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3142 commits

Author SHA1 Message Date
Nikolaj Bjorner 611c14844d fix #3194, remove euclidean solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-08 16:05:13 +01:00
Nikolaj Bjorner 9b3c844c2a fix #3209 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-08 15:23:20 +01:00
Nikolaj Bjorner 44104a5cce fix #3198 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-08 14:03:46 +01:00
Nikolaj Bjorner 7452e55698 fix #3190 fix #3168 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-08 12:54:03 +01:00
Nikolaj Bjorner bdd66e1fa0 fix #3180 fix #3181 #3184 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-07 12:13:43 +01:00
Nikolaj Bjorner f501380e89 fix #3169 - set cancellation timeout and limit during push. Also expose internalization outside of scope that disables cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-06 23:36:04 +01:00
Nikolaj Bjorner ca4a78f2ab fix #3150 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-05 10:13:04 +01:00
Nikolaj Bjorner 153d0661fe fix #3141 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-05 07:57:21 +01:00
Nikolaj Bjorner b8f076a072 fix #3121 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-03 12:59:14 -08:00
Nikolaj Bjorner 794c09425e check also for offset #3099 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-02 20:58:04 -08:00
Nikolaj Bjorner 2edab50f53 fix #3099 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-02 20:54:20 -08:00
Lev Nachmanson e56a5787dc remove a too strict debug check and fix a bug in intervals on terms 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-02 19:47:17 -08:00
Murphy Berzish 6ec9f9112c z3str3: fix value cex in int.to.str model construction 2020-03-02 18:16:36 -08:00
Murphy Berzish 069a5fba16 z3str3: improve implementation of int.to.str reduction 2020-03-02 18:16:36 -08:00
Murphy Berzish 8881084449 z3str3: reduce int-to-string in bitvector model construction 2020-03-02 18:16:36 -08:00
Nikolaj Bjorner ad6062cd9e disable unsound code to fix #3100 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-01 12:50:00 -08:00
Murphy Berzish 01299dacbf z3str3: check relevancy of subformulas for negated non-relevant formulas in bitvector model construction 2020-02-27 20:27:33 -08:00
Murphy Berzish f18bd7bf08 z3str3: refactoring to str.indexof axioms 2020-02-27 20:27:33 -08:00
Nikolaj Bjorner 11199619a5 prepare for throttling gcd test and patching based on cost/success ratio 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-26 19:02:56 -08:00
Nikolaj Bjorner 833b54a12c fix dotnet build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-26 09:44:21 -08:00
Nikolaj Bjorner 915ff38f97 fix #3089 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-26 09:28:45 -08:00
Nikolaj Bjorner afa34a1c12 fix #3087 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-25 12:58:45 -08:00
Nikolaj Bjorner 198622b61a fix #3081 fix #3075 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-25 02:18:01 -08:00
Nikolaj Bjorner e1ece7e968 CTRACE 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-24 20:24:42 -08:00
Nikolaj Bjorner b68efe44af fix fix 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-23 12:28:15 -08:00
Murphy Berzish f604fad779 z3str3: fix negated str.contains, add reduction for str.at 2020-02-20 11:46:29 -10:00
Nikolaj Bjorner 8b97e26fd7 cut fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-20 09:55:17 -08:00
Nikolaj Bjorner 44a79d05c8 debugging cuts 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-19 06:45:23 -08:00
Nikolaj Bjorner 006caea5ba fix #3042 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-18 23:11:45 -08:00
Nikolaj Bjorner 953ea7c880 fix #3044 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-18 23:08:59 -08:00
Nikolaj Bjorner 2882a6708e fix #2957 - arrays are treated as values 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-18 16:35:13 -08:00
Nikolaj Bjorner 559c3ca012 fix #3035 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-18 10:46:25 -10:00
Murphy Berzish 698e2ffb0b z3str3: small refactoring to previous commit 2020-02-18 08:57:06 -10:00
Murphy Berzish b4acd44d5e z3str3: fix crash in model construction when a variable has an impossible length assignment 2020-02-18 08:57:06 -10:00
Murphy Berzish da8182419b z3str3: fix indexof out-of-bounds axiom terms 2020-02-18 08:57:06 -10:00
Murphy Berzish 85fd139c7f z3str3: assert precondition for regex linearity axiom 2020-02-13 18:19:24 -08:00
Murphy Berzish 0146259ea4 z3str3: fix control flow and return paths in regex model construction 2020-02-12 12:03:34 -08:00
Nikolaj Bjorner bbce6bfa07 fix #2980 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-11 22:43:00 -08:00
Nikolaj Bjorner 4f33c123c9 add placeholder 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-11 20:31:05 -08:00
Nikolaj Bjorner d02d90dab2 add assert to catch bad lemmas 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-11 20:00:48 -08:00
Nikolaj Bjorner ba2f587c26 rm eq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-11 18:39:32 -08:00
Murphy Berzish 8d3ed19981 z3str3: loop and trace cleanup 2020-02-11 12:37:42 -08:00
Nikolaj Bjorner 1371526062 fix build break 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-10 16:15:21 -08:00
