Murphy Berzish
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6374d63160
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gen_len_val_options_for_free_var() WIP
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2015-11-09 16:11:00 -05:00 |
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Murphy Berzish
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0178872a19
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completed process_free_var(), still WIP
working on gen_len_val_options_for_free_var()
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2015-11-09 15:33:52 -05:00 |
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Murphy Berzish
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a9b8707d48
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possibly found a way to do get_parents()
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2015-11-09 15:14:34 -05:00 |
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Murphy Berzish
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e9b31f2995
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temporarily patched in a get_eqc_allUnroll() implementation
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2015-11-06 14:13:38 -05:00 |
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Murphy Berzish
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ac8b5e6eae
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free variable WIP
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2015-11-06 14:10:18 -05:00 |
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Murphy Berzish
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4a8ee88461
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ctx_dep_analysis() done, final_check() WIP
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2015-11-06 13:43:54 -05:00 |
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Murphy Berzish
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9f01b9dc92
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more progress on model gen (WIP)
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2015-11-04 16:22:06 -05:00 |
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Murphy Berzish
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1f3c5cebbf
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variable classification (WIP)
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2015-10-26 15:43:31 -04:00 |
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Murphy Berzish
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c08f4371f4
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begin model generation, wip
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2015-10-21 21:32:38 -04:00 |
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Murphy Berzish
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3ee8f27588
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possibly fix internalization bug mentioned in #2
(this leads to a not-implemented-yet in final_check_eh()
due to missing code surrounding free variable production)
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2015-10-18 20:20:09 -04:00 |
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Murphy Berzish
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e521ab2c3a
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fix concat_axiom loop in propagate(): compare against size()......
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2015-10-18 19:40:03 -04:00 |
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Murphy Berzish
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b494804c9c
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ignore tests dir
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2015-10-06 19:31:26 -04:00 |
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Murphy Berzish
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6791db64c0
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process_concat_eq_type6
that's the last one!
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2015-10-03 13:34:42 -04:00 |
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Murphy Berzish
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be79723382
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process_concat_eq_type5 wip
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2015-10-03 12:26:30 -04:00 |
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Murphy Berzish
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f7bc785a56
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process_concat_eq_type4, still WIP not tested
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2015-10-03 12:19:55 -04:00 |
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Murphy Berzish
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ff4706dd40
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process_concat_eq_type3
still wip because i'm just trying to get these all done
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2015-10-03 12:07:55 -04:00 |
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Murphy Berzish
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96d99dfb38
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process_concat_eq_type2 implementation, not tested WIP
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2015-10-02 14:05:17 -04:00 |
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Murphy Berzish
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bdf755156c
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fix model generation: don't build interpretations for Length()
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2015-10-01 20:31:40 -04:00 |
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Murphy Berzish
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fb5f3cbc13
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fix greater-than bug
now we just have to tweak model gen for internal variables
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2015-09-30 11:41:55 -04:00 |
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Murphy Berzish
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f8c13792a3
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mark the position of the bug I found so I can recall it later
in process_concat_eq_type1() line 1048
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2015-09-30 09:45:00 -04:00 |
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Murphy Berzish
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5189c24d42
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fix theory of arithmetic complaints about wanting to write A > B
"what could possibly go wrong?"
