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Author SHA1 Message Date
Lev Nachmanson
77171f4af8 the first version of Gomory cut, probably broken
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-17 15:17:46 -07:00
Lev Nachmanson
1931adcb74 add a file
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-13 09:48:29 -07:00
Lev Nachmanson
8750da1da7 progress in gomory cut
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-12 16:43:10 -07:00
Lev Nachmanson
2056404ed4 branch on a free variable before trying Gomory cuts
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-11 16:44:04 -07:00
Lev Nachmanson
fc6a876845 start gomory cut
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-11 13:38:59 -07:00
Lev Nachmanson
69d6b022b8 speed up in get_model and fix in git_model_do_not_care_...
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-10 22:14:56 -07:00
Lev Nachmanson
2fe846d9fc fix a bug in the lar_solver::m_status update during push/pop
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-10 16:34:23 -07:00
Lev Nachmanson
581098299b change the order of initializations in the constructor of imp in theory_lra
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-10 12:04:58 -07:00
Lev Nachmanson
9dc7ba73eb use a faster version of get_model in debug checks
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-10 11:57:33 -07:00
Lev Nachmanson
86ed01a63b replace clp to clean
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-10 11:30:08 -07:00
Lev Nachmanson
cc32e45471 replace lean to lp
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-10 11:06:37 -07:00
Lev Nachmanson
f6a75600c2 solve all smt2 from QF_LIA/calypto with int_solver
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-07 22:15:47 -07:00
Lev Nachmanson
3abc793876 solve more integer smt problems 2017-07-07 11:47:52 -07:00
Lev Nachmanson
2cd81851e7 solve more ilp smt
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2017-07-06 21:29:09 -07:00
Lev Nachmanson
7cd6dc1b5a Merge branch 'master' of https://github.com/levnach/z3 2017-07-06 20:47:19 -07:00
Nikolaj Bjorner
055593469a Dev (#64)
* introduce int_solver.h

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* add int_solver class

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* track which var is an integer

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add queries for integrality of vars

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* resurrect lp_tst in its own director lp

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add file

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add_constraint has got a body

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* fix add_constraint and substitute_terms_in_linear_expression

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* after merge with Z3Prover

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* adding stub check_int_feasibility()

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* Dev (#50)

* initial skeletons for nra solver

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

* initial skeletons for nra solver

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

* small fix in lar_solver.cpp

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* adding some content to the new check_int_feasibility()

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* Dev (#51)

* initial skeletons for nra solver

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

* initial skeletons for nra solver

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

* adding more nlsat

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

* nlsat integration

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

* adding constraints

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

* adding nra solver

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

* add missing initialization

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

* adding nra solver

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

* test

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* Dev (#53)

* change in a comment

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* Disabled debug output

* removing FOCI2 interface from interp

* remove foci reference from cmakelist.txt

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

* initial skeletons for nra solver

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

* initial skeletons for nra solver

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

* adding more nlsat

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

* nlsat integration

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

* adding constraints

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

* adding nra solver

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

* add missing initialization

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

* adding nra solver

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

* adding nra

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

* debugging nra

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

* updates to nra_solver integration to call it directly from theory_lra instead of over lar_solver

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

* n/a

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

* integrate nlsat

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

* tidy

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

* preserve is_int flag

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* remove a debug printout

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* Dev (#54)

* change in a comment

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* Disabled debug output

* removing FOCI2 interface from interp

* remove foci reference from cmakelist.txt

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

* initial skeletons for nra solver

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

* initial skeletons for nra solver

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

* adding more nlsat

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

* nlsat integration

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

* adding constraints

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

* adding nra solver

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

* add missing initialization

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

* adding nra solver

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

* adding nra

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

* debugging nra

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

* updates to nra_solver integration to call it directly from theory_lra instead of over lar_solver

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

* n/a

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

* integrate nlsat

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

* tidy

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

* use integer test from lra solver, updated it to work on term variables

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

* fix equality check in assume-eq

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

* fix model_is_int_feasible

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* untested gcd_test()

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* call fill_explanation_from_fixed_columns()

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add the call to pivot_fixed_vars_from_basis() to int_solver.cpp::check()

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* port more of theory_arith_int.h

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* use statistics of lar_solver by theory_lra.cpp

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* port more code to int_solver.cpp

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add an assert

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* more int porting

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* fix a bug in pivot_fixed_vars_from_basis

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* small change

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* implement find_inf_int_base_column()

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* catch unregistered vars in add_var_bound

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add a file

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* compile for vs2012

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* fix asserts in add_var_bound

