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author | wenzelm |

Fri, 04 Jul 2014 16:50:57 +0200 | |

changeset 57508 | 19240ff4b02d |

parent 57507 | a609065c9e15 |

child 57509 | cca0db87b653 |

misc tuning for release;

--- a/NEWS Fri Jul 04 15:50:28 2014 +0200 +++ b/NEWS Fri Jul 04 16:50:57 2014 +0200 @@ -223,29 +223,6 @@ * Qualified String.implode and String.explode. INCOMPATIBILITY. -* Adjustion of INF and SUP operations: - - Elongated constants INFI and SUPR to INFIMUM and SUPREMUM. - - Consolidated theorem names containing INFI and SUPR: have INF and - SUP instead uniformly. - - More aggressive normalization of expressions involving INF and Inf - or SUP and Sup. - - INF_image and SUP_image do not unfold composition. - - Dropped facts INF_comp, SUP_comp. - - Default congruence rules strong_INF_cong and strong_SUP_cong, with - simplifier implication in premises. Generalize and replace former - INT_cong, SUP_cong - -INCOMPATIBILITY. - -* Swapped orientation of facts image_comp and vimage_comp: - - image_compose ~> image_comp [symmetric] - image_comp ~> image_comp [symmetric] - vimage_compose ~> vimage_comp [symmetric] - vimage_comp ~> vimage_comp [symmetric] - -INCOMPATIBILITY. - * Simplifier: Enhanced solver of preconditions of rewrite rules can now deal with conjunctions. For help with converting proofs, the old behaviour of the simplifier can be restored like this: declare/using @@ -368,6 +345,83 @@ INCOMPATIBILITY. +* New internal SAT solver "cdclite" that produces models and proof +traces. This solver replaces the internal SAT solvers "enumerate" and +"dpll". Applications that explicitly used one of these two SAT +solvers should use "cdclite" instead. In addition, "cdclite" is now +the default SAT solver for the "sat" and "satx" proof methods and +corresponding tactics; the old default can be restored using "declare +[[sat_solver = zchaff_with_proofs]]". Minor INCOMPATIBILITY. + +* SMT module: A new version of the SMT module, temporarily called +"SMT2", uses SMT-LIB 2 and supports recent versions of Z3 (e.g., +4.3). The new proof method is called "smt2". CVC3 and CVC4 are also +supported as oracles. Yices is no longer supported, because no version +of the solver can handle both SMT-LIB 2 and quantifiers. + +* Activation of Z3 now works via "z3_non_commercial" system option +(without requiring restart), instead of former settings variable +"Z3_NON_COMMERCIAL". The option can be edited in Isabelle/jEdit menu +Plugin Options / Isabelle / General. + +* Sledgehammer: + - Z3 can now produce Isar proofs. + - MaSh overhaul: + . New SML-based learning engines eliminate the dependency on + Python and increase performance and reliability. + . MaSh and MeSh are now used by default together with the + traditional MePo (Meng-Paulson) relevance filter. To disable + MaSh, set the "MaSh" system option in Isabelle/jEdit Plugin + Options / Isabelle / General to "none". + - New option: + smt_proofs + - Renamed options: + isar_compress ~> compress + isar_try0 ~> try0 + +INCOMPATIBILITY. + +* Removed solvers remote_cvc3 and remote_z3. Use cvc3 and z3 instead. + +* Nitpick: + - Fixed soundness bug whereby mutually recursive datatypes could + take infinite values. + - Fixed soundness bug with low-level number functions such as + "Abs_Integ" and "Rep_Integ". + - Removed "std" option. + - Renamed "show_datatypes" to "show_types" and "hide_datatypes" to + "hide_types". + +* Metis: Removed legacy proof method 'metisFT'. Use 'metis +(full_types)' instead. INCOMPATIBILITY. + +* Try0: Added 'algebra' and 'meson' to the set of proof methods. + +* Adjustion of INF and SUP operations: + - Elongated