Liana Hadarean [Wed, 7 Oct 2015 16:02:05 +0000 (17:02 +0100)]
Disabled donePPSimpITE when unsat-cores are enabled (fixes bug648)
ajreynol [Wed, 7 Oct 2015 10:54:55 +0000 (12:54 +0200)]
Minor improvements, add endpoint eq inference to strings.
ajreynol [Tue, 6 Oct 2015 11:26:03 +0000 (13:26 +0200)]
More improvements to strings rewriter for regexps, contains, indexof, replace and others. Enable non-recursive flat form inferences in strings theory solver. Refactor extf reductions. Use non-constant length terms when checking length equality. Add option --strings-eager-len.
ajreynol [Fri, 2 Oct 2015 21:15:35 +0000 (23:15 +0200)]
Fixes related to explanations for cycles, sym inferences. Minor fixes and improvements.
ajreynol [Fri, 2 Oct 2015 13:10:10 +0000 (15:10 +0200)]
Improvements to rewriter for regexp, contains, indexof. Improvements and fixes for reduction of indexof. Fixes bugs 612 and 615. Fix bug in find+offset in strings util. Add regressions.
ajreynol [Thu, 1 Oct 2015 15:57:37 +0000 (17:57 +0200)]
Evaluate extended operators on partially concrete arguments. More aggressive rewriting. Bug fix explanations for inferences. Avoid spurious cardinality splits. Do not do disequality splits for non-disequal terms. Work towards non-recursive handling of flat forms.
ajreynol [Thu, 1 Oct 2015 08:44:13 +0000 (10:44 +0200)]
More improvements to strings. More aggressive inference of constant eqc, reductions based on congruence, precheck for cycles.
ajreynol [Wed, 30 Sep 2015 08:24:15 +0000 (10:24 +0200)]
Refactor strings, bug fix inferences vs lemmas.
ajreynol [Tue, 29 Sep 2015 13:17:03 +0000 (15:17 +0200)]
Fix for fmf+incremental. Restrict cbqi to literals from ce body. Add regressions.
ajreynol [Mon, 28 Sep 2015 14:18:32 +0000 (16:18 +0200)]
Improve quantifiers engine wrt incremental presolve. Add regressions.
ajreynol [Mon, 28 Sep 2015 12:57:59 +0000 (14:57 +0200)]
Minor fix
ajreynol [Mon, 28 Sep 2015 12:12:48 +0000 (14:12 +0200)]
Minor fixes to strings, add regressions.
ajreynol [Mon, 28 Sep 2015 08:56:28 +0000 (10:56 +0200)]
Add missing regression
ajreynol [Mon, 28 Sep 2015 08:47:09 +0000 (10:47 +0200)]
Fix bug for trivial extf inferences in strings. Improve caching for splits in strings. Other improvements.
ajreynol [Sun, 27 Sep 2015 11:20:03 +0000 (13:20 +0200)]
Improved handling of extended operators. Do preprocess on memberships eagerly, only process contains/memberships that have non-constant arguments. Cleanup.
ajreynol [Sat, 26 Sep 2015 12:35:40 +0000 (14:35 +0200)]
Lazy preprocessing of extended operators in strings. Add regressions. Fixes bug 613.
ajreynol [Sat, 26 Sep 2015 08:04:34 +0000 (10:04 +0200)]
Better organization of quantifiers modules, promote full saturation to module. Add heuristics for cbqi LIA instantiation with coefficients.
ajreynol [Fri, 25 Sep 2015 15:58:56 +0000 (17:58 +0200)]
Clear term caches for quantifiers + incremental, fixes bug 674. Refactoring of term database, other refactoring. Bug fixes for cbqi+datatypes.
ajreynol [Thu, 24 Sep 2015 14:58:18 +0000 (16:58 +0200)]
Counterexample-guided instantiation for datatypes. Make sygus parsing more liberal.
ajreynol [Tue, 22 Sep 2015 12:28:33 +0000 (14:28 +0200)]
Improve ITE redundant branch elimination in quantifiers.
