unknown Initial ITS Start location: __init Program variables: arg1 arg2 0: f1_0_main_Load -> f66_0_nest_NE : arg1'=arg1p1, arg2'=arg2p1, (arg1 > 0 /\ 1+arg1p1 > 0 /\ arg2 > 0), cost: 1 1: f66_0_nest_NE -> f66_0_nest_NE : arg1'=arg1p2, arg2'=arg2p2, (-1+arg1-arg1p2 == 0 /\ arg1 > 0 /\ -1 < 0), cost: 1 2: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg1'=arg1p3, arg2'=arg2p3, (1-arg1 == 0 /\ 1-arg1p3 == 0), cost: 1 4: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg1'=arg1p5, arg2'=arg2p5, (arg1 > 0 /\ -1 < 0 /\ arg1-arg1p5 == 0), cost: 1 3: f115_0_nest_InvokeMethod -> f66_0_nest_NE : arg1'=arg1p4, arg2'=arg2p4, (-arg1p4 == 0 /\ arg1 > 0), cost: 1 5: __init -> f1_0_main_Load : arg1'=arg1p6, arg2'=arg2p6, T, cost: 1 Chained Linear Paths Start location: __init Program variables: arg1 arg2 1: f66_0_nest_NE -> f66_0_nest_NE : arg1'=arg1p2, arg2'=arg2p2, (-1+arg1-arg1p2 == 0 /\ arg1 > 0 /\ -1 < 0), cost: 1 2: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg1'=arg1p3, arg2'=arg2p3, (1-arg1 == 0 /\ 1-arg1p3 == 0), cost: 1 4: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg1'=arg1p5, arg2'=arg2p5, (arg1 > 0 /\ -1 < 0 /\ arg1-arg1p5 == 0), cost: 1 3: f115_0_nest_InvokeMethod -> f66_0_nest_NE : arg1'=arg1p4, arg2'=arg2p4, (-arg1p4 == 0 /\ arg1 > 0), cost: 1 6: __init -> f66_0_nest_NE : arg1'=arg1p1, arg2'=arg2p1, (arg1p6 > 0 /\ 1+arg1p1 > 0 /\ arg2p6 > 0), cost: 1 Eliminating location f1_0_main_Load by chaining: Applied chaining First rule: __init -> f1_0_main_Load : arg1'=arg1p6, arg2'=arg2p6, T, cost: 1 Second rule: f1_0_main_Load -> f66_0_nest_NE : arg1'=arg1p1, arg2'=arg2p1, (arg1 > 0 /\ 1+arg1p1 > 0 /\ arg2 > 0), cost: 1 New rule: __init -> f66_0_nest_NE : arg1'=arg1p1, arg2'=arg2p1, (arg1p6 > 0 /\ 1+arg1p1 > 0 /\ arg2p6 > 0), cost: 1 Applied deletion Removed the following rules: 0 5 Simplified Transitions Start location: __init Program variables: arg1 arg2 7: f66_0_nest_NE -> f66_0_nest_NE : arg1'=-1+arg1, arg2'=arg2p2, arg1 > 0, cost: 1 8: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg1'=1, arg2'=arg2p3, 1-arg1 == 0, cost: 1 10: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg2'=arg2p5, arg1 > 0, cost: 1 9: f115_0_nest_InvokeMethod -> f66_0_nest_NE : arg1'=0, arg2'=arg2p4, arg1 > 0, cost: 1 11: __init -> f66_0_nest_NE : arg1'=arg1p1, arg2'=arg2p1, (1+arg1p1 > 0), cost: 1 Propagated Equalities Original rule: f66_0_nest_NE -> f66_0_nest_NE : arg1'=arg1p2, arg2'=arg2p2, (-1+arg1-arg1p2 == 0 /\ arg1 > 0 /\ -1 < 0), cost: 1 New rule: f66_0_nest_NE -> f66_0_nest_NE : arg1'=-1+arg1, arg2'=arg2p2, (0 == 0 /\ arg1 > 0 /\ -1 < 0), cost: 1 propagated equality arg1p2 = -1+arg1 Simplified Guard Original rule: f66_0_nest_NE -> f66_0_nest_NE : arg1'=-1+arg1, arg2'=arg2p2, (0 == 0 /\ arg1 > 0 /\ -1 < 0), cost: 