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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2023-12-31 17:09:49 -08:00
parent 30b5b3bd15
commit 09b3d99db1
2 changed files with 6 additions and 16 deletions
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18
src/sat/smt/polysat/op_constraint.cpp
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@ -9,14 +9,6 @@ Author:
Jakob Rath, Nikolaj Bjorner (nbjorner) 2021-12-09
Notes:
Additional possible functionality on constraints:
- bit-wise assignments - narrow based on bit assignment, not entire word assignment.
- integration with congruence tables
- integration with conflict resolution
--*/
#include "util/log.h"
@ -428,12 +420,10 @@ namespace polysat {
unsigned k = qv.val().get_unsigned();
// q = k -> r[i+k] = p[i] for 0 <= i < N - k
for (unsigned i = 0; i < N - k; ++i) {
if (rv.val().get_bit(i + k) && !pv.val().get_bit(i)) {
c.add_axiom("q = k -> p>>q[i+k] = p[i] for 0 <= i < N - k", { ~C.eq(q, k), ~C.bit(r, i + k), C.bit(p, i) }, true);
}
if (!rv.val().get_bit(i + k) && pv.val().get_bit(i)) {
c.add_axiom("q = k -> p>>q[i+k] = p[i] for 0 <= i < N - k", { ~C.eq(q, k), C.bit(r, i + k), ~C.bit(p, i) }, true);
}
if (rv.val().get_bit(i + k) && !pv.val().get_bit(i))
c.add_axiom("q = k -> p>>q[i+k] = p[i] for 0 <= i < N - k", { ~C.eq(q, k), ~C.bit(r, i + k), C.bit(p, i) }, true);
else if (!rv.val().get_bit(i + k) && pv.val().get_bit(i))
c.add_axiom("q = k -> p>>q[i+k] = p[i] for 0 <= i < N - k", { ~C.eq(q, k), C.bit(r, i + k), ~C.bit(p, i) }, true);
}
}
else {