Kshitij Bansal [Mon, 21 Sep 2015 20:12:03 +0000 (16:12 -0400)]
Fix for sets segfault (reported by Ravi Kandhadai)
fix involves sets getModelValue handling the case when element theory
doesn't have model
ajreynol [Fri, 18 Sep 2015 18:13:11 +0000 (20:13 +0200)]
Fix bug in quantifiers engine where model construction could be skipped.
ajreynol [Fri, 18 Sep 2015 12:21:13 +0000 (14:21 +0200)]
More work mixing UF and sygus.
ajreynol [Thu, 17 Sep 2015 22:04:26 +0000 (00:04 +0200)]
Allow most smt2 commands as sygus commands. Fix bug in fmf-fun regarding quantified formulas with non-constant polarity.
ajreynol [Wed, 16 Sep 2015 09:07:36 +0000 (11:07 +0200)]
Add option --fmf-fun-rlv, remove deprecated option --axiom-inst.
ajreynol [Tue, 15 Sep 2015 08:39:29 +0000 (10:39 +0200)]
Fix bug related to quantifiers + incremental, thanks John Backes for the bug report. Other minor cleanup.
ajreynol [Fri, 11 Sep 2015 13:16:12 +0000 (15:16 +0200)]
Minor cleanup related to codatatypes.
ajreynol [Thu, 10 Sep 2015 16:38:16 +0000 (18:38 +0200)]
Models for codatatypes. Fixes bug 662.
ajreynol [Thu, 10 Sep 2015 13:30:52 +0000 (15:30 +0200)]
Normalization of codatatype constants, codatatype now has a fair enumerator.
ajreynol [Thu, 10 Sep 2015 08:12:36 +0000 (10:12 +0200)]
Fix bug 670. Minor.
ajreynol [Wed, 9 Sep 2015 08:34:20 +0000 (10:34 +0200)]
Fix bug in strings rewriter regarding lengths of substr terms.
ajreynol [Wed, 9 Sep 2015 07:48:26 +0000 (09:48 +0200)]
Working towards a fair enumerator for codatatypes.
ajreynol [Sun, 6 Sep 2015 10:20:57 +0000 (12:20 +0200)]
Improve quantifiers rewriter, minor refactoring.
ajreynol [Sat, 5 Sep 2015 10:55:31 +0000 (12:55 +0200)]
Working fix for bugs 610 and 643 regarding check-model with preprocessed quantified formulas.
ajreynol [Sat, 5 Sep 2015 10:02:28 +0000 (12:02 +0200)]
Fix bugs related to fmf with incremental. Reinitialize sorts on user pop, bug fix enumeration for uninitialized sorts, do not decide combined cardinality constraints that have not been allocated in user context. Fixes bug 654.
ajreynol [Fri, 4 Sep 2015 15:53:30 +0000 (17:53 +0200)]
Fix bugs 605 and 667.
Kshitij Bansal [Wed, 2 Sep 2015 13:17:08 +0000 (09:17 -0400)]
fix regressions
Kshitij Bansal [Wed, 2 Sep 2015 13:07:38 +0000 (09:07 -0400)]
Merge remote-tracking branch 'origin/master'
Clark Barrett [Tue, 1 Sep 2015 20:07:05 +0000 (13:07 -0700)]
Fixed but with getAssertions
ajreynol [Sun, 30 Aug 2015 07:49:48 +0000 (09:49 +0200)]
Minor improvement to sygus sol reconstruction.
ajreynol [Fri, 28 Aug 2015 11:36:44 +0000 (13:36 +0200)]
Improvements to sygus, register equivalent terms based on rewrites of original conjecture, set default invariant template mode to post-condition.
ajreynol [Thu, 27 Aug 2015 15:27:57 +0000 (17:27 +0200)]
Do ITE term bookkeeping when solving Sygus inputs. Add missing script from Sygus comp 2015. Fix bug 665 regarding strings rewriter for contains.
ajreynol [Thu, 27 Aug 2015 07:32:14 +0000 (09:32 +0200)]
Modify slow regressions.
ajreynol [Wed, 26 Aug 2015 13:49:23 +0000 (15:49 +0200)]
Minor improvements to cbqi, fix bug in solving with vts symbols, round up for integer lower bounds. Add presolve infrastructure to quantifiers engine, modify --cbqi-prereg-inst.
ajreynol [Tue, 25 Aug 2015 15:53:17 +0000 (17:53 +0200)]
Use zero in cbqi when not using infinities.
Liana Hadarean [Mon, 24 Aug 2015 10:55:16 +0000 (11:55 +0100)]
Added threshold for core bv cardinality lemmas
Liana Hadarean [Mon, 24 Aug 2015 10:46:07 +0000 (11:46 +0100)]
Fix for bv core cardinality lemma generation
Liana Hadarean [Mon, 24 Aug 2015 09:40:18 +0000 (10:40 +0100)]
eager bit-blasting gives models for boolean variables too (fixes bug618)
ajreynol [Mon, 24 Aug 2015 16:34:25 +0000 (18:34 +0200)]
Improvements to vts in cbqi, bug fix vts for non-atomic terms containing vts symbols. Move presolve for sygus to cbqi. Enable --cbqi-recurse by default, add option --cbqi-min-bound. Enable qcf for finite model finding by default.
ajreynol [Fri, 21 Aug 2015 12:40:06 +0000 (14:40 +0200)]
Minor changes related to codatatypes for 1.5 release.
ajreynol [Fri, 21 Aug 2015 08:07:12 +0000 (10:07 +0200)]
Fix disequality bounds in cbqi, record literals for ITE skolems in cbqi. Enable redundant ITE branch elimination in quantifiers rewriter.
