diff --git a/tests/requiring_optimization/Case_SPB.tipp b/tests/requiring_optimization/Case_SPB.tipp
new file mode 100644
index 0000000000000000000000000000000000000000..bf5d4e6ae6393a74d8156f8debbebfb54c0e5df1
--- /dev/null
+++ b/tests/requiring_optimization/Case_SPB.tipp
@@ -0,0 +1,299 @@
+Typified
+1
+
+Cargoes
+10001; Нефть
+10002; Бункеровочный СПГ
+
+Berths
+6; Внешний рейд
+5; Петербургский нефтяной терминал 1
+4; Петербургский нефтяной терминал 2
+3; Петербургский нефтяной терминал 3
+2; Бункеровочный терминал Кировский завод
+1; Бункеровочный терминал Горская
+
+Storages
+2001; Гоское хранилище СПГ;            10002; 1000000
+2002; Хранилище СПГ Кировского завода; 10002; 1000000
+2003; Нефтехранилище;                  10001; 1000000
+
+Vessel Types
+1002; Буксиры
+1003; Нефтяные танкеры
+
+Bunker Types
+1001; Бункеровщики
+
+Bunkers
+11; Бункеровщик 1; 3000; 1001
+12; Бункеровщик 2; 3000; 1001
+13; Бункеровщик 3; 3000; 1001
+14; Бункеровщик 4; 3000; 1001
+
+Tows
+21; Буксир 1; 0; 1002
+22; Буксир 2; 0; 1002
+23; Буксир 3; 0; 1002
+24; Буксир 4; 0; 1002
+25; Буксир 5; 0; 1002
+
+Loading Equipment Types
+1004; Насосы
+
+Loading Equipments
+41; Насос 1; 1004
+
+Transport Ships
+31; Танкер 1; 45000; 1003
+32; Танкер 2; 45000; 1003
+33; Танкер 3; 45000; 1003
+34; Танкер 4; 45000; 1003
+35; Танкер 5; 45000; 1003
+36; Танкер 6; 45000; 1003
+37; Танкер 7; 45000; 1003
+38; Танкер 8; 45000; 1003
+
+
+Templates
+/* Внешний рейд - ПНТ-1, 2, 3
+20165; mov; []; 1001; 6; 5; []; 16
+20265; mov; []; 1002; 6; 5; []; 16
+20365; mov; []; 1003; 6; 5; []; 16
+
+20164; mov; []; 1001; 6; 4; []; 16
+20264; mov; []; 1002; 6; 4; []; 16
+20364; mov; []; 1003; 6; 4; []; 16
+
+20163; mov; []; 1001; 6; 3; []; 16
+20263; mov; []; 1002; 6; 3; []; 16
+20363; mov; []; 1003; 6; 3; []; 16
+
+20156; mov; []; 1001; 5; 6; []; 16
+20256; mov; []; 1002; 5; 6; []; 16
+20356; mov; []; 1003; 5; 6; []; 16
+
+20146; mov; []; 1001; 4; 6; []; 16
+20246; mov; []; 1002; 4; 6; []; 16
+20346; mov; []; 1003; 4; 6; []; 16
+
+20136; mov; []; 1001; 3; 6; []; 16
+20236; mov; []; 1002; 3; 6; []; 16
+20336; mov; []; 1003; 3; 6; []; 16
+
+/* Внешний рейд - Бункеровочный терминал Горская
+20161; mov; []; 1001; 6; 1; []; 14
+20261; mov; []; 1002; 6; 1; []; 14
+20361; mov; []; 1003; 6; 1; []; 14
+
+20116; mov; []; 1001; 1; 6; []; 14
+20216; mov; []; 1002; 1; 6; []; 14
+20316; mov; []; 1003; 1; 6; []; 14
+
+/* Внешний рейд - Бункеровочный терминал Кировский завод
+20162; mov; []; 1001; 6; 2; []; 18
+20262; mov; []; 1002; 6; 2; []; 18
+
+20126; mov; []; 1001; 2; 6; []; 18
+20226; mov; []; 1002; 2; 6; []; 18
+
+/* Бункеровочный терминал Горская - ПНТ-1, 2, 3
+20115; mov; []; 1001; 1; 5; []; 6
+20215; mov; []; 1002; 1; 5; []; 6
+20315; mov; []; 1003; 1; 5; []; 6
+
