NO Initial ITS Start location: l5 0: l0 -> l1 : x_5^0'=x_5^post0, Result_4^0'=Result_4^post0, (-Result_4^post0+Result_4^0 == 0 /\ -x_5^post0+x_5^0 == 0), cost: 1 1: l1 -> l2 : x_5^0'=x_5^post1, Result_4^0'=Result_4^post1, (0 == 0 /\ x_5^0 <= 0 /\ x_5^0-x_5^post1 == 0 /\ -x_5^0 <= 0), cost: 1 2: l1 -> l3 : x_5^0'=x_5^post2, Result_4^0'=Result_4^post2, (0 == 0 /\ Result_4^0-Result_4^post2 == 0 /\ -x_5^0 <= 0 /\ -1+x_5^post2-x_5^10 == 0 /\ 1-x_5^0 <= 0), cost: 1 4: l1 -> l4 : x_5^0'=x_5^post4, Result_4^0'=Result_4^post4, (0 == 0 /\ 1-x_5^11+x_5^post4 == 0 /\ 1+x_5^0 <= 0 /\ -Result_4^post4+Result_4^0 == 0), cost: 1 3: l3 -> l1 : x_5^0'=x_5^post3, Result_4^0'=Result_4^post3, (-Result_4^post3+Result_4^0 == 0 /\ x_5^0-x_5^post3 == 0), cost: 1 5: l4 -> l1 : x_5^0'=x_5^post5, Result_4^0'=Result_4^post5, (Result_4^0-Result_4^post5 == 0 /\ x_5^0-x_5^post5 == 0), cost: 1 6: l5 -> l0 : x_5^0'=x_5^post6, Result_4^0'=Result_4^post6, (-Result_4^post6+Result_4^0 == 0 /\ -x_5^post6+x_5^0 == 0), cost: 1 Removed unreachable rules and leafs Start location: l5 0: l0 -> l1 : x_5^0'=x_5^post0, Result_4^0'=Result_4^post0, (-Result_4^post0+Result_4^0 == 0 /\ -x_5^post0+x_5^0 == 0), cost: 1 2: l1 -> l3 : x_5^0'=x_5^post2, Result_4^0'=Result_4^post2, (0 == 0 /\ Result_4^0-Result_4^post2 == 0 /\ -x_5^0 <= 0 /\ -1+x_5^post2-x_5^10 == 0 /\ 1-x_5^0 <= 0), cost: 1 4: l1 -> l4 : x_5^0'=x_5^post4, Result_4^0'=Result_4^post4, (0 == 0 /\ 1-x_5^11+x_5^post4 == 0 /\ 1+x_5^0 <= 0 /\ -Result_4^post4+Result_4^0 == 0), cost: 1 3: l3 -> l1 : x_5^0'=x_5^post3, Result_4^0'=Result_4^post3, (-Result_4^post3+Result_4^0 == 0 /\ x_5^0-x_5^post3 == 0), cost: 1 5: l4 -> l1 : x_5^0'=x_5^post5, Result_4^0'=Result_4^post5, (Result_4^0-Result_4^post5 == 0 /\ x_5^0-x_5^post5 == 0), cost: 1 6: l5 -> l0 : x_5^0'=x_5^post6, Result_4^0'=Result_4^post6, (-Result_4^post6+Result_4^0 == 0 /\ -x_5^post6+x_5^0 == 0), cost: 1 Applied preprocessing Original rule: l0 -> l1 : x_5^0'=x_5^post0, Result_4^0'=Result_4^post0, (-Result_4^post0+Result_4^0 == 0 /\ -x_5^post0+x_5^0 == 0), cost: 1 New rule: l0 -> l1 : TRUE, cost: 1 Applied preprocessing Original rule: l1 -> l3 : x_5^0'=x_5^post2, Result_4^0'=Result_4^post2, (0 == 0 /\ Result_4^0-Result_4^post2 == 0 /\ -x_5^0 <= 0 /\ -1+x_5^post2-x_5^10 == 0 /\ 1-x_5^0 <= 0), cost: 1 New rule: l1 -> l3 : x_5^0'=1+x_5^10, -1+x_5^0 >= 0, cost: 1 Applied preprocessing Original rule: l3 -> l1 : x_5^0'=x_5^post3, Result_4^0'=Result_4^post3, (-Result_4^post3+Result_4^0 == 0 /\ x_5^0-x_5^post3 == 0), cost: 1 New rule: l3 -> l1 : TRUE, cost: 1 Applied preprocessing Original rule: l1 -> l4 : x_5^0'=x_5^post4, Result_4^0'=Result_4^post4, (0 == 0 /\ 1-x_5^11+x_5^post4 == 0 /\ 1+x_5^0 <= 0 /\ -Result_4^post4+Result_4^0 == 0), cost: 1 New rule: l1 -> l4 : x_5^0'=-1+x_5^11, 1+x_5^0 <= 0, cost: 1 Applied preprocessing Original rule: l4 -> l1 : x_5^0'=x_5^post5, Result_4^0'=Result_4^post5, (Result_4^0-Result_4^post5 == 0 /\ x_5^0-x_5^post5 == 0), cost: 1 New rule: l4 -> l1 : TRUE, cost: 1 Applied preprocessing Original rule: l5 -> l0 : x_5^0'=x_5^post6, Result_4^0'=Result_4^post6, (-Result_4^post6+Result_4^0 == 0 /\ -x_5^post6+x_5^0 == 0), cost: 1 New rule: l5 -> l0 : TRUE, cost: 1 Simplified rules Start location: l5 7: l0 -> l1 : TRUE, cost: 1 8: l1 -> l3 : x_5^0'=1+x_5^10, -1+x_5^0 >= 0, cost: 1 10: l1 -> l4 : x_5^0'=-1+x_5^11, 1+x_5^0 <= 0, cost: 1 9: l3 -> l1 : TRUE, cost: 1 11: l4 -> l1 : TRUE, cost: 1 12: l5 -> l0 : TRUE, cost: 1 Eliminating location l0 by chaining: Applied chaining First rule: l5 -> l0 : TRUE, cost: 1 Second rule: l0 -> l1 : TRUE, cost: 1 New rule: l5 -> l1 : TRUE, cost: 2 Applied deletion Removed the following rules: 7 12 Eliminating location l3 by chaining: Applied chaining First rule: l1 -> l3 : x_5^0'=1+x_5^10, -1+x_5^0 >= 0, cost: 1 Second rule: l3 -> l1 : TRUE, cost: 1 New rule: l1 -> l1 : x_5^0'=1+x_5^10, -1+x_5^0 >= 0, cost: 2 Applied deletion Removed the following rules: 8 9 Eliminating location l4 by chaining: Applied chaining First rule: l1 -> l4 : x_5^0'=-1+x_5^11, 1+x_5^0 <= 0, cost: 1 Second rule: l4 -> l1 : TRUE, cost: 1 New rule: l1 -> l1 : x_5^0'=-1+x_5^11, 1+x_5^0 <= 0, cost: 2 Applied deletion Removed the following rules: 10 11 Eliminated locations on linear paths Start location: l5 14: l1 -> l1 : x_5^0'=1+x_5^10, -1+x_5^0 >= 0, cost: 2 15: l1 -> l1 : x_5^0'=-1+x_5^11, 1+x_5^0 <= 0, cost: 2 13: l5 -> l1 : TRUE, cost: 2 Applied acceleration Original rule: l1 -> l1 : x_5^0'=1+x_5^10, -1+x_5^0 >= 0, cost: 2 New rule: l1 -> l1 : x_5^0'=1+x_5^10, (-1+n >= 0 /\ -1+x_5^0 >= 0 /\ x_5^10 >= 0), cost: 2*n Sub-proof via acceration calculus written to file:///tmp/tmpnam_DnACMM.txt Applied nonterm Original rule: l1 -> l1 : x_5^0'=1+x_5^10, -1+x_5^0 >= 0, cost: 2 New rule: l1 -> [6] : (-1+x_5^0-x_5^10 <= 0 /\ -1+x_5^0 >= 0), cost: NONTERM Sub-proof via acceration calculus written to file:///tmp/tmpnam_pJKgLd.txt Applied acceleration Original rule: l1 -> l1 : x_5^0'=-1+x_5^11, 1+x_5^0 <= 0, cost: 2 New rule: l1 -> l1 : x_5^0'=-1+x_5^11, (-1+n0 >= 0 /\ -1-x_5^0 >= 0 /\ -x_5^11 >= 0), cost: 2*n0 Sub-proof via acceration calculus written to file:///tmp/tmpnam_MgKEEa.txt Applied nonterm Original rule: l1 -> l1 : x_5^0'=-1+x_5^11, 1+x_5^0 <= 0, cost: 2 New rule: l1 -> [6] : (-1-x_5^0 >= 0 /\ -1-x_5^0+x_5^11 <= 0), cost: NONTERM Sub-proof via acceration calculus written to file:///tmp/tmpnam_oDkmBd.txt Applied chaining First rule: l1 -> l1 : x_5^0'=-1+x_5^11, 1+x_5^0 <= 0, cost: 2 Second rule: l1 -> l1 : x_5^0'=1+x_5^10, -1+x_5^0 >= 0, cost: 2 New rule: l1 -> l1 : x_5^0'=1+x_5^10, 1+x_5^0 <= 0, cost: 4 Applied acceleration Original rule: l1 -> l1 : x_5^0'=1+x_5^10, 1+x_5^0 <= 0, cost: 4 New rule: l1 -> l1 : x_5^0'=1+x_5^10, (-2-x_5^10 >= 0 /\ -1+n1 >= 0 /\ -1-x_5^0 >= 0), cost: 4*n1 Sub-proof via acceration calculus written to file:///tmp/tmpnam_dBfLmd.txt Applied nonterm Original rule: l1 -> l1 : x_5^0'=1+x_5^10, 1+x_5^0 <= 0, cost: 4 New rule: l1 -> [6] : (-1-x_5^0 >= 0 /\ 1-x_5^0+x_5^10 <= 0), cost: NONTERM Sub-proof via acceration calculus written to file:///tmp/tmpnam_hDHOah.txt Applied chaining First rule: l1 -> l1 : x_5^0'=1+x_5^10, -1+x_5^0 >= 0, cost: 2 Second rule: l1 -> [6] : (-1-x_5^0 >= 0 /\ 1-x_5^0+x_5^10 <= 0), cost: NONTERM New rule: l1 -> [6] : (0 <= 0 /\ -2-x_5^10 >= 0 /\ -1+x_5^0 >= 0), cost: NONTERM Applied chaining First rule: l1 -> l1 : x_5^0'=1+x_5^10, -1+x_5^0 >= 0, cost: 2 Second rule: l1 -> l1 : x_5^0'=-1+x_5^11, 1+x_5^0 <= 0, cost: 2 New rule: l1 -> l1 : x_5^0'=-1+x_5^11, -1+x_5^0 >= 0, cost: 4 Applied acceleration Original rule: l1 -> l1 : x_5^0'=-1+x_5^11, -1+x_5^0 >= 0, cost: 4 New rule: l1 -> l1 : x_5^0'=-1+x_5^11, (-2+x_5^11 >= 0 /\ -1+n2 >= 0 /\ -1+x_5^0 >= 0), cost: 4*n2 Sub-proof via acceration calculus written to file:///tmp/tmpnam_gegPbI.txt