1 New rule: f66_0_nest_NE -> f66_0_nest_NE : arg1'=-1+arg1, arg2'=arg2p2, arg1 > 0, cost: 1 Propagated Equalities Original rule: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg1'=arg1p3, arg2'=arg2p3, (1-arg1 == 0 /\ 1-arg1p3 == 0), cost: 1 New rule: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg1'=1, arg2'=arg2p3, (0 == 0 /\ 1-arg1 == 0), cost: 1 propagated equality arg1p3 = 1 Simplified Guard Original rule: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg1'=1, arg2'=arg2p3, (0 == 0 /\ 1-arg1 == 0), cost: 1 New rule: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg1'=1, arg2'=arg2p3, 1-arg1 == 0, cost: 1 Propagated Equalities Original rule: f115_0_nest_InvokeMethod -> f66_0_nest_NE : arg1'=arg1p4, arg2'=arg2p4, (-arg1p4 == 0 /\ arg1 > 0), cost: 1 New rule: f115_0_nest_InvokeMethod -> f66_0_nest_NE : arg1'=0, arg2'=arg2p4, (0 == 0 /\ arg1 > 0), cost: 1 propagated equality arg1p4 = 0 Simplified Guard Original rule: f115_0_nest_InvokeMethod -> f66_0_nest_NE : arg1'=0, arg2'=arg2p4, (0 == 0 /\ arg1 > 0), cost: 1 New rule: f115_0_nest_InvokeMethod -> f66_0_nest_NE : arg1'=0, arg2'=arg2p4, arg1 > 0, cost: 1 Propagated Equalities Original rule: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg1'=arg1p5, arg2'=arg2p5, (arg1 > 0 /\ -1 < 0 /\ arg1-arg1p5 == 0), cost: 1 New rule: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg1'=arg1, arg2'=arg2p5, (0 == 0 /\ arg1 > 0 /\ -1 < 0), cost: 1 propagated equality arg1p5 = arg1 Simplified Guard Original rule: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg1'=arg1, arg2'=arg2p5, (0 == 0 /\ arg1 > 0 /\ -1 < 0), cost: 1 New rule: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg1'=arg1, arg2'=arg2p5, arg1 > 0, cost: 1 Removed Trivial Updates Original rule: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg1'=arg1, arg2'=arg2p5, arg1 > 0, cost: 1 New rule: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg2'=arg2p5, arg1 > 0, cost: 1 Eliminated Temporary Variables via Transitive Closure Original rule: __init -> f66_0_nest_NE : arg1'=arg1p1, arg2'=arg2p1, (arg1p6 > 0 /\ 1+arg1p1 > 0 /\ arg2p6 > 0), cost: 1 New rule: __init -> f66_0_nest_NE : arg1'=arg1p1, arg2'=arg2p1, (1+arg1p1 > 0), cost: 1 Step with 11 Trace 11[(1+arg1p1 > 0)] Blocked [{}, {}] Step with 7 Trace 11[(1+arg1p1 > 0)], 7[(arg1 > 0)] Blocked [{}, {}, {}] Accelerate Start location: __init Program variables: arg1 arg2 7: f66_0_nest_NE -> f66_0_nest_NE : arg1'=-1+arg1, arg2'=arg2p2, arg1 > 0, cost: 1 8: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg1'=1, arg2'=arg2p3, 1-arg1 == 0, cost: 1 10: f66_0_nest_NE -> f115_0_nest_InvokeMethod : arg2'=arg2p5, arg1 > 0, cost: 1 12: f66_0_nest_NE -> f66_0_nest_NE : arg1'=-n+arg1, arg2'=arg2p2, (1-n+arg1 > 0 /\ -1+n >= 0), cost: 1 9: f115_0_nest_InvokeMethod -> f66_0_nest_NE : arg1'=0, arg2'=arg2p4, arg1 > 0, cost: 1 11: __init -> f66_0_nest_NE : arg1'=arg1p1, arg2'=arg2p1, (1+arg1p1 > 0), cost: 1 Loop Acceleration Original rule: f66_0_nest_NE -> f66_0_nest_NE : arg1'=-1+arg1, arg2'=arg2p2, (arg1 > 0), cost: 1 New rule: f66_0_nest_NE -> f66_0_nest_NE : arg1'=-n+arg1, arg2'=arg2p2, (1-n+arg1 > 0 /\ -1+n >= 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 11[(1+arg1p1 > 0)], 12[(1-n+arg1 > 0 /\ -1+n >= 0)] Blocked [{}, {}, {7[T], 12[T]}] Step with 8 Trace 11[(1+arg1p1 > 0)], 12[(1-n+arg1 > 0 /\ -1+n >= 0)], 8[(1-arg1 == 0)] Blocked [{}, {}, {7[T], 12[T]}, {}] Step with 9 Trace 11[(1+arg1p1 > 0)], 12[(1-n+arg1 > 0 /\ -1+n >= 0)], 8[(1-arg1 == 0)], 9[(arg1 > 0)] Blocked [{}, {}, {7[T], 12[T]}, {}, {}] Acceleration Failed marked recursive suffix as redundant Acceleration Failed marked recursive suffix as redundant Backtrack Trace 11[(1+arg1p1 > 0)], 12[(1-n+arg1 > 0 /\ -1+n >= 0)], 8[(1-arg1 == 0)] Blocked [{}, {}, {7[T], 12[T]}, {9[T]}] Backtrack Trace 11[(1+arg1p1 > 0)], 12[(1-n+arg1 > 0 /\ -1+n >= 0)] Blocked [{}, {}, {7[T], 8[T], 12[T]}] Step with 10 Trace 11[(1+arg1p1 > 0)], 12[(1-n+arg1 > 0 /\ -1+n >= 0)], 10[(arg1 > 0)] Blocked [{}, {}, {7[T], 8[T], 12[T]}, {}] Step with 9 Trace 11[(1+arg1p1 > 0)], 12[(1-n+arg1 > 0 /\ -1+n >= 0)], 10[(arg1 > 0)], 9[(arg1 > 0)] Blocked [{}, {}, {7[T], 8[T], 12[T]}, {}, {}] Acceleration Failed marked recursive suffix as redundant Acceleration Failed marked recursive suffix as redundant Backtrack Trace 11[(1+arg1p1 > 0)], 12[(1-n+arg1 > 0 /\ -1+n >= 0)], 10[(arg1 > 0)] Blocked [{}, {}, {7[T], 8[T], 12[T]}, {9[T]}] Backtrack Trace 11[(1+arg1p1 > 0)], 12[(1-n+arg1 > 0 /\ -1+n >= 0)] Blocked [{}, {}, {7[T], 8[T], 10[T], 12[T]}] Backtrack Trace 11[(1+arg1p1 > 0)] Blocked [{}, {12[T]}] Step with 10 Trace 11[(1+arg1p1 > 0)], 10[(arg1 > 0)] Blocked [{}, {12[T]}, {}] Step with 9 Trace 11[(1+arg1p1 > 0)], 10[(arg1 > 0)], 9[(arg1 > 0)] Blocked [{}, {12[T]}, {}, {}] Backtrack Trace 11[(1+arg1p1 > 0)], 10[(arg1 > 0)] Blocked [{}, {12[T]}, {9[T]}] Backtrack Trace 11[(1+arg1p1 > 0)] Blocked [{}, {10[T], 12[T]}] Step with 7 Trace 11[(1+arg1p1 > 0)], 7[(arg1 > 0)] Blocked [{}, {10[T], 12[T]}, {}] Covered Trace 11[(1+arg1p1 > 0)] Blocked [{}, {7[T], 10[T], 12[T]}] Step with 8 Trace 11[(1+arg1p1 > 0)], 8[(1-arg1 == 0)] Blocked [{}, {7[T], 10[T], 12[T]}, {}] Step with 9 Trace 11[(1+arg1p1 > 0)], 8[(1-arg1 == 0)], 9[(arg1 > 0)] Blocked [{}, {7[T], 10[T], 12[T]}, {}, {}] Backtrack Trace 11[(1+arg1p1 > 0)], 8[(1-arg1 == 0)] Blocked [{}, {7[T], 10[T], 12[T]}, {9[T]}] Backtrack Trace 11[(1+arg1p1 > 0)] Blocked [{}, {7[T], 8[T], 10[T], 12[T]}] Backtrack Trace Blocked [{11[T]}] Accept unknown Build SHA: a05f16bf13df659c382799650051f91bf6828c7b