Lev Nachmanson ad55f61580 roll back the defaults of invoking the nla_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-02-10 13:35:33 -08:00
Nikolaj Bjorner f1abc71c35 fix #2962 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-10 11:44:10 -08:00
Lev Nachmanson 26eb23c05b move lp_params to smt_params_helper 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-02-10 11:25:54 -08:00
Lev Nachmanson 514c3d7a3b move the content of nla_params.pyg to smt_params_helper.pyg 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-02-10 11:08:35 -08:00
Lev Nachmanson e2514a2b19 make nla_solver the default 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-02-10 10:22:05 -08:00
Nikolaj Bjorner d770b5135d fix build warnings for theory_str_mc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-10 09:02:14 -08:00
Murphy Berzish 524434cfbb z3str3: pass correct subterm to negative regex model construction 2020-02-09 20:40:43 -08:00
Nikolaj Bjorner bc75e08a52 fix #2943 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-09 15:48:53 -08:00
Nikolaj Bjorner 1ef83351cb fix #2963 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-09 12:32:11 -08:00
Nikolaj Bjorner 3f1f4e0f67 remove pragma once from cpp 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-08 15:41:13 -08:00
Nikolaj Bjorner f29b455611 fix #2949 fix #2955 experiment with cut selection 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-08 10:34:14 -08:00
Nikolaj Bjorner 140926e7c0 move assume eqs until __after__ other checks, big perf regression 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-07 20:23:27 -08:00
Nikolaj Bjorner d22ad5e819 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-07 19:43:58 -08:00
Nikolaj Bjorner d5dfe07203 warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-07 19:42:44 -08:00
Nikolaj Bjorner b2c265496e dbg 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-07 19:41:50 -08:00
Nikolaj Bjorner 02b074e28b compile constraints during internalization 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-07 19:28:17 -08:00
Lev Nachmanson bbfcd00627 experiment with branching 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-02-07 15:40:33 -08:00
Lev Nachmanson 6027224e34 do not throttle lp bound propagation 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-02-07 14:21:11 -08:00
Nikolaj Bjorner 8c016abb12 build issues 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-07 11:16:57 -08:00
Nikolaj Bjorner 88374a15d0 build errors/warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-07 10:09:10 -08:00
Nikolaj Bjorner a59745c2f2 isolate constraints in a constraint_set 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-07 09:13:40 -08:00
Murphy Berzish 4535228fe2 z3str3: mk_value searches equivalence class of terms for candidate model variables 2020-02-06 21:43:23 -08:00
Murphy Berzish 69cab61de3 z3str3: fix str.contains bitvector reduction 2020-02-06 21:43:23 -08:00
Murphy Berzish 883c5df109 z3str3: regex automata in bitvector model construction 2020-02-06 21:43:23 -08:00
Murphy Berzish 237adbf40c z3str3: ensure top-level free variables always participate in model construction 2020-02-06 21:43:23 -08:00
Murphy Berzish 812049ca4a z3str3: ignore non-relevant formulas in bitvector model construction 2020-02-06 21:43:23 -08:00
Murphy Berzish cf3f271f5b z3str3: add smt.str.fixed_length_naive_cex option for naive length-based counterexamples 2020-02-06 21:43:23 -08:00
Murphy Berzish c1e7d7788e z3str3: refactor bv-mc to separate file 2020-02-06 21:43:23 -08:00
Murphy Berzish 5a9a173c5f z3str3: move bitvector model construction to theory_str_mc 2020-02-06 21:43:23 -08:00
Murphy Berzish faf3934749 z3str3: add bitvector model construction algorithm 2020-02-06 21:43:23 -08:00
Nikolaj Bjorner ff6b3304f8 remove incorrect assertions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-06 17:40:30 -08:00
Nikolaj Bjorner 200f47369d some micro tuning 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-06 16:58:25 -08:00
Nikolaj Bjorner 8b23a1701a move flatten functionality to asserted_formulas, sort variables in lut_finder 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-06 09:16:23 -08:00
Nikolaj Bjorner b2a6c30100 warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-06 01:43:49 -08:00
Nikolaj Bjorner 459df32211 supress more assumptions on reference counts 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-05 20:55:44 -08:00
Nikolaj Bjorner 58cc69ca61 change assert to conditional code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-05 20:53:19 -08:00
Nikolaj Bjorner 7714bff6b2 simplify condition 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-05 19:49:12 -08:00
Nikolaj Bjorner 3ef05ced2f tuning 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-05 19:36:07 -08:00
Nikolaj Bjorner f1c8754527 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-05 12:46:08 -08:00
Nikolaj Bjorner 2d59b81353 delay evaluation of model, throttle propagation, introduce LUT results into cutset 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-05 12:33:42 -08:00
Nikolaj Bjorner 7b2f6791bc bp 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-05 07:10:23 -08:00
Nikolaj Bjorner 566d3070fa enable parallel under scopes, preview in sequential mode before incurrring copy overhead 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-04 20:26:42 -08:00
