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adding roundingSat strategy

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-08-31 20:25:49 -05:00
parent 7230461671
commit 43807a7edc
3 changed files with 401 additions and 132 deletions
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9
src/smt/theory_jobscheduler.cpp
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@ -701,7 +701,8 @@ namespace smt {
ctx.mk_th_axiom(get_id(), 1, &lit);
time_t start_lb = std::numeric_limits<time_t>::max();
time_t end_ub = 0;
time_t runtime_lb = std::numeric_limits<time_t>::max();
time_t end_ub = 0, runtime_ub = 0;
for (job_resource const& jr : ji.m_resources) {
unsigned r = jr.m_resource_id;
res_info const& ri = m_resources[r];
@ -714,6 +715,9 @@ namespace smt {
if (last_available(jr, ri, idx)) {
end_ub = std::max(end_ub, ri.m_available[idx].m_end);
}
runtime_lb = std::min(runtime_lb, jr.m_capacity);
// TBD: more accurate estimates for runtime_lb based on gaps
// TBD: correct estimate of runtime_ub taking gaps into account.
}
// start(j) >= start_lb
@ -723,6 +727,9 @@ namespace smt {
// end(j) <= end_ub
lit = mk_le(ji.m_end, end_ub);
ctx.mk_th_axiom(get_id(), 1, &lit);
// start(j) + runtime_lb <= end(j)
// end(j) <= start(j) + runtime_ub
}
TRACE("csp", tout << "add-done end\n";);