2nd CFP - CPP 2026 - Certified Programs and Proofs

nicolas tabareau <[email protected]> Tue, 29 Jul 2025 09:27:40 +0200
Newsgroups gmane.comp.mathematics.hol,gmane.science.mathematics.logic.coq.ssreflect,gmane.comp.lang.haskell.general,gmane.science.mathematics.logic.coq.club,gmane.science.mathematics.logic.lean.user,gmane.science.mathematics.logic.coq.ssreflect,gmane.science.mathematics.prooftheory,gmane.comp.lang.idris.general,gmane.science.mathematics.categories,gmane.comp.lang.caml.inria
Message-ID <[email protected]>
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Certified Programs and Proofs (CPP) is an international conference on =
practical and theoretical topics in all areas that consider formal =
verification and certification as an essential paradigm for their work. =
CPP spans areas of computer science, mathematics, logic, and education.

CPP 2026 (https://popl26.sigplan.org/home/CPP-2026) will be held on =
12-13 January 2026 and will be co-located with POPL 2026 in Rennes, =
France. CPP 2026 is sponsored by ACM SIGPLAN, in cooperation with ACM =
SIGLOG.

CPP 2026 will welcome contributions from all members of the community. =
The CPP 2026 organizers will strive to enable both in-person and remote =
participation, in cooperation with the POPL 2026 organizers.

NEWS: CPP IS NOW 100% GOLD OPEN ACCESS =
<https://popl26.sigplan.org/home/CPP-2026#news-cpp-is-now-100-gold-open-ac=
cess>
Starting in 2026 all articles published at CPP will be Gold Open Access. =
Authors should check the Open Access section below for more details on =
what to expect.

IMPORTANT DATES =
<https://popl26.sigplan.org/home/CPP-2026#important-dates>
Abstract Submission Deadline: 5 September 2025
Paper Submission Deadline: 12 September 2025
Notification (tentative): 13 November 2025
Camera Ready Deadline (tentative): 1 December 2025
Conference: 12-13 January 2026
Deadlines expire at the end of the day, anywhere on earth. Abstract and =
submission deadlines are strict and there will be no extensions.

AUTHORS TAKE NOTE: =
<https://popl26.sigplan.org/home/CPP-2026#authors-take-note>
The official publication date is the date the proceedings are made =
available in the ACM Digital Library. This date may be up to two weeks =
prior to the first day of your conference. The official publication date =
affects the deadline for any patent filings related to published work.

DISTINGUISHED PAPER AWARDS =
<https://popl26.sigplan.org/home/CPP-2026#distinguished-paper-awards>
Around 10% of the accepted papers at CPP 2026 will be designated as =
Distinguished Papers. This award highlights papers that the CPP program =
committee thinks should be read by a broad audience due to their =
relevance, originality, significance and clarity.

TOPICS OF INTEREST =
<https://popl26.sigplan.org/home/CPP-2026#topics-of-interest>
We welcome submissions in research areas related to formal certification =
of programs and proofs. The following is a non-exhaustive list of topics =
of interest to CPP:

certified or certifying programming, compilation, linking, OS kernels, =
runtime systems, security monitors, and hardware;
certified mathematical libraries and mathematical theorems;
proof assistants (e.g, ACL2, Agda, Dafny, F*, HOL4, HOL Light, Idris, =
Isabelle, Lean, Mizar, Nuprl, PVS, Rocq, etc);
new languages and tools for certified programming;
program analysis, program verification, and program synthesis;
program logics, type systems, and semantics for certified code;
logics for certifying concurrent and distributed systems;
mechanized metatheory, formalized programming language semantics, and =
logical frameworks;
higher-order logics, dependent type theory, proof theory, logical =
systems, separation logics, and logics for security;
verification of correctness and security properties;
certificates for decision procedures, including linear algebra, =
polynomial systems, SAT, SMT, and unification in algebras of interest;
certificates for semi-decision procedures, including equality, =
first-order logic, and higher-order unification;
certificates for program termination;
formal models of computation;
mechanized (un)decidability and computational complexity proofs;
formally certified methods for induction and coinduction;
integration of interactive and automated provers;
logical foundations of proof assistants;
applications of AI and machine learning to formal verification;
user interfaces for proof assistants and theorem provers;
teaching mathematics and computer science with proof assistants.
Submissions will be reviewed based on the following criteria:

Thoroughly discuss the theory or design choices underpinning the =
formalization.
Provide a detailed explanation of the formalization decisions, including =
alternative approaches (e.g., in other proof assistants) and reasons for =
rejecting them.
Examine related literature on formalization choices and techniques.
Compare the design choices to those made in other libraries.
Offer feedback on the features of the computer proof assistant used, =
noting any that are missing.
Draw conclusions that can guide future formalization efforts in the same =
or other proof assistants.
SUBMISSION GUIDELINES =
<https://popl26.sigplan.org/home/CPP-2026#submission-guidelines>
Prior to the paper submission deadline, the authors should upload their =
anonymized paper in PDF format through the HotCRP system at

https://cpp2026.hotcrp.com <https://cpp2026.hotcrp.com/>
The submissions must be written in English and provide sufficient detail =
to allow the program committee to assess the merits of the contribution. =
They must be formatted following the ACM SIGPLAN Proceedings format =
using the acmart style with the sigplan option, which provides a =
two-column style, using 10 point font for the main text, and a header =
for double blind review submission, i.e.,

