = positive_concl_tests}) = 
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364 
let 
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365 
fun pretty_stat s i = Pretty.block ([Pretty.str (s ^ ": " ^ string_of_int i)]) 
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366 
in 
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367 
([pretty_stat "iterations" iterations, 
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368 
pretty_stat "match exceptions" raised_match_errors] 
41517  369 
@ map_index 
370 
(fn (i, n) => pretty_stat ("satisfied " ^ string_of_int (i + 1) ^ ". assumption") n) 

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371 
satisfied_assms 
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372 
@ [pretty_stat "positive conclusion tests" positive_concl_tests]) 
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373 
end 
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374 

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375 
fun pretty_reports ctxt (SOME reports) = 
40916  376 
Pretty.chunks (Pretty.fbrk :: Pretty.str "Quickcheck report:" :: 
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377 
maps (fn (size, report) => 
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378 
Pretty.str ("size " ^ string_of_int size ^ ":") :: pretty_report report @ [Pretty.brk 1]) 
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379 
(rev reports)) 
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380 
 pretty_reports ctxt NONE = Pretty.str "" 
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381 

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382 
fun pretty_timings timings = 
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383 
Pretty.chunks (Pretty.fbrk :: Pretty.str "timings:" :: 
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384 
maps (fn (label, time) => 
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385 
Pretty.str (label ^ ": " ^ string_of_int time ^ " ms") :: Pretty.brk 1 :: []) (rev timings)) 
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386 

42433
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387 
fun pretty_counterex_and_reports ctxt auto [] = 
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388 
Pretty.chunks [Pretty.strs (tool_name auto :: 
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389 
space_explode " " "is used in a locale where no interpretation is provided."), 
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390 
Pretty.strs (space_explode " " "Please provide an executable interpretation for the locale.")] 
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391 
 pretty_counterex_and_reports ctxt auto (result :: _) = 
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392 
Pretty.chunks (pretty_counterex ctxt auto (response_of result) :: 
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393 
(* map (pretty_reports ctxt) (reports_of result) :: *) 
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394 
(if Config.get ctxt timing then cons (pretty_timings (timings_of result)) else I) []) 
28315  395 

30980  396 
(* Isar commands *) 
28315  397 

28336  398 
fun read_nat s = case (Library.read_int o Symbol.explode) s 
399 
of (k, []) => if k >= 0 then k 

400 
else error ("Not a natural number: " ^ s) 

401 
 (_, _ :: _) => error ("Not a natural number: " ^ s); 

37909
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402 

34128
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403 
fun read_bool "false" = false 
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404 
 read_bool "true" = true 
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405 
 read_bool s = error ("Not a Boolean value: " ^ s) 
28315  406 

40366
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407 
fun read_real s = 
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408 
case (Real.fromString s) of 
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409 
SOME s => s 
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410 
 NONE => error ("Not a real number: " ^ s) 
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411 

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412 
fun read_expectation "no_expectation" = No_Expectation 
41517  413 
 read_expectation "no_counterexample" = No_Counterexample 
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414 
 read_expectation "counterexample" = Counterexample 
41517  415 
 read_expectation s = error ("Not an expectation value: " ^ s) 
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416 

43877  417 
fun valid_tester_name genctxt name = AList.defined (op =) (fst (fst (Data.get genctxt))) name 
418 

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419 
fun parse_tester name (testers, genctxt) = 
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420 
if valid_tester_name genctxt name then 
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421 
(insert (op =) name testers, genctxt) 
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422 
else 
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423 
error ("Unknown tester: " ^ name) 
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424 

