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46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
/*++
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Copyright (c) 2012 Microsoft Corporation
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Module Name:
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cmd_context_to_goal.cpp
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Abstract:
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Procedure for copying the assertions in the
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command context to a goal object.
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Author:
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Leonardo (leonardo) 2012-10-21
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Notes:
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--*/
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#include "cmd_context/cmd_context.h"
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#include "tactic/goal.h"
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/**
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\brief Assert expressions from ctx into t.
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*/
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void assert_exprs_from(cmd_context const & ctx, goal & t) {
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if (ctx.produce_proofs() && ctx.produce_unsat_cores())
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throw cmd_exception("Frontend does not support simultaneous generation of proofs and unsat cores");
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if (ctx.produce_unsat_cores() && ctx.assertions().size() != ctx.assertion_names().size())
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throw cmd_exception("Unsat core tracking must be set before assertions are added");
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ast_manager & m = t.m();
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bool proofs_enabled = t.proofs_enabled();
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if (ctx.produce_unsat_cores()) {
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ptr_vector<expr>::const_iterator it = ctx.assertions().begin();
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ptr_vector<expr>::const_iterator end = ctx.assertions().end();
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ptr_vector<expr>::const_iterator it2 = ctx.assertion_names().begin();
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for (; it != end; ++it, ++it2) {
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t.assert_expr(*it, proofs_enabled ? m.mk_asserted(*it) : nullptr, m.mk_leaf(*it2));
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}
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}
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else {
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for (expr * e : ctx.assertions()) {
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t.assert_expr(e, proofs_enabled ? m.mk_asserted(e) : nullptr, nullptr);
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}
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SASSERT(ctx.assertion_names().empty());
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}
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}
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