Lev Nachmanson
64e542bd70
fix term indices for the time being when exiting from check()
...
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-20 19:13:13 -07:00
Lev Nachmanson
04824e7372
add a check in gomory cut
...
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-20 18:12:16 -07:00
Lev Nachmanson
1490b7a15f
a cleaner version of subs_term_columns
...
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-19 22:14:05 -07:00
Lev Nachmanson
4d1b0d8026
gomory cut worked on a toy example
...
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-19 16:50:23 -07:00
Lev Nachmanson
94b3fee6ac
rename a function
...
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-17 16:41:02 -07:00
Lev Nachmanson
729644a2b6
fix term_is_int
...
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-17 16:08:20 -07:00
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
bac16bac85
start gomory cut
...
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-11 13:46:46 -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
0e0e9c7041
correct handling of integer vars by NB
...
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-07-06 14:06:33 -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
4d0fda81df
fix run of lp_solver for mps files
...
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
2017-06-27 11:45:29 -07:00
Nikolaj Bjorner
475b5c70c8
Merge pull request #1117 from levnach/master
...
fix maybe non initialized warning
2017-06-26 17:13:14 -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
244cbc2638
ensure that auxiliary PB booleans are recognized during rewriting. Fixes segementation fault #1113 , but does not address performance issues with quantifiers and optimization combinations
...
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-06-26 10:04:50 -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
Nikolaj Bjorner
404db5759a
Merge pull request #1115 from delcypher/cmake_maxsat_example
...
[CMake] Teach CMake to build the `maxsat` example
2017-06-26 08:19:51 -07:00
Christoph M. Wintersteiger
fe781132b3
Merge pull request #1114 from delcypher/python_api_example_fixes
...
Fix Python API examples
2017-06-26 13:03:56 +01:00
Dan Liew
4d6cbd3788
[CMake] Teach CMake to build the maxsat example as an external
...
project. The project can be built by building the new `c_maxsat_example`
target.
2017-06-26 11:58:51 +01:00
Dan Liew
896aae5606
Fix Python API examples so they work with Python 3 as well as Python 2.
2017-06-26 11:31:08 +01:00
Dan Liew
849eb389e6
[CMake] Add missing python example files.
...
We have to flatten the hierarchy when copying across so that all
Python examples have the `z3` directory in their directory.
2017-06-26 11:30:59 +01:00
Nikolaj Bjorner
bfd1bbc136
Merge pull request #1111 from delcypher/fix_cxx_api_exceptions_gcc_4_8
...
Unbreak Z3 C++ API exception support for GCC < 5.0.
2017-06-25 16:10:23 -07:00
Dan Liew
42e0f8f9ce
Unbreak Z3 C++ API exception support for GCC < 5.0. This was broken
...
by 0b1d564509
2017-06-25 23:03:39 +01:00
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
Christoph M. Wintersteiger
ffbf19d944
Merge branch 'master' of https://github.com/wintersteiger/z3
2017-06-25 20:46:14 +01:00
Christoph M. Wintersteiger
ad7aff2334
Added rlimit increments in theory_arith to avoid non-termination issues via F*.
2017-06-25 20:45:56 +01:00
Nikolaj Bjorner
33d8b9b798
Merge pull request #1110 from delcypher/cmake_2_8_12_fixes
...
[CMake] CMake 2.8.12 fixes
2017-06-24 09:45:25 -07:00
Dan Liew
80c0c4f663
[CMake] Fix detection of git description and hash for CMake 2.8.12
2017-06-24 15:15:27 +01:00
Dan Liew
3229bedb36
[CMake] Unbreak the configure step for CMake 2.8.12
2017-06-24 14:41:33 +01:00
Dan Liew
489077a3eb
[CMake] Remove use of INSTALL_PREFIX argument to
...
`configure_package_config_file()`. This argument wasn't available
until CMake 3.1 and we don't appear to be really using it anyway.
2017-06-24 14:16:48 +01:00
Dan Liew
5a8205cb0c
[CMake] Unbreak detection of pthreads for CMake versions < 3.4
2017-06-24 14:05:25 +01:00