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* fix the lp_solver init when workig on an mps file

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* towards int_solver::check()

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* change in int_solver::check() signature

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add handlers for lia moves

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

* spacing

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

* return branch from int_solver::check()

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add a stub for mk_gomory_cut

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* Dev (#59)

* add handlers for lia moves

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

* spacing

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

* loops

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

* Dev (#60)

* add handlers for lia moves

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

* spacing

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

* loops

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

* loops

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

* Dev (#61)

* add handlers for lia moves

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

* spacing

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

* loops

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

* loops

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

* more TRACE(arith_int)

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* fix the build

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* loops

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

* Dev (#62)

* add handlers for lia moves

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

* spacing

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

* loops

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

* loops

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

* loops

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

* build fix

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-06 20:47:07 -07:00
Lev Nachmanson
9b1b096a16 fix in init_int_int_set
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2017-07-06 20:46:17 -07:00
Lev Nachmanson
2e95a9d6b2 return a value from pivot_column_general
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-06 10:59:20 -07:00
Lev Nachmanson
b21741cccd fix a bug in pivot_fixed_vars_from_basis
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2017-07-06 10:53:32 -07:00
Nikolaj Bjorner
4c23527974 Dev (#63)
* introduce int_solver.h

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* add int_solver class

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* track which var is an integer

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add queries for integrality of vars

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* resurrect lp_tst in its own director lp

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add file

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add_constraint has got a body

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* fix add_constraint and substitute_terms_in_linear_expression

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* after merge with Z3Prover

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* adding stub check_int_feasibility()

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* Dev (#50)

* initial skeletons for nra solver

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

* initial skeletons for nra solver

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

* small fix in lar_solver.cpp

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* adding some content to the new check_int_feasibility()

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* Dev (#51)

* initial skeletons for nra solver

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

* initial skeletons for nra solver

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

* adding more nlsat

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

* nlsat integration

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

* adding constraints

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

* adding nra solver

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

* add missing initialization

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

* adding nra solver

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

* test

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* Dev (#53)

* change in a comment

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* Disabled debug output

* removing FOCI2 interface from interp

* remove foci reference from cmakelist.txt

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

* initial skeletons for nra solver

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

* initial skeletons for nra solver

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

* adding more nlsat

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

* nlsat integration

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

* adding constraints

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

* adding nra solver

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

* add missing initialization

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

* adding nra solver

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

* adding nra

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

* debugging nra

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

* updates to nra_solver integration to call it directly from theory_lra instead of over lar_solver

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

* n/a

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

* integrate nlsat

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

* tidy

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

* preserve is_int flag

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* remove a debug printout

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* Dev (#54)

* change in a comment

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* Disabled debug output

* removing FOCI2 interface from interp

* remove foci reference from cmakelist.txt

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

* initial skeletons for nra solver

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

* initial skeletons for nra solver

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

* adding more nlsat

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

* nlsat integration

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

* adding constraints

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

* adding nra solver

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

* add missing initialization

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

* adding nra solver

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

* adding nra

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

* debugging nra

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

* updates to nra_solver integration to call it directly from theory_lra instead of over lar_solver

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

* n/a

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

* integrate nlsat

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

* tidy

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

* use integer test from lra solver, updated it to work on term variables

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

* fix equality check in assume-eq

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

* fix model_is_int_feasible

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* untested gcd_test()

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* call fill_explanation_from_fixed_columns()

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add the call to pivot_fixed_vars_from_basis() to int_solver.cpp::check()

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* port more of theory_arith_int.h

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* use statistics of lar_solver by theory_lra.cpp

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* port more code to int_solver.cpp

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add an assert

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* more int porting

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* fix a bug in pivot_fixed_vars_from_basis

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* small change

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* implement find_inf_int_base_column()

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* catch unregistered vars in add_var_bound

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add a file

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* compile for vs2012

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* fix asserts in add_var_bound

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* fix the lp_solver init when workig on an mps file

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* towards int_solver::check()

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* change in int_solver::check() signature

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add handlers for lia moves

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

* spacing

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

* return branch from int_solver::check()

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add a stub for mk_gomory_cut

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* Dev (#59)

* add handlers for lia moves

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

* spacing

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

* loops

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

* Dev (#60)

* add handlers for lia moves

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

* spacing

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

* loops

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

* loops

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

* Dev (#61)

* add handlers for lia moves

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

* spacing

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

* loops

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

* loops

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

* more TRACE(arith_int)

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* fix the build

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* loops

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

* Dev (#62)