Nikolaj Bjorner 3da3b41786 ensure parallel mode works under push/pop 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-04 19:22:28 -08:00
Nikolaj Bjorner 69ca840ceb na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-04 16:13:32 -08:00
Lev Nachmanson c562a1f883 remove debug code and improve printing 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-02-04 16:08:24 -08:00
Lev Nachmanson 0d95c780d1 remove an unnecessary check 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-02-04 14:51:15 -08:00
Nikolaj Bjorner 876bd80bea fix model generation for underspecified operators in theory_lra 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-04 14:07:24 -08:00
Nikolaj Bjorner cc5971ceaf fix #2936 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-04 13:50:10 -08:00
Lev Nachmanson 06173aa4d7 do not use nl variables in random_update() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-02-04 11:51:37 -08:00
Nikolaj Bjorner 3ab7477663 fix #2920 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-04 10:20:44 -08:00
Nuno Lopes 506fbf9672 fix #2933: soundness issue in dom-simplify with (or foo true) 2020-02-04 14:05:12 +00:00
Nikolaj Bjorner 32968fa41c fix #2935 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-03 19:57:20 -08:00
Nikolaj Bjorner 7a946fd9d0 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-03 18:56:20 -08:00
Nikolaj Bjorner 47cdb5f46e fix #2913 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-03 09:14:23 -08:00
Nikolaj Bjorner 18280a9737 fix #2928 - test case is actually abuse of qe2. It is reasonable for qe2 to assume that simplify was applied first 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-03 08:43:45 -08:00
Nikolaj Bjorner 18df6ce1fe remove stdout print 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-03 08:19:34 -08:00
Nikolaj Bjorner 28c827fb69 fix #2919 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-02 14:49:35 -08:00
Nikolaj Bjorner b0a28160f7 fix #2921 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-02 10:35:06 -08:00
Nikolaj Bjorner 805ac745e9 fix #2902 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-01 18:51:17 -08:00
Nikolaj Bjorner be95ea121b fix #2912 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-01 17:32:19 -08:00
Nikolaj Bjorner 321329d77c fix #2910 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-01 14:31:13 -08:00
Nikolaj Bjorner 7df8d17639 move in assumptions to loop 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-01 10:59:48 -08:00
Nikolaj Bjorner 75fb25a06c add randomization to lookahead selection' 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-01 10:48:43 -08:00
Nikolaj Bjorner 615da0e3fb move remove thread unsafe increment to num_iterations, use num_rounds 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-01 10:38:24 -08:00
Nikolaj Bjorner ece041baf8 randomize branch direction (outside of int_solver for now) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-01 10:32:49 -08:00
Nikolaj Bjorner 1e92165690 branch selection updates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-01 10:19:27 -08:00
Nikolaj Bjorner 74fc8cfde7 combine PS_THEORY with cache on/off mode 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-01 09:50:00 -08:00
Nuno Lopes 3ec7146ec8 attempt to fix build 2020-02-01 10:52:16 +00:00
Nikolaj Bjorner 9fab72b3ef fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-31 22:20:25 -08:00
Nikolaj Bjorner 5f89ead54b adding t-smt 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-31 17:08:53 -08:00
Nikolaj Bjorner 5f2720562b adding threads to smt core 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-31 17:08:53 -08:00
Nikolaj Bjorner d4a24aff1e local 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-31 17:08:52 -08:00
Nuno Lopes d2fc88d675 fix debug build 2020-01-31 17:30:13 +00:00
Nuno Lopes d79692b185 remove unused file & hide a few symbols 2020-01-31 17:13:28 +00:00
Lev Nachmanson 35aa98436f fix term columns after rounding in cube() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-30 14:29:36 -08:00
Nuno Lopes eece2f4d49 remove unused vars 2020-01-30 15:30:14 +00:00
Nikolaj Bjorner ff5bdd6f1f speed up freedom interval computation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 15:21:39 -08:00
Lev Nachmanson 75d1e8e929 return l_undef in get_phase() if lpvar is not available 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 12:06:56 -08:00
Nikolaj Bjorner f161bdaf8f fix #2898 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:30:57 -08:00
Lev Nachmanson d3a4b7c44b correct handling of int terms in theory_lra 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 052814d165 NB fix in theory_lra mk_bound 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson fd1e0e4d80 fixes for mixed case 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 0e86c567cc prepare the mixed case 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson b577544830 make grobner quota a parameter 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 00e1049ff2 move some grobner settings to pdd_solver.m_config 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson bb6511b425 add parameters to control grobner's explosure 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson d1e9998332 add a config parameter to grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson a83425bec6 clean up a trace statement 