3 * Added and implemented "binary_ints" and "bits" options
4 * Added "std" option and implemented support for nonstandard models
5 * Added and implemented "finitize" option to improve the precision of infinite
6 datatypes based on a monotonicity analysis
7 * Added support for quotient types
8 * Added support for "specification" and "ax_specification" constructs
9 * Added support for local definitions (for "function" and "termination"
11 * Added support for term postprocessors
12 * Optimized "Multiset.multiset" and "FinFun.finfun"
13 * Improved efficiency of "destroy_constrs" optimization
14 * Fixed soundness bugs related to "destroy_constrs" optimization and record
16 * Fixed soundness bug related to higher-order constructors
17 * Added cache to speed up repeated Kodkod invocations on the same problems
18 * Renamed "MiniSatJNI", "zChaffJNI", "BerkMinAlloy", and "SAT4JLight" to
19 "MiniSat_JNI", "zChaff_JNI", "BerkMin_Alloy", and "SAT4J_Light"
20 * Removed "skolemize", "uncurry", "sym_break", "flatten_prop",
21 "sharing_depth", and "show_skolems" options
25 * Moved into Isabelle/HOL "Main"
26 * Renamed "nitpick_const_def" to "nitpick_def", "nitpick_const_simp" to
27 "nitpick_simp", "nitpick_const_psimp" to "nitpick_psimp", and
28 "nitpick_ind_intro" to "nitpick_intro"
29 * Replaced "special_depth" and "skolemize_depth" options by "specialize"
31 * Renamed "coalesce_type_vars" to "merge_type_vars"
32 * Optimized Kodkod encoding of datatypes whose constructors don't appear in
33 the formula to falsify
34 * Added support for codatatype view of datatypes
35 * Fixed soundness bug in the "uncurry" optimization
36 * Fixed soundness bugs related to sets, sets of sets, (co)inductive
37 predicates, typedefs, "finite", "rel_comp", and negative literals
38 * Fixed monotonicity check
39 * Fixed error when processing definitions
40 * Fixed error in "star_linear_preds" optimization
41 * Fixed error in Kodkod encoding of "The" and "Eps"
42 * Fixed error in display of uncurried constants
43 * Speeded up scope enumeration
45 Version 1.2.2 (16 Oct 2009)
47 * Added and implemented "star_linear_preds" option
48 * Added and implemented "format" option
49 * Added and implemented "coalesce_type_vars" option
50 * Added and implemented "max_genuine" option
51 * Fixed soundness issues related to "set", "distinct", "image", "Sigma",
52 "-1::nat", subset, constructors, sort axioms, and partially applied
54 * Fixed error in "show_consts" for boxed specialized constants
55 * Fixed errors in Kodkod encoding of "The", "Eps", and "ind"
56 * Fixed display of Skolem constants
57 * Fixed error in "check_potential" and "check_genuine"
58 * Added boxing support for higher-order constructor parameters
59 * Changed notation used for coinductive datatypes
60 * Optimized Kodkod encoding of "If", "card", and "setsum"
61 * Improved the monotonicity check
63 Version 1.2.1 (25 Sep 2009)
65 * Added explicit support for coinductive datatypes
66 * Added and implemented "box" option
67 * Added and implemented "fast_descrs" option
68 * Added and implemented "uncurry" option
69 * Renamed and generalized "sync_cards" and "inductive_mood" to "mono" and "wf"
70 * Fixed soundness issue related to nullary constructors
71 * Fixed soundness issue related to higher-order quantifiers
72 * Fixed soundness issue related to the "destroy_constrs" optimization
73 * Fixed soundness issues related to the "special_depth" optimization
74 * Added support for PicoSAT and incorporated it with the Nitpick package
75 * Added automatic detection of installed SAT solvers based on naming
77 * Optimized handling of quantifiers by moving them inward whenever possible
78 * Optimized and improved precision of "wf" and "wfrec"
79 * Improved handling of definitions made in locales
80 * Fixed checked scope count in message shown upon interruption and timeout
81 * Added minimalistic Nitpick-like tool called Minipick
83 Version 1.2.0 (27 Jul 2009)
85 * Optimized Kodkod encoding of datatypes and records
86 * Optimized coinductive definitions
87 * Fixed soundness issues related to pairs of functions
88 * Fixed soundness issue in the peephole optimizer
89 * Improved precision of non-well-founded predicates occurring positively in
90 the formula to falsify
91 * Added and implemented "destroy_constrs" option
92 * Changed semantics of "inductive_mood" option to ensure soundness