Applied nonterm Original rule: l1 -> l1 : x_5^0'=-1+x_5^11, -1+x_5^0 >= 0, cost: 4 New rule: l1 -> [6] : (1+x_5^0-x_5^11 <= 0 /\ -1+x_5^0 >= 0), cost: NONTERM Sub-proof via acceration calculus written to file:///tmp/tmpnam_PHKpeb.txt Applied chaining First rule: l1 -> l1 : x_5^0'=-1+x_5^11, 1+x_5^0 <= 0, cost: 2 Second rule: l1 -> [6] : (1+x_5^0-x_5^11 <= 0 /\ -1+x_5^0 >= 0), cost: NONTERM New rule: l1 -> [6] : (0 <= 0 /\ -2+x_5^11 >= 0 /\ 1+x_5^0 <= 0), cost: NONTERM Applied simplification Original rule: l1 -> l1 : x_5^0'=-1+x_5^11, (-1+n0 >= 0 /\ -1-x_5^0 >= 0 /\ -x_5^11 >= 0), cost: 2*n0 New rule: l1 -> l1 : x_5^0'=-1+x_5^11, (-1+n0 >= 0 /\ 1+x_5^0 <= 0 /\ x_5^11 <= 0), cost: 2*n0 Applied simplification Original rule: l1 -> [6] : (-1-x_5^0 >= 0 /\ -1-x_5^0+x_5^11 <= 0), cost: NONTERM New rule: l1 -> [6] : (1+x_5^0 <= 0 /\ -1-x_5^0+x_5^11 <= 0), cost: NONTERM Applied simplification Original rule: l1 -> [6] : (-1-x_5^0 >= 0 /\ 1-x_5^0+x_5^10 <= 0), cost: NONTERM New rule: l1 -> [6] : (1+x_5^0 <= 0 /\ 1-x_5^0+x_5^10 <= 0), cost: NONTERM Applied simplification Original rule: l1 -> [6] : (0 <= 0 /\ -2-x_5^10 >= 0 /\ -1+x_5^0 >= 0), cost: NONTERM New rule: l1 -> [6] : (-1+x_5^0 >= 0 /\ 2+x_5^10 <= 0), cost: NONTERM Applied simplification Original rule: l1 -> [6] : (0 <= 0 /\ -2+x_5^11 >= 0 /\ 1+x_5^0 <= 0), cost: NONTERM New rule: l1 -> [6] : (-2+x_5^11 >= 0 /\ 1+x_5^0 <= 0), cost: NONTERM Applied deletion Removed the following rules: 14 15 Accelerated simple loops Start location: l5 16: l1 -> l1 : x_5^0'=1+x_5^10, (-1+n >= 0 /\ -1+x_5^0 >= 0 /\ x_5^10 >= 0), cost: 2*n 17: l1 -> [6] : (-1+x_5^0-x_5^10 <= 0 /\ -1+x_5^0 >= 0), cost: NONTERM 22: l1 -> [6] : (1+x_5^0-x_5^11 <= 0 /\ -1+x_5^0 >= 0), cost: NONTERM 24: l1 -> l1 : x_5^0'=-1+x_5^11, (-1+n0 >= 0 /\ 1+x_5^0 <= 0 /\ x_5^11 <= 0), cost: 2*n0 25: l1 -> [6] : (1+x_5^0 <= 0 /\ -1-x_5^0+x_5^11 <= 0), cost: NONTERM 26: l1 -> [6] : (1+x_5^0 <= 0 /\ 1-x_5^0+x_5^10 <= 0), cost: NONTERM 27: l1 -> [6] : (-1+x_5^0 >= 0 /\ 2+x_5^10 <= 0), cost: NONTERM 28: l1 -> [6] : (-2+x_5^11 >= 0 /\ 1+x_5^0 <= 0), cost: NONTERM 13: l5 -> l1 : TRUE, cost: 2 Applied chaining First rule: l5 -> l1 : TRUE, cost: 2 Second rule: l1 -> l1 : x_5^0'=1+x_5^10, (-1+n >= 0 /\ -1+x_5^0 >= 0 /\ x_5^10 >= 0), cost: 2*n New rule: l5 -> l1 : x_5^0'=1+x_5^10, (-1+n >= 0 /\ -1+x_5^0 >= 0 /\ x_5^10 >= 0), cost: 2+2*n Applied chaining First rule: l5 -> l1 : TRUE, cost: 2 Second rule: l1 -> [6] : (-1+x_5^0-x_5^10 <= 0 /\ -1+x_5^0 >= 0), cost: NONTERM New rule: l5 -> [6] : -1+x_5^0 >= 0, cost: NONTERM Applied chaining First rule: l5 -> l1 : TRUE, cost: 2 Second rule: l1 -> [6] : (1+x_5^0-x_5^11 <= 0 /\ -1+x_5^0 >= 0), cost: NONTERM New rule: l5 -> [6] : -1+x_5^0 >= 0, cost: NONTERM Applied chaining First rule: l5 -> l1 : TRUE, cost: 2 Second rule: l1 -> l1 : x_5^0'=-1+x_5^11, (-1+n0 >= 0 /\ 1+x_5^0 <= 0 /\ x_5^11 <= 0), cost: 2*n0 New rule: l5 -> l1 : x_5^0'=-1+x_5^11, (-1+n0 >= 0 /\ 1+x_5^0 <= 0 /\ x_5^11 <= 0), cost: 2+2*n0 Applied chaining First rule: l5 -> l1 : TRUE, cost: 2 Second rule: l1 -> [6] : (1+x_5^0 <= 0 /\ -1-x_5^0+x_5^11 <= 0), cost: NONTERM New rule: l5 -> [6] : 1+x_5^0 <= 0, cost: NONTERM Applied chaining First rule: l5 -> l1 : TRUE, cost: 2 Second rule: l1 -> [6] : (1+x_5^0 <= 0 /\ 1-x_5^0+x_5^10 <= 0), cost: NONTERM New rule: l5 -> [6] : 1+x_5^0 <= 0, cost: NONTERM Applied chaining First rule: l5 -> l1 : TRUE, cost: 2 Second rule: l1 -> [6] : (-1+x_5^0 >= 0 /\ 2+x_5^10 <= 0), cost: NONTERM New rule: l5 -> [6] : -1+x_5^0 >= 0, cost: NONTERM Applied chaining First rule: l5 -> l1 : TRUE, cost: 2 Second rule: l1 -> [6] : (-2+x_5^11 >= 0 /\ 1+x_5^0 <= 0), cost: NONTERM New rule: l5 -> [6] : 1+x_5^0 <= 0, cost: NONTERM Applied deletion Removed the following rules: 16 17 22 24 25 26 27 28 Chained accelerated rules with incoming rules Start location: l5 13: l5 -> l1 : TRUE, cost: 2 29: l5 -> l1 : x_5^0'=1+x_5^10, (-1+n >= 0 /\ -1+x_5^0 >= 0 /\ x_5^10 >= 0), cost: 2+2*n 30: l5 -> [6] : -1+x_5^0 >= 0, cost: NONTERM 31: l5 -> l1 : x_5^0'=-1+x_5^11, (-1+n0 >= 0 /\ 1+x_5^0 <= 0 /\ x_5^11 <= 0), cost: 2+2*n0 32: l5 -> [6] : 1+x_5^0 <= 0, cost: NONTERM Removed unreachable locations and irrelevant leafs Start location: l5 30: l5 -> [6] : -1+x_5^0 >= 0, cost: NONTERM 32: l5 -> [6] : 1+x_5^0 <= 0, cost: NONTERM Computing asymptotic complexity Proved nontermination of rule 30 via SMT. Proved the following lower bound Complexity: Nonterm Cpx degree: Nonterm Solved cost: NONTERM Rule cost: NONTERM Rule guard: -1+x_5^0 >= 0