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some test cases for problem reported in stackoverflow

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2012-10-25 11:01:43 -07:00
parent 9c057b87d1
commit 880968106b
2 changed files with 34 additions and 1 deletions
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14
src/test/quant_elim.cpp
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@ -60,6 +60,7 @@ static void test_formula(lbool expected_outcome, char const* fml) {
std::ostringstream buffer;
buffer << "(benchmark presburger :status unknown :logic AUFLIA :extrapreds ((p1) (p2) (p3)) "
<< ":extrafuns ((a Int) (b Int))\n"
<< ":extrapreds ((p) (q) (r))\n"
<< ":datatypes ((list (nil) (cons (hd Int) (tl list))))\n"
<< ":datatypes ((cell (cnil) (ccons (car cell) (cdr cell))))\n"
<< ":extrasorts (U)\n"
@ -76,6 +77,17 @@ static void test_formula(lbool expected_outcome, char const* fml) {
void tst_quant_elim() {
test_formula(l_undef, "(exists ((p1 Bool) (q1 Bool) (r1 Bool))\
(and (or (not p1) (not q1) r1)\
(or (and (not p) (not q) (not p1) q1)\
(and (not p) q p1 (not q1))\
(and p (not q) p1 q1)\
(and p q p1 q1))\
(or (and (not r) (not r1))\
(and (= p p1) (= q q1) r r1)\
(and (not (and (= p p1) (= q q1))) (not (= r r1))))))");
test_formula(l_false,"(forall (x Int) (y Int) (or (= x 0) (< (* 5 y) (* 6 x)) (> (* 5 y) (* 6 x))))");
test_formula(l_false, "(forall (a Int) (b Int) (exists (x Int) (and (< a (* 20 x)) (< (* 20 x) b))))");
@ -99,6 +111,8 @@ void tst_quant_elim() {
test_formula(l_undef, "(exists (a Bool) (b Bool) (or (and p1 a) (and p2 (not b))))");
test_formula(l_false,
"(forall (x Int) (q1 Int) (q2 Int) (r1 Int) (r2 Int) "
" (implies "