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Handle correctly cancelled run (#5695)

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* remove the bound on total iterations in simplex

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

* remove unncesseray checks in  get_freedom_interval_for_column()

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

* fix the build of test-z3

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

* Revert "remove unncesseray checks in  get_freedom_interval_for_column()"

This reverts commit 6770ed85e3.

* optimize get_freedom_interval_for_column() for feasible case

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

* add function lar_solver::status_feasible

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

* rename status_is_feasible() to is_feasible()

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

* fix the linux build

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2021-12-05 16:38:37 -10:00 • committed by GitHub
parent 0242566792
commit 7758b519bc
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13 changed files with 55 additions and 72 deletions
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src/math/lp/lp_settings.h
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@ -71,7 +71,6 @@ enum class lp_status {
FEASIBLE,
FLOATING_POINT_ERROR,
TIME_EXHAUSTED,
ITERATIONS_EXHAUSTED,
EMPTY,
UNSTABLE,
CANCELLED
@ -210,7 +209,6 @@ public:
double harris_feasibility_tolerance { 1e-7 }; // page 179 of Istvan Maros
double ignore_epsilon_of_harris { 10e-5 };
unsigned max_number_of_iterations_with_no_improvements { 2000000 };
unsigned max_total_number_of_iterations { 20000000 };
double time_limit; // the maximum time limit of the total run time in seconds
// dual section
double dual_feasibility_tolerance { 1e-7 }; // page 71 of the PhD thesis of Achim Koberstein