mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-28 11:25:51 +00:00
Code Activity

trace reason for undef in arithmetic, enable model generation on THEORY incompleteness, but retain undef result

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-09-26 12:58:55 -07:00
parent 4995ce1fde
commit 9412890c63
4 changed files with 11 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/smt/smt_context.cpp
View file

@ -3945,7 +3945,7 @@ namespace smt {
m_fingerprints.display(tout);
);
failure fl = get_last_search_failure();
if (fl == TIMEOUT || fl == MEMOUT || fl == CANCELED || fl == NUM_CONFLICTS || fl == THEORY) {
if (fl == TIMEOUT || fl == MEMOUT || fl == CANCELED || fl == NUM_CONFLICTS) {
// don't generate model.
return;
}

4
src/smt/theory_arith_core.h
View file

@ -1274,8 +1274,10 @@ namespace smt {
}
}
while (m_final_check_idx != old_idx);
if (result == FC_DONE && m_found_unsupported_op)
if (result == FC_DONE && m_found_unsupported_op) {
TRACE("arith", tout << "Found unsupported operation\n";);
result = FC_GIVEUP;
}
return result;
}

4
src/smt/theory_arith_int.h
View file

@ -1294,8 +1294,10 @@ namespace smt {
}
tout << "max: " << max << ", min: " << min << "\n";);
if (m_params.m_arith_ignore_int)
if (m_params.m_arith_ignore_int) {
TRACE("arith", tout << "Ignore int: give up\n";);
return FC_GIVEUP;
}
if (!gcd_test())
return FC_CONTINUE;

6
src/smt/theory_arith_nl.h
View file

@ -2314,13 +2314,15 @@ namespace smt {
return FC_DONE;
}
if (!m_params.m_nl_arith)
if (!m_params.m_nl_arith) {
TRACE("non_linear", tout << "Non-linear is not enabled\n";);
return FC_GIVEUP;
}
TRACE("process_non_linear", display(tout););
if (m_nl_rounds > m_params.m_nl_arith_rounds) {
TRACE("non_linear", tout << "GIVE UP non linear problem...\n";);
TRACE("non_linear", tout << "GIVEUP non linear problem...\n";);
IF_VERBOSE(3, verbose_stream() << "Max. non linear arithmetic rounds. Increase threshold using NL_ARITH_ROUNDS=<limit>\n";);
return FC_GIVEUP;
}