NO Initial ITS Start location: __init 0: f1_0_main_Load -> f86_0_sum_NE : arg1'=arg1P0, arg2'=arg2P0, (arg1 > 0 /\ -arg1P0+arg2 == 0 /\ -4+arg2 > 0), cost: 1 1: f1_0_main_Load -> f86_0_sum_NE : arg1'=arg1P1, arg2'=arg2P1, (arg1 > 0 /\ -arg1P1-arg2 == 0 /\ 1+arg2 > 0 /\ -5+arg2 < 0), cost: 1 2: f86_0_sum_NE -> f86_0_sum_NE : arg1'=arg1P2, arg2'=arg2P2, (arg1 < 0 /\ -1+arg1-arg1P2 == 0 /\ -1 < 0), cost: 1 3: f86_0_sum_NE -> f86_0_sum_NE : arg1'=arg1P3, arg2'=arg2P3, (arg1 > 0 /\ -1+arg1-arg1P3 == 0 /\ -1 < 0), cost: 1 4: __init -> f1_0_main_Load : arg1'=arg1P4, arg2'=arg2P4, TRUE, cost: 1 Applied preprocessing Original rule: f1_0_main_Load -> f86_0_sum_NE : arg1'=arg1P0, arg2'=arg2P0, (arg1 > 0 /\ -arg1P0+arg2 == 0 /\ -4+arg2 > 0), cost: 1 New rule: f1_0_main_Load -> f86_0_sum_NE : arg1'=arg2, arg2'=arg2P0, (arg1 > 0 /\ -4+arg2 > 0), cost: 1 Applied preprocessing Original rule: f1_0_main_Load -> f86_0_sum_NE : arg1'=arg1P1, arg2'=arg2P1, (arg1 > 0 /\ -arg1P1-arg2 == 0 /\ 1+arg2 > 0 /\ -5+arg2 < 0), cost: 1 New rule: f1_0_main_Load -> f86_0_sum_NE : arg1'=-arg2, arg2'=arg2P1, (arg1 > 0 /\ 1+arg2 > 0 /\ 5-arg2 > 0), cost: 1 Applied preprocessing Original rule: f86_0_sum_NE -> f86_0_sum_NE : arg1'=arg1P2, arg2'=arg2P2, (arg1 < 0 /\ -1+arg1-arg1P2 == 0 /\ -1 < 0), cost: 1 New rule: f86_0_sum_NE -> f86_0_sum_NE : arg1'=-1+arg1, arg2'=arg2P2, -arg1 > 0, cost: 1 Applied preprocessing Original rule: f86_0_sum_NE -> f86_0_sum_NE : arg1'=arg1P3, arg2'=arg2P3, (arg1 > 0 /\ -1+arg1-arg1P3 == 0 /\ -1 < 0), cost: 1 New rule: f86_0_sum_NE -> f86_0_sum_NE : arg1'=-1+arg1, arg2'=arg2P3, arg1 > 0, cost: 1 Simplified rules Start location: __init 5: f1_0_main_Load -> f86_0_sum_NE : arg1'=arg2, arg2'=arg2P0, (arg1 > 0 /\ -4+arg2 > 0), cost: 1 6: f1_0_main_Load -> f86_0_sum_NE : arg1'=-arg2, arg2'=arg2P1, (arg1 > 0 /\ 1+arg2 > 0 /\ 5-arg2 > 0), cost: 1 7: f86_0_sum_NE -> f86_0_sum_NE : arg1'=-1+arg1, arg2'=arg2P2, -arg1 > 0, cost: 1 8: f86_0_sum_NE -> f86_0_sum_NE : arg1'=-1+arg1, arg2'=arg2P3, arg1 > 0, cost: 1 4: __init -> f1_0_main_Load : arg1'=arg1P4, arg2'=arg2P4, TRUE, cost: 1 Applied nonterm Original rule: f86_0_sum_NE -> f86_0_sum_NE : arg1'=-1+arg1, arg2'=arg2P2, -arg1 > 0, cost: 1 New rule: f86_0_sum_NE -> [3] : -arg1 > 0, cost: NONTERM Applied acceleration Original rule: f86_0_sum_NE -> f86_0_sum_NE : arg1'=-1+arg1, arg2'=arg2P2, -arg1 > 0, cost: 1 New rule: f86_0_sum_NE -> f86_0_sum_NE : arg1'=arg1-n1, arg2'=arg2P2, -arg1 > 0, cost: n1 Applied acceleration Original rule: f86_0_sum_NE -> f86_0_sum_NE : arg1'=-1+arg1, arg2'=arg2P3, arg1 > 0, cost: 1 New rule: f86_0_sum_NE -> f86_0_sum_NE : arg1'=arg1-n3, arg2'=arg2P3, (-1+n3 >= 0 /\ 1+arg1-n3 > 0), cost: n3 Applied instantiation Original rule: f86_0_sum_NE -> f86_0_sum_NE : arg1'=arg1-n3, arg2'=arg2P3, (-1+n3 >= 0 /\ 1+arg1-n3 > 0), cost: n3 New rule: f86_0_sum_NE -> f86_0_sum_NE : arg1'=0, arg2'=arg2P3, (1 > 0 /\ -1+arg1 >= 0), cost: arg1 Applied simplification Original rule: f86_0_sum_NE -> f86_0_sum_NE : arg1'=0, arg2'=arg2P3, (1 > 0 /\ -1+arg1 >= 0), cost: arg1 New rule: f86_0_sum_NE -> f86_0_sum_NE : arg1'=0, arg2'=arg2P3, -1+arg1 >= 0, cost: arg1 Applied deletion Removed the following