Kshitij Bansal [Fri, 21 Aug 2015 07:26:30 +0000 (03:26 -0400)]
better handling for conflicting options with nonlinear arith (bug 646)
Kshitij Bansal [Fri, 21 Aug 2015 07:02:32 +0000 (03:02 -0400)]
Fix bug 649 (errors to regular output channel)
From SMTLIB standard:
"Regular output, including error messages, is printed on the
regular output channel..."
For CVC language, the behavior is unchanged (i.e. errors go
to stderr by default).
Liana Hadarean [Thu, 20 Aug 2015 16:21:50 +0000 (17:21 +0100)]
fix to bug659 due to algebraic solver model building
Liana Hadarean [Thu, 20 Aug 2015 16:21:08 +0000 (17:21 +0100)]
fix for bug660 and bug658 due to incorrect bit-blasting of divison by zero
ajreynol [Wed, 19 Aug 2015 19:45:37 +0000 (21:45 +0200)]
Make cbqi robust to term ITE removal. Separate vts infinities for int/real.
Kshitij Bansal [Wed, 19 Aug 2015 02:06:28 +0000 (22:06 -0400)]
fix bug 605
ajreynol [Wed, 19 Aug 2015 07:35:17 +0000 (09:35 +0200)]
Implementation of model-based projection in cbqi, cleanup, add regressions.
Tianyi Liang [Tue, 18 Aug 2015 03:31:47 +0000 (22:31 -0500)]
fix for bug663
ajreynol [Sun, 16 Aug 2015 10:44:11 +0000 (12:44 +0200)]
More optimizations to --macros-quant, add --macros-quant-mode=ground-uf. Cleanup varContains caches in term db. Fix bug related to macros in non-tracing builds.
ajreynol [Wed, 12 Aug 2015 05:33:16 +0000 (07:33 +0200)]
Improvements to --macros-quant. Enable --clause-split by default. Bug fix for cbqi regarding instantiations with free skolems, extend to boolean quantification. Infrastructure for congruence closure with free variables.
ajreynol [Sat, 1 Aug 2015 15:22:11 +0000 (17:22 +0200)]
Simplification/improvement to solving deltas in LRA cbqi. Bug fix sygus datatypes.
ajreynol [Sat, 1 Aug 2015 10:25:11 +0000 (12:25 +0200)]
Support for default grammar for datatypes in sygus. Support vts for infinity.
ajreynol [Fri, 31 Jul 2015 23:31:07 +0000 (01:31 +0200)]
Make --fmf-fun and --macros-quant work in incremental mode. Add regressions.
ajreynol [Fri, 31 Jul 2015 08:32:34 +0000 (10:32 +0200)]
Sygus support for inductive datatypes.
ajreynol [Thu, 30 Jul 2015 15:18:10 +0000 (17:18 +0200)]
Implement virtual term substitution for non-nested quantifiers. Fix soundness bug in strings related to explaining length terms.
Tianyi Liang [Tue, 28 Jul 2015 02:10:33 +0000 (21:10 -0500)]
Disable bug590.smt2
Tianyi Liang [Tue, 28 Jul 2015 01:56:46 +0000 (20:56 -0500)]
minor change to the last fix
Tianyi Liang [Tue, 28 Jul 2015 01:19:35 +0000 (20:19 -0500)]
Merge branch 'master' of https://github.com/CVC4/CVC4
Tianyi Liang [Tue, 28 Jul 2015 01:16:41 +0000 (20:16 -0500)]
Hotfix for substr function.
ajreynol [Sat, 25 Jul 2015 14:40:54 +0000 (16:40 +0200)]
Add option --sygus-inv-templ for synthesizing strengthening/weakening of pre/post conditions. Dump synth by default in sygus, update regressions. Set better defaults for induction. Fix bug in related to IFF and EQUAL in sygus grammar.
Tim King [Thu, 16 Jul 2015 18:49:51 +0000 (20:49 +0200)]
Fix for BOOST_SED_CPP for gcc-5.
ajreynol [Mon, 20 Jul 2015 17:46:21 +0000 (19:46 +0200)]
Squashed merge of SygusComp 2015 branch.
ajreynol [Sun, 12 Jul 2015 11:29:59 +0000 (13:29 +0200)]
Add option --full-saturate-quant-rd. Fix option --register-quant-body-terms.
