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17 results for “CNF”
On CNF Conversion for SAT and SMT Enumeration: Benchmarks, Results and Plots
<p>Experimental results for the paper:<br><br><a title="Arxiv Link" href="https://arxiv.org/abs/2303.14971" target="_blank" rel="noopener">On CNF encoding for SAT and SMT enumeration</a>, Gabriele Masina, Giuseppe Spallitta and Roberto Sebastiani. ArXiv, 2024.</p> <p>Content:</p> <ul> <li><code>aig-bench.zip</code> <code>iscas85-bench.zip</code> <code>syn-bool-bench.zip</code> contain the inputs and results for the Boolean benchmarks. Each zip contains: <ul> <li><code>data/</code> that contains the input data</li> <li><code>results-<tool>/</code> for each tested tool.</li> </ul> </li> <li><code>syn-lra-bench.zip</code> <code>wmi-bench.zip</code> contain the inputs and results for the Boolean benchmarks. Each zip contains: <ul> <li><code>data/</code> that contains the input data</li> <li><code>results-<tool>/</code> for each tested tool.</li> </ul> </li> <li><code>plot-d4</code>, <code>plot-msat</code>, <code>plot-tabularallsat</code>, <code>plot-tabularallsmt</code> contain the plots for enumeration with different tools. </li> <li><code>plot-msat-sat</code> contains the plot for plain satisfiability using MathSAT.</li> </ul> <p>Results are stored in JSON files, where the field <code>"mode"</code> indicates the CNF transformation used to preprocess the input:</p> <ul> <li><code>LAB</code> for Tseitin CNF</li> <li><code>LABELNEG_POL</code> for Plaisted&Greenbaum CNF, using negative labels for subformulas occurring negatively only.</li> <li><code>NNF_MUTEX_POL</code> for NNF+Plaisted&Greenbaum CNF+mutex clauses, as described in the paper</li> </ul> <p>The source code used to run the experiments is available at <a href="https://doi.org/10.5281/zenodo.14033422" target="_blank" rel="noopener">https://doi.org/10.5281/zenodo.14033422</a>.</p> <p> </p>
Experimental Repository for "Certified CNF Translations for Pseudo-Boolean Solving"
<p>Experimental repository</p> <p> </p> <p>Directory structure:</p> <ul> <li>`instances`: The instances used for the experiments sorted by their category.</li> <li>`output_data`: Raw output data from the experiments.</li> <li>`plots`: Plots generated from our experiments; also contain the plots used in the paper.</li> <li>`results`: Collected data on running time and proof size for the encodings.</li> <li>`source_code`: The source code of our `kissat_fork` to output VeriPB proofs, the proof checker `VeriPB` and our certifying PB-to-CNF translation library `VeritasPBLib` as used for our experiments.</li> </ul>
Linked collectors and determiners for: Liste de quelques espèces envahissantes de l'herbier du Centre National de Floristique (CNF) en Côte d'Ivoire.
Natural history specimen data linked to collectors and determiners held within, "Liste de quelques espèces envahissantes de l'herbier du Centre National de Floristique (CNF) en Côte d'Ivoire". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/b0c0fea3-f43e-49b4-93b7-3683143de843">https://bionomia.net/dataset/b0c0fea3-f43e-49b4-93b7-3683143de843</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/b0c0fea3-f43e-49b4-93b7-3683143de843">https://gbif.org/dataset/b0c0fea3-f43e-49b4-93b7-3683143de843</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Liste de quelques espèces à statuts particuliers de l'herbier du Centre National de Floristique (CNF) en Côte d'Ivoire.
Natural history specimen data linked to collectors and determiners held within, "Liste de quelques espèces à statuts particuliers de l'herbier du Centre National de Floristique (CNF) en Côte d'Ivoire". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/1bf568f9-7a67-4825-a187-c2f66ce06f65">https://bionomia.net/dataset/1bf568f9-7a67-4825-a187-c2f66ce06f65</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/1bf568f9-7a67-4825-a187-c2f66ce06f65">https://gbif.org/dataset/1bf568f9-7a67-4825-a187-c2f66ce06f65</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Données complémentaires de specimens d'herbiers du Centre National de Floristique (CNF), Côte d'Ivoire.
