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