+20114; mov; []; 1001; 1; 4; []; 6
+20214; mov; []; 1002; 1; 4; []; 6
+20314; mov; []; 1003; 1; 4; []; 6
+
+20113; mov; []; 1001; 1; 3; []; 6
+20213; mov; []; 1002; 1; 3; []; 6
+20313; mov; []; 1003; 1; 3; []; 6
+
+20151; mov; []; 1001; 5; 1; []; 6
+20251; mov; []; 1002; 5; 1; []; 6
+20351; mov; []; 1003; 5; 1; []; 6
+
+20141; mov; []; 1001; 4; 1; []; 6
+20241; mov; []; 1002; 4; 1; []; 6
+20341; mov; []; 1003; 4; 1; []; 6
+
+20131; mov; []; 1001; 3; 1; []; 6
+20231; mov; []; 1002; 3; 1; []; 6
+20331; mov; []; 1003; 3; 1; []; 6
+
+/* Бункеровочный терминал Кировский завод - ПНТ-1, 2, 3
+20125; mov; []; 1001; 2; 5; []; 2
+20225; mov; []; 1002; 2; 5; []; 2
+20325; mov; []; 1003; 2; 5; [1002]; 2
+
+20124; mov; []; 1001; 2; 4; []; 2
+20224; mov; []; 1002; 2; 4; []; 2
+20324; mov; []; 1003; 2; 4; [1002]; 2
+
+20123; mov; []; 1001; 2; 3; []; 2
+20223; mov; []; 1002; 2; 3; []; 2
+20323; mov; []; 1003; 2; 3; [1002]; 2
+
+20152; mov; []; 1001; 5; 2; []; 2
+20252; mov; []; 1002; 5; 2; []; 2
+20352; mov; []; 1003; 5; 2; [1002]; 2
+
+20142; mov; []; 1001; 4; 2; []; 2
+20242; mov; []; 1002; 4; 2; []; 2
+20342; mov; []; 1003; 4; 2; [1002]; 2
+
+20132; mov; []; 1001; 3; 2; []; 2
+20232; mov; []; 1002; 3; 2; []; 2
+20332; mov; []; 1003; 3; 2; [1002]; 2
+
+/* ПНТ - ПНТ
+20134; mov; []; 1001; 3; 4; []; 1
+20234; mov; []; 1002; 3; 4; []; 1
+20334; mov; []; 1003; 3; 4; []; 1
+
+20135; mov; []; 1001; 3; 5; []; 1
+20235; mov; []; 1002; 3; 5; []; 1
+20335; mov; []; 1003; 3; 5; []; 1
+
+20145; mov; []; 1001; 4; 5; []; 1
+20245; mov; []; 1002; 4; 5; []; 1
+20345; mov; []; 1003; 4; 5; []; 1
+
+20143; mov; []; 1001; 4; 3; []; 1
+20243; mov; []; 1002; 4; 3; []; 1
+20343; mov; []; 1003; 4; 3; []; 1
+
+20153; mov; []; 1001; 5; 3; []; 1
+20253; mov; []; 1002; 5; 3; []; 1
+20353; mov; []; 1003; 5; 3; []; 1
+
+20154; mov; []; 1001; 5; 4; []; 1
+20254; mov; []; 1002; 5; 4; []; 1
+20354; mov; []; 1003; 5; 4; []; 1
+
+/* Швартовка - отшвартовка
+30031; mrn; []; 1003; 1; [1002, 1002]; 4
+30032; mrn; []; 1003; 2; [1002, 1002]; 4
+30033; mrn; []; 1003; 3; [1002, 1002]; 4
+30034; mrn; []; 1003; 4; [1002, 1002]; 4
+30035; mrn; []; 1003; 5; [1002, 1002]; 4
+
+30011; mrn; []; 1001; 1; [1002, 1002]; 4
+30012; mrn; []; 1001; 2; [1002, 1002]; 4
+
+30131; unm; []; 1003; 1; [1002, 1002]; 4
+30132; unm; []; 1003; 2; [1002, 1002]; 4
+30133; unm; []; 1003; 3; [1002, 1002]; 4
+30134; unm; []; 1003; 4; [1002, 1002]; 4
+30135; unm; []; 1003; 5; [1002, 1002]; 4
+
+30111; unm; []; 1001; 1; [1002, 1002]; 4
+30112; unm; []; 1001; 2; [1002, 1002]; 4
+
+/* Разгрузка танкеров на ПНТ
+40001; loa; []; 1003; 10001; 2003; 3; []; 3000; M
+40002; loa; []; 1003; 10001; 2003; 4; []; 3000; M
+40003; loa; []; 1003; 10001; 2003; 5; []; 3000; M
+
+/* Заправка СПГ на бункеровочных причалах.