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 11995e58f4 clean up a trace statement 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 20af3dd675 add options to substitute vars in Horner and Grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 496a8c17aa remove nex grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 2334ed5b66 disable nex grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson aafdab65bd fix the build and extend options to run grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 7eb1affc7b after rebasing with Z3Prover 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 48f7e69d0e only run grobner when horner fails, introduce concat instead copy 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner 0535e24dd1 consolidate parameters, add comment (#102) 
* updates

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* code review of nla_intervals: combine functionality

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* tidy

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* formatting

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* add comments

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* merge issue

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* tired of looking at compiler warning

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 882b8ee63b NB's review 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 9ecae4abad revert changes in smt directory 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 21d9875239 integrating changes of Nikolaj with m_empty_clause etc. 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson f939a26c86 integrating changes of Nikolaj with m_empty_clause etc. 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 87d7ce69e3 add trace statement and a fix change in pick_next() - choosing a smaller monomial 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 69c89426da port Grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 4a87ca8b92 remove m_lc field from equation 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson f5c8ead995 port Grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 3e0cf4b96d port Grobner: fixes in nex simplifications 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson e8b6b870ac port grobner basis functionality 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson a0bdb8135d rename monomial to monic 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson cc5a12c5c7 port grobner basis 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 490672a5ba start porting grobner basis functionality 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 36380463d7 start porting grobner basis functionality 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 35efdc9852 start porting grobner basis functionality 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 7386b7d68d start porting grobner basis functionality 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 248e3e092a start porting grobner basis functionality 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 26b4294bce start porting grobner basis functionality 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 06dbc623c7 start porting grobner basis functionality 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson bfcfc517fe add stubs to the nla_grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson f4e7002ea3 forgotten changes after a rebase 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson bf79d93d51 limit the row length in horner's scheme 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 5435942228 add statistics on horner's heuristic 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson dfe0e85629 toward fetching existing terms intervals from lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 4ef7bf2bf6 fixes in the interval multiplication 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 8eaa2bfb02 sort nla_expr 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 97ef190f4f full recursion on horner, not finished 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 73e63e1ad9 fix a bug in nla_intervals 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 8258e2a8fd generate lemmas from nla_intervals 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 6a6cb3822c before getting explanations for monomials upper and low bounds 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 9c18ede687 hook up nla_solver it lp bound propagation 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 33cbd29ed0 mv util/lp to math/lp 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson b6513b8e2d fix the merge 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson df5f3f9722 debug tangent lemmas 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson e49dbbe465 fix ordered lemma 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 54ba889b7b debug order lemma, introduce sign for factors 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 218e155603 fix feasibility tracking in lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner e234bede4c fixes (#96) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson b32f2703d4 fix in emonomials 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 8cdf754990 debug emons 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson be5170fc3b hook up more lp_params 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson c9f2f6f110 Forgotten file 2020-01-28 10:04:21 -08:00
