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fixed more problems in the new param framework

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-12-03 15:02:34 -08:00
parent d634c945bf
commit 6d7d205e13
30 changed files with 185 additions and 168 deletions

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@ -342,7 +342,7 @@ protected:
tactic * mk_degree_shift_tactic(ast_manager & m, params_ref const & p) {
params_ref mul2power_p;
mul2power_p.set_bool(":mul-to-power", true);
mul2power_p.set_bool("mul_to_power", true);
return and_then(using_params(mk_simplify_tactic(m), mul2power_p),
clean(alloc(degree_shift_tactic, m)));
}

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@ -902,7 +902,7 @@ public:
tactic * mk_purify_arith_tactic(ast_manager & m, params_ref const & p) {
params_ref elim_rem_p = p;
elim_rem_p.set_bool("elim-rem", true);
elim_rem_p.set_bool("elim_rem", true);
params_ref skolemize_p;
skolemize_p.set_bool("skolemize", false);

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@ -1855,7 +1855,7 @@ tactic * mk_sls_tactic(ast_manager & m, params_ref const & p) {
tactic * mk_preamble(ast_manager & m, params_ref const & p) {
params_ref main_p;
main_p.set_bool("elim_and", true);
// main_p.set_bool("pull-cheap_ite", true);
// main_p.set_bool("pull_cheap_ite", true);
main_p.set_bool("push_ite_bv", true);
main_p.set_bool("blast_distinct", true);
// main_p.set_bool("udiv2mul", true);

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@ -27,11 +27,11 @@ Notes:
tactic * mk_nra_tactic(ast_manager & m, params_ref const& p) {
params_ref p1 = p;
p1.set_uint(":seed", 11);
p1.set_bool(":factor", false);
p1.set_uint("seed", 11);
p1.set_bool("factor", false);
params_ref p2 = p;
p2.set_uint(":seed", 13);
p2.set_bool(":factor", false);
p2.set_uint("seed", 13);
p2.set_bool("factor", false);
return and_then(mk_simplify_tactic(m, p),
mk_nnf_tactic(m, p),

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@ -29,22 +29,22 @@ Notes:
tactic * mk_qfaufbv_tactic(ast_manager & m, params_ref const & p) {
params_ref main_p;
main_p.set_bool(":elim-and", true);
main_p.set_bool(":sort-store", true);
main_p.set_bool("elim_and", true);
main_p.set_bool("sort_store", true);
params_ref simp2_p = p;
simp2_p.set_bool(":som", true);
simp2_p.set_bool(":pull-cheap-ite", true);
simp2_p.set_bool(":push-ite-bv", false);
simp2_p.set_bool(":local-ctx", true);
simp2_p.set_uint(":local-ctx-limit", 10000000);
simp2_p.set_bool("som", true);
simp2_p.set_bool("pull_cheap_ite", true);
simp2_p.set_bool("push_ite_bv", false);
simp2_p.set_bool("local_ctx", true);
simp2_p.set_uint("local_ctx_limit", 10000000);
params_ref ctx_simp_p;
ctx_simp_p.set_uint(":max-depth", 32);
ctx_simp_p.set_uint(":max-steps", 5000000);
ctx_simp_p.set_uint("max_depth", 32);
ctx_simp_p.set_uint("max_steps", 5000000);
params_ref solver_p;
solver_p.set_bool(":array-old-simplifier", false);
solver_p.set_bool("array.simplify", false); // disable array simplifications at old_simplify module
tactic * preamble_st = and_then(mk_simplify_tactic(m),
mk_propagate_values_tactic(m),

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@ -26,16 +26,16 @@ Notes:
tactic * mk_qfauflia_tactic(ast_manager & m, params_ref const & p) {
params_ref main_p;
main_p.set_bool(":elim-and", true);
main_p.set_bool(":som", true);
main_p.set_bool(":sort-store", true);
main_p.set_bool("elim_and", true);
main_p.set_bool("som", true);
main_p.set_bool("sort_store", true);
params_ref ctx_simp_p;
ctx_simp_p.set_uint(":max-depth", 30);
ctx_simp_p.set_uint(":max-steps", 5000000);
ctx_simp_p.set_uint("max_depth", 30);
ctx_simp_p.set_uint("max_steps", 5000000);
params_ref solver_p;
solver_p.set_bool(":array-old-simplifier", false);
solver_p.set_bool("array.simplify", false); // disable array simplifications at old_simplify module
tactic * preamble_st = and_then(mk_simplify_tactic(m),
mk_propagate_values_tactic(m),