+40011; loa; []; 2001; 10002; 1003; 1; []; 300; M
+40012; loa; []; 2002; 10002; 1003; 2; []; 300; M
+40013; loa; []; 2001; 10002; 1001; 1; []; 300; M
+40014; loa; []; 2002; 10002; 1001; 2; []; 300; M
+
+/* Бункеровка на всех причалах.
+40021; loa; []; 1001; 10002; 1003; 1; []; 300; M
+40022; loa; []; 1001; 10002; 1003; 2; []; 300; M
+40023; loa; []; 1001; 10002; 1003; 3; []; 300; M
+40024; loa; []; 1001; 10002; 1003; 4; []; 300; M
+40025; loa; []; 1001; 10002; 1003; 5; []; 300; M
+
+Cargo Flows
+
+Initial Vessel State
+/* Танкеры.
+31; 6
+32; 6
+33; 6
+34; 6
+35; 6
+36; 6
+37; 6
+38; 6
+
+/* Бункеровщики.
+11; 4
+12; 4
+13; 5
+14; 5
+
+/* Буксиры.
+21; 3
+22; 3
+23; 3
+24; 3
+25; 3
+
+Initial Storage State
+10001; 2001; 500000
+10001; 2002; 500000
+10002; 2003; 500000
+
+10001; 31; 45000
+10002; 31; 0
+10001; 32; 45000
+10002; 32; 0
+10001; 33; 45000
+10002; 33; 0
+10001; 34; 45000
+10002; 34; 0
+10001; 35; 45000
+10002; 35; 0
+10001; 36; 45000
+10002; 36; 0
+10001; 37; 45000
+10002; 37; 0
+10001; 38; 45000
+10002; 38; 0
+
+/* Бункеровщики пусты.
