WORST_CASE(Omega(0),?) Initial ITS Start location: __init 0: f1_0_main_Load -> f152_0_gcd_EQ : arg2'=arg2P0, arg1'=arg1P0, (1+arg2P0 > 0 /\ 1+arg2 > 0 /\ arg1 > 0 /\ 1+arg1P0 > 0), cost: 1 1: f152_0_gcd_EQ -> f198_0_mod_LE : arg2'=arg2P1, arg1'=arg1P1, (1+arg1 > 0 /\ arg2 > 0 /\ arg2-arg1 > 0 /\ arg1-arg1P1 == 0 /\ arg2-arg2P1 == 0), cost: 1 2: f152_0_gcd_EQ -> f198_0_mod_LE : arg2'=arg2P2, arg1'=arg1P2, (1+arg1 > 0 /\ arg2 > 0 /\ arg2-arg1 < 0 /\ arg1-arg1P2 == 0 /\ arg2-arg2P2 == 0), cost: 1 4: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg2P4, arg1'=arg1P4, (arg1-arg1P4 == 0 /\ -arg2+arg1 == 0 /\ arg1 > 0 /\ -arg2P4 == 0), cost: 1 3: f198_0_mod_LE -> f198_0_mod_LE : arg2'=arg2P3, arg1'=arg1P3, (arg2 > 0 /\ arg2-arg1 < 0 /\ -arg2-arg1P3+arg1 == 0 /\ arg1 > 0 /\ arg2-arg2P3 == 0), cost: 1 5: f198_0_mod_LE -> f152_0_gcd_EQ : arg2'=arg2P5, arg1'=arg1P5, (arg2-arg1P5 == 0 /\ -arg2P5+arg1 == 0 /\ -arg2+arg1 < 0), cost: 1 6: __init -> f1_0_main_Load : arg2'=arg2P6, arg1'=arg1P6, TRUE, cost: 1 Applied preprocessing Original rule: f152_0_gcd_EQ -> f198_0_mod_LE : arg2'=arg2P1, arg1'=arg1P1, (1+arg1 > 0 /\ arg2 > 0 /\ arg2-arg1 > 0 /\ arg1-arg1P1 == 0 /\ arg2-arg2P1 == 0), cost: 1 New rule: f152_0_gcd_EQ -> f198_0_mod_LE : (1+arg1 > 0 /\ arg2-arg1 > 0), cost: 1 Applied preprocessing Original rule: f152_0_gcd_EQ -> f198_0_mod_LE : arg2'=arg2P2, arg1'=arg1P2, (1+arg1 > 0 /\ arg2 > 0 /\ arg2-arg1 < 0 /\ arg1-arg1P2 == 0 /\ arg2-arg2P2 == 0), cost: 1 New rule: f152_0_gcd_EQ -> f198_0_mod_LE : (arg2 > 0 /\ -arg2+arg1 > 0), cost: 1 Applied preprocessing Original rule: f198_0_mod_LE -> f198_0_mod_LE : arg2'=arg2P3, arg1'=arg1P3, (arg2 > 0 /\ arg2-arg1 < 0 /\ -arg2-arg1P3+arg1 == 0 /\ arg1 > 0 /\ arg2-arg2P3 == 0), cost: 1 New rule: f198_0_mod_LE -> f198_0_mod_LE : arg1'=-arg2+arg1, (arg2 > 0 /\ -arg2+arg1 > 0), cost: 1 Applied preprocessing Original rule: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg2P4, arg1'=arg1P4, (arg1-arg1P4 == 0 /\ -arg2+arg1 == 0 /\ arg1 > 0 /\ -arg2P4 == 0), cost: 1 New rule: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=0, (-arg2+arg1 == 0 /\ arg1 > 0), cost: 1 Applied preprocessing Original rule: f198_0_mod_LE -> f152_0_gcd_EQ : arg2'=arg2P5, arg1'=arg1P5, (arg2-arg1P5 == 0 /\ -arg2P5+arg1 == 0 /\ -arg2+arg1 < 0), cost: 1 New rule: f198_0_mod_LE -> f152_0_gcd_EQ : arg2'=arg1, arg1'=arg2, arg2-arg1 > 0, cost: 1 Simplified rules Start location: __init 0: f1_0_main_Load -> f152_0_gcd_EQ : arg2'=arg2P0, arg1'=arg1P0, (1+arg2P0 > 0 /\ 1+arg2 > 0 /\ arg1 > 0 /\ 1+arg1P0 > 0), cost: 1 7: f152_0_gcd_EQ -> f198_0_mod_LE : (1+arg1 > 0 /\ arg2-arg1 > 0), cost: 1 8: f152_0_gcd_EQ -> f198_0_mod_LE : (arg2 > 0 /\ -arg2+arg1 > 0), cost: 1 10: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=0, (-arg2+arg1 == 0 /\ arg1 > 0), cost: 1 9: f198_0_mod_LE -> f198_0_mod_LE : arg1'=-arg2+arg1, (arg2 > 0 /\ -arg2+arg1 > 0), cost: 1 11: f198_0_mod_LE -> f152_0_gcd_EQ : arg2'=arg1, arg1'=arg2, arg2-arg1 > 0, cost: 1 6: __init -> f1_0_main_Load : arg2'=arg2P6, arg1'=arg1P6, TRUE, cost: 1 Applied acceleration Original rule: f198_0_mod_LE -> f198_0_mod_LE : arg1'=-arg2+arg1, (arg2 > 0 /\ -arg2+arg1 > 0), cost: 1 New rule: f198_0_mod_LE -> f198_0_mod_LE : arg1'=arg1-arg2*n0, (arg2 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ n0 >= 0), cost: n0 Sub-proof via acceration calculus written to file:///tmp/tmpnam_EnpChA.txt Applied deletion Removed the following rules: 9 Accelerated simple loops Start location: __init 0: f1_0_main_Load -> f152_0_gcd_EQ : arg2'=arg2P0, arg1'=arg1P0, (1+arg2P0 > 0 /\ 1+arg2 > 0 /\ arg1 > 0 /\ 1+arg1P0 > 0), cost: 1 7: f152_0_gcd_EQ -> f198_0_mod_LE : (1+arg1 > 0 /\ arg2-arg1 > 0), cost: 1 8: f152_0_gcd_EQ -> f198_0_mod_LE : (arg2 > 0 /\ -arg2+arg1 > 0), cost: 1 10: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=0, (-arg2+arg1 == 0 /\ arg1 > 0), cost: 1 11: f198_0_mod_LE -> f152_0_gcd_EQ : arg2'=arg1, arg1'=arg2, arg2-arg1 > 0, cost: 1 12: f198_0_mod_LE -> f198_0_mod_LE : arg1'=arg1-arg2*n0, (arg2 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ n0 >= 0), cost: n0 6: __init -> f1_0_main_Load : arg2'=arg2P6, arg1'=arg1P6, TRUE, cost: 1 Applied chaining First rule: f1_0_main_Load -> f152_0_gcd_EQ : arg2'=arg2P0, arg1'=arg1P0, (1+arg2P0 > 0 /\ 1+arg2 > 0 /\ arg1 > 0 /\ 1+arg1P0 > 0), cost: 1 Second rule: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=0, (-arg2+arg1 == 0 /\ arg1 > 0), cost: 1 New rule: f1_0_main_Load -> f152_0_gcd_EQ : arg2'=0, arg1'=arg2P0, (arg2P0 > 0 /\ 1+arg2 > 0 /\ arg1 > 0), cost: 2 Applied deletion Removed the following rules: 10 Applied chaining First rule: f152_0_gcd_EQ -> f198_0_mod_LE : (1+arg1 > 0 /\ arg2-arg1 > 0), cost: 1 Second rule: f198_0_mod_LE -> f198_0_mod_LE : arg1'=arg1-arg2*n0, (arg2 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ n0 >= 0), cost: n0 New rule: f152_0_gcd_EQ -> f198_0_mod_LE : arg1'=arg1-arg2*n0, (arg2 > 0 /\ arg2-arg1 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ n0 >= 0), cost: 1+n0 Applied chaining First rule: f152_0_gcd_EQ -> f198_0_mod_LE : (arg2 > 0 /\ -arg2+arg1 > 0), cost: 1 Second rule: f198_0_mod_LE -> f198_0_mod_LE : arg1'=arg1-arg2*n0, (arg2 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ n0 >= 0), cost: n0 New rule: f152_0_gcd_EQ -> f198_0_mod_LE : arg1'=arg1-arg2*n0, (arg2 