mirror of
https://github.com/Z3Prover/z3
synced 2025-04-07 18:05:21 +00:00
parent
1b83a4556b
commit
32614722ef
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@ -377,8 +377,8 @@ public:
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};
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class get_interpolant_cmd : public cmd {
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expr* m_a;
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expr* m_b;
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scoped_ptr<expr_ref> m_a;
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scoped_ptr<expr_ref> m_b;
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public:
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get_interpolant_cmd():cmd("get-interpolant") {}
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char const * get_usage() const override { return "<expr> <expr>"; }
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@ -388,17 +388,24 @@ public:
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return CPK_EXPR;
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}
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void set_next_arg(cmd_context& ctx, expr * arg) override {
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if (m_a == nullptr)
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m_a = arg;
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ast_manager& m = ctx.m();
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if (!m.is_bool(arg))
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throw default_exception("argument to interpolation is not Boolean");
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if (!m_a)
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m_a = alloc(expr_ref, arg, m);
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else
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m_b = arg;
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m_b = alloc(expr_ref, arg, m);
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}
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void prepare(cmd_context & ctx) override { m_a = nullptr; m_b = nullptr; }
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void execute(cmd_context & ctx) override {
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ast_manager& m = ctx.m();
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qe::interpolator mbi(m);
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if (!m_a || !m_b)
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throw default_exception("interpolation requires two arguments");
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if (!m.is_bool(*m_a) || !m.is_bool(*m_b))
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throw default_exception("interpolation requires two Boolean arguments");
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expr_ref itp(m);
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mbi.pogo(ctx.get_solver_factory(), m_a, m_b, itp);
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mbi.pogo(ctx.get_solver_factory(), *m_a, *m_b, itp);
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ctx.regular_stream() << itp << "\n";
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}
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};
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@ -536,6 +536,7 @@ namespace qe {
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th_rewriter rewrite(m);
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rewrite(a);
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rewrite(b);
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TRACE("interpolator", tout << a << " " << b << "\n");
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solver_ref sA = sf(m, p, false /* no proofs */, true, true, symbol::null);
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solver_ref sB = sf(m, p, false /* no proofs */, true, true, symbol::null);
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solver_ref sNotA = sf(m, p, false /* no proofs */, true, true, symbol::null);
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@ -154,6 +154,7 @@ void asserted_formulas::assert_expr(expr * e, proof * _in_pr) {
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force_push();
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proof_ref in_pr(_in_pr, m), pr(_in_pr, m);
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expr_ref r(e, m);
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SASSERT(m.is_bool(e));
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if (inconsistent())
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return;
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