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fix #6355

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conversion from AIG to expressions should always use the optimized conversion function.

the aig-tactic should throttle regarding output bloat from AIG.
If the expression after AIG simpification, for whatever reason, is bloated the rewrite does not take place.
This commit is contained in:
Nikolaj Bjorner 2022-09-22 17:05:00 -05:00
parent b0d0c36b11
commit c24d445886
3 changed files with 53 additions and 55 deletions
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8
src/tactic/smtlogics/qfbv_tactic.cpp
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@ -90,9 +90,6 @@ static tactic * mk_qfbv_tactic(ast_manager& m, params_ref const & p, tactic* sat
params_ref solver_p;
solver_p.set_bool("preprocess", false); // preprocessor of smt::context is not needed.
params_ref big_aig_p;
big_aig_p.set_bool("aig_per_assertion", false);
tactic* preamble_st = mk_qfbv_preamble(m, p);
tactic * st = main_p(and_then(preamble_st,
// If the user sets HI_DIV0=false, then the formula may contain uninterpreted function
@ -107,10 +104,7 @@ static tactic * mk_qfbv_tactic(ast_manager& m, params_ref const & p, tactic* sat
and_then(using_params(and_then(mk_simplify_tactic(m),
mk_solve_eqs_tactic(m)),
local_ctx_p),
if_no_proofs(cond(mk_produce_unsat_cores_probe(),
mk_aig_tactic(),
using_params(mk_aig_tactic(),
big_aig_p))))),
if_no_proofs(mk_aig_tactic()))),
sat),
smt))));