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ML API bugfix (Codeplex issue 102)

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Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
Christoph M. Wintersteiger 2014-04-02 19:08:59 +01:00
parent c32e130487
commit 54b7f8eec3
3 changed files with 192 additions and 143 deletions
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43
examples/ml/ml_example.ml
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@ -196,6 +196,48 @@ let basic_tests ( ctx : context ) =
Printf.printf "Exception caught, OK.\n"
)
(**
A basic example of how to use quantifiers.
**)
let quantifierExample1 ( ctx : context ) =
Printf.printf "QuantifierExample\n" ;
let is = (Integer.mk_sort ctx) in
let types = [ is; is; is ] in
let names = [ (Symbol.mk_string ctx "x_0");
(Symbol.mk_string ctx "x_1");
(Symbol.mk_string ctx "x_2") ] in
let vars = [ (Quantifier.mk_bound ctx 2 (List.nth types 0));
(Quantifier.mk_bound ctx 2 (List.nth types 1));
(Quantifier.mk_bound ctx 2 (List.nth types 2)) ] in
let xs = [ (Integer.mk_const ctx (List.nth names 0));
(Integer.mk_const ctx (List.nth names 1));
(Integer.mk_const ctx (List.nth names 2)) ] in
let body_vars = (Boolean.mk_and ctx
[ (mk_eq ctx
(Arithmetic.mk_add ctx [ (List.nth vars 0) ; (Integer.mk_numeral_i ctx 1)])
(Integer.mk_numeral_i ctx 2)) ;
(mk_eq ctx
(Arithmetic.mk_add ctx [ (List.nth vars 1); (Integer.mk_numeral_i ctx 2)])
(Arithmetic.mk_add ctx [ (List.nth vars 2); (Integer.mk_numeral_i ctx 3)])) ]) in
let body_const = (Boolean.mk_and ctx
[ (mk_eq ctx
(Arithmetic.mk_add ctx [ (List.nth xs 0); (Integer.mk_numeral_i ctx 1)])
(Integer.mk_numeral_i ctx 2)) ;
(mk_eq ctx
(Arithmetic.mk_add ctx [ (List.nth xs 1); (Integer.mk_numeral_i ctx 2)])
(Arithmetic.mk_add ctx [ (List.nth xs 2); (Integer.mk_numeral_i ctx 3)])) ]) in
let x = (Quantifier.mk_forall ctx types names body_vars (Some 1) [] [] (Some (Symbol.mk_string ctx "Q1")) (Some (Symbol.mk_string ctx "skid1"))) in
Printf.printf "Quantifier X: %s\n" (Quantifier.to_string x) ;
let y = (Quantifier.mk_forall_const ctx xs body_const (Some 1) [] [] (Some (Symbol.mk_string ctx "Q2")) (Some (Symbol.mk_string ctx "skid2"))) in
Printf.printf "Quantifier Y: %s\n" (Quantifier.to_string y) ;
if (is_true (Quantifier.expr_of_quantifier x)) then
raise (TestFailedException "") (* unreachable *)
else if (is_false (Quantifier.expr_of_quantifier x)) then
raise (TestFailedException "") (* unreachable *)
else if (is_const (Quantifier.expr_of_quantifier x)) then
raise (TestFailedException "") (* unreachable *)
let _ =
try (
@ -217,6 +259,7 @@ let _ =
Printf.printf "int sort: %s\n" (Sort.to_string ints);
Printf.printf "real sort: %s\n" (Sort.to_string rs);
basic_tests ctx ;
quantifierExample1 ctx ;
Printf.printf "Disposing...\n";
Gc.full_major ()
);