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ -arg2+arg1 > 0 /\ n0 >= 0), cost: 1+n0 Applied deletion Removed the following rules: 12 Chained accelerated rules with incoming rules Start location: __init 0: f1_0_main_Load -> f152_0_gcd_EQ : arg2'=arg2P0, arg1'=arg1P0, (1+arg2P0 > 0 /\ 1+arg2 > 0 /\ arg1 > 0 /\ 1+arg1P0 > 0), cost: 1 13: f1_0_main_Load -> f152_0_gcd_EQ : arg2'=0, arg1'=arg2P0, (arg2P0 > 0 /\ 1+arg2 > 0 /\ arg1 > 0), cost: 2 7: f152_0_gcd_EQ -> f198_0_mod_LE : (1+arg1 > 0 /\ arg2-arg1 > 0), cost: 1 8: f152_0_gcd_EQ -> f198_0_mod_LE : (arg2 > 0 /\ -arg2+arg1 > 0), cost: 1 14: f152_0_gcd_EQ -> f198_0_mod_LE : arg1'=arg1-arg2*n0, (arg2 > 0 /\ arg2-arg1 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ n0 >= 0), cost: 1+n0 15: f152_0_gcd_EQ -> f198_0_mod_LE : arg1'=arg1-arg2*n0, (arg2 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ -arg2+arg1 > 0 /\ n0 >= 0), cost: 1+n0 11: f198_0_mod_LE -> f152_0_gcd_EQ : arg2'=arg1, arg1'=arg2, arg2-arg1 > 0, cost: 1 6: __init -> f1_0_main_Load : arg2'=arg2P6, arg1'=arg1P6, TRUE, cost: 1 Eliminating location f1_0_main_Load by chaining: Applied chaining First rule: __init -> f1_0_main_Load : arg2'=arg2P6, arg1'=arg1P6, TRUE, cost: 1 Second rule: f1_0_main_Load -> f152_0_gcd_EQ : arg2'=arg2P0, arg1'=arg1P0, (1+arg2P0 > 0 /\ 1+arg2 > 0 /\ arg1 > 0 /\ 1+arg1P0 > 0), cost: 1 New rule: __init -> f152_0_gcd_EQ : arg2'=arg2P0, arg1'=arg1P0, (arg1P6 > 0 /\ 1+arg2P0 > 0 /\ 1+arg2P6 > 0 /\ 1+arg1P0 > 0), cost: 2 Applied chaining First rule: __init -> f1_0_main_Load : arg2'=arg2P6, arg1'=arg1P6, TRUE, cost: 1 Second rule: f1_0_main_Load -> f152_0_gcd_EQ : arg2'=0, arg1'=arg2P0, (arg2P0 > 0 /\ 1+arg2 > 0 /\ arg1 > 0), cost: 2 New rule: __init -> f152_0_gcd_EQ : arg2'=0, arg1'=arg2P0, (arg2P0 > 0 /\ arg1P6 > 0 /\ 1+arg2P6 > 0), cost: 3 Applied deletion Removed the following rules: 0 6 13 Eliminating location f198_0_mod_LE by chaining: Applied chaining First rule: f152_0_gcd_EQ -> f198_0_mod_LE : (1+arg1 > 0 /\ arg2-arg1 > 0), cost: 1 Second rule: f198_0_mod_LE -> f152_0_gcd_EQ : arg2'=arg1, arg1'=arg2, arg2-arg1 > 0, cost: 1 New rule: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg1, arg1'=arg2, (1+arg1 > 0 /\ arg2-arg1 > 0), cost: 2 Applied chaining First rule: f152_0_gcd_EQ -> f198_0_mod_LE : arg1'=arg1-arg2*n0, (arg2 > 0 /\ arg2-arg1 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ n0 >= 0), cost: 1+n0 Second rule: f198_0_mod_LE -> f152_0_gcd_EQ : arg2'=arg1, arg1'=arg2, arg2-arg1 > 0, cost: 1 New rule: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg1-arg2*n0, arg1'=arg2, (arg2 > 0 /\ arg2-arg1 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ n0 >= 0 /\ arg2-arg1+arg2*n0 > 0), cost: 2+n0 Applied simplification Original rule: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg1-arg2*n0, arg1'=arg2, (arg2 > 0 /\ arg2-arg1 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ n0 >= 0 /\ arg2-arg1+arg2*n0 > 0), cost: 2+n0 New rule: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg1-arg2*n0, arg1'=arg2, (arg2-arg1 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ n0 >= 0 /\ arg2-arg1+arg2*n0 > 0), cost: 2+n0 Applied chaining First rule: f152_0_gcd_EQ -> f198_0_mod_LE : arg1'=arg1-arg2*n0, (arg2 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ -arg2+arg1 > 0 /\ n0 >= 0), cost: 1+n0 Second rule: f198_0_mod_LE -> f152_0_gcd_EQ : arg2'=arg1, arg1'=arg2, arg2-arg1 > 0, cost: 1 New rule: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg1-arg2*n0, arg1'=arg2, (arg2 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ -arg2+arg1 > 0 /\ n0 >= 0 /\ arg2-arg1+arg2*n0 > 0), cost: 2+n0 Applied simplification Original rule: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg1-arg2*n0, arg1'=arg2, (arg2 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ -arg2+arg1 > 0 /\ n0 >= 0 /\ arg2-arg1+arg2*n0 > 0), cost: 2+n0 New rule: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg1-arg2*n0, arg1'=arg2, (-arg2-arg2*(-1+n0)+arg1 > 0 /\ -arg2+arg1 > 0 /\ arg2-arg1+arg2*n0 > 0), cost: 2+n0 Applied deletion Removed the following rules: 7 8 11 14 15 Eliminated locations on tree-shaped paths Start location: __init 18: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg1, arg1'=arg2, (1+arg1 > 0 /\ arg2-arg1 > 0), cost: 2 19: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg1-arg2*n0, arg1'=arg2, (arg2-arg1 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ n0 >= 0 /\ arg2-arg1+arg2*n0 > 0), cost: 2+n0 20: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg1-arg2*n0, arg1'=arg2, (-arg2-arg2*(-1+n0)+arg1 > 0 /\ -arg2+arg1 > 0 /\ arg2-arg1+arg2*n0 > 0), cost: 2+n0 16: __init -> f152_0_gcd_EQ : arg2'=arg2P0, arg1'=arg1P0, (arg1P6 > 0 /\ 1+arg2P0 > 0 /\ 1+arg2P6 > 0 /\ 1+arg1P0 > 0), cost: 2 17: __init -> f152_0_gcd_EQ : arg2'=0, arg1'=arg2P0, (arg2P0 > 0 /\ arg1P6 > 0 /\ 1+arg2P6 > 0), cost: 3 Accelerated simple loops Start location: __init 18: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg1, arg1'=arg2, (1+arg1 > 0 /\ arg2-arg1 > 0), cost: 2 19: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg1-arg2*n0, arg1'=arg2, (arg2-arg1 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ n0 >= 0 /\ arg2-arg1+arg2*n0 > 0), cost: 2+n0 20: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg1-arg2*n0, arg1'=arg2, (-arg2-arg2*(-1+n0)+arg1 > 0 /\ -arg2+arg1 > 0 /\ arg2-arg1+arg2*n0 > 0), cost: 2+n0 16: __init -> f152_0_gcd_EQ : arg2'=arg2P0, arg1'=arg1P0, (arg1P6 > 0 /\ 1+arg2P0 > 0 /\ 1+arg2P6 > 0 /\ 1+arg1P0 > 0), cost: 2 17: __init -> f152_0_gcd_EQ : arg2'=0, arg1'=arg2P0, (arg2P0 > 0 /\ arg1P6 > 0 /\ 1+arg2P6 > 0), cost: 3 Applied chaining First rule: __init -> f152_0_gcd_EQ : arg2'=arg2P0, arg1'=arg1P0, (arg1P6 > 0 /\ 1+arg2P0 > 0 /\ 1+arg2P6 > 0 /\ 1+arg1P0 > 0), cost: 2 Second rule: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg1, arg1'=arg2, (1+arg1 > 0 /\ arg2-arg1 > 0), cost: 2 New rule: __init -> f152_0_gcd_EQ : arg2'=arg1P0, arg1'=arg2P0, (arg2P0-arg1P0 > 0 /\ 1+arg1P0 > 0), cost: 4 Applied chaining First rule: __init -> f152_0_gcd_EQ : arg2'=arg2P0, arg1'=arg1P0, (arg1P6 > 0 /\ 1+arg2P0 > 0 /\ 1+arg2P6 > 0 /\ 1+arg1P0 > 0), cost: 2 Second rule: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg1-arg2*n0, arg1'=arg2, (arg2-arg1 > 0 /\ -arg2-arg2*(-1+n0)+arg1 > 0 /\ n0 >= 0 /\ arg2-arg1+arg2*n0 > 0), cost: 2+n0 New rule: __init -> f152_0_gcd_EQ : arg2'=arg1P0-arg2P0*n0, arg1'=arg2P0, (arg2P0-arg1P0 > 0 /\ -arg2P0-arg2P0*(-1+n0)+arg1P0 > 0 /\ arg2P0-arg1P0+arg2P0*n0 > 0 /\ n0 >= 0), cost: 4+n0 Applied chaining First rule: __init -> f152_0_gcd_EQ : arg2'=arg2P0, arg1'=arg1P0, (arg1P6 > 0 /\ 1+arg2P0 > 0 /\ 1+arg2P6 > 0 /\ 1+arg1P0 > 0), cost: 2 Second rule: f152_0_gcd_EQ -> f152_0_gcd_EQ : arg2'=arg1-arg2*n0, arg1'=arg2, (-arg2-arg2*(-1+n0)+arg1 > 0 /\ -arg2+arg1 > 0 /\ arg2-arg1+arg2*n0 > 0), cost: 2+n0 New rule: __init -> f152_0_gcd_EQ : arg2'=arg1P0-arg2P0*n0, arg1'=arg2P0, (-arg2P0+arg1P0 > 0 /\ -arg2P0-arg2P0*(-1+n0)+arg1P0 > 0 /\ arg2P0-arg1P0+arg2P0*n0 > 0), cost: 4+n0 Applied deletion Removed the following rules: 18 19 20 Chained accelerated rules with incoming rules Start location: __init 16: __init -> f152_0_gcd_EQ : arg2'=arg2P0, arg1'=arg1P0, (arg1P6 > 0 /\ 1+arg2P0 > 0 /\ 1+arg2P6 > 0 /\ 1+arg1P0 > 0), cost: 2 17: __init -> f152_0_gcd_EQ : arg2'=0, arg1'=arg2P0, (arg2P0 > 0 /\ arg1P6 > 0 /\ 1+arg2P6 > 0), cost: 3 21: __init -> f152_0_gcd_EQ : arg2'=arg1P0, arg1'=arg2P0, (arg2P0-arg1P0 > 0 /\ 1+arg1P0 > 0), cost: 4 22: __init -> f152_0_gcd_EQ : arg2'=arg1P0-arg2P0*n0, arg1'=arg2P0, (arg2P0-arg1P0 > 0 /\ -arg2P0-arg2P0*(-1+n0)+arg1P0 > 0 /\ arg2P0-arg1P0+arg2P0*n0 > 0 /\ n0 >= 0), cost: 4+n0 23: __init -> f152_0_gcd_EQ : arg2'=arg1P0-arg2P0*n0, arg1'=arg2P0, (-arg2P0+arg1P0 > 0 /\ -arg2P0-arg2P0*(-1+n0)+arg1P0 > 0 /\ arg2P0-arg1P0+arg2P0*n0 > 0), cost: 4+n0 Removed unreachable locations and irrelevant leafs Start location: __init Computing asymptotic complexity Proved the following lower bound Complexity: Unknown Cpx degree: ? Solved cost: 0 Rule cost: 0