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@ -33,40 +33,40 @@ Notes:
tactic * mk_qfbv_tactic(ast_manager & m, params_ref const & p) {
params_ref main_p;
main_p.set_bool(":elim-and", true);
main_p.set_bool(":push-ite-bv", true);
main_p.set_bool(":blast-distinct", true);
main_p.set_bool("elim_and", true);
main_p.set_bool("push_ite_bv", true);
main_p.set_bool("blast_distinct", true);
params_ref simp2_p = p;
simp2_p.set_bool(":som", true);
simp2_p.set_bool(":pull-cheap-ite", true);
simp2_p.set_bool(":push-ite-bv", false);
simp2_p.set_bool(":local-ctx", true);
simp2_p.set_uint(":local-ctx-limit", 10000000);
simp2_p.set_bool("som", true);
simp2_p.set_bool("pull_cheap_ite", true);
simp2_p.set_bool("push_ite_bv", false);
simp2_p.set_bool("local_ctx", true);
simp2_p.set_uint("local_ctx_limit", 10000000);
params_ref local_ctx_p = p;
local_ctx_p.set_bool(":local-ctx", true);
local_ctx_p.set_bool("local_ctx", true);
params_ref solver_p;
solver_p.set_bool(":preprocess", false); // preprocessor of smt::context is not needed.
solver_p.set_bool("preprocess", false); // preprocessor of smt::context is not needed.
params_ref no_flat_p;
no_flat_p.set_bool(":flat", false);
no_flat_p.set_bool("flat", false);
params_ref ctx_simp_p;
ctx_simp_p.set_uint(":max-depth", 32);
ctx_simp_p.set_uint(":max-steps", 50000000);
ctx_simp_p.set_uint("max_depth", 32);
ctx_simp_p.set_uint("max_steps", 50000000);
params_ref hoist_p;
hoist_p.set_bool(":hoist-mul", true);
hoist_p.set_bool(":som", false);
hoist_p.set_bool("hoist_mul", true);
hoist_p.set_bool("som", false);
params_ref solve_eq_p;
// conservative guassian elimination.
solve_eq_p.set_uint(":solve-eqs-max-occs", 2);
solve_eq_p.set_uint("solve_eqs_max_occs", 2);
params_ref big_aig_p;
big_aig_p.set_bool(":aig-per-assertion", false);
big_aig_p.set_bool("aig_per_assertion", false);
tactic * preamble_st = and_then(and_then(mk_simplify_tactic(m),
mk_propagate_values_tactic(m),
@ -74,7 +74,7 @@ tactic * mk_qfbv_tactic(ast_manager & m, params_ref const & p) {
mk_elim_uncnstr_tactic(m),
if_no_proofs(if_no_unsat_cores(mk_bv_size_reduction_tactic(m))),
using_params(mk_simplify_tactic(m), simp2_p)),
// Z3 can solve a couple of extra benchmarks by using :hoist-mul
// Z3 can solve a couple of extra benchmarks by using hoist_mul
// but the timeout in SMT-COMP is too small.
// Moreover, it impacted negatively some easy benchmarks.
// We should decide later, if we keep it or not.