=
\documentclass[sigplan,10pt,anonymous,review]{acmart}\settopmatter{printfo=
lios=3Dtrue,printccs=3Dfalse,printacmref=3Dfalse}
The submitted papers should not exceed 12 pages, including tables and =
figures, but excluding bibliography and clearly marked appendices. The =
papers should be self-contained without the appendices. Shorter papers =
are welcome and will be given equal consideration. Submissions not =
conforming to the requirements concerning format and maximum length may =
be rejected without further consideration.

CPP 2026 will employ a lightweight double-blind reviewing process =
following the process from previous years. To facilitate this, the =
submissions must adhere to two rules: (1) author names and institutions =
must be omitted, and (2) references to authors=E2=80=99 own related work =
should be in the third person (e.g., not =E2=80=9CWe build on our =
previous work =E2=80=A6=E2=80=9D but rather =E2=80=9CWe build on the =
work of =E2=80=A6=E2=80=9D).

The purpose of this process is to help the PC and external reviewers =
come to an initial judgment about the paper without bias, not to make it =
impossible for them to discover the authors if they were to try. Nothing =
should be done in the name of anonymity that weakens the submission or =
makes the job of reviewing it more difficult. In particular, important =
background references should not be omitted or anonymized. In addition, =
authors are free to disseminate their ideas or draft versions of their =
papers as usual. For example, authors may post drafts of their papers on =
the web or give talks on their research ideas. Note that POPL 2026 =
itself will employ full double-blind reviewing, which differs from the =
light-weight CPP process. This FAQ from previous SIGPLAN conference =
addresses many common concerns: =
https://popl20.sigplan.org/track/POPL-2020-Research-Papers#Submission-and-=
Reviewing-FAQ

We strongly encourage the authors to provide any supplementary material =
that supports the claims made in the paper, such as proof scripts or =
experimental data. This material must be uploaded at submission time, as =
an archive, not via a URL. Two forms of supplementary material may be =
submitted: (1) Anonymous supplementary material is made available to the =
reviewers before they submit their first-draft reviews. (2) =
Non-anonymous supplementary material is made available to the reviewers =
after they have submitted their first-draft reviews and have learned the =
identity of the authors.

Please use anonymous supplementary material whenever possible, so that =
it can be taken into account from the beginning of the reviewing =
process.

The submitted papers must adhere to the SIGPLAN Republication Policy =
(https://www.sigplan.org/Resources/Policies/Republication/) and the ACM =
Policy on Plagiarism =
(https://www.acm.org/publications/policies/plagiarism). Concurrent =
submissions to other conferences, journals, workshops with proceedings, =
or similar forums of publication are not allowed. The PC chairs should =
be informed of closely related work submitted to a conference or journal =
in advance of submission. One author of each accepted paper is expected =
to present it at the (possibly virtual) conference.

OPEN ACCESS <https://popl26.sigplan.org/home/CPP-2026#open-access>
The CPP proceedings are published by ACM, and starting in 2026 all =
articles published by ACM will be Gold Open Access =
(https://www.acm.org/articles/pubs-newsletter/2025/blue-diamond-january-20=
24#COMMITMENT), so the authors retain copyright and license the work =
under a Creative Commons license (we recommend CC-BY). Here is what the =
authors of accepted papers can expect:

If any of the authors is affiliated with an institution participating in =
ACM OPEN (https://libraries.acm.org/acmopen/open-participants), we =
recommend selecting that author as a =E2=80=9Ccorresponding author=E2=80=9D=
, so that you don=E2=80=99t have to pay an article processing charge =
(APC). The choice of =E2=80=9Ccorresponding author=E2=80=9D (in HotCRP =
and when submitting the camera-ready version) only impacts whether or =
not you have to pay an APC, and does not appear on your paper or in the =
Digital Library. Please use the institutional email address for the =
=E2=80=9Ccorresponding author=E2=80=9D to make it easier for ACM OPEN to =
kick in automatically.

If none of the authors is covered by ACM OPEN, the ACM will charge you =
an APC, which you have to pay directly with the ACM. For 2026 ACM offers =
a temporarily reduced APC =
(https://www.acm.org/publications/open-access-model-for-acm-and-sig-sponso=
red-conferences-frequently-asked-questions) of $250 when at least one =
author has an ACM or SIGPLAN membership, and $350 otherwise (which is =
still much better than their usual $700 and $1000). On top of this ACM =
is offering several automated APC Waivers and Discounts =
(https://www.acm.org/publications/policies/policy-on-open-access-apc-waive=
rs-and-discounts) for authors from developing countries.

