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feat(BV, CP): Add propagators for bvudiv and bvurem #1084

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merged 3 commits into from
Jun 21, 2024
Merged

feat(BV, CP): Add propagators for bvudiv and bvurem #1084

merged 3 commits into from
Jun 21, 2024

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bclement-ocp
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These are interval propagators only and respect the SMT-LIB semantics
for division by 0. This requires custom operators in the Intervals
module that update the bounds appropriately, sincethe existing div
operator is undefined on 0.

Note: this requires and currently includes #1058 and #1083 ; the commit titled "feat(BV, CP): Add propagators for bvudiv and bvurem" is new.

@bclement-ocp bclement-ocp mentioned this pull request Mar 29, 2024
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Rebased on #1108

@bclement-ocp bclement-ocp force-pushed the bvarith-div branch 4 times, most recently from d7889ba to d770784 Compare May 13, 2024 10:40
@bclement-ocp bclement-ocp mentioned this pull request Jun 11, 2024
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@bclement-ocp bclement-ocp force-pushed the bvarith-div branch 3 times, most recently from 16f8ea2 to 228084b Compare June 12, 2024 17:17
This was referenced Jun 20, 2024
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@bclement-ocp bclement-ocp force-pushed the bvarith-div branch 3 times, most recently from b094290 to 8164c5e Compare June 21, 2024 08:46
Halbaroth
Halbaroth requested changes Jun 21, 2024
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bclement-ocp
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Ready for round 2

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@bclement-ocp
feat(BV, CP): Add propagators for bvudiv and bvurem
515a4cc 
These are interval propagators only and respect the SMT-LIB semantics
for division by 0. This requires custom operators in the `Intervals`
module that update the bounds appropriately, sincethe existing `div`
operator is undefined on `0`.
@bclement-ocp
Address review
ff09632
@bclement-ocp
Fix comment in bvurem
933ede4
@bclement-ocp bclement-ocp enabled auto-merge (squash) June 21, 2024 15:40
@bclement-ocp bclement-ocp merged commit d1f278e into OCamlPro:next Jun 21, 2024
14 checks passed
@bclement-ocp bclement-ocp deleted the bvarith-div branch June 21, 2024 15:46
@bclement-ocp bclement-ocp added this to the 2.6.0 milestone Jul 11, 2024
Halbaroth pushed a commit to Halbaroth/alt-ergo that referenced this pull request Jul 24, 2024
@bclement-ocp @Halbaroth
feat(BV, CP): Add propagators for bvudiv and bvurem (OCamlPro#1084)
6d3e2e8 
These are interval propagators only and respect the SMT-LIB semantics
for division by 0. This requires custom operators in the `Intervals`
module that update the bounds appropriately, since the existing `div`
operator is undefined on `0`.
@bclement-ocp bclement-ocp mentioned this pull request Sep 24, 2024
Merged
bclement-ocp added a commit to bclement-ocp/opam-repository that referenced this pull request Sep 24, 2024
@bclement-ocp
[new release] alt-ergo (4 packages) (2.6.0)
34f6b75 
CHANGES:

### Command-line interface

 - Enable FPA theory by default (OCamlPro/alt-ergo#1177)
 - Remove deprecated output channels (OCamlPro/alt-ergo#782)
 - Deprecate the --use-underscore since it produces models that are not SMT-LIB
   compliant (OCamlPro/alt-ergo#805)
 - Add --dump-models-on to dump models on a specific output channel (OCamlPro/alt-ergo#838)
 - Use consistent return codes (OCamlPro/alt-ergo#842)
 - Add --continue-on-error flag to set the SMT-LIB error behavior (OCamlPro/alt-ergo#853)
 - Make dolmen the default value for the --frontend option (OCamlPro/alt-ergo#857)
 - Restore functionality to broken `--profiling` option (OCamlPro/alt-ergo#947)
 - Add bare-bones support for interactive input in SMT-LIB format (OCamlPro/alt-ergo#949)
 - Less confusing behavior on timeout (OCamlPro/alt-ergo#982, OCamlPro/alt-ergo#984)
 - Add `--strict` option for SMT-LIB compliant mode (OCamlPro/alt-ergo#916, OCamlPro/alt-ergo#1133)
 - Deprecate `sum`, `typing` and `warnings` debug flags (OCamlPro/alt-ergo#1204)