* add handlers for lia moves

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

* spacing

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

* loops

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

* loops

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

* loops

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

* build fix

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-06 08:53:08 -07:00
Nikolaj Bjorner
a28a8304b7 Dev (#56)
* introduce int_solver.h

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* add int_solver class

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* track which var is an integer

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add queries for integrality of vars

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* resurrect lp_tst in its own director lp

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add file

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add_constraint has got a body

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* fix add_constraint and substitute_terms_in_linear_expression

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* after merge with Z3Prover

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* adding stub check_int_feasibility()

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* Dev (#50)

* initial skeletons for nra solver

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

* initial skeletons for nra solver

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

* small fix in lar_solver.cpp

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* adding some content to the new check_int_feasibility()

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* Dev (#51)

* initial skeletons for nra solver

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

* initial skeletons for nra solver

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

* adding more nlsat

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

* nlsat integration

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

* adding constraints

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

* adding nra solver

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

* add missing initialization

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

* adding nra solver

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

* test

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* Dev (#53)

* change in a comment

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* Disabled debug output

* removing FOCI2 interface from interp

* remove foci reference from cmakelist.txt

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

* initial skeletons for nra solver

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

* initial skeletons for nra solver

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

* adding more nlsat

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

* nlsat integration

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

* adding constraints

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

* adding nra solver

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

* add missing initialization

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

* adding nra solver

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

* adding nra

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

* debugging nra

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

* updates to nra_solver integration to call it directly from theory_lra instead of over lar_solver

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

* n/a

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

* integrate nlsat

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

* tidy

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

* preserve is_int flag

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* remove a debug printout

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* Dev (#54)

* change in a comment

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* Disabled debug output

* removing FOCI2 interface from interp

* remove foci reference from cmakelist.txt

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

* initial skeletons for nra solver

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

* initial skeletons for nra solver

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

* adding more nlsat

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

* nlsat integration

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

* adding constraints

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

* adding nra solver

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

* add missing initialization

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

* adding nra solver

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

* adding nra

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

* debugging nra

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

* updates to nra_solver integration to call it directly from theory_lra instead of over lar_solver

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

* n/a

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

* integrate nlsat

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

* tidy

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

* use integer test from lra solver, updated it to work on term variables

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

* fix equality check in assume-eq

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

* fix model_is_int_feasible

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* untested gcd_test()

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* call fill_explanation_from_fixed_columns()

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add the call to pivot_fixed_vars_from_basis() to int_solver.cpp::check()

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* port more of theory_arith_int.h

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* use statistics of lar_solver by theory_lra.cpp

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* port more code to int_solver.cpp

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add an assert

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* more int porting

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* fix a bug in pivot_fixed_vars_from_basis

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* small change

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* implement find_inf_int_base_column()

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* catch unregistered vars in add_var_bound

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add a file

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* compile for vs2012

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* fix asserts in add_var_bound

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* fix the lp_solver init when workig on an mps file

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* towards int_solver::check()

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* change in int_solver::check() signature

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>

* add handlers for lia moves

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

* spacing

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-06-28 13:12:12 -07:00
Lev Nachmanson
dfe15adf7e fix maybe non initialized warning
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-06-26 16:32:44 -07:00
Nikolaj Bjorner
7db1847f51 fix bitrot in maxsat example reference management #1116
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-06-26 09:36:53 -07:00
Christoph M. Wintersteiger
2fceac04d4 Merge branch 'master' of https://github.com/Z3Prover/z3 2017-06-25 22:19:54 +01:00
Christoph M. Wintersteiger
c395516058 Adjusted rlimit increments in theory_arith to avoid non-termination issues 2017-06-25 22:19:42 +01:00
Lev Nachmanson
2a5f1d6e93 add a template instantination
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2017-06-22 10:32:35 -07:00
Dan Liew
d00892c9a6 [CMake] Fix dependencies for generating mem_initializer.cpp.
Previously CMake was not aware of which headers files the generation
of `mem_initializer.cpp` depended on. Consequently this could result
in broken incremental builds if

* Existing headers that declare memory initializers/finalizers change.
* New headers are added that declare memory initializers/finalizer.

Now the `z3_add_component()` CMake function has been modifed so that
it now takes an optional `MEMORY_INIT_FINALIZER_HEADERS` argument
which allows the headers that declare memory initializers/finalizers
to be explicitly listed.

With this information CMake will now regenerate `mem_initializer.cpp`
correctly.

This required the `mk_mem_initializer_cpp_internal()` function to be
changed to take a list of header files rather than a list of component
source directories. The two consumers (CMake and Python/Makefile build
systems) of this function have been modified to work with this change.

