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add pre-init assumptions for smt theories

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This commit is contained in:
Murphy Berzish 2017-04-18 13:12:03 -04:00
parent a7f72bf4ef
commit bef64961ae
6 changed files with 44 additions and 30 deletions
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31
src/smt/theory_str.cpp
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@ -56,6 +56,7 @@ theory_str::theory_str(ast_manager & m, theory_str_params const & params):
tmpValTestVarCount(0),
avoidLoopCut(true),
loopDetected(false),
m_theoryStrOverlapAssumption_term(m),
contains_map(m),
string_int_conversion_terms(m),
totalCacheAccessCount(0),
@ -3080,7 +3081,7 @@ void theory_str::process_concat_eq_type1(expr * concatAst1, expr * concatAst2) {
if (!overlapAssumptionUsed) {
overlapAssumptionUsed = true;
assert_implication(ax_l, ctx.get_theory_str_overlap_assumption_term());
assert_implication(ax_l, m_theoryStrOverlapAssumption_term);
}
}
}
@ -3143,7 +3144,7 @@ void theory_str::process_concat_eq_type1(expr * concatAst1, expr * concatAst2) {
if (!overlapAssumptionUsed) {
overlapAssumptionUsed = true;
assert_implication(ax_l, ctx.get_theory_str_overlap_assumption_term());
assert_implication(ax_l, m_theoryStrOverlapAssumption_term);
}
}
}
@ -3199,7 +3200,7 @@ void theory_str::process_concat_eq_type1(expr * concatAst1, expr * concatAst2) {
if (!overlapAssumptionUsed) {
overlapAssumptionUsed = true;
arrangement_disjunction.push_back(ctx.get_theory_str_overlap_assumption_term());
arrangement_disjunction.push_back(m_theoryStrOverlapAssumption_term);
}
}
}
@ -3248,7 +3249,7 @@ void theory_str::process_concat_eq_type1(expr * concatAst1, expr * concatAst2) {
if (!overlapAssumptionUsed) {
overlapAssumptionUsed = true;
arrangement_disjunction.push_back(ctx.get_theory_str_overlap_assumption_term());
arrangement_disjunction.push_back(m_theoryStrOverlapAssumption_term);
}
}
}
@ -3495,7 +3496,7 @@ void theory_str::process_concat_eq_type2(expr * concatAst1, expr * concatAst2) {
if (!overlapAssumptionUsed) {
overlapAssumptionUsed = true;
assert_implication(ax_l, ctx.get_theory_str_overlap_assumption_term());
assert_implication(ax_l, m_theoryStrOverlapAssumption_term);
}
}
}
@ -3601,7 +3602,7 @@ void theory_str::process_concat_eq_type2(expr * concatAst1, expr * concatAst2) {
if (!overlapAssumptionUsed) {
overlapAssumptionUsed = true;
arrangement_disjunction.push_back(ctx.get_theory_str_overlap_assumption_term());
arrangement_disjunction.push_back(m_theoryStrOverlapAssumption_term);
}
}
}
@ -3903,7 +3904,7 @@ void theory_str::process_concat_eq_type3(expr * concatAst1, expr * concatAst2) {
if (!overlapAssumptionUsed) {
overlapAssumptionUsed = true;
assert_implication(ax_l, ctx.get_theory_str_overlap_assumption_term());
assert_implication(ax_l, m_theoryStrOverlapAssumption_term);
}
}
}
@ -3987,7 +3988,7 @@ void theory_str::process_concat_eq_type3(expr * concatAst1, expr * concatAst2) {
if (!overlapAssumptionUsed) {
overlapAssumptionUsed = true;
arrangement_disjunction.push_back(ctx.get_theory_str_overlap_assumption_term());
arrangement_disjunction.push_back(m_theoryStrOverlapAssumption_term);
}
}
}
@ -4393,7 +4394,7 @@ void theory_str::process_concat_eq_type6(expr * concatAst1, expr * concatAst2) {
// only add the overlap assumption one time
if (!overlapAssumptionUsed) {
arrangement_disjunction.push_back(ctx.get_theory_str_overlap_assumption_term());
arrangement_disjunction.push_back(m_theoryStrOverlapAssumption_term);
overlapAssumptionUsed = true;
}
}
@ -7292,13 +7293,19 @@ void theory_str::set_up_axioms(expr * ex) {
}
}
void theory_str::add_theory_assumptions(expr_ref_vector & assumptions) {
TRACE("t_str", tout << "add overlap assumption for theory_str" << std::endl;);
symbol strOverlap("!!TheoryStrOverlapAssumption!!");
seq_util m_sequtil(get_manager());
sort * s = get_manager().mk_bool_sort();
m_theoryStrOverlapAssumption_term = expr_ref(get_manager().mk_const(strOverlap, s), get_manager());
assumptions.push_back(get_manager().mk_not(m_theoryStrOverlapAssumption_term));
}
void theory_str::init_search_eh() {
ast_manager & m = get_manager();
context & ctx = get_context();
// safety
SASSERT(ctx.use_theory_str_overlap_assumption());
TRACE("t_str_detail",
tout << "dumping all asserted formulas:" << std::endl;
unsigned nFormulas = ctx.get_num_asserted_formulas();