View file

@ -37,23 +37,23 @@ Notes:
tactic * mk_qfidl_tactic(ast_manager & m, params_ref const & p) {
params_ref main_p;
main_p.set_bool(":elim-and", true);
main_p.set_bool(":blast-distinct", true);
main_p.set_bool(":som", true);
main_p.set_bool("elim_and", true);
main_p.set_bool("blast_distinct", true);
main_p.set_bool("som", true);
params_ref lhs_p;
lhs_p.set_bool(":arith-lhs", true);
lhs_p.set_bool("arith_lhs", true);
params_ref lia2pb_p;
lia2pb_p.set_uint(":lia2pb-max-bits", 4);
lia2pb_p.set_uint("lia2pb_max_bits", 4);
params_ref pb2bv_p;
pb2bv_p.set_uint(":pb2bv-all-clauses-limit", 8);
pb2bv_p.set_uint("pb2bv_all_clauses_limit", 8);
params_ref pull_ite_p;
pull_ite_p.set_bool(":pull-cheap-ite", true);
pull_ite_p.set_bool(":local-ctx", true);
pull_ite_p.set_uint(":local-ctx-limit", 10000000);
pull_ite_p.set_bool("pull_cheap_ite", true);
pull_ite_p.set_bool("local_ctx", true);
pull_ite_p.set_uint("local_ctx_limit", 10000000);
tactic * preamble_st = and_then(and_then(mk_simplify_tactic(m),
mk_fix_dl_var_tactic(m),
@ -71,10 +71,10 @@ tactic * mk_qfidl_tactic(ast_manager & m, params_ref const & p) {
params_ref bv_solver_p;
// The cardinality constraint encoding generates a lot of shared if-then-else's that can be flattened.
// Several of them are simplified to and/or. If we flat them, we increase a lot the memory consumption.
bv_solver_p.set_bool(":flat", false);
bv_solver_p.set_bool(":som", false);
bv_solver_p.set_bool("flat", false);
bv_solver_p.set_bool("som", false);
// dynamic psm seems to work well.
bv_solver_p.set_sym(":gc-strategy", symbol("dyn-psm"));
bv_solver_p.set_sym("gc", symbol("dyn_psm"));
tactic * bv_solver = using_params(and_then(mk_simplify_tactic(m),
mk_propagate_values_tactic(m),
@ -93,7 +93,7 @@ tactic * mk_qfidl_tactic(ast_manager & m, params_ref const & p) {
bv_solver);
params_ref diff_neq_p;
diff_neq_p.set_uint(":diff-neq-max-k", 25);
diff_neq_p.set_uint("diff_neq_max_k", 25);
tactic * st = cond(mk_and(mk_lt(mk_num_consts_probe(), mk_const_probe(static_cast<double>(BIG_PROBLEM))),
mk_and(mk_not(mk_produce_proofs_probe()),

