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ensure parallel mode works under push/pop

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-02-04 19:22:28 -08:00
parent 69ca840ceb
commit 3da3b41786
4 changed files with 16 additions and 8 deletions
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8
src/smt/smt_parallel.cpp
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@ -33,9 +33,9 @@ namespace smt {
unsigned thread_max_conflicts = ctx.get_fparams().m_threads_max_conflicts;
unsigned max_conflicts = ctx.get_fparams().m_max_conflicts;
#if 0
// TBD: try first sequential with a low conflict budget to make super easy problems cheap
ctx.get_fparams().m_max_conflicts = std::min(thread_max_conflicts, 20);
#if 1
// try first sequential with a low conflict budget to make super easy problems cheap
ctx.get_fparams().m_max_conflicts = std::min(thread_max_conflicts, 40u);
result = ctx.check(asms.size(), asms.c_ptr());
if (result != l_undef || ctx.m_num_conflicts < max_conflicts) {
return result;
@ -65,7 +65,7 @@ namespace smt {
pms.push_back(new_m);
pctxs.push_back(alloc(context, *new_m, ctx.get_fparams(), ctx.get_params()));
context& new_ctx = *pctxs.back();
context::copy(ctx, new_ctx);
context::copy(ctx, new_ctx, true);
new_ctx.set_random_seed(i + ctx.get_fparams().m_random_seed);
ast_translation tr(*new_m, m);
pasms.push_back(tr(asms));