unknown Initial ITS Start location: __init Program variables: arg1 0: f1_0_main_ConstantStackPush -> f149_0_doSum_LT : arg1'=arg1p1, 10-arg1p1 == 0, cost: 1 1: f149_0_doSum_LT -> f163_0_factorial_GT : arg1'=arg1p2, (1+arg1 > 0 /\ -arg1p2+arg1 == 0), cost: 1 2: f149_0_doSum_LT -> f149_0_doSum_LT : arg1'=arg1p3, (1+arg1 > 0 /\ -1-arg1p3+arg1 == 0), cost: 1 3: f163_0_factorial_GT -> f163_0_factorial_GT : arg1'=arg1p4, (-1-arg1p4+arg1 == 0 /\ -1 < 0 /\ arg1 > 0), cost: 1 4: __init -> f1_0_main_ConstantStackPush : arg1'=arg1p5, T, cost: 1 Chained Linear Paths Start location: __init Program variables: arg1 1: f149_0_doSum_LT -> f163_0_factorial_GT : arg1'=arg1p2, (1+arg1 > 0 /\ -arg1p2+arg1 == 0), cost: 1 2: f149_0_doSum_LT -> f149_0_doSum_LT : arg1'=arg1p3, (1+arg1 > 0 /\ -1-arg1p3+arg1 == 0), cost: 1 3: f163_0_factorial_GT -> f163_0_factorial_GT : arg1'=arg1p4, (-1-arg1p4+arg1 == 0 /\ -1 < 0 /\ arg1 > 0), cost: 1 5: __init -> f149_0_doSum_LT : arg1'=arg1p1, 10-arg1p1 == 0, cost: 1 Eliminating location f1_0_main_ConstantStackPush by chaining: Applied chaining First rule: __init -> f1_0_main_ConstantStackPush : arg1'=arg1p5, T, cost: 1 Second rule: f1_0_main_ConstantStackPush -> f149_0_doSum_LT : arg1'=arg1p1, 10-arg1p1 == 0, cost: 1 New rule: __init -> f149_0_doSum_LT : arg1'=arg1p1, 10-arg1p1 == 0, cost: 1 Applied deletion Removed the following rules: 0 4 Simplified Transitions Start location: __init Program variables: arg1 6: f149_0_doSum_LT -> f163_0_factorial_GT : 1+arg1 > 0, cost: 1 7: f149_0_doSum_LT -> f149_0_doSum_LT : arg1'=-1+arg1, 1+arg1 > 0, cost: 1 8: f163_0_factorial_GT -> f163_0_factorial_GT : arg1'=-1+arg1, arg1 > 0, cost: 1 9: __init -> f149_0_doSum_LT : arg1'=10, T, cost: 1 Propagated Equalities Original rule: f149_0_doSum_LT -> f163_0_factorial_GT : arg1'=arg1p2, (1+arg1 > 0 /\ -arg1p2+arg1 == 0), cost: 1 New rule: f149_0_doSum_LT -> f163_0_factorial_GT : arg1'=arg1, (0 == 0 /\ 1+arg1 > 0), cost: 1 propagated equality arg1p2 = arg1 Simplified Guard Original rule: f149_0_doSum_LT -> f163_0_factorial_GT : arg1'=arg1, (0 == 0 /\ 1+arg1 > 0), cost: 1 New rule: f149_0_doSum_LT -> f163_0_factorial_GT : arg1'=arg1, 1+arg1 > 0, cost: 1 Removed Trivial Updates Original rule: f149_0_doSum_LT -> f163_0_factorial_GT : arg1'=arg1, 1+arg1 > 0, cost: 1 New rule: f149_0_doSum_LT -> f163_0_factorial_GT : 1+arg1 > 0, cost: 1 Propagated Equalities Original rule: f149_0_doSum_LT -> f149_0_doSum_LT : arg1'=arg1p3, (1+arg1 > 0 /\ -1-arg1p3+arg1 == 0), cost: 1 New rule: f149_0_doSum_LT -> f149_0_doSum_LT : arg1'=-1+arg1, (0 == 0 /\ 1+arg1 > 0), cost: 1 propagated equality arg1p3 = -1+arg1 Simplified Guard Original rule: f149_0_doSum_LT -> f149_0_doSum_LT : arg1'=-1+arg1, (0 == 0 /\ 1+arg1 > 0), cost: 1 New rule: f149_0_doSum_LT -> f149_0_doSum_LT : arg1'=-1+arg1, 1+arg1 > 0, cost: 1 Propagated Equalities Original rule: f163_0_factorial_GT -> f163_0_factorial_GT : arg1'=arg1p4, (-1-arg1p4+arg1 == 0 /\ -1 < 0 /\ arg1 > 0), cost: 1 New rule: f163_0_factorial_GT -> f163_0_factorial_GT : arg1'=-1+arg1, (0 == 0 /\ -1 < 0 /\ arg1 > 0), cost: 1 propagated equality arg1p4 = -1+arg1 Simplified Guard Original rule: f163_0_factorial_GT -> f163_0_factorial_GT : arg1'=-1+arg1, (0 == 0 /\ -1 < 0 /\ arg1 > 0), cost: 1 New rule: f163_0_factorial_GT -> f163_0_factorial_GT : arg1'=-1+arg1, arg1 > 0, cost: 1 Propagated Equalities Original rule: __init -> f149_0_doSum_LT : arg1'=arg1p1, 10-arg1p1 == 0, cost: 1 New rule: __init -> f149_0_doSum_LT : arg1'=10, 0 == 0, cost: 1 propagated equality arg1p1 = 10 Simplified Guard Original rule: __init -> f149_0_doSum_LT : arg1'=10, 0 == 0, cost: 1 New rule: __init -> f149_0_doSum_LT : arg1'=10, T, cost: 1 Step with 9 Trace 9[T] Blocked [{}, {}] Step with 6 Trace 9[T], 6[(1+arg1 > 0)] Blocked [{}, {}, {}] Step with 8 Trace 9[T], 6[(1+arg1 > 0)], 8[(arg1 > 0)] Blocked [{}, {}, {}, {}] Accelerate Start location: __init Program variables: arg1 6: f149_0_doSum_LT -> f163_0_factorial_GT : 1+arg1 > 0, cost: 1 7: f149_0_doSum_LT -> f149_0_doSum_LT : arg1'=-1+arg1, 1+arg1 > 0, cost: 1 8: f163_0_factorial_GT -> f163_0_factorial_GT : arg1'=-1+arg1, arg1 > 0, cost: 1 10: f163_0_factorial_GT -> f163_0_factorial_GT : arg1'=-n+arg1, (-1+n >= 0 /\ 1-n+arg1 > 0), cost: 1 9: __init -> f149_0_doSum_LT : arg1'=10, T, cost: 1 Loop Acceleration Original rule: f163_0_factorial_GT -> f163_0_factorial_GT : arg1'=-1+arg1, (arg1 > 0), cost: 1 New rule: f163_0_factorial_GT -> f163_0_factorial_GT : arg1'=-n+arg1, (-1+n >= 0 /\ 1-n+arg1 > 0), cost: 1 arg1 > 0 [0]: montonic decrease yields 1-n+arg1 > 0 arg1 > 0 [1]: eventual increase yields (1 <= 0 /\ arg1 > 0) Replacement map: {arg1 > 0 -> 1-n+arg1 > 0} Trace 9[T], 6[(1+arg1 > 0)], 10[(-1+n >= 0 /\ 1-n+arg1 > 0)] Blocked [{}, {}, {}, {8[T], 10[T]}] Backtrack Trace 9[T], 6[(1+arg1 > 0)] Blocked [{}, {}, {10[T]}] Step with 8 Trace 9[T], 6[(1+arg1 > 0)], 8[(arg1 > 0)] Blocked [{}, {}, {10[T]}, {}] Covered Trace 9[T], 6[(1+arg1 > 0)] Blocked [{}, {}, {8[T], 10[T]}] Backtrack Trace 9[T] Blocked [{}, {6[T]}] Step with 7 Trace 9[T], 7[(1+arg1 > 0)] Blocked [{}, {6[T]}, {}] Accelerate Start location: __init Program variables: arg1 6: f149_0_doSum_LT -> f163_0_factorial_GT : 1+arg1 > 0, cost: 1 7: f149_0_doSum_LT -> f149_0_doSum_LT : arg1'=-1+arg1, 1+arg1 > 0, cost: 1 11: f149_0_doSum_LT -> f149_0_doSum_LT : arg1'=-n2+arg1, (-1+n2 >= 0 /\ 2-n2+arg1 > 0), cost: 1 8: f163_0_factorial_GT -> f163_0_factorial_GT : arg1'=-1+arg1, arg1 > 0, cost: 1 10: f163_0_factorial_GT -> f163_0_factorial_GT : arg1'=-n+arg1, (-1+n >= 0 /\ 1-n+arg1 > 0), cost: 1 9: __init -> f149_0_doSum_LT : arg1'=10, T, cost: 1 Loop Acceleration Original rule: f149_0_doSum_LT -> f149_0_doSum_LT : arg1'=-1+arg1, (1+arg1 > 0), cost: 1 New rule: f149_0_doSum_LT -> f149_0_doSum_LT : arg1'=-n2+arg1, (-1+n2 >= 0 /\ 2-n2+arg1 > 0), cost: 1 1+arg1 > 0 [0]: montonic decrease yields 2-n2+arg1 > 0 1+arg1 > 0 [1]: eventual increase yields (1 <= 0 /\ 1+arg1 > 0) Replacement map: {1+arg1 > 0 -> 2-n2+arg1 > 0} Trace 9[T], 11[(-1+n2 >= 0 /\ 2-n2+arg1 > 0)] Blocked [{}, {6[T]}, {7[T], 11[T]}] Step with 6 Trace 9[T], 11[(-1+n2 >= 0 /\ 2-n2+arg1 > 0)], 6[(1+arg1 > 0)] Blocked [{}, {6[T]}, {7[T], 11[T]}, {}] Step with 8 Trace 9[T], 11[(-1+n2 >= 0 /\ 2-n2+arg1 > 0)], 6[(1+arg1 > 0)], 8[(arg1 > 0)] Blocked [{}, {6[T]}, {7[T], 11[T]}, {}, {}] Covered Trace 9[T], 11[(-1+n2 >= 0 /\ 2-n2+arg1 > 0)], 6[(1+arg1 > 0)] Blocked [{}, {6[T]}, {7[T], 11[T]}, {8[T]}] Step with 10 Trace 9[T], 11[(-1+n2 >= 0 /\ 2-n2+arg1 > 0)], 6[(1+arg1 > 0)], 10[(-1+n >= 0 /\ 1-n+arg1 > 0)] Blocked [{}, {6[T]}, {7[T], 11[T]}, {8[T]}, {10[T]}] Step with 8 Trace 9[T], 11[(-1+n2 >= 0 /\ 2-n2+arg1 > 0)], 6[(1+arg1 > 0)], 10[(-1+n >= 0 /\ 1-n+arg1 > 0)], 8[(arg1 > 0)] Blocked [{}, {6[T]}, {7[T], 11[T]}, {8[T]}, {10[T]}, {}] Covered Trace 9[T], 11[(-1+n2 >= 0 /\ 2-n2+arg1 > 0)], 6[(1+arg1 > 0)], 10[(-1+n >= 0 /\ 1-n+arg1 > 0)] Blocked [{}, {6[T]}, {7[T], 11[T]}, {8[T]}, {8[T], 10[T]}] Backtrack Trace 9[T], 11[(-1+n2 >= 0 /\ 2-n2+arg1 > 0)], 6[(1+arg1 > 0)] Blocked [{}, {6[T]}, {7[T], 11[T]}, {8[T], 10[T]}] Backtrack Trace 9[T], 11[(-1+n2 >= 0 /\ 2-n2+arg1 > 0)] Blocked [{}, {6[T]}, {6[T], 7[T], 11[T]}] Backtrack Trace 9[T] Blocked [{}, {6[T], 11[T]}] Step with 7 Trace 9[T], 7[(1+arg1 > 0)] Blocked [{}, {6[T], 11[T]}, {}] Covered Trace 9[T] Blocked [{}, {6[T], 7[T], 11[T]}] Backtrack Trace Blocked [{9[T]}] Accept unknown Build SHA: a05f16bf13df659c382799650051f91bf6828c7b