Lev Nachmanson a323eaf1c8 add some nla statistics generate not more than one pl lemma an a rm monomial 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 09152013b3 var_eqs compiles but broken 2020-01-28 10:04:21 -08:00
Lev Nachmanson 0dcebde060 replace s() to lp() it theory_lra 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 1abb109faf move the indices housekeeping from theory_lra to lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 76e1aeb2bb move the indices housekeeping from theory_lra to lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 63e62ec1bb stronger lemmas to avoid branching 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson b2943c34f1 create class lemma 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 34137cfa0a a bug fix in internalize_atom, by NB 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 9aca3bc239 change the signature of nla_solver::check() to accept lemma and explanation as vectors 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 0d5ca4edfe more efficient sign lemma 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 3192db64a1 Nikolaj's changes is mk_eq 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev f3f9372eac fixes after the rebase 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 54f447d118 change the signature of int_solver::check by adding explanation* parameter 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 23a7e5e302 a bug fix for handling infeasibilities created in add_var_bound() 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 2993453798 remove explanation.reset() and fixes in add_var_bound() 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 1d51c5689e roll back add_var api 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 4fa38b5aa2 process conflicts immediately aftep add_var_bound() 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev c9be7b89c1 change the add_var_bound() signature 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 1c8f28c2e9 check m.canceled() more often 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev efeeabe127 check the lar_solver status more often 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson c95f2a5bc6 Nikolaj's fix for constants 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev ca5666cabd add diagnostics for registering vars in lar_solver 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 025e4b90ca add a constant to the context trail 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev fde1cd23d5 small changes 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson c1e0c79a69 integrating Nikolaj's changes 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 1ed9639898 Nikolaj's changes 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev ee2aed38e8 switch pos ( sign) when creating literals for EQ and NE 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner 545bfff827 take coefficient into account (#87) 
* take coefficient into account

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* take coefficient into account

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Lev a82316a172 rebase with z3prover 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev d301a9c403 rebase with z3prover 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 96aaa8638e rename niil to nla 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 56ae577c97 rename the files 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev c09c944922 rebase with upstream 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 0be5fc5693 revert to a previous state: avoid adding branches for free vars when creating a gomory cut 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner 2b18627fa1 fix assertions (#83) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner d913a55dfb reset m_explanation (#82) 
* reset m_explanation

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* streamline handling of m_explanation

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 064cf9e983 allow gomory cut for a row with free non-basic vars 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson de4a2b3ea7 compiles and runs, need to restore niil_solver.cpp later 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner 0d9aff9834 added bounds (#81) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner 64ecefdf07 tinker with bound atom (#80) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner a9a45b7b47 change conflict to th_axiom (#78) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 10871ad76e towards basic newtral check 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 08d891891e handle unsorted monomials 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner 88ea90fbb9 handle output from niil_solver (#77) 
* handle output from niil_solver

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* add proper equality handling