93 * Fixed semantics of "lockstep" option (broken in 1.1.1) and renamed it
95 * Improved precision of "trancl" and "rtrancl"
96 * Optimized Kodkod encoding of "tranclp" and "rtranclp"
97 * Made detection of inconsistent scope specifications more robust
98 * Fixed a few Kodkod generation bugs
100 Version 1.1.1 (24 Jun 2009)
102 * Added "show_all" option
103 * Fixed soundness issues related to type classes
104 * Improved precision of some set constructs
105 * Fiddled with the automatic monotonicity check
106 * Fixed performance issues related to scope enumeration
107 * Fixed a few Kodkod generation bugs
109 Version 1.1.0 (16 Jun 2009)
111 * Redesigned handling of datatypes to provide an interface baded on "card" and
112 "max", obsoleting "mult"
113 * Redesigned handling of typedefs, "rat", and "real"
114 * Made "lockstep" option a three-state option and added an automatic
116 * Made "batch_size" a (n + 1)-state option whose default depends on whether
118 * Made "debug" automatically enable "verbose"
119 * Added "destroy_equals" option
120 * Added "no_assms" option
121 * Fixed bug in computation of ground type
122 * Fixed performance issue related to datatype acyclicity constraint generation
123 * Fixed performance issue related to axiom selection
124 * Improved precision of some well-founded inductive predicates
125 * Added more checks to guard against very large cardinalities
126 * Improved hit rate of potential counterexamples
127 * Fixed several soundness issues
128 * Optimized the Kodkod encoding to benefit more from symmetry breaking
129 * Optimized relational composition, cartesian product, and converse
130 * Added support for HaifaSat
132 Version 1.0.3 (17 Mar 2009)
134 * Added "HOL-Nominal-Nitpick" as a target in addition to "HOL-Nitpick"
135 * Added "overlord" option to assist debugging
136 * Increased default value of "special_depth" option
137 * Fixed a bug that effectively disabled the "nitpick_const_def" attribute
138 * Ensured that no scopes are skipped when multithreading is enabled
139 * Fixed soundness issue in handling of "The", "Eps", and partial functions
140 defined using Isabelle's function package
141 * Fixed soundness issue in handling of non-definitional axioms
142 * Fixed soundness issue in handling of "Abs_" and "Rep_" functions for "unit",
143 "nat", "int", and "*"
144 * Fixed a few Kodkod generation bugs
145 * Optimized "div", "mod", and "dvd" on "nat" and "int"
147 Version 1.0.2 (12 Mar 2009)
149 * Added support for non-definitional axioms
150 * Improved Isar integration
151 * Added support for multiplicities of 0
152 * Added "max_threads" option and support for multithreaded Kodkodi
153 * Added "blocking" option to control whether Nitpick should be run
154 synchronously or asynchronously
155 * Merged "auto_timeout" and "wellfounded_timeout" into "tac_timeout"
156 * Added "auto" option to run Nitpick automatically (like Auto Quickcheck)
157 * Introduced "auto_timeout" to specify Auto Nitpick's time limit
158 * Renamed the possible values for the "expect" option
159 * Renamed the "peephole" option to "peephole_optim"
160 * Added negative versions of all Boolean options and made "= true" optional
161 * Altered order of automatic SAT solver selection
163 Version 1.0.1 (6 Mar 2009)
165 * Eliminated the need to import "Nitpick" to use "nitpick"
166 * Added "debug" option
167 * Replaced "specialize_funs" with the more general "special_depth" option
168 * Renamed "watch" option to "eval"
169 * Improved parsing of "card", "mult", and "iter" options
170 * Fixed a soundness bug in the "specialize_funs" optimization
171 * Increased the scope of the "specialize_funs" optimization
172 * Fixed a soundness bug in the treatment of "<" and "<=" on type "int"
173 * Fixed a soundness bug in the "subterm property" optimization for types of
175 * Improved the axiom selection for overloaded constants, which led to an
176 infinite loop for "Nominal.perm"
177 * Added support for multiple instantiations of non-well-founded inductive
178 predicates, which previously raised an exception
179 * Fixed a Kodkod generation bug
180 * Altered order of scope enumeration and automatic SAT solver selection
181 * Optimized "Eps", "nat_case", and "list_case"
182 * Improved output formatting
183 * Added checks to prevent infinite loops in axiom selector and constant
186 Version 1.0.0 (27 Feb 2009)