unknown Initial ITS Start location: __init Program variables: arg1 arg2 0: f1_0_main_Load -> f172_0_log_LE : arg1'=arg1p1, arg2'=arg2p1, (1+arg2 > 0 /\ arg1 > 0 /\ 2-arg2p1 == 0 /\ 1+arg1p1 > 0), cost: 1 1: f172_0_log_LE -> f172_0_log_LE : arg1'=arg1p2, arg2'=arg2p2, (-arg2p2+arg2^2 == 0 /\ arg1-arg1p2 == 0 /\ -1+arg2 > 0 /\ -arg1+arg2 < 0), cost: 1 2: __init -> f1_0_main_Load : arg1'=arg1p3, arg2'=arg2p3, T, cost: 1 Chained Linear Paths Start location: __init Program variables: arg1 arg2 1: f172_0_log_LE -> f172_0_log_LE : arg1'=arg1p2, arg2'=arg2p2, (-arg2p2+arg2^2 == 0 /\ arg1-arg1p2 == 0 /\ -1+arg2 > 0 /\ -arg1+arg2 < 0), cost: 1 3: __init -> f172_0_log_LE : arg1'=arg1p1, arg2'=arg2p1, (1+arg2p3 > 0 /\ 2-arg2p1 == 0 /\ arg1p3 > 0 /\ 1+arg1p1 > 0), cost: 1 Eliminating location f1_0_main_Load by chaining: Applied chaining First rule: __init -> f1_0_main_Load : arg1'=arg1p3, arg2'=arg2p3, T, cost: 1 Second rule: f1_0_main_Load -> f172_0_log_LE : arg1'=arg1p1, arg2'=arg2p1, (1+arg2 > 0 /\ arg1 > 0 /\ 2-arg2p1 == 0 /\ 1+arg1p1 > 0), cost: 1 New rule: __init -> f172_0_log_LE : arg1'=arg1p1, arg2'=arg2p1, (1+arg2p3 > 0 /\ 2-arg2p1 == 0 /\ arg1p3 > 0 /\ 1+arg1p1 > 0), cost: 1 Applied deletion Removed the following rules: 0 2 Simplified Transitions Start location: __init Program variables: arg1 arg2 4: f172_0_log_LE -> f172_0_log_LE : arg2'=arg2^2, (-1+arg2 > 0 /\ -arg1+arg2 < 0), cost: 1 5: __init -> f172_0_log_LE : arg1'=arg1p1, arg2'=2, (1+arg1p1 > 0), cost: 1 Propagated Equalities Original rule: f172_0_log_LE -> f172_0_log_LE : arg1'=arg1p2, arg2'=arg2p2, (-arg2p2+arg2^2 == 0 /\ arg1-arg1p2 == 0 /\ -1+arg2 > 0 /\ -arg1+arg2 < 0), cost: 1 New rule: f172_0_log_LE -> f172_0_log_LE : arg1'=arg1, arg2'=arg2^2, (0 == 0 /\ -1+arg2 > 0 /\ -arg1+arg2 < 0), cost: 1 propagated equality arg2p2 = arg2^2 propagated equality arg1p2 = arg1 Simplified Guard Original rule: f172_0_log_LE -> f172_0_log_LE : arg1'=arg1, arg2'=arg2^2, (0 == 0 /\ -1+arg2 > 0 /\ -arg1+arg2 < 0), cost: 1 New rule: f172_0_log_LE -> f172_0_log_LE : arg1'=arg1, arg2'=arg2^2, (-1+arg2 > 0 /\ -arg1+arg2 < 0), cost: 1 Removed Trivial Updates Original rule: f172_0_log_LE -> f172_0_log_LE : arg1'=arg1, arg2'=arg2^2, (-1+arg2 > 0 /\ -arg1+arg2 < 0), cost: 1 New rule: f172_0_log_LE -> f172_0_log_LE : arg2'=arg2^2, (-1+arg2 > 0 /\ -arg1+arg2 < 0), cost: 1 Propagated Equalities Original rule: __init -> f172_0_log_LE : arg1'=arg1p1, arg2'=arg2p1, (1+arg2p3 > 0 /\ 2-arg2p1 == 0 /\ arg1p3 > 0 /\ 1+arg1p1 > 0), cost: 1 New rule: __init -> f172_0_log_LE : arg1'=arg1p1, arg2'=2, (0 == 0 /\ 1+arg2p3 > 0 /\ arg1p3 > 0 /\ 1+arg1p1 > 0), cost: 1 propagated equality arg2p1 = 2 Simplified Guard Original rule: __init -> f172_0_log_LE : arg1'=arg1p1, arg2'=2, (0 == 0 /\ 1+arg2p3 > 0 /\ arg1p3 > 0 /\ 1+arg1p1 > 0), cost: 1 New rule: __init -> f172_0_log_LE : arg1'=arg1p1, arg2'=2, (1+arg2p3 > 0 /\ arg1p3 > 0 /\ 1+arg1p1 > 0), cost: 1 Eliminated Temporary Variables via Transitive Closure Original rule: __init -> f172_0_log_LE : arg1'=arg1p1, arg2'=2, (1+arg2p3 > 0 /\ arg1p3 > 0 /\ 1+arg1p1 > 0), cost: 1 New rule: __init -> f172_0_log_LE : arg1'=arg1p1, arg2'=2, (1+arg1p1 > 0), cost: 1 Step with 5 Trace 5[(1+arg1p1 > 0)] Blocked [{}, {}] Step with 4 Trace 5[(1+arg1p1 > 0)], 4[(-1+arg2 > 0 /\ -arg1+arg2 < 0)] Blocked [{}, {}, {}] Acceleration Failed marked recursive suffix as redundant Step with 4 Trace 5[(1+arg1p1 > 0)], 4[(-1+arg2 > 0 /\ -arg1+arg2 < 0)], 4[(-1+arg2 > 0 /\ -arg1+arg2 < 0)] Blocked [{}, {}, {}, {}] Covered Trace 5[(1+arg1p1 > 0)], 4[(-1+arg2 > 0 /\ -arg1+arg2 < 0)] Blocked [{}, {}, {4[T]}] Backtrack Trace 5[(1+arg1p1 > 0)] Blocked [{}, {4[T]}] Backtrack Trace Blocked [{5[T]}] Accept unknown Build SHA: a05f16bf13df659c382799650051f91bf6828c7b