### SMT-LIB support

 - Add support for the many new SMT-LIB commands (OCamlPro/alt-ergo#837, OCamlPro/alt-ergo#848, OCamlPro/alt-ergo#852, OCamlPro/alt-ergo#863, OCamlPro/alt-ergo#911,
   OCamlPro/alt-ergo#942, OCamlPro/alt-ergo#945, OCamlPro/alt-ergo#961, OCamlPro/alt-ergo#975, OCamlPro/alt-ergo#1069)
 - Expose the FPA rounding builtin in the SMT-LIB format (OCamlPro/alt-ergo#876, OCamlPro/alt-ergo#1135)
 - Allow changing the SAT solver using (set-option) (OCamlPro/alt-ergo#880)
 - Add support for the `:named` attribute (OCamlPro/alt-ergo#957)
 - Add support for quoted identifiers (OCamlPro/alt-ergo#909, OCamlPro/alt-ergo#972)
 - Add support for naming lemmas in SMT-LIB syntax (OCamlPro/alt-ergo#1141, OCamlPro/alt-ergo#1143)

### Model generation

 - Use post-solve SAT environment in model generation, fixing issues where
   incorrect models were generated (OCamlPro/alt-ergo#789)
 - Restore support for records in models (OCamlPro/alt-ergo#793)
 - Use abstract values instead of dummy values in models where the
   actual value does not matter (OCamlPro/alt-ergo#804, OCamlPro/alt-ergo#835)
 - Use fresh names for all abstract values to prevent accidental captures (OCamlPro/alt-ergo#811)
 - Add support for model generation with the default CDCL solver (OCamlPro/alt-ergo#829)
 - Support model generation for the BV theory (OCamlPro/alt-ergo#841, OCamlPro/alt-ergo#968)
 - Add support for optimization (MaxSMT / OptiSMT) with
   lexicographic Int and Real objectives (OCamlPro/alt-ergo#861, OCamlPro/alt-ergo#921)
 - Add a SMT-LIB printer for expressions (OCamlPro/alt-ergo#952, OCamlPro/alt-ergo#981, OCamlPro/alt-ergo#1082, OCamlPro/alt-ergo#931, OCamlPro/alt-ergo#932)
 - Ensure models have a value for all constants in the problem (OCamlPro/alt-ergo#1019)
 - Fix a rare soundness issue with integer constraints when model generation is
   enabled (OCamlPro/alt-ergo#1025)
 - Support model generation for the ADT theory (OCamlPro/alt-ergo#1093, OCamlPro/alt-ergo#1153)

### Theory reasoning

 - Add word-level propagators for the BV theory (OCamlPro/alt-ergo#944, OCamlPro/alt-ergo#1004, OCamlPro/alt-ergo#1007, OCamlPro/alt-ergo#1010,
   OCamlPro/alt-ergo#1011, OCamlPro/alt-ergo#1012, OCamlPro/alt-ergo#1040, OCamlPro/alt-ergo#1044, OCamlPro/alt-ergo#1054, OCamlPro/alt-ergo#1055, OCamlPro/alt-ergo#1056, OCamlPro/alt-ergo#1057, OCamlPro/alt-ergo#1065, OCamlPro/alt-ergo#1073, OCamlPro/alt-ergo#1144,
   OCamlPro/alt-ergo#1152)
 - Add interval domains and arithmetic propagators for the BV theory (OCamlPro/alt-ergo#1058,
   OCamlPro/alt-ergo#1083, OCamlPro/alt-ergo#1084, OCamlPro/alt-ergo#1085)
 - Native support for bv2nat of bit-vector normal forms (OCamlPro/alt-ergo#1154)
 - Fix incompleteness issues in the BV solver (OCamlPro/alt-ergo#978, OCamlPro/alt-ergo#979)
 - Abstract more arguments of AC symbols to avoid infinite loops when
   they contain other AC symbols (OCamlPro/alt-ergo#990)
 - Do not make irrelevant decisions in CDCL solver, improving
   performance slightly (OCamlPro/alt-ergo#1041)
 - Rewrite the ADT theory to use domains and integrate the enum theory into the
   ADT theory (OCamlPro/alt-ergo#1078, OCamlPro/alt-ergo#1086, OCamlPro/alt-ergo#1087, OCamlPro/alt-ergo#1091, OCamlPro/alt-ergo#1094, OCamlPro/alt-ergo#1138)
 - Rewrite the Intervals module entirely (OCamlPro/alt-ergo#1108)
 - Add maximize/minimize terms for matching (OCamlPro/alt-ergo#1166)
 - Internalize `sign_extend` and `repeat` (OCamlPro/alt-ergo#1192)
 - Run cross-propagators to completion (OCamlPro/alt-ergo#1221)
 - Support binary distinct on arbitrary bit-widths (OCamlPro/alt-ergo#1222)
 - Only perform optimization when building a model (OCamlPro/alt-ergo#1224)
 - Make sure domains do not overflow the default domain (OCamlPro/alt-ergo#1225)
 - Do not build unnormalized values in `zero_extend` (OCamlPro/alt-ergo#1226)

