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https://github.com/Z3Prover/z3
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@ -827,6 +827,15 @@ bool bv_recognizers::is_extract(expr const* e, unsigned& low, unsigned& high, ex
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return true;
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}
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bool bv_recognizers::is_repeat(expr const * e, expr*& arg, unsigned& n) const {
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if (!is_app_of(e, get_fid(), OP_REPEAT))
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return false;
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arg = to_app(e)->get_arg(0);
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n = to_app(e)->get_parameter(0).get_int();
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return true;
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}
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bool bv_recognizers::is_bv2int(expr const* e, expr*& r) const {
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if (!is_bv2int(e)) return false;
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r = to_app(e)->get_arg(0);
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@ -310,6 +310,7 @@ public:
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unsigned get_extract_high(expr const * n) const { SASSERT(is_extract(n)); return get_extract_high(to_app(n)->get_decl()); }
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unsigned get_extract_low(expr const * n) const { SASSERT(is_extract(n)); return get_extract_low(to_app(n)->get_decl()); }
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bool is_extract(expr const * e, unsigned & low, unsigned & high, expr * & b) const;
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bool is_repeat(expr const * e, expr*& arg, unsigned& n) const;
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bool is_bv2int(expr const * e, expr * & r) const;
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bool is_bv_add(expr const * e) const { return is_app_of(e, get_fid(), OP_BADD); }
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bool is_bv_sub(expr const * e) const { return is_app_of(e, get_fid(), OP_BSUB); }
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@ -213,6 +213,7 @@ namespace bv {
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case OP_BSUB: internalize_sub(a); break;
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case OP_CONCAT: internalize_concat(a); break;
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case OP_EXTRACT: internalize_extract(a); break;
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case OP_REPEAT: internalize_repeat(a); break;
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case OP_MKBV: internalize_mkbv(a); break;
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case OP_INT2BV: internalize_int2bv(a); break;
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case OP_BV2INT: internalize_bv2int(a); break;
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@ -641,6 +642,18 @@ namespace bv {
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find_wpos(v);
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}
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void solver::internalize_repeat(app* e) {
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unsigned n = 0;
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expr* arg = nullptr;
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VERIFY(bv.is_repeat(e, arg, n));
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expr_ref_vector conc(m);
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for (unsigned i = 0; i < n; ++i)
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conc.push_back(arg);
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expr_ref r(bv.mk_concat(conc), m);
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mk_bits(get_th_var(e));
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add_unit(eq_internalize(e, r));
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}
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void solver::internalize_bit2bool(app* n) {
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unsigned idx = 0;
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expr* arg = nullptr;
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@ -249,6 +249,7 @@ namespace bv {
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void internalize_carry(app* n);
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void internalize_sub(app* n);
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void internalize_extract(app* n);
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void internalize_repeat(app* n);
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void internalize_bit2bool(app* n);
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void internalize_udiv_i(app* n);
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template<bool Signed, bool Reverse, bool Negated>
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