For timely dissemination of CPP papers we also recommend uploading a =
preprint online (e.g., on arXiv) and linking it from the paper=E2=80=99s =
page on the CPP website, since the publishing schedule is very tight for =
CPP and we cannot guarantee that the proceedings will be ready on time =
for the conference. The official CPP proceedings from previous years are =
also available via SIGPLAN OpenTOC =
(http://www.sigplan.org/OpenTOC/#cpp).

ORGANIZERS <https://popl26.sigplan.org/home/CPP-2026#organizers>
Kathrin Stark, Heriot-Watt University (conference co-chair)
Yannick Zakowski, ENS Lyon (conference co-chair)
Nikhil Swamy, Microsoft Research (PC co-chair)
Nicolas Tabareau, Inria (PC co-chair)
CONTACT <https://popl26.sigplan.org/home/CPP-2026#contact>
For any questions please contact the two PC chairs:

Nikhil Swamy [email protected] <mailto:[email protected]>
Nicolas Tabareau [email protected] =
<mailto:[email protected]>=

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"overflow-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;"><p =
style=3D"box-sizing: border-box; margin: 0px 0px 10px; color: rgb(51, =
51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, =
sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2; =
background-color: rgb(255, 255, 255); text-decoration-thickness: =
initial; text-decoration-style: initial; text-decoration-color: =
initial;">Certified Programs and Proofs (CPP) is an international =
conference on practical and theoretical topics in all areas that =
consider formal verification and certification as an essential paradigm =
for their work. CPP spans areas of computer science, mathematics, logic, =
and education.</p><p style=3D"box-sizing: border-box; margin: 0px 0px =
10px; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, =
Helvetica, Arial, sans-serif; font-variant-ligatures: normal; orphans: =
2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;">CPP 2026 (<a =
href=3D"https://popl26.sigplan.org/home/CPP-2026" style=3D"box-sizing: =
border-box; color: rgb(51, 122, 183); text-decoration: none; word-break: =
break-word;">https://popl26.sigplan.org/home/CPP-2026</a>) will be held =
on 12-13 January 2026 and will be co-located with POPL 2026 in Rennes, =
France. CPP 2026 is sponsored by ACM SIGPLAN, in cooperation with ACM =
SIGLOG.</p><p style=3D"box-sizing: border-box; margin: 0px 0px 10px; =
color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, =
Helvetica, Arial, sans-serif; font-variant-ligatures: normal; orphans: =
2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;">CPP 2026 will welcome contributions =
from all members of the community. The CPP 2026 organizers will strive =
to enable both in-person and remote participation, in cooperation with =
the POPL 2026 organizers.</p><h4 style=3D"box-sizing: border-box; =
font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; =
font-weight: 500; line-height: 1.1; color: rgb(51, 51, 51); margin-top: =
10px; margin-bottom: 10px; font-size: 18px; font-variant-ligatures: =
normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;"><a =
href=3D"https://popl26.sigplan.org/home/CPP-2026#news-cpp-is-now-100-gold-=
open-access" id=3D"news-cpp-is-now-100-gold-open-access" =
class=3D"anchor-link" style=3D"box-sizing: border-box; color: rgb(51, =
51, 51); text-decoration: inherit; word-break: break-word;">NEWS: CPP IS =
NOW 100% GOLD OPEN ACCESS</a></h4><p style=3D"box-sizing: border-box; =
margin: 0px 0px 10px; color: rgb(51, 51, 51); font-family: =
&quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; =
font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: =
rgb(255, 255, 255); text-decoration-thickness: initial; =
text-decoration-style: initial; text-decoration-color: =
initial;">Starting in 2026 all articles published at CPP will be Gold =
Open Access. Authors should check the Open Access section below for more =
details on what to expect.</p><h4 style=3D"box-sizing: border-box; =
font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; =
font-weight: 500; line-height: 1.1; color: rgb(51, 51, 51); margin-top: =
10px; margin-bottom: 10px; font-size: 18px; font-variant-ligatures: =
normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;"><a =
href=3D"https://popl26.sigplan.org/home/CPP-2026#important-dates" =
id=3D"important-dates" class=3D"anchor-link" style=3D"box-sizing: =
border-box; color: rgb(51, 51, 51); text-decoration: inherit; =
word-break: break-word;">IMPORTANT DATES</a></h4><ul style=3D"box-sizing: =
border-box; margin-top: 0px; margin-bottom: 10px; color: rgb(51, 51, =
51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, =
sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2; =
background-color: rgb(255, 255, 255); text-decoration-thickness: =
initial; text-decoration-style: initial; text-decoration-color: =
initial;"><li style=3D"box-sizing: border-box;">Abstract Submission =
Deadline: 5 September 2025</li><li style=3D"box-sizing: =
border-box;">Paper Submission Deadline: 12 September 2025</li><li =
style=3D"box-sizing: border-box;">Notification (tentative): 13 November =
