NO Initial ITS Start location: l5 0: l0 -> l2 : b^0'=b^post0, __disjvr_0^0'=__disjvr_0^post0, (-b^0 <= 0 /\ -__disjvr_0^post0+__disjvr_0^0 == 0 /\ -1+b^post0 == 0), cost: 1 1: l2 -> l3 : b^0'=b^post1, __disjvr_0^0'=__disjvr_0^post1, (-__disjvr_0^0+__disjvr_0^post1 == 0 /\ __disjvr_0^0-__disjvr_0^post1 == 0 /\ b^0-b^post1 == 0), cost: 1 2: l3 -> l1 : b^0'=b^post2, __disjvr_0^0'=__disjvr_0^post2, (b^post2 == 0 /\ __disjvr_0^0-__disjvr_0^post2 == 0), cost: 1 3: l1 -> l0 : b^0'=b^post3, __disjvr_0^0'=__disjvr_0^post3, (b^0-b^post3 == 0 /\ -__disjvr_0^post3+__disjvr_0^0 == 0), cost: 1 4: l4 -> l0 : b^0'=b^post4, __disjvr_0^0'=__disjvr_0^post4, (b^0-b^post4 == 0 /\ __disjvr_0^0-__disjvr_0^post4 == 0), cost: 1 5: l5 -> l4 : b^0'=b^post5, __disjvr_0^0'=__disjvr_0^post5, (b^0-b^post5 == 0 /\ -__disjvr_0^post5+__disjvr_0^0 == 0), cost: 1 Applied preprocessing Original rule: l0 -> l2 : b^0'=b^post0, __disjvr_0^0'=__disjvr_0^post0, (-b^0 <= 0 /\ -__disjvr_0^post0+__disjvr_0^0 == 0 /\ -1+b^post0 == 0), cost: 1 New rule: l0 -> l2 : b^0'=1, b^0 >= 0, cost: 1 Applied preprocessing Original rule: l2 -> l3 : b^0'=b^post1, __disjvr_0^0'=__disjvr_0^post1, (-__disjvr_0^0+__disjvr_0^post1 == 0 /\ __disjvr_0^0-__disjvr_0^post1 == 0 /\ b^0-b^post1 == 0), cost: 1 New rule: l2 -> l3 : 0 == 0, cost: 1 Applied preprocessing Original rule: l3 -> l1 : b^0'=b^post2, __disjvr_0^0'=__disjvr_0^post2, (b^post2 == 0 /\ __disjvr_0^0-__disjvr_0^post2 == 0), cost: 1 New rule: l3 -> l1 : b^0'=0, TRUE, cost: 1 Applied preprocessing Original rule: l1 -> l0 : b^0'=b^post3, __disjvr_0^0'=__disjvr_0^post3, (b^0-b^post3 == 0 /\ -__disjvr_0^post3+__disjvr_0^0 == 0), cost: 1 New rule: l1 -> l0 : TRUE, cost: 1 Applied preprocessing Original rule: l4 -> l0 : b^0'=b^post4, __disjvr_0^0'=__disjvr_0^post4, (b^0-b^post4 == 0 /\ __disjvr_0^0-__disjvr_0^post4 == 0), cost: 1 New rule: l4 -> l0 : TRUE, cost: 1 Applied preprocessing Original rule: l5 -> l4 : b^0'=b^post5, __disjvr_0^0'=__disjvr_0^post5, (b^0-b^post5 == 0 /\ -__disjvr_0^post5+__disjvr_0^0 == 0), cost: 1 New rule: l5 -> l4 : TRUE, cost: 1 Simplified rules Start location: l5 6: l0 -> l2 : b^0'=1, b^0 >= 0, cost: 1 7: l2 -> l3 : 0 == 0, cost: 1 8: l3 -> l1 : b^0'=0, TRUE, cost: 1 9: l1 -> l0 : TRUE, cost: 1 10: l4 -> l0 : TRUE, cost: 1 11: l5 -> l4 : TRUE, cost: 1 Eliminating location l4 by chaining: Applied chaining First rule: l5 -> l4 : TRUE, cost: 1 Second rule: l4 -> l0 : TRUE, cost: 1 New rule: l5 -> l0 : TRUE, cost: 2 Applied deletion Removed the following rules: 10 11 Eliminating location l2 by chaining: Applied chaining First rule: l0 -> l2 : b^0'=1, b^0 >= 0, cost: 1 Second rule: l2 -> l3 : 0 == 0, cost: 1 New rule: l0 -> l3 : b^0'=1, (0 == 0 /\ b^0 >= 0), cost: 2 Applied simplification Original rule: l0 -> l3 : b^0'=1, (0 == 0 /\ b^0 >= 0), cost: 2 New rule: l0 -> l3 : b^0'=1, b^0 >= 0, cost: 2 Applied deletion Removed the following rules: 6 7 Eliminating location l3 by chaining: Applied chaining First rule: l0 -> l3 : b^0'=1, b^0 >= 0, cost: 2 Second rule: l3 -> l1 : b^0'=0, TRUE, cost: 1 New rule: l0 -> l1 : b^0'=0, b^0 >= 0, cost: 3 Applied deletion Removed the following rules: 8 13 Eliminating location l1 by chaining: Applied chaining First rule: l0 -> l1 : b^0'=0, b^0 >= 0, cost: 3 Second rule: l1 -> l0 : TRUE, cost: 1 New rule: l0 -> l0 : b^0'=0, b^0 >= 0, cost: 4 Applied deletion Removed the following rules: 9 14 Eliminated locations on linear paths Start location: l5 15: l0 -> l0 : b^0'=0, b^0 >= 0, cost: 4 12: l5 -> l0 : TRUE, cost: 2 Applied nonterm Original rule: l0 -> l0 : b^0'=0, b^0 >= 0, cost: 4 New rule: l0 -> [6] : (b^0 >= 0 /\ -1+n >= 0), cost: NONTERM Sub-proof via acceration calculus written to file:///tmp/tmpnam_dMlmgL.txt Applied deletion Removed the following rules: 15 Accelerated simple loops Start location: l5 16: l0 -> [6] : (b^0 >= 0 /\ -1+n >= 0), cost: NONTERM 12: l5 -> l0 : TRUE, cost: 2 Applied chaining First rule: l5 -> l0 : TRUE, cost: 2 Second rule: l0 -> [6] : (b^0 >= 0 /\ -1+n >= 0), cost: NONTERM New rule: l5 -> [6] : b^0 >= 0, cost: NONTERM Applied deletion Removed the following rules: 16 Chained accelerated rules with incoming rules Start location: l5 12: l5 -> l0 : TRUE, cost: 2 17: l5 -> [6] : b^0 >= 0, cost: NONTERM Removed unreachable locations and irrelevant leafs Start location: l5 17: l5 -> [6] : b^0 >= 0, cost: NONTERM Computing asymptotic complexity Proved nontermination of rule 17 via SMT. Proved the following lower bound Complexity: Nonterm Cpx degree: Nonterm Solved cost: NONTERM Rule cost: NONTERM Rule guard: b^0 >= 0