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Merge branch 'unstable' of https://github.com/Z3Prover/z3 into unstable

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This commit is contained in:
Nikolaj Bjorner 2015-07-14 13:18:16 -07:00
commit d7b3aaffbd
11 changed files with 79 additions and 82 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";);

6
src/smt/theory_arith_aux.h
View file

@ -1479,9 +1479,9 @@ namespace smt {
SASSERT(max_gain.is_minus_one() || !max_gain.is_neg());
SASSERT(min_gain.is_minus_one() || !min_gain.is_neg());
SASSERT(!is_int(x_i) || min_gain.is_pos());
SASSERT(!is_int(x_i) || min_gain.is_int());
SASSERT(!is_int(x_i) || max_gain.is_int());
//SASSERT(!is_int(x_i) || min_gain.is_pos());
//SASSERT(!is_int(x_i) || min_gain.is_int());
//SASSERT(!is_int(x_i) || max_gain.is_int());
return is_tighter;
}

4
src/smt/theory_arith_core.h
View file

@ -3065,6 +3065,10 @@ namespace smt {
SASSERT(v != null_theory_var);
inf_numeral const & val = get_value(v);
rational num = val.get_rational().to_rational() + m_epsilon.to_rational() * val.get_infinitesimal().to_rational();
if (is_int(v) && !num.is_int()) {
TRACE("arith", tout << "Truncating non-integer value. This is possible for non-linear constraints v" << v << " " << num << "\n";);
num = floor(num);
}
return alloc(expr_wrapper_proc, m_factory->mk_value(num, is_int(v)));
}