2025</li><li style=3D"box-sizing: border-box;">Camera Ready Deadline =
(tentative): 1 December 2025</li><li style=3D"box-sizing: =
border-box;">Conference: 12-13 January 2026</li></ul><p =
style=3D"box-sizing: border-box; margin: 0px 0px 10px; color: rgb(51, =
51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, =
sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2; =
background-color: rgb(255, 255, 255); text-decoration-thickness: =
initial; text-decoration-style: initial; text-decoration-color: =
initial;">Deadlines expire at the end of the day, anywhere on earth. =
Abstract and submission deadlines are strict and there will be no =
extensions.</p><h5 style=3D"box-sizing: border-box; font-family: =
&quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-weight: =
500; line-height: 1.1; color: rgb(51, 51, 51); margin-top: 10px; =
margin-bottom: 10px; font-size: 14px; font-variant-ligatures: normal; =
orphans: 2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;"><a =
href=3D"https://popl26.sigplan.org/home/CPP-2026#authors-take-note" =
id=3D"authors-take-note" class=3D"anchor-link" style=3D"box-sizing: =
border-box; color: rgb(51, 51, 51); text-decoration: inherit; =
word-break: break-word;">AUTHORS TAKE NOTE:</a></h5><p =
style=3D"box-sizing: border-box; margin: 0px 0px 10px; color: rgb(51, =
51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, =
sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2; =
background-color: rgb(255, 255, 255); text-decoration-thickness: =
initial; text-decoration-style: initial; text-decoration-color: =
initial;">The official publication date is the date the proceedings are =
made available in the ACM Digital Library. This date may be up to two =
weeks prior to the first day of your conference. The official =
publication date affects the deadline for any patent filings related to =
published work.</p><h4 style=3D"box-sizing: border-box; font-family: =
&quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-weight: =
500; line-height: 1.1; color: rgb(51, 51, 51); margin-top: 10px; =
margin-bottom: 10px; font-size: 18px; font-variant-ligatures: normal; =
orphans: 2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;"><a =
href=3D"https://popl26.sigplan.org/home/CPP-2026#distinguished-paper-award=
s" id=3D"distinguished-paper-awards" class=3D"anchor-link" =
style=3D"box-sizing: border-box; color: rgb(51, 51, 51); =
text-decoration: inherit; word-break: break-word;">DISTINGUISHED PAPER =
AWARDS</a></h4><p style=3D"box-sizing: border-box; margin: 0px 0px 10px; =
color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, =
Helvetica, Arial, sans-serif; font-variant-ligatures: normal; orphans: =
2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;">Around 10% of the accepted papers at =
CPP 2026 will be designated as Distinguished Papers. This award =
highlights papers that the CPP program committee thinks should be read =
by a broad audience due to their relevance, originality, significance =
and clarity.</p><h4 style=3D"box-sizing: border-box; font-family: =
&quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-weight: =
500; line-height: 1.1; color: rgb(51, 51, 51); margin-top: 10px; =
margin-bottom: 10px; font-size: 18px; font-variant-ligatures: normal; =
orphans: 2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;"><a =
href=3D"https://popl26.sigplan.org/home/CPP-2026#topics-of-interest" =
id=3D"topics-of-interest" class=3D"anchor-link" style=3D"box-sizing: =
border-box; color: rgb(51, 51, 51); text-decoration: inherit; =
word-break: break-word;">TOPICS OF INTEREST</a></h4><p =
style=3D"box-sizing: border-box; margin: 0px 0px 10px; color: rgb(51, =
51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, =
sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2; =
background-color: rgb(255, 255, 255); text-decoration-thickness: =
initial; text-decoration-style: initial; text-decoration-color: =
initial;">We welcome submissions in research areas related to formal =
certification of programs and proofs. The following is a non-exhaustive =
list of topics of interest to CPP:</p><ul style=3D"box-sizing: =
border-box; margin-top: 0px; margin-bottom: 10px; color: rgb(51, 51, =
51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, =
sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2; =
background-color: rgb(255, 255, 255); text-decoration-thickness: =
initial; text-decoration-style: initial; text-decoration-color: =
initial;"><li style=3D"box-sizing: border-box;">certified or certifying =
programming, compilation, linking, OS kernels, runtime systems, security =
monitors, and hardware;</li><li style=3D"box-sizing: =
border-box;">certified mathematical libraries and mathematical =
theorems;</li><li style=3D"box-sizing: border-box;">proof assistants =
(e.g, ACL2, Agda, Dafny, F*, HOL4, HOL Light, Idris, Isabelle, Lean, =
Mizar, Nuprl, PVS, Rocq, etc);</li><li style=3D"box-sizing: =
border-box;">new languages and tools for certified programming;</li><li =
style=3D"box-sizing: border-box;">program analysis, program =