constants INFI and SUPR to INFIMUM and SUPREMUM. + - Consolidated theorem names containing INFI and SUPR: have INF and + SUP instead uniformly. + - More aggressive normalization of expressions involving INF and Inf + or SUP and Sup. + - INF_image and SUP_image do not unfold composition. + - Dropped facts INF_comp, SUP_comp. + - Default congruence rules strong_INF_cong and strong_SUP_cong, with + simplifier implication in premises. Generalize and replace former + INT_cong, SUP_cong + +INCOMPATIBILITY. + +* SUP and INF generalized to conditionally_complete_lattice. + +* Swapped orientation of facts image_comp and vimage_comp: + + image_compose ~> image_comp [symmetric] + image_comp ~> image_comp [symmetric] + vimage_compose ~> vimage_comp [symmetric] + vimage_comp ~> vimage_comp [symmetric] + +INCOMPATIBILITY. + * Theory reorganization: split of Big_Operators.thy into Groups_Big.thy and Lattices_Big.thy. @@ -440,47 +494,6 @@ INCOMPATIBILITY. -* New internal SAT solver "cdclite" that produces models and proof -traces. This solver replaces the internal SAT solvers "enumerate" and -"dpll". Applications that explicitly used one of these two SAT -solvers should use "cdclite" instead. In addition, "cdclite" is now -the default SAT solver for the "sat" and "satx" proof methods and -corresponding tactics; the old default can be restored using "declare -[[sat_solver = zchaff_with_proofs]]". Minor INCOMPATIBILITY. - -* SMT module: A new version of the SMT module, temporarily called -"SMT2", uses SMT-LIB 2 and supports recent versions of Z3 (e.g., -4.3). The new proof method is called "smt2". CVC3 and CVC4 are also -supported as oracles. Yices is no longer supported, because no version -of the solver can handle both SMT-LIB 2 and quantifiers. - -* Sledgehammer: - - Z3 can now produce Isar proofs. - - MaSh overhaul: - . New SML-based learning engines eliminate the dependency on - Python and increase performance and reliability. - . MaSh and MeSh are now used by default together with the - traditional MePo (Meng-Paulson) relevance filter. To disable - MaSh, set the "MaSh" system option in Isabelle/jEdit Plugin - Options / Isabelle / General to "none". - - New option: - smt_proofs - - Renamed options: - isar_compress ~> compress - isar_try0 ~> try0 - -INCOMPATIBILITY. - -* Metis: Removed legacy proof method 'metisFT'. Use 'metis -(full_types)' instead. INCOMPATIBILITY. - -* Try0: Added 'algebra' and 'meson' to the set of proof methods. - -* Activation of Z3 now works via "z3_non_commercial" system option -(without requiring restart), instead of former settings variable -"Z3_NON_COMMERCIAL". The option can be edited in Isabelle/jEdit menu -Plugin Options / Isabelle / General. - * Abolished slightly odd global lattice interpretation for min/max. Fact consolidations: @@ -604,8 +617,6 @@ or the brute way with "simp add: diff_conv_add_uminus del: add_uminus_conv_diff". -* SUP and INF generalized to conditionally_complete_lattice. - * Introduce bdd_above and bdd_below in theory Conditionally_Complete_Lattices, use them instead of explicitly stating boundedness of sets. @@ -723,17 +734,6 @@ INCOMPATIBILITY. -* Removed solvers remote_cvc3 and remote_z3. Use cvc3 and z3 instead. - -* Nitpick: - - Fixed soundness bug whereby mutually recursive datatypes could - take infinite values. - - Fixed soundness bug with low-level number functions such as - "Abs_Integ" and "Rep_Integ". - - Removed "std" option. - - Renamed "show_datatypes" to "show_types" and "hide_datatypes" to - "hide_types". - * Theory Lubs moved HOL image to HOL-Library. It is replaced by Conditionally_Complete_Lattices. INCOMPATIBILITY.