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@ -64,17 +64,17 @@ probe * mk_quasi_pb_probe() {
// Create SMT solver that does not use cuts
static tactic * mk_no_cut_smt_tactic(unsigned rs) {
params_ref solver_p;
solver_p.set_uint(":arith-branch-cut-ratio", 10000000);
solver_p.set_uint(":random-seed", rs);
solver_p.set_uint("arith.branch_cut_ratio", 10000000);
solver_p.set_uint("random_seed", rs);
return using_params(mk_smt_tactic_using(false), solver_p);
}
// Create SMT solver that does not use cuts
static tactic * mk_no_cut_no_relevancy_smt_tactic(unsigned rs) {
params_ref solver_p;
solver_p.set_uint(":arith-branch-cut-ratio", 10000000);
solver_p.set_uint(":random-seed", rs);
solver_p.set_uint(":relevancy", 0);
solver_p.set_uint("arith.branch_cut_ratio", 10000000);
solver_p.set_uint("random_seed", rs);
solver_p.set_uint("relevancy", 0);
return using_params(mk_smt_tactic_using(false), solver_p);
}
@ -82,10 +82,10 @@ static tactic * mk_bv2sat_tactic(ast_manager & m) {
params_ref solver_p;
// The cardinality constraint encoding generates a lot of shared if-then-else's that can be flattened.
// Several of them are simplified to and/or. If we flat them, we increase a lot the memory consumption.
solver_p.set_bool(":flat", false);
solver_p.set_bool(":som", false);
solver_p.set_bool("flat", false);
solver_p.set_bool("som", false);
// dynamic psm seems to work well.
solver_p.set_sym(":gc-strategy", symbol("dyn-psm"));
solver_p.set_sym("gc", symbol("dyn_psm"));
return using_params(and_then(mk_simplify_tactic(m),
mk_propagate_values_tactic(m),
@ -101,8 +101,8 @@ static tactic * mk_bv2sat_tactic(ast_manager & m) {
static tactic * mk_pb_tactic(ast_manager & m) {
params_ref pb2bv_p;
pb2bv_p.set_bool(":ite-extra", true);
pb2bv_p.set_uint(":pb2bv-all-clauses-limit", 8);
pb2bv_p.set_bool("ite_extra", true);
pb2bv_p.set_uint("pb2bv_all_clauses_limit", 8);
return and_then(fail_if_not(mk_is_pb_probe()),
fail_if(mk_produce_proofs_probe()),
@ -119,8 +119,8 @@ static tactic * mk_pb_tactic(ast_manager & m) {
static tactic * mk_lia2sat_tactic(ast_manager & m) {
params_ref pb2bv_p;
pb2bv_p.set_bool(":ite-extra", true);
pb2bv_p.set_uint(":pb2bv-all-clauses-limit", 8);
pb2bv_p.set_bool("ite_extra", true);
pb2bv_p.set_uint("pb2bv_all_clauses_limit", 8);
return and_then(fail_if(mk_is_unbounded_probe()),
fail_if(mk_produce_proofs_probe()),
@ -137,11 +137,11 @@ static tactic * mk_lia2sat_tactic(ast_manager & m) {
// Fails if the problem is no ILP.
static tactic * mk_ilp_model_finder_tactic(ast_manager & m) {
params_ref add_bounds_p1;
add_bounds_p1.set_rat(":add-bound-lower", rational(-16));
add_bounds_p1.set_rat(":add-bound-upper", rational(15));
add_bounds_p1.set_rat("add_bound_lower", rational(-16));
add_bounds_p1.set_rat("add_bound_upper", rational(15));
params_ref add_bounds_p2;
add_bounds_p2.set_rat(":add-bound-lower", rational(-32));
add_bounds_p2.set_rat(":add-bound-upper", rational(31));
add_bounds_p2.set_rat("add_bound_lower", rational(-32));
add_bounds_p2.set_rat("add_bound_upper", rational(31));
return and_then(fail_if_not(mk_and(mk_is_ilp_probe(), mk_is_unbounded_probe())),
fail_if(mk_produce_proofs_probe()),
@ -170,22 +170,22 @@ static tactic * mk_bounded_tactic(ast_manager & m) {
tactic * mk_qflia_tactic(ast_manager & m, params_ref const & p) {
params_ref main_p;
main_p.set_bool(":elim-and", true);
main_p.set_bool(":som", true);
// main_p.set_bool(":push-ite-arith", true);
main_p.set_bool("elim_and", true);
main_p.set_bool("som", true);
// main_p.set_bool("push_ite_arith", true);
params_ref pull_ite_p;
pull_ite_p.set_bool(":pull-cheap-ite", true);
pull_ite_p.set_bool(":push-ite-arith", false);
pull_ite_p.set_bool(":local-ctx", true);
pull_ite_p.set_uint(":local-ctx-limit", 10000000);
pull_ite_p.set_bool("pull_cheap_ite", true);
pull_ite_p.set_bool("push_ite_arith", false);
pull_ite_p.set_bool("local_ctx", true);
pull_ite_p.set_uint("local_ctx_limit", 10000000);
params_ref ctx_simp_p;
ctx_simp_p.set_uint(":max-depth", 30);
ctx_simp_p.set_uint(":max-steps", 5000000);
ctx_simp_p.set_uint("max_depth", 30);
ctx_simp_p.set_uint("max_steps", 5000000);
params_ref lhs_p;
lhs_p.set_bool(":arith-lhs", true);
lhs_p.set_bool("arith_lhs", true);
tactic * preamble_st = and_then(and_then(mk_simplify_tactic(m),
mk_propagate_values_tactic(m),
@ -197,10 +197,10 @@ tactic * mk_qflia_tactic(ast_manager & m, params_ref const & p) {
);
params_ref quasi_pb_p;
quasi_pb_p.set_uint(":lia2pb-max-bits", 64);
quasi_pb_p.set_uint("lia2pb_max_bits", 64);
params_ref no_cut_p;
no_cut_p.set_uint(":arith-branch-cut-ratio", 10000000);
no_cut_p.set_uint("arith.branch_cut_ratio", 10000000);
tactic * st = using_params(and_then(preamble_st,

View file

@ -29,23 +29,23 @@ Notes:
tactic * mk_qflra_tactic(ast_manager & m, params_ref const & p) {
params_ref pivot_p;
pivot_p.set_bool(":arith-greatest-error-pivot", true);
pivot_p.set_bool("arith.greatest_error_pivot", true);
params_ref main_p = p;
main_p.set_bool(":elim-and", true);
main_p.set_bool(":som", true);
main_p.set_bool(":blast-distinct", true);
main_p.set_bool("elim_and", true);
main_p.set_bool("som", true);
main_p.set_bool("blast_distinct", true);
params_ref ctx_simp_p;
ctx_simp_p.set_uint(":max-depth", 30);
ctx_simp_p.set_uint(":max-steps", 5000000);
ctx_simp_p.set_uint("max_depth", 30);
ctx_simp_p.set_uint("max_steps", 5000000);
params_ref lhs_p;
lhs_p.set_bool(":arith-lhs", true);
lhs_p.set_bool(":eq2ineq", true);
lhs_p.set_bool("arith_lhs", true);
lhs_p.set_bool("eq2ineq", true);
params_ref elim_to_real_p;
elim_to_real_p.set_bool(":elim-to-real", true);
elim_to_real_p.set_bool("elim_to_real", true);
#if 0