verification, and program synthesis;</li><li style=3D"box-sizing: =
border-box;">program logics, type systems, and semantics for certified =
code;</li><li style=3D"box-sizing: border-box;">logics for certifying =
concurrent and distributed systems;</li><li style=3D"box-sizing: =
border-box;">mechanized metatheory, formalized programming language =
semantics, and logical frameworks;</li><li style=3D"box-sizing: =
border-box;">higher-order logics, dependent type theory, proof theory, =
logical systems, separation logics, and logics for security;</li><li =
style=3D"box-sizing: border-box;">verification of correctness and =
security properties;</li><li style=3D"box-sizing: =
border-box;">certificates for decision procedures, including linear =
algebra, polynomial systems, SAT, SMT, and unification in algebras of =
interest;</li><li style=3D"box-sizing: border-box;">certificates for =
semi-decision procedures, including equality, first-order logic, and =
higher-order unification;</li><li style=3D"box-sizing: =
border-box;">certificates for program termination;</li><li =
style=3D"box-sizing: border-box;">formal models of computation;</li><li =
style=3D"box-sizing: border-box;">mechanized (un)decidability and =
computational complexity proofs;</li><li style=3D"box-sizing: =
border-box;">formally certified methods for induction and =
coinduction;</li><li style=3D"box-sizing: border-box;">integration of =
interactive and automated provers;</li><li style=3D"box-sizing: =
border-box;">logical foundations of proof assistants;</li><li =
style=3D"box-sizing: border-box;">applications of AI and machine =
learning to formal verification;</li><li style=3D"box-sizing: =
border-box;">user interfaces for proof assistants and theorem =
provers;</li><li style=3D"box-sizing: border-box;">teaching mathematics =
and computer science with proof assistants.</li></ul><p =
style=3D"box-sizing: border-box; margin: 0px 0px 10px; color: rgb(51, =
51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, =
sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2; =
background-color: rgb(255, 255, 255); text-decoration-thickness: =
initial; text-decoration-style: initial; text-decoration-color: =
initial;">Submissions will be reviewed based on the following =
criteria:</p><ul style=3D"box-sizing: border-box; margin-top: 0px; =
margin-bottom: 10px; color: rgb(51, 51, 51); font-family: =
&quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; =
font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: =
rgb(255, 255, 255); text-decoration-thickness: initial; =
text-decoration-style: initial; text-decoration-color: initial;"><li =
style=3D"box-sizing: border-box;">Thoroughly discuss the theory or =
design choices underpinning the formalization.</li><li =
style=3D"box-sizing: border-box;">Provide a detailed explanation of the =
formalization decisions, including alternative approaches (e.g., in =
other proof assistants) and reasons for rejecting them.</li><li =
style=3D"box-sizing: border-box;">Examine related literature on =
formalization choices and techniques.</li><li style=3D"box-sizing: =
border-box;">Compare the design choices to those made in other =
libraries.</li><li style=3D"box-sizing: border-box;">Offer feedback on =
the features of the computer proof assistant used, noting any that are =
missing.</li><li style=3D"box-sizing: border-box;">Draw conclusions that =
can guide future formalization efforts in the same or other proof =
assistants.</li></ul><h4 style=3D"box-sizing: border-box; font-family: =
&quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-weight: =
500; line-height: 1.1; color: rgb(51, 51, 51); margin-top: 10px; =
margin-bottom: 10px; font-size: 18px; font-variant-ligatures: normal; =
orphans: 2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;"><a =
href=3D"https://popl26.sigplan.org/home/CPP-2026#submission-guidelines" =
id=3D"submission-guidelines" class=3D"anchor-link" style=3D"box-sizing: =
border-box; color: rgb(51, 51, 51); text-decoration: inherit; =
word-break: break-word;">SUBMISSION GUIDELINES</a></h4><p =
style=3D"box-sizing: border-box; margin: 0px 0px 10px; color: rgb(51, =
51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, =
sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2; =
background-color: rgb(255, 255, 255); text-decoration-thickness: =
initial; text-decoration-style: initial; text-decoration-color: =
initial;">Prior to the paper submission deadline, the authors should =
upload their anonymized paper in PDF format through the HotCRP system =
at</p><p style=3D"box-sizing: border-box; margin: 0px 0px 10px; color: =
rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, =
Arial, sans-serif; font-variant-ligatures: normal; orphans: 2; widows: =
2; background-color: rgb(255, 255, 255); text-decoration-thickness: =
initial; text-decoration-style: initial; text-decoration-color: =
initial;"><a href=3D"https://cpp2026.hotcrp.com/" style=3D"box-sizing: =
border-box; color: rgb(51, 122, 183); text-decoration: none; word-break: =
break-word;">https://cpp2026.hotcrp.com</a></p><p style=3D"box-sizing: =