### Internal/library changes

 - Rewrite the Vec module (OCamlPro/alt-ergo#607)
 - Move printer definitions closer to type definitions (OCamlPro/alt-ergo#808)
 - Mark proxy names as reserved (OCamlPro/alt-ergo#836)
 - Use a Zarith-based representation for numbers and bit-vectors (OCamlPro/alt-ergo#850, OCamlPro/alt-ergo#943)
 - Add native support for (bvnot) in the BV solver (OCamlPro/alt-ergo#856)
 - Add constant propagators for partially interpreted functions (OCamlPro/alt-ergo#869)
 - Remove `Util.failwith` in favor of `Fmt.failwith` (OCamlPro/alt-ergo#872)
 - Add more `Expr` smart constructors (OCamlPro/alt-ergo#877, OCamlPro/alt-ergo#878)
 - Do not use existential variables for integer division (OCamlPro/alt-ergo#881)
 - Preserve `Subst` literals to prevent accidental incompleteness (OCamlPro/alt-ergo#886)
 - Properly start timers (OCamlPro/alt-ergo#924)
 - Compute a concrete representation of a model instead of performing (OCamlPro/alt-ergo#925)
 - Allow direct access to the SAT API in the Alt-Ergo library computations
   during printing (OCamlPro/alt-ergo#927)
 - Better handling for step limit (OCamlPro/alt-ergo#936)
 - Add a generic option manager to deal with the dolmen state (OCamlPro/alt-ergo#951)
 - Expose an imperative SAT API in the Alt-Ergo library (OCamlPro/alt-ergo#962)
 - Keep track of the SMT-LIB mode (OCamlPro/alt-ergo#971)
 - Add ability to decide on semantic literals (OCamlPro/alt-ergo#1027, OCamlPro/alt-ergo#1118)
 - Preserve trigger order when parsing quantifiers with multiple trigger
   (OCamlPro/alt-ergo#1046).
 - Store domains inside the union-find module (OCamlPro/alt-ergo#1119)
 - Remove some polymorphic hashtables (OCamlPro/alt-ergo#1219)

### Build and integration

 - Drop support for OCaml <4.08.1 (OCamlPro/alt-ergo#803)
 - Use dune-site for the inequalities plugins. External pluginsm ust now be
   registered through the dune-site plugin mechanism in the
   `(alt-ergo plugins)` site to be picked up by Alt-Ergo (OCamlPro/alt-ergo#1049).
 - Add a release workflow (OCamlPro/alt-ergo#827)
 - Add a Windows workflow (OCamlPro/alt-ergo#1203)
 - Mark the dune.inc file as linguist-generated to avoid huge diffs (OCamlPro/alt-ergo#830)
 - Use GitHub Actions badges in the README (OCamlPro/alt-ergo#882)
 - Use `dune build @check` to build the project (OCamlPro/alt-ergo#887)
 - Enable warnings as errors on the CI (OCamlPro/alt-ergo#888)
 - Uniformization of internal identifiers generation (OCamlPro/alt-ergo#905, OCamlPro/alt-ergo#918)
 - Use an efficient `String.starts_with` implementation (OCamlPro/alt-ergo#912)
 - Fix the Makefile (OCamlPro/alt-ergo#914)
 - Add `Logs` dependency (OCamlPro/alt-ergo#1206)
 - Use `dynamic_include` to include the generated file `dune.inc` (OCamlPro/alt-ergo#1199)
 - Support Windows (OCamlPro/alt-ergo#1184,OCamlPro/alt-ergo#1189,OCamlPro/alt-ergo#1195,OCamlPro/alt-ergo#1199,OCamlPro/alt-ergo#1200)
 - Wrap the library `Alt_ergo_prelude` (OCamlPro/alt-ergo#1223)