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 49ae42cebd produce the first lemma in niil_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 0911fc2bda use explanation.h for conflict explanations everywhere 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 31d44471a1 remove some warnings 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 92b5a9b134 work on niil 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson a86601f7d2 work on niil_solver::check() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson b6f07e2a23 roll back changes in get_model 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 0dbe8982ce simplify lar_solver::get_model 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev fa5d10b6dd work on switcher 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 253facff46 work on switcher 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 032a4efdb6 work on switcher 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev a5c62bfcc4 preparing niil files 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev c979c694f6 remove an unused method 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner ee62f83131 fix #2892 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-27 20:59:02 -08:00
Nikolaj Bjorner d12523e4c0 fix #2883 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-27 08:57:16 -08:00
Nikolaj Bjorner 3774d6d405 fix #2890 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-26 17:59:52 -08:00
Nikolaj Bjorner 5497022f5c fix #2877 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-24 17:56:23 -06:00
Nikolaj Bjorner ce0ccc2e9e fix #2860 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-24 16:33:57 -06:00
Lev Nachmanson 4ba4d41346 track rounded columns in lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-23 17:21:55 -06:00
Nikolaj Bjorner f9917edf6c fix #2879. relax benign restriction on eq propagation justification 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-23 14:00:14 -06:00
Nikolaj Bjorner 794aafa6f8 fix warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-23 12:14:34 -06:00
Nikolaj Bjorner 6321dabe93 fix #2869 fix #2878 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-23 10:59:33 -06:00
Nikolaj Bjorner 55f62fcaed fix #2865 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-22 16:16:44 -06:00
Nikolaj Bjorner 0ab107dcb5 revert fix for #2865 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-22 15:06:20 -06:00
Nikolaj Bjorner da2f5cc362 remove spurious out 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-21 14:18:49 -06:00
Nikolaj Bjorner d3b105f9f8 move out sign 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-20 16:22:38 -06:00
Christoph M. Wintersteiger 321bad2c84
Fix for implicit consts in FPA models. Fixes #2865. 2020-01-20 17:06:35 +00:00
Murphy Berzish 509cad9c9a z3str3: refactoring, move legacy model construction code into theory_str_mc 2020-01-14 16:13:25 -08:00
Christoph M. Wintersteiger 77689ed002
Fix term-ite models in theory_fpa. Fixes #2857. 2020-01-13 19:24:48 +00:00
Nikolaj Bjorner ba292346ae some more string perf profiling 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-12 22:11:00 -08:00
Nikolaj Bjorner ab5905cf7f some adjustments for stack use on large strings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-12 22:08:24 -08:00
Nikolaj Bjorner e8cfbb41d3 missing length constraint for at fixes #2852 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-12 17:22:59 -08:00
Nikolaj Bjorner 78a1736bd2 prepare symbols to be more abstract, update mbi, delay initialize some modules 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-10 12:02:08 -08:00
Nuno Lopes 0b14f1b6f6 fix crash when propagating equalities over arrays with lambdas 2020-01-10 16:04:58 +00:00
Lev Nachmanson 1fff7bb51d use u_map in lar_term 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2019-12-30 20:31:36 -08:00
Nikolaj Bjorner 3b16f129bb fix #2803 2019-12-29 21:30:59 -08:00
Nikolaj Bjorner 991e587950 User performs some parameter sweep for Christmas, ho ho ho 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-25 21:23:21 -08:00
Nikolaj Bjorner 78feac4465 different kind of loop 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-23 19:36:13 -08:00
Nikolaj Bjorner 38f74297a9 seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-23 15:30:06 -08:00
Nikolaj Bjorner 918846a97e fix #2814 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-20 16:35:38 -08:00
Nikolaj Bjorner d2108ad043 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-20 15:42:30 -08:00
Nikolaj Bjorner cb21f70cc3 fix #2813 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-20 15:42:03 -08:00
Nikolaj Bjorner c560ee54e8 fix #2802 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-13 13:02:58 -08:00
Nikolaj Bjorner a069b65669 fix #2797 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-11 01:42:28 -08:00
Nikolaj Bjorner ec39d84f57 remove empty clause feature 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-10 20:19:59 -08:00
Nikolaj Bjorner c839f58276 fix #2796 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-10 15:37:40 -08:00
Nikolaj Bjorner 4b22ff2d3b empty clause handling 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-10 02:45:40 -08:00
Nikolaj Bjorner 04df77e89d revert empty clause handling 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-10 02:40:38 -08:00
Nikolaj Bjorner 5cecd986e2 track empty clause during pop 
If a theory solver creates the empty clause it gets dropped during pop.
By maintaining a variable m_empty_clause, the solver ensures that it retains the information that the search state is inconsistent.