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@ -31,14 +31,14 @@ Notes:
tactic * mk_qfnia_bv_solver(ast_manager & m, params_ref const & p_ref) {
params_ref p = p_ref;
p.set_bool(":flat", false);
p.set_bool(":hi-div0", true);
p.set_bool(":elim-and", true);
p.set_bool(":blast-distinct", true);
p.set_bool("flat", false);
p.set_bool("hi_div0", true);
p.set_bool("elim_and", true);
p.set_bool("blast_distinct", true);
params_ref simp2_p = p;
simp2_p.set_bool(":local-ctx", true);
simp2_p.set_uint(":local-ctx-limit", 10000000);
simp2_p.set_bool("local_ctx", true);
simp2_p.set_uint("local_ctx_limit", 10000000);
tactic * r = using_params(and_then(mk_simplify_tactic(m),
@ -53,19 +53,19 @@ tactic * mk_qfnia_bv_solver(ast_manager & m, params_ref const & p_ref) {
tactic * mk_qfnia_premable(ast_manager & m, params_ref const & p_ref) {
params_ref pull_ite_p = p_ref;
pull_ite_p.set_bool(":pull-cheap-ite", true);
pull_ite_p.set_bool(":local-ctx", true);
pull_ite_p.set_uint(":local-ctx-limit", 10000000);
pull_ite_p.set_bool("pull_cheap_ite", true);
pull_ite_p.set_bool("local_ctx", true);
pull_ite_p.set_uint("local_ctx_limit", 10000000);
params_ref ctx_simp_p = p_ref;
ctx_simp_p.set_uint(":max-depth", 30);
ctx_simp_p.set_uint(":max-steps", 5000000);
ctx_simp_p.set_uint("max_depth", 30);
ctx_simp_p.set_uint("max_steps", 5000000);
params_ref simp_p = p_ref;
simp_p.set_bool(":hoist-mul", true);
simp_p.set_bool("hoist_mul", true);
params_ref elim_p = p_ref;
elim_p.set_uint(":max-memory",20);
elim_p.set_uint("max_memory",20);
return
and_then(mk_simplify_tactic(m),
@ -79,7 +79,7 @@ tactic * mk_qfnia_premable(ast_manager & m, params_ref const & p_ref) {
tactic * mk_qfnia_sat_solver(ast_manager & m, params_ref const & p) {
params_ref nia2sat_p = p;
nia2sat_p.set_uint(":nla2bv-max-bv-size", 64);
nia2sat_p.set_uint("nla2bv_max_bv_size", 64);
return and_then(mk_nla2bv_tactic(m, nia2sat_p),
mk_qfnia_bv_solver(m, p),

View file

@ -25,7 +25,7 @@ Notes:
static tactic * mk_qfnra_sat_solver(ast_manager& m, params_ref const& p, unsigned bv_size) {
params_ref nra2sat_p = p;
nra2sat_p.set_uint(":nla2bv-max-bv-size", p.get_uint("nla2bv_max_bv_size", bv_size));
nra2sat_p.set_uint("nla2bv_max_bv_size", p.get_uint("nla2bv_max_bv_size", bv_size));
return and_then(mk_nla2bv_tactic(m, nra2sat_p),
mk_smt_tactic(),
@ -34,11 +34,11 @@ static tactic * mk_qfnra_sat_solver(ast_manager& m, params_ref const& p, unsigne
tactic * mk_qfnra_tactic(ast_manager & m, params_ref const& p) {
params_ref p1 = p;
p1.set_uint(":seed", 11);
p1.set_bool(":factor", false);
p1.set_uint("seed", 11);
p1.set_bool("factor", false);
params_ref p2 = p;
p2.set_uint(":seed", 13);
p2.set_bool(":factor", false);
p2.set_uint("seed", 13);
p2.set_bool("factor", false);
return and_then(mk_simplify_tactic(m, p),
mk_propagate_values_tactic(m, p),