### Testing

 - Use --enable-assertions in tests (OCamlPro/alt-ergo#809)
 - Add a test for push/pop (OCamlPro/alt-ergo#843)
 - Use the CDCL solver when testing model generation (OCamlPro/alt-ergo#938)
 - Do not test .smt2 files with the legacy frontend (OCamlPro/alt-ergo#939)
 - Restore automatic creation of .expected files (OCamlPro/alt-ergo#941)

### Documentation

 - Add a new example for model generation (OCamlPro/alt-ergo#826)
 - Add a Pygments lexer for the Alt-Ergo native language (OCamlPro/alt-ergo#862)
 - Update the current authors (OCamlPro/alt-ergo#865)
 - Documentation of the `Enum` theory (OCamlPro/alt-ergo#871)
 - Document `Th_util.lit_origin` (OCamlPro/alt-ergo#915)
 - Document the CDCL-Tableaux solver (OCamlPro/alt-ergo#995)
 - Document Windows support (OCamlPro/alt-ergo#1216)
 - Remove instructions to install Alt-Ergo on Debian (OCamlPro/alt-ergo#1217)
 - Document optimization feature (OCamlPro/alt-ergo#1231)
tjammer pushed a commit to tjammer/opam-repository that referenced this pull request Sep 24, 2024
@bclement-ocp @tjammer
[new release] alt-ergo (4 packages) (2.6.0)
30afd8b 
CHANGES:

### Command-line interface

 - Enable FPA theory by default (OCamlPro/alt-ergo#1177)
 - Remove deprecated output channels (OCamlPro/alt-ergo#782)
 - Deprecate the --use-underscore since it produces models that are not SMT-LIB
   compliant (OCamlPro/alt-ergo#805)
 - Add --dump-models-on to dump models on a specific output channel (OCamlPro/alt-ergo#838)
 - Use consistent return codes (OCamlPro/alt-ergo#842)
 - Add --continue-on-error flag to set the SMT-LIB error behavior (OCamlPro/alt-ergo#853)
 - Make dolmen the default value for the --frontend option (OCamlPro/alt-ergo#857)
 - Restore functionality to broken `--profiling` option (OCamlPro/alt-ergo#947)
 - Add bare-bones support for interactive input in SMT-LIB format (OCamlPro/alt-ergo#949)
 - Less confusing behavior on timeout (OCamlPro/alt-ergo#982, OCamlPro/alt-ergo#984)
 - Add `--strict` option for SMT-LIB compliant mode (OCamlPro/alt-ergo#916, OCamlPro/alt-ergo#1133)
 - Deprecate `sum`, `typing` and `warnings` debug flags (OCamlPro/alt-ergo#1204)

### SMT-LIB support

 - Add support for the many new SMT-LIB commands (OCamlPro/alt-ergo#837, OCamlPro/alt-ergo#848, OCamlPro/alt-ergo#852, OCamlPro/alt-ergo#863, OCamlPro/alt-ergo#911,
   OCamlPro/alt-ergo#942, OCamlPro/alt-ergo#945, OCamlPro/alt-ergo#961, OCamlPro/alt-ergo#975, OCamlPro/alt-ergo#1069)
 - Expose the FPA rounding builtin in the SMT-LIB format (OCamlPro/alt-ergo#876, OCamlPro/alt-ergo#1135)
 - Allow changing the SAT solver using (set-option) (OCamlPro/alt-ergo#880)
 - Add support for the `:named` attribute (OCamlPro/alt-ergo#957)
 - Add support for quoted identifiers (OCamlPro/alt-ergo#909, OCamlPro/alt-ergo#972)
 - Add support for naming lemmas in SMT-LIB syntax (OCamlPro/alt-ergo#1141, OCamlPro/alt-ergo#1143)