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425 
fun parse_test_param ("tester", args) = fold parse_tester args 
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426 
 parse_test_param ("size", [arg]) = apsnd (Config.put_generic size (read_nat arg)) 
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427 
 parse_test_param ("iterations", [arg]) = apsnd (Config.put_generic iterations (read_nat arg)) 
45213  428 
 parse_test_param ("depth", [arg]) = apsnd (Config.put_generic depth (read_nat arg)) 
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429 
 parse_test_param ("default_type", arg) = (fn (testers, gen_ctxt) => 
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430 
(testers, map_test_params 
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431 
((apfst o K) (map (Proof_Context.read_typ (Context.proof_of gen_ctxt)) arg)) gen_ctxt)) 
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432 
 parse_test_param ("no_assms", [arg]) = apsnd (Config.put_generic no_assms (read_bool arg)) 
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433 
 parse_test_param ("expect", [arg]) = apsnd (map_test_params ((apsnd o K) (read_expectation arg))) 
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434 
 parse_test_param ("report", [arg]) = apsnd (Config.put_generic report (read_bool arg)) 
45757
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renaming potential flag to genuine_only flag with an inverse semantics
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435 
 parse_test_param ("genuine_only", [arg]) = apsnd (Config.put_generic genuine_only (read_bool arg)) 
43881
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436 
 parse_test_param ("quiet", [arg]) = apsnd (Config.put_generic quiet (read_bool arg)) 
45764  437 
 parse_test_param ("verbose", [arg]) = apsnd (Config.put_generic verbose (read_bool arg)) 
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438 
 parse_test_param ("timeout", [arg]) = apsnd (Config.put_generic timeout (read_real arg)) 
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439 
 parse_test_param ("finite_types", [arg]) = apsnd (Config.put_generic finite_types (read_bool arg)) 
45449
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440 
 parse_test_param ("allow_function_inversion", [arg]) = 
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441 
apsnd (Config.put_generic allow_function_inversion (read_bool arg)) 
41517  442 
 parse_test_param ("finite_type_size", [arg]) = 
43881
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443 
apsnd (Config.put_generic finite_type_size (read_nat arg)) 
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444 
 parse_test_param (name, _) = (fn (testers, genctxt) => 
40912
1108529100ce
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445 
if valid_tester_name genctxt name then 
43881
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446 
(insert (op =) name testers, genctxt) 
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447 
else error ("Unknown tester or test parameter: " ^ name)); 
28315  448 

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449 
fun proof_map_result f = apsnd Context.the_proof o f o Context.Proof; 
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450 

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451 
fun parse_test_param_inst (name, arg) ((insts, eval_terms), (testers, ctxt)) = 
42361  452 
case try (Proof_Context.read_typ ctxt) name 
42025  453 
of SOME (TFree (v, _)) => 
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454 
((AList.update (op =) (v, Proof_Context.read_typ ctxt (the_single arg)) insts, eval_terms), 
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455 
(testers, ctxt)) 
42025  456 
 NONE => (case name of 
43881
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457 
"eval" => ((insts, eval_terms @ map (Syntax.read_term ctxt) arg), (testers, ctxt)) 
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458 
 _ => ((insts, eval_terms), 
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459 
proof_map_result (fn gen_ctxt => parse_test_param (name, arg) (testers, gen_ctxt)) ctxt)); 
28309  460 

43881
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461 
fun quickcheck_params_cmd args = Context.theory_map 
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462 
(fn gen_ctxt => uncurry set_active_testers (fold parse_test_param args ([], gen_ctxt))); 
41517  463 

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464 
fun check_expectation state results = 
43879
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465 
(if is_some results andalso expect (Proof.context_of state) = No_Counterexample 
42088
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466 
then 
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467 
error ("quickcheck expected to find no counterexample but found one") 
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468 
else 
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469 
(if is_none results andalso expect (Proof.context_of state) = Counterexample 
42088
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470 
then 
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471 
error ("quickcheck expected to find a counterexample but did not find one") 
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472 
else ())) 
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473 

35378
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474 
fun gen_quickcheck args i state = 
40644
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changeset

475 
state 
43881
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476 
> Proof.map_context_result (fn ctxt => 
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477 
apsnd (fn (testers, ctxt) => Context.proof_map (set_active_testers testers) ctxt) 
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478 
(fold parse_test_param_inst args (([], []), ([], ctxt)))) 
42026
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diff
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479 
> (fn ((insts, eval_terms), state') => test_goal (true, true) (insts, eval_terms) i state' 
42088
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480 
> tap (check_expectation state')) 
32297  481 

43879
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482 
fun quickcheck args i state = 
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483 
Option.map (the o get_first counterexample_of) (gen_quickcheck args i state) 
35378
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changeset

484 

32297  485 
fun quickcheck_cmd args i state = 
35378
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486 
gen_quickcheck args i (Toplevel.proof_of state) 
43879
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changeset

487 
> Option.map (the o get_first response_of) 
43020
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changeset

488 
> Output.urgent_message o Pretty.string_of 
43879
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489 
o pretty_counterex (Toplevel.context_of state) false; 
28309  490 

41517  491 
val parse_arg = 
492 
Parse.name  

493 
(Scan.optional (Parse.$$$ "="  

494 
(((Parse.name  Parse.float_number) >> single)  

495 
(Parse.$$$ "["  Parse.list1 Parse.name  Parse.$$$ "]"))) ["true"]); 