Natural history specimen data linked to collectors and determiners held within, "Données complémentaires de specimens d'herbiers du Centre National de Floristique (CNF), Côte d'Ivoire". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/0819e594-0b6b-4e41-9271-d277ff635bbd">https://bionomia.net/dataset/0819e594-0b6b-4e41-9271-d277ff635bbd</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/0819e594-0b6b-4e41-9271-d277ff635bbd">https://gbif.org/dataset/0819e594-0b6b-4e41-9271-d277ff635bbd</a>. Formatted as a Frictionless Data package.
CNF and CSV files for Lalonde dataset
<p>To facilitate reproducibility for the experiments of efficient inference with decision diagram paper, all CNF vars and CSV files are made available for the Lalonde dataset (they are too big for GitHub)</p>
CNF Encoded Isomorphic and Optimized Miters from Hardware Model Checking Competition 2012 Models
<p>These miter benchmarks are used in a paper on congruence closure in 2024.</p> <p>The miter AIGs in the [`aig`](aig) directory are the same as those used to<br>generate CNFs of miter benchmarks submitted to the SAT Challenge in 2012.<br>Some of them have regularly been used in the SAT Competitions since then.</p> <p>The AIGs are separated into two sets:</p> <p>- [`aig/iso`](aig/iso) miters of isomorphic circuits<br>- [`aig/opt`](aig/opt) miters of optimized versus original circuit</p> <p>The first set checks equivalence of one circuit with itself in the<br>[`aig/iso`](aig/iso) (isomorphic) sub-directory and second set contains<br>equivalence checking problems (aka miters) comparing the original circuit<br>with an optimized version in the [`aig/opt`](aig/opt) (optimized)<br>sub-directory. The optimized versions of the circuits were obtained in 2012<br>by the `dc2` script for [ABC](https://people.eecs.berkeley.edu/~alanmi/abc).<br>We did not re-run ABC with a newer version in order to make sure we have as<br>base-line in our experiments the same CNFs, as they are well-known, i.e., <br>they have been used in the SAT competitions for several years.</p> <p>Note that the original AIGER models have state elements (called "latches"<br>in AIGER terminology), but both the optimization with ABC as well as our<br>equivalence checking is purely combinational, by treating latches as<br>additional pseudo inputs, and next-state functions as output-functions. The<br>miters were accordingly generated (by the 2011 version) of `aigmiter` using<br>the `-c` option. For the same reason as for ABC explained above, we did not<br>rerun `aigmiter` either.</p> <p>We then encoded the two sets of AIGs into CNF in two different ways.<br>The first encoding just uses a simple Tseitin encoding, without<br>Plaisted-Greenbaum optimization, i.e., using the `--no-pg` option, as in 2012.<br>Even though we use a new version of `aigtocnf` in `src/aiger/aigtocnf.c` we<br>made sure that identical CNFs are generated for this first encoding variant<br>by checking that the MD5 sum of the (actually compressed) CNF files match.<br>This required to disable a newly introduced cone-of-influence (COI)<br>optimization with `--no-coi` which skips unreachable gates even when the<br>Plaisted-Greenbaum optimization is disabled.</p> <p>The second variant of the encoding detects XOR and ITE gates by pattern<br>matching and produces more concise CNFs by skipping internal AND gates<br>of detected XOR and ITE gates producing a direct encoding instead.</p> <p>This gives the following sets of CNFs;</p> <p>- [`cnf/ands/iso`](cnf/ands/iso) isomorphic circuits with ANDs only<br>- [`cnf/ands/opt`](cnf/ands/opt) optimized versus original with ANDs only<br>- [`cnf/xits/iso`](cnf/xits/isor) isomorphic circuits with ANDs, XORs, ITEs<br>- [`cnf/xits/opt`](cnf/xits/opt) optimized versus original with ANDs, XORs, ITEs</p> <p>All the CNFs in these directories have the same original file name of the<br>AIGER model to simplify run-time comparison. In `cnf/all` we further<br>provide links with qualified names to distinguish them.</p>
CNF Encoded Hard Miters from IWLS'22 Paper