View file

@ -26,9 +26,9 @@ Notes:
tactic * mk_qfuf_tactic(ast_manager & m, params_ref const & p) {
params_ref s2_p;
s2_p.set_bool(":pull-cheap-ite", true);
s2_p.set_bool(":local-ctx", true);
s2_p.set_uint(":local-ctx-limit", 10000000);
s2_p.set_bool("pull_cheap_ite", true);
s2_p.set_bool("local_ctx", true);
s2_p.set_uint("local_ctx_limit", 10000000);
return and_then(mk_simplify_tactic(m, p),
mk_propagate_values_tactic(m, p),
mk_solve_eqs_tactic(m, p),

View file

@ -28,8 +28,8 @@ Notes:
tactic * mk_qfufbv_tactic(ast_manager & m, params_ref const & p) {
params_ref main_p;
main_p.set_bool(":elim-and", true);
main_p.set_bool(":blast-distinct", true);
main_p.set_bool("elim_and", true);
main_p.set_bool("blast_distinct", true);
tactic * preamble_st = and_then(mk_simplify_tactic(m),
mk_propagate_values_tactic(m),

View file

@ -27,13 +27,13 @@ Revision History:
static tactic * mk_quant_preprocessor(ast_manager & m, bool disable_gaussian = false) {
params_ref pull_ite_p;
pull_ite_p.set_bool(":pull-cheap-ite", true);
pull_ite_p.set_bool(":local-ctx", true);
pull_ite_p.set_uint(":local-ctx-limit", 10000000);
pull_ite_p.set_bool("pull_cheap_ite", true);
pull_ite_p.set_bool("local_ctx", true);
pull_ite_p.set_uint("local_ctx_limit", 10000000);
params_ref ctx_simp_p;
ctx_simp_p.set_uint(":max-depth", 30);
ctx_simp_p.set_uint(":max-steps", 5000000);
ctx_simp_p.set_uint("max_depth", 30);
ctx_simp_p.set_uint("max_steps", 5000000);
tactic * solve_eqs;
if (disable_gaussian)
@ -71,8 +71,8 @@ tactic * mk_uflra_tactic(ast_manager & m, params_ref const & p) {
tactic * mk_auflia_tactic(ast_manager & m, params_ref const & p) {
params_ref qi_p;
qi_p.set_str(":qi-cost", "0");
TRACE("qi_cost", qi_p.display(tout); tout << "\n" << qi_p.get_str("qi_cost", "<null>") << "\n";);
qi_p.set_str("qi.cost", "0");
TRACE("qi_cost", qi_p.display(tout); tout << "\n" << qi_p.get_str("qi.cost", "<null>") << "\n";);
tactic * st = and_then(mk_no_solve_eq_preprocessor(m),
or_else(and_then(fail_if(mk_gt(mk_num_exprs_probe(), mk_const_probe(static_cast<double>(128)))),
using_params(mk_smt_tactic(), qi_p),

View file

@ -37,7 +37,7 @@ tactic * mk_der_fp_tactic(ast_manager & m, params_ref const & p) {
tactic * mk_ufbv_preprocessor_tactic(ast_manager & m, params_ref const & p) {
params_ref no_elim_and(p);
no_elim_and.set_bool(":elim-and", false);
no_elim_and.set_bool("elim_and", false);
return and_then(
mk_trace_tactic("ufbv_pre"),
@ -61,10 +61,10 @@ tactic * mk_ufbv_preprocessor_tactic(ast_manager & m, params_ref const & p) {
tactic * mk_ufbv_tactic(ast_manager & m, params_ref const & p) {
params_ref main_p(p);
main_p.set_bool(":mbqi", true);
main_p.set_uint(":mbqi-max-iterations", -1);
main_p.set_bool(":elim-and", true);
main_p.set_bool(":solver", true);
main_p.set_bool("mbqi", true);
main_p.set_uint("mbqi_max_iterations", -1);
main_p.set_bool("elim_and", true);
main_p.set_bool("solver", true);
tactic * t = and_then(repeat(mk_ufbv_preprocessor_tactic(m, main_p), 2),
mk_smt_tactic_using(false, main_p));