This partially fixes #1030.
2017-06-21 23:56:53 +01:00
Dan Liew
6f48a145aa [CMake] Fix dependencies for generating gparams_register_modules.cpp.
Previously CMake was not aware of which headers files the generation
of `gparams_register_modules.cpp` depended on. Consequently this could result
in broken incremental builds if

* Existing headers that declared module description/parameters change.
* New headers are added that declare module description/parameters.
* `.pyg` files that generate header files that declare module
  description/parameters change

Now the `z3_add_component()` CMake function has been modifed so that

* All header files that are generated from `.pyg` files are added as
dependencies and are scanned from module description/parameter
declarations. This implicit dependency of `gparams_register_modules.cpp`
depending on other generated header files seems unnecessary complex. We
should revisit this design decision once the Python/Makefile build
system is deprecated.

* The function now takes an optional `EXTRA_REGISTER_MODULE_HEADERS`
argument which allows the headers that declare module
description/paramters to be explicitly listed.

With this information CMake will now regenerate `gparams_register_modules.cpp`
correctly.

This required the `mk_gparams_register_modules_internal()` function to be
changed to take a list of header files rather than a list of component
source directories. The two consumers (CMake and Python/Makefile build
systems) of this function have been modified to work with this change.

This partially fixes #1030.
2017-06-21 23:56:46 +01:00
Arie Gurfinkel
372e8b3c49 expose iterator api of obj_hashtable 2017-06-20 21:07:38 -04:00
Arie Gurfinkel
f3019a3de9 api to accumulate stopwatches 2017-06-20 21:07:38 -04:00
Dan Liew
4b517b96df [CMake] Move CMake files into their intended location so the
`contrib/cmake/bootstrap.py` script no longer needs to be executed.

The previous location of the CMake files was a compromise proposed
by @agurfinkel in #461. While this has served us well (allowing progress
to be made) over time limitations of this approach have appeared.

The main problem is that doing many git operations (e.g. pull, rebase)
means the CMake files don't get updated unless the user remembers to
run the script. This can lead to broken and confusing build system
behaviour.

This commit only does the file moving and necessary changes to
`.gitignore`. Other changes will be done in subsequent commits.
2017-06-12 11:59:00 +01:00
Christoph M. Wintersteiger
596652ed36 Merge branch 'master' of https://github.com/Z3Prover/z3 2017-05-31 18:35:52 +01:00
Christoph M. Wintersteiger
a7d5bb7b36 Tabs 2017-05-31 12:18:00 +01:00
Nikolaj Bjorner
23ff580a67 get rid of timeb dependencies, pull request #1040
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-23 12:16:43 -07:00
Nikolaj Bjorner
2834fea9b3 fix x64 warnings
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-23 08:58:21 -07:00
Lev Nachmanson
1b62592015 change in a comment
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2017-05-18 13:44:00 -07:00
Nikolaj Bjorner
79a8e9aab0 fix build break #1029
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-18 12:09:51 -07:00
Nikolaj Bjorner
4069e76ab0 remove unused column function field, #1021
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-16 21:27:43 -07:00
Nikolaj Bjorner
3290a933b5 remove spurious include file
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-14 14:09:42 -07:00
Nikolaj Bjorner
a0efdc21c3 add missing locks around mpz operations that access object allocator. Use internal skolem constant for theory assumption to hide it from models
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-14 14:04:00 -07:00
Lev Nachmanson
07f2fd43bb Merge remote-tracking branch 'upstream/master' 2017-05-11 17:49:33 -07:00
Lev Nachmanson
d0d71a0907 allow more failures in d_solver
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-05-11 17:49:27 -07:00
Nikolaj Bjorner
a9e2a1204e add this qualifier for build
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-11 16:58:29 -07:00
Nikolaj Bjorner
7b35eacf63 add this qualifier for build
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-11 16:52:54 -07:00
Nikolaj Bjorner
2ab0f281f3 add this qualifier for build
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-11 16:50:39 -07:00
Nikolaj Bjorner
29a49f4427 convert static random fields to non-static
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-11 16:46:07 -07:00
Lev Nachmanson
cf8b35a6f3 fix init reorder warning
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-05-11 10:54:18 -07:00
Nikolaj Bjorner
431feab1bf fix build warnings part 8
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-11 09:37:01 -07:00
Nikolaj Bjorner
7e004fe331 fix build warnings part 7, disable LRA for regression t201.smt2
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-11 09:28:59 -07:00
Nikolaj Bjorner
49d2b86d35 fix build warnings part 6
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-11 08:57:17 -07:00