28309  496 

41517  497 
val parse_args = 
498 
Parse.$$$ "["  Parse.list1 parse_arg  Parse.$$$ "]"  Scan.succeed []; 

28336  499 

36960
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500 
val _ = 
43020
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changeset

501 
Outer_Syntax.command quickcheck_paramsN "set parameters for random testing" Keyword.thy_decl 
36960
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
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changeset

502 
(parse_args >> (fn args => Toplevel.theory (quickcheck_params_cmd args))); 
28309  503 

36960
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diff
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504 
val _ = 
43020
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blanchet
parents:
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diff
changeset

505 
Outer_Syntax.improper_command quickcheckN "try to find counterexample for subgoal" Keyword.diag 
36960
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
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changeset

506 
(parse_args  Scan.optional Parse.nat 1 
01594f816e3a
prefer structure Keyword, Parse, Parse_Spec, Outer_Syntax;
wenzelm
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changeset

507 
>> (fn (args, i) => Toplevel.no_timing o Toplevel.keep (quickcheck_cmd args i))); 
28309  508 

43020
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changeset

509 
(* automatic testing *) 
abb5d1f907e4
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blanchet
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diff
changeset

510 

abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
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diff
changeset

511 
fun try_quickcheck auto state = 
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
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diff
changeset

512 
let 
abb5d1f907e4
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blanchet
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diff
changeset

513 
val ctxt = Proof.context_of state; 
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset

514 
val i = 1; 
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
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diff
changeset

515 
val res = 
abb5d1f907e4
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blanchet
parents:
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diff
changeset

516 
state 
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
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diff
changeset

517 
> Proof.map_context (Config.put report false #> Config.put quiet true) 
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
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diff
changeset

518 
> try (test_goal (false, false) ([], []) i); 
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset

519 
in 
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset

520 
case res of 
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
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diff
changeset

521 
NONE => (unknownN, state) 
abb5d1f907e4
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blanchet
parents:
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diff
changeset

522 
 SOME results => 
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
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diff
changeset

523 
let 
43879
c8308a8faf9f
enabling parallel execution of testers but removing more informative quickcheck output
bulwahn
parents:
43878
diff
changeset

524 
val msg = pretty_counterex ctxt auto (Option.map (the o get_first response_of) results) 
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset

525 
in 
43879
c8308a8faf9f
enabling parallel execution of testers but removing more informative quickcheck output
bulwahn
parents:
43878
diff
changeset

526 
if is_some results then 
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset

527 
(genuineN, 
43029
3e060b1c844b
use helpers and tweak Quickcheck's priority to it comes second (to give Solve Direct slightly more time before another prover runs)
blanchet
parents:
43024
diff
changeset

528 
state 
3e060b1c844b
use helpers and tweak Quickcheck's priority to it comes second (to give Solve Direct slightly more time before another prover runs)
blanchet
parents:
43024
diff
changeset

529 
> (if auto then 
3e060b1c844b
use helpers and tweak Quickcheck's priority to it comes second (to give Solve Direct slightly more time before another prover runs)
blanchet
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diff
changeset

530 
Proof.goal_message (K (Pretty.chunks [Pretty.str "", 
45666  531 
Pretty.mark Isabelle_Markup.hilite msg])) 
43029
3e060b1c844b
use helpers and tweak Quickcheck's priority to it comes second (to give Solve Direct slightly more time before another prover runs)
blanchet
parents:
43024
diff
changeset

532 
else 
3e060b1c844b
use helpers and tweak Quickcheck's priority to it comes second (to give Solve Direct slightly more time before another prover runs)
blanchet
parents:
43024
diff
changeset

533 
tap (fn _ => Output.urgent_message (Pretty.string_of msg)))) 
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset

534 
else 
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset

535 
(noneN, state) 
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset

536 
end 
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset

537 
end 
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset

538 
> `(fn (outcome_code, _) => outcome_code = genuineN) 
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
43018
diff
changeset

539 

43029
3e060b1c844b
use helpers and tweak Quickcheck's priority to it comes second (to give Solve Direct slightly more time before another prover runs)
blanchet
parents:
43024
diff
changeset

540 
val setup = Try.register_tool (quickcheckN, (20, auto, try_quickcheck)) 
43020
abb5d1f907e4
added "try" command, to launch Solve Direct, Quickcheck, Nitpick, Sledgehammer, and Try Methods
blanchet
parents:
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diff
changeset

541 

28315  542 
end; 
28309  543 

28315  544 
val auto_quickcheck = Quickcheck.auto; 