border-box; margin: 0px 0px 10px; color: rgb(51, 51, 51); font-family: =
&quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; =
font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: =
rgb(255, 255, 255); text-decoration-thickness: initial; =
text-decoration-style: initial; text-decoration-color: initial;">The =
submissions must be written in English and provide sufficient detail to =
allow the program committee to assess the merits of the contribution. =
They must be formatted following the ACM SIGPLAN Proceedings format =
using the acmart style with the sigplan option, which provides a =
two-column style, using 10 point font for the main text, and a header =
for double blind review submission, i.e.,</p><pre style=3D"box-sizing: =
border-box; overflow: auto; font-family: Menlo, Monaco, Consolas, =
&quot;Courier New&quot;, monospace; font-size: 13px; padding: 9.5px; =
margin-top: 0px; margin-bottom: 10px; line-height: 1.42857; color: =
rgb(51, 51, 51); word-break: break-all; overflow-wrap: break-word; =
background-color: rgb(245, 245, 245); border: 1px solid rgb(204, 204, =
204); border-radius: 4px; font-variant-ligatures: normal; orphans: 2; =
widows: 2; text-decoration-thickness: initial; text-decoration-style: =
initial; text-decoration-color: initial;"><code style=3D"box-sizing: =
border-box; font-family: Menlo, Monaco, Consolas, &quot;Courier =
New&quot;, monospace; font-size: inherit; padding: 0px; border-radius: =
0px; white-space: =
pre-wrap;">\documentclass[sigplan,10pt,anonymous,review]{acmart}\settopmat=
ter{printfolios=3Dtrue,printccs=3Dfalse,printacmref=3Dfalse}
</code></pre><p style=3D"box-sizing: border-box; margin: 0px 0px 10px; =
color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, =
Helvetica, Arial, sans-serif; font-variant-ligatures: normal; orphans: =
2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;">The submitted papers should not exceed =
12 pages, including tables and figures, but excluding bibliography and =
clearly marked appendices. The papers should be self-contained without =
the appendices. Shorter papers are welcome and will be given equal =
consideration. Submissions not conforming to the requirements concerning =
format and maximum length may be rejected without further =
consideration.</p><p style=3D"box-sizing: border-box; margin: 0px 0px =
10px; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, =
Helvetica, Arial, sans-serif; font-variant-ligatures: normal; orphans: =
2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;">CPP 2026 will employ a lightweight =
double-blind reviewing process following the process from previous =
years. To facilitate this, the submissions must adhere to two rules: (1) =
author names and institutions must be omitted, and (2) references to =
authors=E2=80=99 own related work should be in the third person (e.g., =
not =E2=80=9CWe build on our previous work =E2=80=A6=E2=80=9D but rather =
=E2=80=9CWe build on the work of =E2=80=A6=E2=80=9D).</p><p =
style=3D"box-sizing: border-box; margin: 0px 0px 10px; color: rgb(51, =
51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, =
sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2; =
background-color: rgb(255, 255, 255); text-decoration-thickness: =
initial; text-decoration-style: initial; text-decoration-color: =
initial;">The purpose of this process is to help the PC and external =
reviewers come to an initial judgment about the paper without bias, not =
to make it impossible for them to discover the authors if they were to =
try. Nothing should be done in the name of anonymity that weakens the =
submission or makes the job of reviewing it more difficult. In =
particular, important background references should not be omitted or =
anonymized. In addition, authors are free to disseminate their ideas or =
draft versions of their papers as usual. For example, authors may post =
drafts of their papers on the web or give talks on their research ideas. =
Note that POPL 2026 itself will employ full double-blind reviewing, =
which differs from the light-weight CPP process. This FAQ from previous =
SIGPLAN conference addresses many common concerns:&nbsp;<a =
href=3D"https://popl20.sigplan.org/track/POPL-2020-Research-Papers#Submiss=
ion-and-Reviewing-FAQ" style=3D"box-sizing: border-box; color: rgb(51, =
122, 183); text-decoration: none; word-break: =
break-word;">https://popl20.sigplan.org/track/POPL-2020-Research-Papers#Su=
bmission-and-Reviewing-FAQ</a></p><p style=3D"box-sizing: border-box; =
margin: 0px 0px 10px; color: rgb(51, 51, 51); font-family: =
&quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; =
font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: =
rgb(255, 255, 255); text-decoration-thickness: initial; =
text-decoration-style: initial; text-decoration-color: initial;">We =
strongly encourage the authors to provide any supplementary material =
that supports the claims made in the paper, such as proof scripts or =
experimental data. This material must be uploaded at submission time, as =
an archive, not via a URL. Two forms of supplementary material may be =
submitted: (1) Anonymous supplementary material is made available to the =
reviewers before they submit their first-draft reviews. (2) =
Non-anonymous supplementary material is made available to the reviewers =
after they have submitted their first-draft reviews and have learned the =
identity of the authors.</p><p style=3D"box-sizing: border-box; margin: =
0px 0px 10px; color: rgb(51, 51, 51); font-family: &quot;Helvetica =
Neue&quot;, Helvetica, Arial, sans-serif; font-variant-ligatures: =
normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;">Please use anonymous supplementary =
material whenever possible, so that it can be taken into account from =
the beginning of the reviewing process.</p><p style=3D"box-sizing: =
border-box; margin: 0px 0px 10px; color: rgb(51, 51, 51); font-family: =
&quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; =
font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: =
rgb(255, 255, 255); text-decoration-thickness: initial; =
text-decoration-style: initial; text-decoration-color: initial;">The =
submitted papers must adhere to the SIGPLAN Republication Policy (<a =
href=3D"https://www.sigplan.org/Resources/Policies/Republication/" =
style=3D"box-sizing: border-box; color: rgb(51, 122, 183); =
text-decoration: none; word-break: =
break-word;">https://www.sigplan.org/Resources/Policies/Republication/</a>=
) and the ACM Policy on Plagiarism (<a =
href=3D"https://www.acm.org/publications/policies/plagiarism" =
style=3D"box-sizing: border-box; color: rgb(51, 122, 183); =
text-decoration: none; word-break: =
break-word;">https://www.acm.org/publications/policies/plagiarism</a>). =
Concurrent submissions to other conferences, journals, workshops with =
proceedings, or similar forums of publication are not allowed. The PC =
chairs should be informed of closely related work submitted to a =
conference or journal in advance of submission. One author of each =
accepted paper is expected to present it at the (possibly virtual) =
conference.</p><h4 style=3D"box-sizing: border-box; font-family: =
&quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-weight: =
500; line-height: 1.1; color: rgb(51, 51, 51); margin-top: 10px; =
margin-bottom: 10px; font-size: 18px; font-variant-ligatures: normal; =
orphans: 2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;"><a =
href=3D"https://popl26.sigplan.org/home/CPP-2026#open-access" =
id=3D"open-access" class=3D"anchor-link" style=3D"box-sizing: =
border-box; color: rgb(51, 51, 51); text-decoration: inherit; =
word-break: break-word;">OPEN ACCESS</a></h4><p style=3D"box-sizing: =
border-box; margin: 0px 0px 10px; color: rgb(51, 51, 51); font-family: =
&quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; =
font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: =
rgb(255, 255, 255); text-decoration-thickness: initial; =
text-decoration-style: initial; text-decoration-color: initial;">The CPP =
proceedings are published by ACM, and starting in 2026 all articles =
published by ACM will be Gold Open Access (<a =
href=3D"https://www.acm.org/articles/pubs-newsletter/2025/blue-diamond-jan=
uary-2024#COMMITMENT" style=3D"box-sizing: border-box; color: rgb(51, =
122, 183); text-decoration: none; word-break: =
break-word;">https://www.acm.org/articles/pubs-newsletter/2025/blue-diamon=
d-january-2024#COMMITMENT</a>), so the authors retain copyright and =
license the work under a Creative Commons license (we recommend CC-BY). =
Here is what the authors of accepted papers can expect:</p><ul =
style=3D"box-sizing: border-box; margin-top: 0px; margin-bottom: 10px; =
color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, =
Helvetica, Arial, sans-serif; font-variant-ligatures: normal; orphans: =
2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;"><li style=3D"box-sizing: =
border-box;"><p style=3D"box-sizing: border-box; margin: 0px 0px =
10px;">If any of the authors is affiliated with an institution =
participating in ACM OPEN (<a =
href=3D"https://libraries.acm.org/acmopen/open-participants" =
style=3D"box-sizing: border-box; color: rgb(51, 122, 183); =
text-decoration: none; word-break: =
break-word;">https://libraries.acm.org/acmopen/open-participants</a>), =
we recommend selecting that author as a =E2=80=9Ccorresponding =
author=E2=80=9D, so that you don=E2=80=99t have to pay an article =
processing charge (APC). The choice of =E2=80=9Ccorresponding author=E2=80=
=9D (in HotCRP and when submitting the camera-ready version) only =
impacts whether or not you have to pay an APC, and does not appear on =
your paper or in the Digital Library. Please use the institutional email =
address for the =E2=80=9Ccorresponding author=E2=80=9D to make it easier =
for ACM OPEN to kick in automatically.</p></li><li style=3D"box-sizing: =
border-box;"><p style=3D"box-sizing: border-box; margin: 0px 0px =
10px;">If none of the authors is covered by ACM OPEN, the ACM will =
charge you an APC, which you have to pay directly with the ACM. For 2026 =
ACM offers a temporarily reduced APC (<a =