rules: 7 8 Accelerated simple loops Start location: __init 5: f1_0_main_Load -> f86_0_sum_NE : arg1'=arg2, arg2'=arg2P0, (arg1 > 0 /\ -4+arg2 > 0), cost: 1 6: f1_0_main_Load -> f86_0_sum_NE : arg1'=-arg2, arg2'=arg2P1, (arg1 > 0 /\ 1+arg2 > 0 /\ 5-arg2 > 0), cost: 1 9: f86_0_sum_NE -> [3] : -arg1 > 0, cost: NONTERM 10: f86_0_sum_NE -> f86_0_sum_NE : arg1'=arg1-n1, arg2'=arg2P2, -arg1 > 0, cost: n1 12: f86_0_sum_NE -> f86_0_sum_NE : arg1'=0, arg2'=arg2P3, -1+arg1 >= 0, cost: arg1 4: __init -> f1_0_main_Load : arg1'=arg1P4, arg2'=arg2P4, TRUE, cost: 1 Applied chaining First rule: f1_0_main_Load -> f86_0_sum_NE : arg1'=-arg2, arg2'=arg2P1, (arg1 > 0 /\ 1+arg2 > 0 /\ 5-arg2 > 0), cost: 1 Second rule: f86_0_sum_NE -> [3] : -arg1 > 0, cost: NONTERM New rule: f1_0_main_Load -> [3] : (arg1 > 0 /\ arg2 > 0 /\ 5-arg2 > 0), cost: NONTERM Applied chaining First rule: f1_0_main_Load -> f86_0_sum_NE : arg1'=-arg2, arg2'=arg2P1, (arg1 > 0 /\ 1+arg2 > 0 /\ 5-arg2 > 0), cost: 1 Second rule: f86_0_sum_NE -> f86_0_sum_NE : arg1'=arg1-n1, arg2'=arg2P2, -arg1 > 0, cost: n1 New rule: f1_0_main_Load -> f86_0_sum_NE : arg1'=-n1-arg2, arg2'=arg2P2, (arg1 > 0 /\ arg2 > 0 /\ 5-arg2 > 0), cost: 1+n1 Applied chaining First rule: f1_0_main_Load -> f86_0_sum_NE : arg1'=arg2, arg2'=arg2P0, (arg1 > 0 /\ -4+arg2 > 0), cost: 1 Second rule: f86_0_sum_NE -> f86_0_sum_NE : arg1'=0, arg2'=arg2P3, -1+arg1 >= 0, cost: arg1 New rule: f1_0_main_Load -> f86_0_sum_NE : arg1'=0, arg2'=arg2P3, (arg1 > 0 /\ -4+arg2 > 0), cost: 1+arg2 Applied deletion Removed the following rules: 9 10 12 Chained accelerated rules with incoming rules Start location: __init 5: f1_0_main_Load -> f86_0_sum_NE : arg1'=arg2, arg2'=arg2P0, (arg1 > 0 /\ -4+arg2 > 0), cost: 1 6: f1_0_main_Load -> f86_0_sum_NE : arg1'=-arg2, arg2'=arg2P1, (arg1 > 0 /\ 1+arg2 > 0 /\ 5-arg2 > 0), cost: 1 13: f1_0_main_Load -> [3] : (arg1 > 0 /\ arg2 > 0 /\ 5-arg2 > 0), cost: NONTERM 14: f1_0_main_Load -> f86_0_sum_NE : arg1'=-n1-arg2, arg2'=arg2P2, (arg1 > 0 /\ arg2 > 0 /\ 5-arg2 > 0), cost: 1+n1 15: f1_0_main_Load -> f86_0_sum_NE : arg1'=0, arg2'=arg2P3, (arg1 > 0 /\ -4+arg2 > 0), cost: 1+arg2 4: __init -> f1_0_main_Load : arg1'=arg1P4, arg2'=arg2P4, TRUE, cost: 1 Removed unreachable locations and irrelevant leafs Start location: __init 13: f1_0_main_Load -> [3] : (arg1 > 0 /\ arg2 > 0 /\ 5-arg2 > 0), cost: NONTERM 4: __init -> f1_0_main_Load : arg1'=arg1P4, arg2'=arg2P4, TRUE, cost: 1 Eliminating location f1_0_main_Load by chaining: Applied chaining First rule: __init -> f1_0_main_Load : arg1'=arg1P4, arg2'=arg2P4, TRUE, cost: 1 Second rule: f1_0_main_Load -> [3] : (arg1 > 0 /\ arg2 > 0 /\ 5-arg2 > 0), cost: NONTERM New rule: __init -> [3] : (arg2P4 > 0 /\ 5-arg2P4 > 0 /\ arg1P4 > 0), cost: NONTERM Applied deletion Removed the following rules: 4 13 Eliminated locations on linear paths Start location: __init 16: __init -> [3] : (arg2P4 > 0 /\ 5-arg2P4 > 0 /\ arg1P4 > 0), cost: NONTERM Computing asymptotic complexity Proved nontermination of rule 16 via SMT. Proved the following lower bound Complexity: Nonterm Cpx degree: Nonterm Solved cost: NONTERM Rule cost: NONTERM Rule guard: (arg2P4 > 0 /\ 5-arg2P4 > 0 /\ arg1P4 > 0)