 2019-12-09 11:10:37 +03:00
Nikolaj Bjorner a2aab76c22 fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-07 11:02:25 +03:00
Nikolaj Bjorner 3fa3c8bf76 fix #2788 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-07 09:46:33 +03:00
Nikolaj Bjorner 8eb2356b68 fix #2787 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-07 09:03:36 +03:00
Murphy Berzish e5ca451a02 z3str3: remove unused str_eq_todo worklist 2019-12-05 01:51:16 +03:00
Murphy Berzish 32e5c6ffd1 z3str3: missed instance of rewrite-then-assert 2019-12-05 01:51:16 +03:00
Nikolaj Bjorner 7e415c1b69 update to logging 2019-12-04 23:08:41 +03:00
Nikolaj Bjorner 20754bc72d fix #2768 2019-12-04 23:08:03 +03:00
Nikolaj Bjorner f646c9ac11 fix #2780 2019-12-04 10:45:17 +03:00
Nikolaj Bjorner 3d874313d3 fix #2782 2019-12-04 10:31:02 +03:00
Nikolaj Bjorner 2f6a9ba39b na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-03 20:34:56 +01:00
Nikolaj Bjorner eec153bb57 fix #2779 2019-12-03 14:49:58 +01:00
Nikolaj Bjorner 7f61d08496 fix #2777 2019-12-03 13:53:59 +01:00
Nikolaj Bjorner b35ec49b40 fix #2778 2019-12-03 12:53:06 +01:00
Nikolaj Bjorner 28cb13fb96 fix #2771 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-02 15:41:56 -08:00
Nikolaj Bjorner 37a4dd68d0 fix #2773 fix #2774 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-02 15:22:03 -08:00
Nikolaj Bjorner 1eab774b91 fix #2774 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-02 15:22:03 -08:00
Murphy Berzish 89c9bb2e0e z3str3: don't call propagate() in init_search_eh() 2019-12-02 15:20:04 -08:00
Nikolaj Bjorner 7b0327dbad fix #2767 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-02 09:19:23 -08:00
Nikolaj Bjorner 2bf9b5ca8b fix #2767 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-12-02 09:15:04 -08:00
Nikolaj Bjorner 17d67c1b50 fix #2726 2019-12-01 20:14:35 -08:00
Nikolaj Bjorner 86c35bc7c1 fix #2763 2019-12-01 17:10:21 -08:00
Nikolaj Bjorner ad309e53a1 fix #2766 2019-12-01 16:06:14 -08:00
Nikolaj Bjorner 9ebaf19e47 fix #2765 2019-12-01 15:05:38 -08:00
Nikolaj Bjorner 23fcc21543 fix #2764 
fix #2764
 2019-12-01 12:05:58 -08:00
Nikolaj Bjorner b371592c0d unused variable warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-30 19:21:35 -08:00
Nikolaj Bjorner 320d6640b1 ensure unfolding is increased with seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-30 18:32:19 -08:00
Nikolaj Bjorner 489448b869 fix #2762, fix #2750, add iterative unrolling to help on termination on sat instances (to address non-termination in #2759 and #2762) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-30 18:05:24 -08:00
Nikolaj Bjorner b479c34c0b fix #2751 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-29 10:18:55 -08:00
Nikolaj Bjorner 001ddef058 fix #2749 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-29 10:18:55 -08:00
Murphy Berzish bf28b815fa z3str3: add a method to rewrite-and-assert an axiom to reduce boilerplate 2019-11-29 09:37:22 -08:00
Murphy Berzish b8f2cf5b0b z3str3: rewrite strong arrangement axiom to avoid assertion violation 2019-11-29 09:37:22 -08:00
Nikolaj Bjorner a257ec0cc1 build warnings #2748 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-28 15:36:54 -08:00
Federico Mora 30d9ea5c2c Addressing comments from pull request: more descriptive variable names and m.mk_not 2019-11-27 22:06:59 -08:00
Federico Mora 574051df1b Step by step derivation of second int.to.str axiom 2019-11-27 22:06:59 -08:00
Federico Mora 900e707619 Added more comments 2019-11-27 22:06:59 -08:00
Federico Mora 6ffb475007 Add comments and make implication into xor. Logically equivalent. 2019-11-27 22:06:59 -08:00
Federico Mora fc74689c1b int.to.str must not begin with 0 unless is 0 2019-11-27 22:06:59 -08:00
Murphy Berzish 5f78ca9b58 z3str3: negative lengths in get_len_value don't count 2019-11-25 12:32:51 -08:00
Nikolaj Bjorner 055cf6c7b9 relevancy level is queried during smt_setup, so it has to update the local parameter that tracks the min 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-25 09:53:00 -08:00
Nikolaj Bjorner fad4356159 treat division by 0 as non-linearity, fix #2733 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-24 10:52:52 -08:00
Nikolaj Bjorner e2b6b12215 initialize relvancy level in constructor 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-23 17:26:59 -08:00
Nikolaj Bjorner 5dfe4a4b48 ensure relevancy isn't increased between calls 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-23 15:42:44 -08:00
