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update arithmetic contract for unbounded (#5696)

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2021-12-06 08:19:18 -08:00 • committed by GitHub
parent 9b4f3a7075
commit fdc253afdd
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2 changed files with 4 additions and 2 deletions
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4
src/sat/smt/arith_solver.cpp
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@ -986,7 +986,7 @@ namespace arith {
IF_VERBOSE(12, verbose_stream() << "final-check " << lp().get_status() << "\n");
SASSERT(lp().ax_is_correct());
if (lp().get_status() != lp::lp_status::OPTIMAL || lp().has_changed_columns()) {
if (!lp().is_feasible() || lp().has_changed_columns()) {
switch (make_feasible()) {
case l_false:
get_infeasibility_explanation_and_set_conflict();
@ -1097,6 +1097,8 @@ namespace arith {
return l_false;
case lp::lp_status::FEASIBLE:
case lp::lp_status::OPTIMAL:
case lp::lp_status::UNBOUNDED:
SASSERT(!lp().has_changed_columns());
return l_true;
case lp::lp_status::TIME_EXHAUSTED:
default: