---
OA_place: publisher
OA_type: hybrid
_id: '19744'
abstract:
- lang: eng
  text: We consider the problem of refuting equivalence of probabilistic programs,
    i.e., the problem of proving that two probabilistic programs induce different
    output distributions. We study this problem in the context of programs with conditioning
    (i.e., with observe and score statements), where the output distribution is conditioned
    by the event that all the observe statements along a run evaluate to true, and
    where the probability densities of different runs may be updated via the score
    statements. Building on a recent work on programs without conditioning, we present
    a new equivalence refutation method for programs with conditioning. Our method
    is based on weighted restarting, a novel transformation of probabilistic programs
    with conditioning to the output equivalent probabilistic programs without conditioning
    that we introduce in this work. Our method is the first to be both a) fully automated,
    and b) providing provably correct answers. We demonstrate the applicability of
    our method on a set of programs from the probabilistic inference literature.
acknowledgement: This work was partially supported by ERC CoG 863818 (ForM-SMArt)
  and Austrian Science Fund (FWF) 10.55776/COE12. Petr Novotný is supported by the
  Czech Science Foundation grant no. GA23-06963S.
alternative_title:
- LNCS
article_processing_charge: No
arxiv: 1
author:
- first_name: Krishnendu
  full_name: Chatterjee, Krishnendu
  id: 2E5DCA20-F248-11E8-B48F-1D18A9856A87
  last_name: Chatterjee
  orcid: 0000-0002-4561-241X
- first_name: Ehsan
  full_name: Kafshdar Goharshadi, Ehsan
  id: 103b4fa0-896a-11ed-bdf8-87b697bef40d
  last_name: Kafshdar Goharshadi
  orcid: 0000-0002-8595-0587
- first_name: Petr
  full_name: Novotný, Petr
  id: 3CC3B868-F248-11E8-B48F-1D18A9856A87
  last_name: Novotný
- first_name: Dorde
  full_name: Zikelic, Dorde
  id: 294AA7A6-F248-11E8-B48F-1D18A9856A87
  last_name: Zikelic
  orcid: 0000-0002-4681-1699
citation:
  ama: 'Chatterjee K, Goharshady E, Novotný P, Zikelic D. Refuting equivalence in
    probabilistic programs with conditioning. In: <i>31st International Conference
    on Tools and Algorithms for the Construction and Analysis of Systems</i>. Vol
    15697. Springer Nature; 2025:279-300. doi:<a href="https://doi.org/10.1007/978-3-031-90653-4_14">10.1007/978-3-031-90653-4_14</a>'
  apa: 'Chatterjee, K., Goharshady, E., Novotný, P., &#38; Zikelic, D. (2025). Refuting
    equivalence in probabilistic programs with conditioning. In <i>31st International
    Conference on Tools and Algorithms for the Construction and Analysis of Systems</i>
    (Vol. 15697, pp. 279–300). Hamilton, ON, Canada: Springer Nature. <a href="https://doi.org/10.1007/978-3-031-90653-4_14">https://doi.org/10.1007/978-3-031-90653-4_14</a>'
  chicago: Chatterjee, Krishnendu, Ehsan Goharshady, Petr Novotný, and Dorde Zikelic.
    “Refuting Equivalence in Probabilistic Programs with Conditioning.” In <i>31st
    International Conference on Tools and Algorithms for the Construction and Analysis
    of Systems</i>, 15697:279–300. Springer Nature, 2025. <a href="https://doi.org/10.1007/978-3-031-90653-4_14">https://doi.org/10.1007/978-3-031-90653-4_14</a>.
  ieee: K. Chatterjee, E. Goharshady, P. Novotný, and D. Zikelic, “Refuting equivalence
    in probabilistic programs with conditioning,” in <i>31st International Conference
    on Tools and Algorithms for the Construction and Analysis of Systems</i>, Hamilton,
    ON, Canada, 2025, vol. 15697, pp. 279–300.
  ista: 'Chatterjee K, Goharshady E, Novotný P, Zikelic D. 2025. Refuting equivalence
    in probabilistic programs with conditioning. 31st International Conference on
    Tools and Algorithms for the Construction and Analysis of Systems. TACAS: Tools
    and Algorithms for the Construction and Analysis of Systems, LNCS, vol. 15697,
    279–300.'
  mla: Chatterjee, Krishnendu, et al. “Refuting Equivalence in Probabilistic Programs
    with Conditioning.” <i>31st International Conference on Tools and Algorithms for
    the Construction and Analysis of Systems</i>, vol. 15697, Springer Nature, 2025,
    pp. 279–300, doi:<a href="https://doi.org/10.1007/978-3-031-90653-4_14">10.1007/978-3-031-90653-4_14</a>.
  short: K. Chatterjee, E. Goharshady, P. Novotný, D. Zikelic, in:, 31st International
    Conference on Tools and Algorithms for the Construction and Analysis of Systems,
    Springer Nature, 2025, pp. 279–300.
conference:
  end_date: 2025-05-08
  location: Hamilton, ON, Canada
  name: 'TACAS: Tools and Algorithms for the Construction and Analysis of Systems'
  start_date: 2025-05-03
corr_author: '1'
date_created: 2025-05-25T22:17:10Z
date_published: 2025-05-01T00:00:00Z
date_updated: 2025-06-02T11:16:13Z
day: '01'
ddc:
- '000'
department:
- _id: KrCh
doi: 10.1007/978-3-031-90653-4_14
ec_funded: 1
external_id:
  arxiv:
  - '2501.06579'
file:
- access_level: open_access
  checksum: 7dcd85e7e753bfa994c10b3cf9ebc185
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  creator: dernst
  date_created: 2025-06-02T11:13:49Z
  date_updated: 2025-06-02T11:13:49Z
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file_date_updated: 2025-06-02T11:13:49Z
has_accepted_license: '1'
intvolume: '     15697'
language:
- iso: eng
month: '05'
oa: 1
oa_version: Published Version
page: 279-300
project:
- _id: 0599E47C-7A3F-11EA-A408-12923DDC885E
  call_identifier: H2020
  grant_number: '863818'
  name: 'Formal Methods for Stochastic Models: Algorithms and Applications'
publication: 31st International Conference on Tools and Algorithms for the Construction
  and Analysis of Systems
publication_identifier:
  eissn:
  - 1611-3349
  isbn:
  - '9783031906527'
  issn:
  - 0302-9743
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: Refuting equivalence in probabilistic programs with conditioning
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  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: conference
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 15697
year: '2025'
...