<h3>Five Hard Miters from an IWLS'22 Paper Encoded into CNF in two Ways</h3> <p><br>The IWLS'22 paper [1] by He-Teng Zhang, Jie-Hong R. Jiang, Alan Mishchenko,<br>and Luca Amaru, which can be considered an update on their DAC'21 [2] paper<br>was focusing on a hybrid approach to SAT-sweeping, i.e., using a SAT solver<br>incrementally, taking the circuit structure into account.</p> <p>Experiments in [1] used a subset of the benchmarks from [2] which also<br>contains five miters `n01`, `n04`, `n06`, and `test01` and `test02` provided<br>to us by Alan Mishchenko and which were considered hard for SAT sweeping,<br>and particularly for monolithic CNF-level SAT solving.</p> <p> [1] H.-T. Zhang, J.-H. R. Jiang, A. Mishchenko, and L. Amaru. "Improved<br> large-scale SAT sweeping", In Proc. Intl. Work. on Logic Synthesis<br> (IWLS'22).</p> <p> [2] H.-T. Zhang, J.-H. R. Jiang, L. Amaru, A. Mishchenko, and R. Brayton.<br> "Deep integration of circuit simulator and SAT solver". In Proc. of Design<br> Automation Conference (DAC'21), 2021.</p> <p>It turned out, confirmed by Alan Mishchenko, that the outputs of `test01`<br>and `test02`, were flipped in the process they were generated. This does<br>not invalidate the SAT sweeping experiments in [1] and [2] at all, but needs<br>to be taken care off, when encoding them into CNF with `aigtocnf`, by simply<br>first negating the outputs with `aigflip`. Further note, that the other<br>three AIGs `n01`, `n04`, and `n06` are not negated but have multiple outputs<br>and thus we joined them by disjunction with `aigor`.</p> <p>We have extended `aigtocnf` to detect XOR and ITE gates in AIGER circuits,<br>i.e., during Tseitin encoding we check whether and an AND gate has two<br>negated AND gates as children and actually implements an XOR or ITE gate.<br>In this case we use a direct CNF encoding of four clauses, instead of 9<br>clauses for three AND gates, skipping the two child AND gates of the top AND<br>gate. This reduces not only the number of clauses and variables but has<br>positive effects on solving time. Thus all the CNF benchmarks come in two<br>flavors tagged `xits` with special treatment of XOR and ITE gates during<br>Tseitin encoding and `ands` without.</p>
FIGURE 3. Coprinopsis alnivora. A. Basidiospores from CNF 1 in Coprinopsis alnivora (Psathyrellaceae), a rare species from North America is discovered in Europe
FIGURE 3. Coprinopsis alnivora. A. Basidiospores from CNF 1/5429. B. Basidiospores from WU 42007. C. Basidiospores from BRA CR33779. D. Veil hyphae (phase contrast). E, F. Cheilocystidia. G. Pleurocystidia. Scale bars: A–C = 5 µm, D–G = 20 μm. Photos by: Z. Tkalčec.
CNF Encoded Isomorphic and Optimized Miters from Hardware Model Checking Competition 2020 Models
<p>From the Hardware Model Checking Competition 2020 we have collected 324<br>sequential model checking problems and for each generated an isomorphic and<br>an optimized miter. The isomorphic miters just compares two identical<br>copies while for the optimized miter one copy went through optimization<br>with ABC using the `dc2` command.</p> <p>The CNFs are generated with a new version of `aigtocnf` which detects<br>XOR and ITE gates in the AIGER circuit and if detected uses a more compact<br>encoding (4 clauses clauses instead of 9) for each detected gate.</p>
Cuneiform Nucleus (CnF) Deep Brain Stimulation for Gait Facilitation Following Spinal Cord Injury
ClinicalTrials.gov study NCT07109804. IPD Sharing: NO. Countries: 1. Publications: 0.
Selected Benchmarks for CNF-to-BDD Compilation
Open the record for dataset details and reuse information.
NFX-179 Topical Gel Treatment for Adults With Neurofibromatosis 1 (NF1) and Cutaneous Neurofibromas (cNF)
ClinicalTrials.gov study NCT05005845. IPD Sharing: NO. Countries: 1. Publications: 0.
NFX-179 Topical Gel Treatment in Adults With Neurofibromatosis 1 (NF1) and Cutaneous Neurofibromas (cNF)
ClinicalTrials.gov study NCT04435665. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Tseitin or not Tseitin? The Impact of CNF Transformations on Feature-Model Analyses (Replication Package)
<p>Replication package for the ASE'22 paper "Tseitin or not Tseitin? The Impact of CNF Transformations on Feature-Model Analyses"</p>
Mirdametinib Monotherapy in Adults With Neurofibromatosis 1 (NF1) and Cutaneous Neurofibromas (cNF).
ClinicalTrials.gov study NCT06159166. IPD Sharing: Not stated. Countries: 1. Publications: 0.
adiabatic_CNF_8192
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