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optimize model pruning

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2012-10-14 11:17:05 -07:00
parent 990b93c2fd
commit f27c9b9d3d
2 changed files with 2 additions and 2 deletions
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2
lib/pdr_context.cpp
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@ -1619,7 +1619,7 @@ namespace pdr {
TRACE("pdr", tout << "invariant state: " << (uses_level?"":"(inductive) ") << mk_pp(ncube, m) << "\n";);
n.pt().add_property(ncube, uses_level?n.level():infty_level);
CASSERT("pdr",n.level() == 0 || check_invariant(n.level()-1));
m_search.backtrack_level(uses_level && m_params.get_bool(":flexible-trace",true), n);
m_search.backtrack_level(uses_level && m_params.get_bool(":flexible-trace",false), n);
break;
}
case l_undef: {

2
lib/pdr_dl_interface.cpp
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@ -186,7 +186,7 @@ void dl_interface::collect_params(param_descrs& p) {
p.insert(":use-farkas", CPK_BOOL, "PDR: (default true) use lemma generator based on Farkas (for linear real arithmetic)");
p.insert(":generate-proof-trace", CPK_BOOL, "PDR: (default false) trace for 'sat' answer as proof object");
p.insert(":inline-proofs", CPK_BOOL, "PDR: (default true) run PDR with proof mode turned on and extract Farkas coefficients directly (instead of creating a separate proof object when extracting coefficients)");
p.insert(":flexible-trace", CPK_BOOL, "PDR: (default true) allow PDR generate long counter-examples by extending candidate trace within search area");
p.insert(":flexible-trace", CPK_BOOL, "PDR: (default false) allow PDR generate long counter-examples by extending candidate trace within search area");
PRIVATE_PARAMS(p.insert(":use-farkas-model", CPK_BOOL, "PDR: (default false) enable using Farkas generalization through model propagation"););
PRIVATE_PARAMS(p.insert(":use-precondition-generalizer", CPK_BOOL, "PDR: (default false) enable generalizations from weakest pre-conditions"););
PRIVATE_PARAMS(p.insert(":use-multicore-generalizer", CPK_BOOL, "PDR: (default false) extract multiple cores for blocking states"););