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2015-09-30 05:45:16 -04:00 |
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Murphy Berzish
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ecb2116927
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fix memory corruption bug caused by invalid use of delete[]
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2015-09-30 05:23:22 -04:00 |
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Murphy Berzish
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e2901fff1e
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fix compilation errors
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2015-09-30 05:21:16 -04:00 |
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Murphy Berzish
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ed7b343822
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detect and process concat eq type 1 (WIP UNTESTED)
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2015-09-30 05:15:14 -04:00 |
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Murphy Berzish
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a62d15403e
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start simplify_concat_eq(), WIP but some cases OK
also fix model generation for concats and nested concats
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2015-09-29 22:31:11 -04:00 |
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Murphy Berzish
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1cdfe159b8
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simplify_concat_equality() and easy cases there
still WIP especially wrt. model generation but what's here does work
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2015-09-29 20:19:43 -04:00 |
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Murphy Berzish
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8ed86d2f19
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add concatenation axiom
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2015-09-29 18:02:05 -04:00 |
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Murphy Berzish
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191c50b529
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fix solve_concat_eq_str() case 4: prefixStr should have been suffixStr
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2015-09-29 17:52:19 -04:00 |
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Murphy Berzish
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2320b6dc48
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solve_concat_eq_str() case 4: somewhat working
something's wrong but it may be very simple to fix
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2015-09-29 17:46:51 -04:00 |
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Murphy Berzish
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f473b92d5c
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solve_concat_eq_str() case 4 WIP
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2015-09-28 17:41:01 -04:00 |
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Murphy Berzish
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871b08bd8c
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solve_concat_eq_str() case 3
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2015-09-28 14:52:43 -04:00 |
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Murphy Berzish
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876af399e3
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probably fix duplication of mk_string() terms
also implement Case 2 of solve_concat_eq_str()
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2015-09-28 14:44:25 -04:00 |
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Murphy Berzish
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9bc685b21d
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solve_concat_eq_str() for concat(const,const) == const
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2015-09-28 10:43:34 -04:00 |
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Murphy Berzish
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62cd633b63
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create helper function theory_str::assert_implication()
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2015-09-28 03:26:46 -04:00 |
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Murphy Berzish
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bccadedfee
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instead of building axiom (=> x y), build (or (not x) y)
this may be a bug in Z3 as it suggests that implications are ignored
e.g. I can assert the axiom (=> true false) and Z3 is okay with this
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2015-09-28 03:20:13 -04:00 |
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Murphy Berzish
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5fe129b571
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use mk_ismt2_pp() instead of mk_bounded_pp()
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2015-09-28 02:09:35 -04:00 |
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Murphy Berzish
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87b5765e3d
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clean up traces and make them much easier to read
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2015-09-28 02:04:35 -04:00 |
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Murphy Berzish
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7da3854a8b
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really lousy model-building, WIP
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2015-09-28 01:56:13 -04:00 |
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Murphy Berzish
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0d54e4e4ae
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implement str_decl_plugin::is_value() and ::is_unique_value()
we can now prove that (= "abc" "def") is unsatisfiable
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2015-09-27 23:57:41 -04:00 |
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Murphy Berzish
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02cb329ca5
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defer equalities uncovered during init_search
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2015-09-27 23:24:41 -04:00 |
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Murphy Berzish
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86e6087718
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starting solve_concat_eq_str(); currently there is an unsoundness bug
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2015-09-27 21:30:45 -04:00 |
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Murphy Berzish
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6481fe941a
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instantiate string-eq length-eq axiom
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2015-09-27 17:48:53 -04:00 |
|
Murphy Berzish
|
114b51dec8
|
only handle equalities in assignments during init_search_eh
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2015-09-27 17:26:52 -04:00 |
|
Murphy Berzish
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91e9cf272a
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assert string axiom 2
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2015-09-27 00:12:04 -04:00 |
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Murphy Berzish
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4085db9990
|
recursive descent through all assertions to discover all String terms
set up axioms on these terms to be asserted during propagation
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2015-09-26 23:35:23 -04:00 |
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Murphy Berzish
|
f6affe64d0
|
deferred addition of basic string axioms
no longer crashes the solver and got our first correct UNSAT!
|
2015-09-26 21:02:56 -04:00 |
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Murphy Berzish
|
4d5a0ea53f
|
WIP add axioms
|
2015-09-26 18:51:02 -04:00 |
|
Murphy Berzish
|
992fff8ba8
|
set up theory of arithmetic correctly
closes #1
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2015-09-10 18:43:14 -04:00 |
|
Murphy Berzish
|
799fd07c85
|
optimization: return integer consts for strlen() over constant strings
|
2015-09-07 19:51:52 -04:00 |
|
Murphy Berzish
|
9b04f1570f
|
instantiate length axiom for concatenation
|
2015-09-07 19:40:25 -04:00 |
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