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fixup model construction on undef results for arithmetic. Fixes issue #161

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-07-13 12:44:07 -07:00
parent e13bf2424e
commit 96c8b1e7ff
4 changed files with 9 additions and 4 deletions
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2
src/smt/tactic/ctx_solver_simplify_tactic.cpp
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@ -125,7 +125,7 @@ protected:
m_solver.assert_expr(fml1);
lbool is_sat = m_solver.check();
TRACE("ctx_solver_simplify_tactic", tout << "is non-equivalence sat?: " << is_sat << "\n";);
if (is_sat != l_false) {
if (is_sat == l_true) {
TRACE("ctx_solver_simplify_tactic",
tout << "result is not equivalent to input\n";
tout << mk_pp(fml1, m) << "\n";);