href=3D"https://www.acm.org/publications/open-access-model-for-acm-and-sig=
-sponsored-conferences-frequently-asked-questions" style=3D"box-sizing: =
border-box; color: rgb(51, 122, 183); text-decoration: none; word-break: =
break-word;">https://www.acm.org/publications/open-access-model-for-acm-an=
d-sig-sponsored-conferences-frequently-asked-questions</a>) of $250 when =
at least one author has an ACM or SIGPLAN membership, and $350 otherwise =
(which is still much better than their usual $700 and $1000). On top of =
this ACM is offering several automated APC Waivers and Discounts (<a =
href=3D"https://www.acm.org/publications/policies/policy-on-open-access-ap=
c-waivers-and-discounts" style=3D"box-sizing: border-box; color: rgb(51, =
122, 183); text-decoration: none; word-break: =
break-word;">https://www.acm.org/publications/policies/policy-on-open-acce=
ss-apc-waivers-and-discounts</a>) for authors from developing =
countries.</p></li></ul><p style=3D"box-sizing: border-box; margin: 0px =
0px 10px; color: rgb(51, 51, 51); font-family: &quot;Helvetica =
Neue&quot;, Helvetica, Arial, sans-serif; font-variant-ligatures: =
normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;">For timely dissemination of CPP papers =
we also recommend uploading a preprint online (e.g., on arXiv) and =
linking it from the paper=E2=80=99s page on the CPP website, since the =
publishing schedule is very tight for CPP and we cannot guarantee that =
the proceedings will be ready on time for the conference. The official =
CPP proceedings from previous years are also available via SIGPLAN =
OpenTOC (<a href=3D"http://www.sigplan.org/OpenTOC/#cpp" =
style=3D"box-sizing: border-box; color: rgb(51, 122, 183); =
text-decoration: none; word-break: =
break-word;">http://www.sigplan.org/OpenTOC/#cpp</a>).</p><h4 =
style=3D"box-sizing: border-box; font-family: &quot;Helvetica =
Neue&quot;, Helvetica, Arial, sans-serif; font-weight: 500; line-height: =
1.1; color: rgb(51, 51, 51); margin-top: 10px; margin-bottom: 10px; =
font-size: 18px; font-variant-ligatures: normal; orphans: 2; widows: 2; =
background-color: rgb(255, 255, 255); text-decoration-thickness: =
initial; text-decoration-style: initial; text-decoration-color: =
initial;"><a href=3D"https://popl26.sigplan.org/home/CPP-2026#organizers" =
id=3D"organizers" class=3D"anchor-link" style=3D"box-sizing: border-box; =
color: rgb(51, 51, 51); text-decoration: inherit; word-break: =
break-word;">ORGANIZERS</a></h4><ul style=3D"box-sizing: border-box; =
margin-top: 0px; margin-bottom: 10px; color: rgb(51, 51, 51); =
font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; =
font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: =
rgb(255, 255, 255); text-decoration-thickness: initial; =
text-decoration-style: initial; text-decoration-color: initial;"><li =
style=3D"box-sizing: border-box;">Kathrin Stark, Heriot-Watt University =
(conference co-chair)</li><li style=3D"box-sizing: border-box;">Yannick =
Zakowski, ENS Lyon (conference co-chair)</li><li style=3D"box-sizing: =
border-box;">Nikhil Swamy, Microsoft Research (PC co-chair)</li><li =
style=3D"box-sizing: border-box;">Nicolas Tabareau, Inria (PC =
co-chair)</li></ul><h4 style=3D"box-sizing: border-box; font-family: =
&quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-weight: =
500; line-height: 1.1; color: rgb(51, 51, 51); margin-top: 10px; =
margin-bottom: 10px; font-size: 18px; font-variant-ligatures: normal; =
orphans: 2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;"><a =
href=3D"https://popl26.sigplan.org/home/CPP-2026#contact" id=3D"contact" =
class=3D"anchor-link" style=3D"box-sizing: border-box; color: rgb(51, =
51, 51); text-decoration: inherit; word-break: =
break-word;">CONTACT</a></h4><p style=3D"box-sizing: border-box; margin: =
0px 0px 10px; color: rgb(51, 51, 51); font-family: &quot;Helvetica =
Neue&quot;, Helvetica, Arial, sans-serif; font-variant-ligatures: =
normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255); =
text-decoration-thickness: initial; text-decoration-style: initial; =
text-decoration-color: initial;">For any questions please contact the =
two PC chairs:</p><ul style=3D"box-sizing: border-box; margin-top: 0px; =
margin-bottom: 10px; color: rgb(51, 51, 51); font-family: =
&quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; =
font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: =
rgb(255, 255, 255); text-decoration-thickness: initial; =
text-decoration-style: initial; text-decoration-color: initial;"><li =
style=3D"box-sizing: border-box;">Nikhil Swamy&nbsp;<a =
href=3D"mailto:[email protected]" style=3D"box-sizing: border-box; =
color: rgb(51, 122, 183); text-decoration: none; word-break: =
break-word;">[email protected]</a></li><li style=3D"box-sizing: =
border-box;">Nicolas Tabareau&nbsp;<a =
href=3D"mailto:[email protected]" style=3D"box-sizing: =
border-box; color: rgb(51, 122, 183); text-decoration: none; word-break: =
break-word;">[email protected]</a></li></ul></body></html>=

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