| author | haftmann | 
| Sat, 19 Oct 2019 09:15:41 +0000 | |
| changeset 70903 | c550368a4e29 | 
| parent 63167 | 0909deb8059b | 
| child 74641 | 6f801e1073fa | 
| permissions | -rw-r--r-- | 
| 33197 | 1  | 
(* Title: HOL/Nitpick_Examples/Record_Nits.thy  | 
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Author: Jasmin Blanchette, TU Muenchen  | 
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Copyright 2009-2011  | 
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Examples featuring Nitpick applied to records.  | 
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*)  | 
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section \<open>Examples Featuring Nitpick Applied to Records\<close>  | 
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theory Record_Nits  | 
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imports Main  | 
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begin  | 
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nitpick_params [verbose, card = 1-6, max_potential = 0,  | 
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sat_solver = MiniSat_JNI, max_threads = 1, timeout = 240]  | 
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make Nitpick tests more robust by specifying SAT solver, singlethreading (in Kodkod, not in Isabelle), and higher time limits
 
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record point2d =  | 
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xc :: int  | 
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yc :: int  | 
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lemma "\<lparr>xc = x, yc = y\<rparr> = p\<lparr>xc := x, yc := y\<rparr>"  | 
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nitpick [expect = none]  | 
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sorry  | 
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lemma "\<lparr>xc = x, yc = y\<rparr> = p\<lparr>xc := x\<rparr>"  | 
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nitpick [expect = genuine]  | 
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oops  | 
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lemma "p\<lparr>xc := x, yc := y\<rparr> \<noteq> p"  | 
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nitpick [expect = genuine]  | 
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oops  | 
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lemma "p\<lparr>xc := x, yc := y\<rparr> = p"  | 
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nitpick [expect = genuine]  | 
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oops  | 
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record point3d = point2d +  | 
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zc :: int  | 
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lemma "\<lparr>xc = x, yc = y, zc = z\<rparr> = p\<lparr>xc := x, yc := y, zc := z\<rparr>"  | 
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nitpick [expect = none]  | 
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sorry  | 
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lemma "\<lparr>xc = x, yc = y, zc = z\<rparr> = p\<lparr>xc := x\<rparr>"  | 
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nitpick [expect = genuine]  | 
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oops  | 
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lemma "\<lparr>xc = x, yc = y, zc = z\<rparr> = p\<lparr>zc := z\<rparr>"  | 
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nitpick [expect = genuine]  | 
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oops  | 
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lemma "p\<lparr>xc := x, yc := y, zc := z\<rparr> \<noteq> p"  | 
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nitpick [expect = genuine]  | 
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oops  | 
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lemma "p\<lparr>xc := x, yc := y, zc := z\<rparr> = p"  | 
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nitpick [expect = genuine]  | 
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oops  | 
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record point4d = point3d +  | 
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wc :: int  | 
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lemma "\<lparr>xc = x, yc = y, zc = z, wc = w\<rparr> = p\<lparr>xc := x, yc := y, zc := z, wc := w\<rparr>"  | 
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nitpick [expect = none]  | 
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sorry  | 
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lemma "\<lparr>xc = x, yc = y, zc = z, wc = w\<rparr> = p\<lparr>xc := x\<rparr>"  | 
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nitpick [expect = genuine]  | 
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oops  | 
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lemma "\<lparr>xc = x, yc = y, zc = z, wc = w\<rparr> = p\<lparr>zc := z\<rparr>"  | 
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nitpick [expect = genuine]  | 
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oops  | 
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lemma "\<lparr>xc = x, yc = y, zc = z, wc = w\<rparr> = p\<lparr>wc := w\<rparr>"  | 
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nitpick [expect = genuine]  | 
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oops  | 
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lemma "p\<lparr>xc := x, yc := y, zc := z, wc := w\<rparr> \<noteq> p"  | 
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nitpick [expect = genuine]  | 
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oops  | 
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lemma "p\<lparr>xc := x, yc := y, zc := z, wc := w\<rparr> = p"  | 
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nitpick [expect = genuine]  | 
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oops  | 
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end  |