+10002; 11; 0
+10002; 12; 0
+10002; 13; 0
+10002; 14; 0
+
+Final Vessel State
+31; 6
+32; 6
+33; 6
+34; 6
+35; 6
+36; 6
+37; 6
+38; 6
+
+Final Storage State
+10001; 31; 0
+10002; 31; 4500
+10001; 32; 0
+10002; 32; 4500
+10001; 33; 0
+10002; 33; 4500
+10001; 34; 0
+10002; 34; 4500
+10001; 35; 0
+10002; 35; 4500
+10001; 36; 0
+10002; 36; 4500
+10001; 37; 0
+10002; 37; 4500
+10001; 38; 0
+10002; 38; 4500
+
+Task Properties
+100.0; 0
+
+
+Solution
+16.0
diff --git a/tests/requiring_optimization/mp.tipp b/tests/requiring_optimization/mp.tipp
new file mode 100644
index 0000000000000000000000000000000000000000..3096c412d54e88c07431037c2a9924752dbb0a15
--- /dev/null
+++ b/tests/requiring_optimization/mp.tipp
@@ -0,0 +1,124 @@
+Typified
+1
+
+Cargoes
+363; Груз1
+364; Груз2
+365; Груз3
+Berths
+366; Рейд
+367; Терминал1
+368; Терминал2
+Storages
+369; Хранилище1; 363; 400
+370; Хранилище2; 364; 400
+371; Хранилище3; 365; 400
+
+Vessel Types
+1001; Тип судна1
+1002; Тип буксира1
+
+Tows
+374; Буксир1; 10000; 1002
+375; Буксир2; 10000; 1002
+376; Буксир3; 10000; 1002
+Transport Ships
+377; Судно1; 400; 1001
+378; Судно2; 400; 1001
+379; Судно3; 400; 1001
+
+Loading Equipment Types
+1003; Тип насоса1
+1004; Тип насоса2
+1005; Тип насоса3
+
+Loading Equipments
+381; Насос1; 1003
+382; Насос2; 1004
+383; Плавучий насос; 1005
+Templates
+
+85; mov; []; 1001; 366; 367; []; 3
+88; mov; []; 1001; 366; 367; [1002]; 1
+
+97; mov; []; 1001; 366; 368; []; 3
+100; mov; []; 1001; 366; 368; [1002]; 1
+
+109; mov; []; 1001; 367; 366; []; 3
+112; mov; []; 1001; 367; 366; [1002]; 1
+
+121; mov; []; 1001; 368; 366; []; 3
+124; mov; []; 1001; 368; 366; [1002]; 1
+
+245; unm; []; 1001; 368; [1002, 1002]; 1
+191; mrn; []; 1001; 368; [1002, 1002]; 1
+218; unm; []; 1001; 367; [1002, 1002]; 1
+164; mrn; []; 1001; 367; [1002, 1002]; 1
+
+144; mov; []; 1002; 368; 366; []; 1
+139; mov; []; 1002; 367; 366; []; 1
+133; mov; []; 1002; 366; 367; []; 1
+136; mov; []; 1002; 366; 368; []; 1
+
+146; mov; []; 1005; 367; 368; [1002, 1002]; 1
+155; mov; []; 1005; 368; 367; [1002, 1002]; 1
+
+4; loa; []; 369; 363; 1001; 367; [1003]; 5; M
+10; loa; []; 370; 364; 1001; 367; [1003]; 4; M
+12; loa; []; 370; 364; 1001; 367; [1005]; 10; M
+16; loa; []; 371; 365; 1001; 367; [1003]; 8; M
+
+2; loa; []; 1001; 363; 369; 367; [1003]; 5; M
+6; loa; []; 1001; 364; 370; 367; [1003]; 4; M
+8; loa; []; 1001; 364; 370; 367; [1005]; 10; M
+14; loa; []; 1001; 365; 371; 367; [1003]; 8; M
+
+20; loa; []; 369; 363; 1001; 368; [1004]; 10; M
+24; loa; []; 370; 364; 1001; 368; [1005]; 10; M
+28; loa; []; 371; 365; 1001; 368; [1004]; 4; M
+
+18; loa; []; 1001; 363; 369; 368; [1004]; 10; M
+22; loa; []; 1001; 364; 370; 368; [1005]; 10; M
+26; loa; []; 1001; 365; 371; 368; [1004]; 4; M
+
+Initial Vessel State
+377; 366
+378; 366
+379; 366
+374; 367
+375; 368
+376; 366
+381; 367
+382; 368
+383; 368
+Final Vessel State
+377; 366
+378; 366
+379; 366
+Initial Storage State
+363; 377; 10
+364; 377; 20
+365; 377; 12
+363; 378; 20
+364; 378; 0
+365; 378; 0
+363; 379; 0
+364; 379; 8
+365; 379; 12
+363; 369; 10
+364; 370; 8
+365; 371; 12
+Final Storage State
+363; 377; 0
+364; 377; 0
+365; 377; 0
+363; 378; 0
+364; 378; 20
+365; 378; 32
+363; 379; 40
+364; 379; 0
+365; 379; 0
+Task Properties
+50; 0
+Solution
+1