Kshitij Bansal [Wed, 8 Jul 2015 13:49:48 +0000 (09:49 -0400)]
fix bug 650
ajreynol [Sun, 5 Jul 2015 17:56:42 +0000 (19:56 +0200)]
Add options --partial-triggers, --elim-taut-quant, improve robustness of --purify-triggers. Enable --quant-alpha-equiv by default. Fix fairness issue when combining cbqi+E-matching. Avoid unecessary delta lemmas. Update casc scripts.
ajreynol [Thu, 2 Jul 2015 14:54:10 +0000 (16:54 +0200)]
On-demand upper bound lemmas for deltas in quantified LRA (for casc). Force no macros-quant in incremental. Update casc TFN script.
ajreynol [Wed, 1 Jul 2015 16:42:43 +0000 (18:42 +0200)]
Add options --qcf-all-conflict, --ite-dtt-split-quant, refactor --ite-lift-quant. Minor bug fixes for internalReps, alpha equivalence. Update casc 25 FOF script.
Kshitij Bansal [Tue, 30 Jun 2015 05:47:10 +0000 (01:47 -0400)]
fix sets-translate
Kshitij Bansal [Tue, 30 Jun 2015 04:16:47 +0000 (00:16 -0400)]
fix smt2 parameterized sort printing
ajreynol [Mon, 29 Jun 2015 11:30:44 +0000 (13:30 +0200)]
Module to infer alpha equivalence of quantified formulas. Minor clean up of options.
ajreynol [Sat, 27 Jun 2015 07:30:06 +0000 (09:30 +0200)]
Refactor various corner cases of fmf, quantifiers modules. Enable cbqi2 by default on pure quantified arithmetic. Fix bug in sort inference related to mixed real/int, add regression.
ajreynol [Thu, 25 Jun 2015 12:06:06 +0000 (14:06 +0200)]
Do not assert fail for fmf empty domains. Fixes bug 644.
ajreynol [Mon, 22 Jun 2015 13:27:44 +0000 (15:27 +0200)]
Add --user-pat=interleave. Remove unused lte inst strategy.
ajreynol [Tue, 16 Jun 2015 16:06:27 +0000 (18:06 +0200)]
Avoid completion for large finite types. Fix bug for --fmf-fun.
ajreynol [Mon, 15 Jun 2015 08:59:23 +0000 (10:59 +0200)]
Make array basis term a skolem (avoids crashing in fmf).
Clark Barrett [Mon, 15 Jun 2015 03:38:41 +0000 (20:38 -0700)]
Changing options for QF_AUFNIA to avoid bug
Tim King [Sun, 14 Jun 2015 22:28:10 +0000 (00:28 +0200)]
Fixing an assertion Constraint::assertionFringe(...) to allow hasTrichotomyProof().
Tim King [Sun, 14 Jun 2015 21:37:59 +0000 (23:37 +0200)]
Handing the case in replay where a cut is directly in conflict with an existing bound.
Tim King [Sun, 14 Jun 2015 13:03:15 +0000 (15:03 +0200)]
Fixes for shared term normalization in replay for constraint construction.
Tim King [Sat, 13 Jun 2015 22:51:19 +0000 (00:51 +0200)]
Turning off aggressive arith ite simplifications during incremental solving.
ajreynol [Sat, 13 Jun 2015 21:45:11 +0000 (23:45 +0200)]
Robust check to avoid store all instantiations. Fix prior commit for sort inference.
Tim King [Sat, 13 Jun 2015 21:30:24 +0000 (23:30 +0200)]
Changing the run script for master for the application track.
Tim King [Sat, 13 Jun 2015 21:14:46 +0000 (23:14 +0200)]
Restricting TheoryArith to computeRelevantTerms.
ajreynol [Sat, 13 Jun 2015 21:05:26 +0000 (23:05 +0200)]
Disable sort inference for SMT COMP
Clark Barrett [Sat, 13 Jun 2015 20:23:07 +0000 (13:23 -0700)]
Fixed bug in iteSimp
Clark Barrett [Sat, 13 Jun 2015 17:21:40 +0000 (10:21 -0700)]
Fix for assertion failure:
smt_engine.cpp:1992: Rewriter::rewrite(d_assertions[i]) == d_assertions[i]
when --ite-simp and --repeat-simp are on
ajreynol [Sat, 13 Jun 2015 16:36:31 +0000 (18:36 +0200)]
Fix for sort inference involving mixed Int/Real equalities.
Tim King [Sat, 13 Jun 2015 14:25:23 +0000 (16:25 +0200)]
A return value for an ApproxGLPK::loadVB() failure case was incorrect.
ajreynol [Sat, 13 Jun 2015 14:06:49 +0000 (16:06 +0200)]
Avoid instantiating with array constants.