Nikolaj Bjorner 61371b4abf na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-23 15:41:15 -08:00
Murphy Berzish 415260b93d z3str3: refactor app* to app_ref 2019-11-22 16:07:50 -08:00
Nikolaj Bjorner b2c3025e21 fix #2714 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-21 16:37:53 -08:00
Nikolaj Bjorner 566eacd424 change handling of weak array mode. Insert weak delay variables into a queue that gets consumed by the next propagation when the array_weak parameter is changed #2686 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-19 21:17:36 -08:00
Nikolaj Bjorner dde8da853e fix bug introduced when fixing #2721 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-18 13:55:55 -08:00
Nikolaj Bjorner 9b72b60949 block unsound itos solutions. #2721 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-18 13:44:12 -08:00
Nikolaj Bjorner d95b549ff8 fix #2707 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-16 17:47:29 -08:00
Nikolaj Bjorner cbac860387 fix #2706 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-16 09:06:58 -08:00
Nikolaj Bjorner cb600a9329 consolidate model.compact and model_compress #2704 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-15 11:07:08 -08:00
Nikolaj Bjorner 5f90e72d85 ensure generation is increased #2667 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-13 19:18:54 -08:00
Nikolaj Bjorner 0c1b68b598 remove unused variable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-11 07:13:04 -08:00
Nikolaj Bjorner 4fabaf95aa remove deprecated and bind1st and unused warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-08 13:26:50 -08:00
Nikolaj Bjorner 4527a99f64 fix #2675 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-08 11:05:49 +01:00
Nikolaj Bjorner 1fec4bbe94 fix output 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-07 18:17:06 +01:00
Nikolaj Bjorner 0a8b924481 remove print 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-07 10:17:35 +01:00
Nikolaj Bjorner 1e0c1cefd6 add definitions for under-specified cases of arithmetic operators #2663 #2676 #2679 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-06 18:24:22 +01:00
Nikolaj Bjorner 6cf7d8e523 adding div0 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-06 11:23:19 +01:00
Nikolaj Bjorner 8a420c850b remove divergent ordering 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-05 17:18:24 +01:00
Nikolaj Bjorner 23029daf5e investigating relevancy 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-05 17:16:30 +01:00
Nikolaj Bjorner a78f899225 expand deep stores by lambdas to avoid expanding select/store axioms 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-03 10:29:10 +01:00
Christoph M. Wintersteiger 1d4f8c0168
Typos 2019-10-28 14:15:29 +00:00
Murphy Berzish be99d3d450 z3str3: refactoring, move regex automata methods to theory_str_regex 2019-10-25 18:06:06 -07:00
Nikolaj Bjorner 64dd4e1c83 fix #2659 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-10-25 10:42:21 -07:00
Murphy Berzish b9a407c25f z3str3: force eager axiom setup on new terms 2019-10-24 15:20:07 -07:00
Murphy Berzish f91af02675 z3str3: set up axioms on string terms that are added during the search 2019-10-24 15:20:07 -07:00
Nikolaj Bjorner f4fd94747c fix #2652 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-10-23 09:39:40 -07:00
Murphy Berzish 76b3198282 z3str3: fixes to str.indexof when axiomatizing constant expressions 2019-10-22 07:53:14 -07:00
Nikolaj Bjorner e5504247e9 use propagation filter 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-10-20 16:00:20 -07:00
Nikolaj Bjorner 4ce6b53d95 fix #2640 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-10-16 20:40:03 -07:00
Nikolaj Bjorner ca498e20d1 move value factories to model 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-10-16 19:48:35 -07:00
Nikolaj Bjorner 71d68b8fe0 fix #2445 fix #2519 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-10-13 20:24:14 -07:00
Nikolaj Bjorner a1b690032a fix #2629 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-10-12 04:05:03 -07:00
Murphy Berzish 4fc64ab578 z3str3: check for and re-internalize str.in.re terms 2019-10-11 09:25:30 -07:00
Nikolaj Bjorner ca7d066c4e fix #2624 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-10-10 19:20:02 -07:00
Nikolaj Bjorner fd1974845b fix assert-and-track semantics for smt2 logging 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-10-09 21:16:41 -07:00