| author | wenzelm |
| Tue, 20 Nov 2012 22:52:04 +0100 | |
| changeset 50136 | a96bd08258a2 |
| parent 48812 | 9509fc5485b2 |
| child 54633 | 86e0b402994c |
| 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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header {* Examples Featuring Nitpick Applied to Records *}
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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\<emdash>6, max_potential = 0, |
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raised timeouts further, for SML/NJ -- because of variations in machines/compilers, fixed timeouts can merely prevent non-termination, not enforce particular performance characteristics.
krauss
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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
blanchet
parents:
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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 |