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including all touched tautology literals each round

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-04-08 15:46:21 -07:00
parent a954ab7d8d
commit f2dfc0dc24
4 changed files with 26 additions and 24 deletions
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2
src/tactic/portfolio/CMakeLists.txt
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@ -18,6 +18,8 @@ z3_add_component(portfolio
smtlogic_tactics
subpaving_tactic
ufbv_tactic
PYG_FILES
parallel_params.pyg
TACTIC_HEADERS
default_tactic.h
fd_solver.h

16
src/tactic/portfolio/parallel_tactic.cpp
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@ -159,8 +159,6 @@ class parallel_tactic : public tactic {
ref<solver> m_solver; // solver state
unsigned m_depth; // number of nested calls to cubing
double m_width; // estimate of fraction of problem handled by state
unsigned m_cube_cutoff; // saved configuration value
double m_cube_fraction; // saved configuration value
unsigned m_restart_max; // saved configuration value
expr_ref_vector cube_literals(expr* cube) {
@ -185,8 +183,6 @@ class parallel_tactic : public tactic {
m_depth(0),
m_width(1.0)
{
m_cube_cutoff = p.get_uint("sat.lookahead.cube.cutoff", 8);
m_cube_fraction = p.get_double("sat.lookahead.cube.fraction", 0.4);
m_restart_max = p.get_uint("sat.restart.max", 10);
}
@ -280,17 +276,7 @@ class parallel_tactic : public tactic {
}
void set_cube_params() {
unsigned cutoff = m_cube_cutoff;
double fraction = m_cube_fraction;
if (true || (m_depth == 1 && cutoff > 0)) {
m_params.set_sym("lookahead.cube.cutoff", symbol("depth"));
m_params.set_uint("lookahead.cube.depth", std::max(m_depth, 10u));
}
else {
m_params.set_sym("lookahead.cube.cutoff", symbol("adaptive_psat"));
m_params.set_double("lookahead.cube.fraction", fraction);
}
get_solver().updt_params(m_params);
// get_solver().updt_params(m_params);
}
void set_conquer_params() {