### Model generation

 - Use post-solve SAT environment in model generation, fixing issues where
   incorrect models were generated (OCamlPro/alt-ergo#789)
 - Restore support for records in models (OCamlPro/alt-ergo#793)
 - Use abstract values instead of dummy values in models where the
   actual value does not matter (OCamlPro/alt-ergo#804, OCamlPro/alt-ergo#835)
 - Use fresh names for all abstract values to prevent accidental captures (OCamlPro/alt-ergo#811)
 - Add support for model generation with the default CDCL solver (OCamlPro/alt-ergo#829)
 - Support model generation for the BV theory (OCamlPro/alt-ergo#841, OCamlPro/alt-ergo#968)
 - Add support for optimization (MaxSMT / OptiSMT) with
   lexicographic Int and Real objectives (OCamlPro/alt-ergo#861, OCamlPro/alt-ergo#921)
 - Add a SMT-LIB printer for expressions (OCamlPro/alt-ergo#952, OCamlPro/alt-ergo#981, OCamlPro/alt-ergo#1082, OCamlPro/alt-ergo#931, OCamlPro/alt-ergo#932)
 - Ensure models have a value for all constants in the problem (OCamlPro/alt-ergo#1019)
 - Fix a rare soundness issue with integer constraints when model generation is
   enabled (OCamlPro/alt-ergo#1025)
 - Support model generation for the ADT theory (OCamlPro/alt-ergo#1093, OCamlPro/alt-ergo#1153)

### Theory reasoning

 - Add word-level propagators for the BV theory (OCamlPro/alt-ergo#944, OCamlPro/alt-ergo#1004, OCamlPro/alt-ergo#1007, OCamlPro/alt-ergo#1010,
   OCamlPro/alt-ergo#1011, OCamlPro/alt-ergo#1012, OCamlPro/alt-ergo#1040, OCamlPro/alt-ergo#1044, OCamlPro/alt-ergo#1054, OCamlPro/alt-ergo#1055, OCamlPro/alt-ergo#1056, OCamlPro/alt-ergo#1057, OCamlPro/alt-ergo#1065, OCamlPro/alt-ergo#1073, OCamlPro/alt-ergo#1144,
   OCamlPro/alt-ergo#1152)
 - Add interval domains and arithmetic propagators for the BV theory (OCamlPro/alt-ergo#1058,
   OCamlPro/alt-ergo#1083, OCamlPro/alt-ergo#1084, OCamlPro/alt-ergo#1085)
 - Native support for bv2nat of bit-vector normal forms (OCamlPro/alt-ergo#1154)
 - Fix incompleteness issues in the BV solver (OCamlPro/alt-ergo#978, OCamlPro/alt-ergo#979)
 - Abstract more arguments of AC symbols to avoid infinite loops when
   they contain other AC symbols (OCamlPro/alt-ergo#990)
 - Do not make irrelevant decisions in CDCL solver, improving
   performance slightly (OCamlPro/alt-ergo#1041)
 - Rewrite the ADT theory to use domains and integrate the enum theory into the
   ADT theory (OCamlPro/alt-ergo#1078, OCamlPro/alt-ergo#1086, OCamlPro/alt-ergo#1087, OCamlPro/alt-ergo#1091, OCamlPro/alt-ergo#1094, OCamlPro/alt-ergo#1138)
 - Rewrite the Intervals module entirely (OCamlPro/alt-ergo#1108)
 - Add maximize/minimize terms for matching (OCamlPro/alt-ergo#1166)
 - Internalize `sign_extend` and `repeat` (OCamlPro/alt-ergo#1192)
 - Run cross-propagators to completion (OCamlPro/alt-ergo#1221)
 - Support binary distinct on arbitrary bit-widths (OCamlPro/alt-ergo#1222)
 - Only perform optimization when building a model (OCamlPro/alt-ergo#1224)
 - Make sure domains do not overflow the default domain (OCamlPro/alt-ergo#1225)
 - Do not build unnormalized values in `zero_extend` (OCamlPro/alt-ergo#1226)

