unknown Initial ITS Start location: __init Program variables: arg1 arg2 arg3 0: f1_0_main_New -> f160_0_main_LE : arg1'=arg1p1, arg2'=arg2p1, arg3'=arg3p1, (27-arg2p1 == 0 /\ arg1p1 > 0 /\ 28-arg3p1 == 0), cost: 1 1: f160_0_main_LE -> f160_0_main_LE : arg1'=arg1p2, arg2'=arg2p2, arg3'=arg3p2, (arg3 > 0 /\ -3+arg1p2 > 0 /\ -1-arg2p2+arg2 == 0 /\ -arg3p2+arg2 == 0 /\ arg1 > 0 /\ -3-arg1+arg1p2 <= 0), cost: 1 2: f160_0_main_LE -> f167_0_length_InvokeMethod : arg1'=arg1p3, arg2'=arg2p3, arg3'=arg3p3, (1+arg1p3 > 0 /\ -1+arg3 < 0 /\ arg1 > 0 /\ 1-arg1+arg1p3 <= 0), cost: 1 3: f167_0_length_InvokeMethod -> f167_0_length_InvokeMethod : arg1'=arg1p4, arg2'=arg2p4, arg3'=arg3p4, (arg1 > 0 /\ -1+arg1-arg1p4 >= 0 /\ 1+arg1p4 > 0), cost: 1 4: __init -> f1_0_main_New : arg1'=arg1p5, arg2'=arg2p5, arg3'=arg3p5, T, cost: 1 Chained Linear Paths Start location: __init Program variables: arg1 arg2 arg3 1: f160_0_main_LE -> f160_0_main_LE : arg1'=arg1p2, arg2'=arg2p2, arg3'=arg3p2, (arg3 > 0 /\ -3+arg1p2 > 0 /\ -1-arg2p2+arg2 == 0 /\ -arg3p2+arg2 == 0 /\ arg1 > 0 /\ -3-arg1+arg1p2 <= 0), cost: 1 2: f160_0_main_LE -> f167_0_length_InvokeMethod : arg1'=arg1p3, arg2'=arg2p3, arg3'=arg3p3, (1+arg1p3 > 0 /\ -1+arg3 < 0 /\ arg1 > 0 /\ 1-arg1+arg1p3 <= 0), cost: 1 3: f167_0_length_InvokeMethod -> f167_0_length_InvokeMethod : arg1'=arg1p4, arg2'=arg2p4, arg3'=arg3p4, (arg1 > 0 /\ -1+arg1-arg1p4 >= 0 /\ 1+arg1p4 > 0), cost: 1 5: __init -> f160_0_main_LE : arg1'=arg1p1, arg2'=arg2p1, arg3'=arg3p1, (27-arg2p1 == 0 /\ arg1p1 > 0 /\ 28-arg3p1 == 0), cost: 1 Eliminating location f1_0_main_New by chaining: Applied chaining First rule: __init -> f1_0_main_New : arg1'=arg1p5, arg2'=arg2p5, arg3'=arg3p5, T, cost: 1 Second rule: f1_0_main_New -> f160_0_main_LE : arg1'=arg1p1, arg2'=arg2p1, arg3'=arg3p1, (27-arg2p1 == 0 /\ arg1p1 > 0 /\ 28-arg3p1 == 0), cost: 1 New rule: __init -> f160_0_main_LE : arg1'=arg1p1, arg2'=arg2p1, arg3'=arg3p1, (27-arg2p1 == 0 /\ arg1p1 > 0 /\ 28-arg3p1 == 0), cost: 1 Applied deletion Removed the following rules: 0 4 Simplified Transitions Start location: __init Program variables: arg1 arg2 arg3 2: f160_0_main_LE -> f167_0_length_InvokeMethod : arg1'=arg1p3, arg2'=arg2p3, arg3'=arg3p3, (1+arg1p3 > 0 /\ -1+arg3 < 0 /\ arg1 > 0 /\ 1-arg1+arg1p3 <= 0), cost: 1 6: f160_0_main_LE -> f160_0_main_LE : arg1'=arg1p2, arg2'=-1+arg2, arg3'=arg2, (arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ -3-arg1+arg1p2 <= 0), cost: 1 3: f167_0_length_InvokeMethod -> f167_0_length_InvokeMethod : arg1'=arg1p4, arg2'=arg2p4, arg3'=arg3p4, (arg1 > 0 /\ -1+arg1-arg1p4 >= 0 /\ 1+arg1p4 > 0), cost: 1 7: __init -> f160_0_main_LE : arg1'=arg1p1, arg2'=27, arg3'=28, arg1p1 > 0, cost: 1 Propagated Equalities Original rule: f160_0_main_LE -> f160_0_main_LE : arg1'=arg1p2, arg2'=arg2p2, arg3'=arg3p2, (arg3 > 0 /\ -3+arg1p2 > 0 /\ -1-arg2p2+arg2 == 0 /\ -arg3p2+arg2 == 0 /\ arg1 > 0 /\ -3-arg1+arg1p2 <= 0), cost: 1 New rule: f160_0_main_LE -> f160_0_main_LE : arg1'=arg1p2, arg2'=-1+arg2, arg3'=arg2, (0 == 0 /\ arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ -3-arg1+arg1p2 <= 0), cost: 1 propagated equality arg2p2 = -1+arg2 propagated equality arg3p2 = arg2 Simplified Guard Original rule: f160_0_main_LE -> f160_0_main_LE : arg1'=arg1p2, arg2'=-1+arg2, arg3'=arg2, (0 == 0 /\ arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ -3-arg1+arg1p2 <= 0), cost: 1 New rule: f160_0_main_LE -> f160_0_main_LE : arg1'=arg1p2, arg2'=-1+arg2, arg3'=arg2, (arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ -3-arg1+arg1p2 <= 0), cost: 1 Propagated Equalities Original rule: __init -> f160_0_main_LE : arg1'=arg1p1, arg2'=arg2p1, arg3'=arg3p1, (27-arg2p1 == 0 /\ arg1p1 > 0 /\ 28-arg3p1 == 0), cost: 1 New rule: __init -> f160_0_main_LE : arg1'=arg1p1, arg2'=27, arg3'=28, (0 == 0 /\ arg1p1 > 0), cost: 1 propagated equality arg2p1 = 27 propagated equality arg3p1 = 28 Simplified Guard Original rule: __init -> f160_0_main_LE : arg1'=arg1p1, arg2'=27, arg3'=28, (0 == 0 /\ arg1p1 > 0), cost: 1 New rule: __init -> f160_0_main_LE : arg1'=arg1p1, arg2'=27, arg3'=28, arg1p1 > 0, cost: 1 Step with 7 Trace 7[(arg1p1 > 0)] Blocked [{}, {}] Step with 6 Trace 7[(arg1p1 > 0)], 6[(arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ -3-arg1+arg1p2 <= 0)] Blocked [{}, {2[T]}, {}] Accelerate Start location: __init Program variables: arg1 arg2 arg3 2: f160_0_main_LE -> f167_0_length_InvokeMethod : arg1'=arg1p3, arg2'=arg2p3, arg3'=arg3p3, (1+arg1p3 > 0 /\ -1+arg3 < 0 /\ arg1 > 0 /\ 1-arg1+arg1p3 <= 0), cost: 1 6: f160_0_main_LE -> f160_0_main_LE : arg1'=arg1p2, arg2'=-1+arg2, arg3'=arg2, (arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ -3-arg1+arg1p2 <= 0), cost: 1 8: f160_0_main_LE -> f160_0_main_LE : arg1'=arg1p2, arg2'=-n+arg2, arg3'=1-n+arg2, (-1+n >= 0 /\ arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ 2-n+arg2 > 0 /\ 3+arg1-arg1p2 >= 0), cost: 1 3: f167_0_length_InvokeMethod -> f167_0_length_InvokeMethod : arg1'=arg1p4, arg2'=arg2p4, arg3'=arg3p4, (arg1 > 0 /\ -1+arg1-arg1p4 >= 0 /\ 1+arg1p4 > 0), cost: 1 7: __init -> f160_0_main_LE : arg1'=arg1p1, arg2'=27, arg3'=28, arg1p1 > 0, cost: 1 Loop Acceleration Original rule: f160_0_main_LE -> f160_0_main_LE : arg1'=arg1p2, arg2'=-1+arg2, arg3'=arg2, (arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ -3-arg1+arg1p2 <= 0), cost: 1 New rule: f160_0_main_LE -> f160_0_main_LE : arg1'=arg1p2, arg2'=-n+arg2, arg3'=1-n+arg2, (-1+n >= 0 /\ arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ 2-n+arg2 > 0 /\ 3+arg1-arg1p2 >= 0), cost: 1 arg3 > 0 [0]: eventual decrease yields (arg3 > 0 /\ 2-n+arg2 > 0) -3+arg1p2 > 0 [0]: monotonic increase yields -3+arg1p2 > 0 arg1 > 0 [0]: monotonic increase yields arg1 > 0, dependencies: -3+arg1p2 > 0 3+arg1-arg1p2 >= 0 [0]: monotonic increase yields 3+arg1-arg1p2 >= 0 Replacement map: {arg3 > 0 -> (arg3 > 0 /\ 2-n+arg2 > 0), -3+arg1p2 > 0 -> -3+arg1p2 > 0, arg1 > 0 -> arg1 > 0, 3+arg1-arg1p2 >= 0 -> 3+arg1-arg1p2 >= 0} Trace 7[(arg1p1 > 0)], 8[(-1+n >= 0 /\ arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ 2-n+arg2 > 0 /\ 3+arg1-arg1p2 >= 0)] Blocked [{}, {2[T]}, {6[T], 8[T]}] Step with 2 Trace 7[(arg1p1 > 0)], 8[(-1+n >= 0 /\ arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ 2-n+arg2 > 0 /\ 3+arg1-arg1p2 >= 0)], 2[(1+arg1p3 > 0 /\ -1+arg3 < 0 /\ arg1 > 0 /\ 1-arg1+arg1p3 <= 0)] Blocked [{}, {2[T]}, {6[T], 8[T]}, {}] Step with 3 Trace 7[(arg1p1 > 0)], 8[(-1+n >= 0 /\ arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ 2-n+arg2 > 0 /\ 3+arg1-arg1p2 >= 0)], 2[(1+arg1p3 > 0 /\ -1+arg3 < 0 /\ arg1 > 0 /\ 1-arg1+arg1p3 <= 0)], 3[(arg1 > 0 /\ -1+arg1-arg1p4 >= 0 /\ 1+arg1p4 > 0)] Blocked [{}, {2[T]}, {6[T], 8[T]}, {}, {}] Acceleration Failed marked recursive suffix as redundant Step with 3 Trace 7[(arg1p1 > 0)], 8[(-1+n >= 0 /\ arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ 2-n+arg2 > 0 /\ 3+arg1-arg1p2 >= 0)], 2[(1+arg1p3 > 0 /\ -1+arg3 < 0 /\ arg1 > 0 /\ 1-arg1+arg1p3 <= 0)], 3[(arg1 > 0 /\ -1+arg1-arg1p4 >= 0 /\ 1+arg1p4 > 0)], 3[(arg1 > 0 /\ -1+arg1-arg1p4 >= 0 /\ 1+arg1p4 > 0)] Blocked [{}, {2[T]}, {6[T], 8[T]}, {}, {}, {}] Covered Trace 7[(arg1p1 > 0)], 8[(-1+n >= 0 /\ arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ 2-n+arg2 > 0 /\ 3+arg1-arg1p2 >= 0)], 2[(1+arg1p3 > 0 /\ -1+arg3 < 0 /\ arg1 > 0 /\ 1-arg1+arg1p3 <= 0)], 3[(arg1 > 0 /\ -1+arg1-arg1p4 >= 0 /\ 1+arg1p4 > 0)] Blocked [{}, {2[T]}, {6[T], 8[T]}, {}, {3[T]}] Backtrack Trace 7[(arg1p1 > 0)], 8[(-1+n >= 0 /\ arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ 2-n+arg2 > 0 /\ 3+arg1-arg1p2 >= 0)], 2[(1+arg1p3 > 0 /\ -1+arg3 < 0 /\ arg1 > 0 /\ 1-arg1+arg1p3 <= 0)] Blocked [{}, {2[T]}, {6[T], 8[T]}, {3[T]}] Backtrack Trace 7[(arg1p1 > 0)], 8[(-1+n >= 0 /\ arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ 2-n+arg2 > 0 /\ 3+arg1-arg1p2 >= 0)] Blocked [{}, {2[T]}, {2[T], 6[T], 8[T]}] Backtrack Trace 7[(arg1p1 > 0)] Blocked [{}, {2[T], 8[T]}] Step with 6 Trace 7[(arg1p1 > 0)], 6[(arg3 > 0 /\ -3+arg1p2 > 0 /\ arg1 > 0 /\ -3-arg1+arg1p2 <= 0)] Blocked [{}, {2[T], 8[T]}, {}] Covered Trace 7[(arg1p1 > 0)] Blocked [{}, {2[T], 6[T], 8[T]}] Backtrack Trace Blocked [{7[T]}] Accept unknown Build SHA: a05f16bf13df659c382799650051f91bf6828c7b