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Accept define-const from SMTLIB2.7 #855

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Merged
MichaelRawson merged 3 commits into from
May 26, 2026
Merged

Accept define-const from SMTLIB2.7 #855

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c5376e9
Accept define-const from SMTLIB2.7
mezpusz May 14, 2026
fc45c46
Merge branch 'master' into smtlib2.7-define-const
mezpusz May 26, 2026
ba0de95
Add small test for define-const
mezpusz May 26, 2026
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13 changes: 13 additions & 0 deletions Parse/SMTLIB2.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -221,6 +221,19 @@ void SMTLIB2::readBenchmark(LExpr* bench)
continue;
}

if (ibRdr.tryAcceptAtom("define-const")) {

auto name = ibRdr.readAtom();
auto oSort = ibRdr.readExpr();
auto body = ibRdr.readExpr();
LExpr iArgs(LispParser::LIST); // dummy list to avoid passing null below
readDefineFun(name,&iArgs,oSort,body,/*recursive=*/false);

ibRdr.acceptEOL();

continue;
}

bool recursive = false;
if (ibRdr.tryAcceptAtom("define-fun") || (recursive = ibRdr.tryAcceptAtom("define-fun-rec"))) {

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4 changes: 4 additions & 0 deletions checks/parse/define-const.smt2
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@@ -0,0 +1,4 @@
(define-const c Int 5)
(define-fun double ((x Int)) Int (* 2 x))
(assert (not (= (+ (double c) (double c)) (double (+ c c)))))
(check-sat)
1 change: 1 addition & 0 deletions checks/sanity
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Expand Up @@ -115,6 +115,7 @@ check_szs_status Unsatisfiable -newcnf on -t 1 parse/smtlib2-parametric-datatype
check_szs_status Unsatisfiable parse/smtlib2-mutual-recursion.smt2
check_szs_status Unsatisfiable -newcnf on parse/let-bind-variable.smt2
check_szs_status Unsatisfiable -qa synthesis parse/assert-synth-max5.smt2
check_szs_status Unsatisfiable parse/define-const.smt2

# Arithmetic
check_szs_status Theorem -t 1d -s 32 -tgt ground -sas z3 -tha some -nm 6 Problems/ANA/ANA135_1.p
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