### Internal/library changes

 - Rewrite the Vec module (OCamlPro/alt-ergo#607)
 - Move printer definitions closer to type definitions (OCamlPro/alt-ergo#808)
 - Mark proxy names as reserved (OCamlPro/alt-ergo#836)
 - Use a Zarith-based representation for numbers and bit-vectors (OCamlPro/alt-ergo#850, OCamlPro/alt-ergo#943)
 - Add native support for (bvnot) in the BV solver (OCamlPro/alt-ergo#856)
 - Add constant propagators for partially interpreted functions (OCamlPro/alt-ergo#869)
 - Remove `Util.failwith` in favor of `Fmt.failwith` (OCamlPro/alt-ergo#872)
 - Add more `Expr` smart constructors (OCamlPro/alt-ergo#877, OCamlPro/alt-ergo#878)
 - Do not use existential variables for integer division (OCamlPro/alt-ergo#881)
 - Preserve `Subst` literals to prevent accidental incompleteness (OCamlPro/alt-ergo#886)
 - Properly start timers (OCamlPro/alt-ergo#924)
 - Compute a concrete representation of a model instead of performing (OCamlPro/alt-ergo#925)
 - Allow direct access to the SAT API in the Alt-Ergo library computations
   during printing (OCamlPro/alt-ergo#927)
 - Better handling for step limit (OCamlPro/alt-ergo#936)
 - Add a generic option manager to deal with the dolmen state (OCamlPro/alt-ergo#951)
 - Expose an imperative SAT API in the Alt-Ergo library (OCamlPro/alt-ergo#962)
 - Keep track of the SMT-LIB mode (OCamlPro/alt-ergo#971)
 - Add ability to decide on semantic literals (OCamlPro/alt-ergo#1027, OCamlPro/alt-ergo#1118)
 - Preserve trigger order when parsing quantifiers with multiple trigger
   (OCamlPro/alt-ergo#1046).
 - Store domains inside the union-find module (OCamlPro/alt-ergo#1119)
 - Remove some polymorphic hashtables (OCamlPro/alt-ergo#1219)

### Build and integration

 - Drop support for OCaml <4.08.1 (OCamlPro/alt-ergo#803)
 - Use dune-site for the inequalities plugins. External pluginsm ust now be
   registered through the dune-site plugin mechanism in the
   `(alt-ergo plugins)` site to be picked up by Alt-Ergo (OCamlPro/alt-ergo#1049).
 - Add a release workflow (OCamlPro/alt-ergo#827)
 - Add a Windows workflow (OCamlPro/alt-ergo#1203)
 - Mark the dune.inc file as linguist-generated to avoid huge diffs (OCamlPro/alt-ergo#830)
 - Use GitHub Actions badges in the README (OCamlPro/alt-ergo#882)
 - Use `dune build @check` to build the project (OCamlPro/alt-ergo#887)
 - Enable warnings as errors on the CI (OCamlPro/alt-ergo#888)
 - Uniformization of internal identifiers generation (OCamlPro/alt-ergo#905, OCamlPro/alt-ergo#918)
 - Use an efficient `String.starts_with` implementation (OCamlPro/alt-ergo#912)
 - Fix the Makefile (OCamlPro/alt-ergo#914)
 - Add `Logs` dependency (OCamlPro/alt-ergo#1206)
 - Use `dynamic_include` to include the generated file `dune.inc` (OCamlPro/alt-ergo#1199)
 - Support Windows (OCamlPro/alt-ergo#1184,OCamlPro/alt-ergo#1189,OCamlPro/alt-ergo#1195,OCamlPro/alt-ergo#1199,OCamlPro/alt-ergo#1200)
 - Wrap the library `Alt_ergo_prelude` (OCamlPro/alt-ergo#1223)

### Testing

 - Use --enable-assertions in tests (OCamlPro/alt-ergo#809)
 - Add a test for push/pop (OCamlPro/alt-ergo#843)
 - Use the CDCL solver when testing model generation (OCamlPro/alt-ergo#938)
 - Do not test .smt2 files with the legacy frontend (OCamlPro/alt-ergo#939)
 - Restore automatic creation of .expected files (OCamlPro/alt-ergo#941)

### Documentation

 - Add a new example for model generation (OCamlPro/alt-ergo#826)
 - Add a Pygments lexer for the Alt-Ergo native language (OCamlPro/alt-ergo#862)
 - Update the current authors (OCamlPro/alt-ergo#865)
 - Documentation of the `Enum` theory (OCamlPro/alt-ergo#871)
 - Document `Th_util.lit_origin` (OCamlPro/alt-ergo#915)
 - Document the CDCL-Tableaux solver (OCamlPro/alt-ergo#995)
 - Document Windows support (OCamlPro/alt-ergo#1216)
 - Remove instructions to install Alt-Ergo on Debian (OCamlPro/alt-ergo#1217)
 - Document optimization feature (OCamlPro/alt-ergo#1231)
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