unknown Initial ITS Start location: [1] Program variables: x y z 0: [1] -> [2] : x'=nondet, T, cost: 1 1: [2] -> [3] : y'=nondet1, T, cost: 1 2: [3] -> [4] : z'=nondet2, T, cost: 1 3: [4] -> [5] : (-z+x <= 0 /\ y+x >= 0), cost: 1 7: [4] -> [8] : (-z+x > 0 \/ y+x < 0), cost: 1 4: [5] -> [6] : x'=y+2*x, T, cost: 1 5: [6] -> [7] : y'=1+y, T, cost: 1 6: [7] -> [4] : T, cost: 1 Chained Linear Paths Start location: [1] Program variables: x y z 9: [1] -> [4] : x'=nondet, y'=nondet1, z'=nondet2, T, cost: 1 7: [4] -> [8] : (-z+x > 0 \/ y+x < 0), cost: 1 12: [4] -> [4] : x'=y+2*x, y'=1+y, (-z+x <= 0 /\ y+x >= 0), cost: 1 Eliminating location [2] by chaining: Applied chaining First rule: [1] -> [2] : x'=nondet, T, cost: 1 Second rule: [2] -> [3] : y'=nondet1, T, cost: 1 New rule: [1] -> [3] : x'=nondet, y'=nondet1, T, cost: 1 Applied deletion Removed the following rules: 0 1 Eliminating location [3] by chaining: Applied chaining First rule: [1] -> [3] : x'=nondet, y'=nondet1, T, cost: 1 Second rule: [3] -> [4] : z'=nondet2, T, cost: 1 New rule: [1] -> [4] : x'=nondet, y'=nondet1, z'=nondet2, T, cost: 1 Applied deletion Removed the following rules: 2 8 Eliminating location [5] by chaining: Applied chaining First rule: [4] -> [5] : (-z+x <= 0 /\ y+x >= 0), cost: 1 Second rule: [5] -> [6] : x'=y+2*x, T, cost: 1 New rule: [4] -> [6] : x'=y+2*x, (-z+x <= 0 /\ y+x >= 0), cost: 1 Applied deletion Removed the following rules: 3 4 Eliminating location [6] by chaining: Applied chaining First rule: [4] -> [6] : x'=y+2*x, (-z+x <= 0 /\ y+x >= 0), cost: 1 Second rule: [6] -> [7] : y'=1+y, T, cost: 1 New rule: [4] -> [7] : x'=y+2*x, y'=1+y, (-z+x <= 0 /\ y+x >= 0), cost: 1 Applied deletion Removed the following rules: 5 10 Eliminating location [7] by chaining: Applied chaining First rule: [4] -> [7] : x'=y+2*x, y'=1+y, (-z+x <= 0 /\ y+x >= 0), cost: 1 Second rule: [7] -> [4] : T, cost: 1 New rule: [4] -> [4] : x'=y+2*x, y'=1+y, (-z+x <= 0 /\ y+x >= 0), cost: 1 Applied deletion Removed the following rules: 6 11 Step with 9 Trace 9[T] Blocked [{}, {}] Step with 7 Trace 9[T], 7[(y+x < 0)] Blocked [{}, {}, {}] Backtrack Trace 9[T] Blocked [{}, {7[y+x < 0]}] Step with 7 Trace 9[T], 7[(-z+x > 0)] Blocked [{}, {7[y+x < 0]}, {}] Backtrack Trace 9[T] Blocked [{}, {7[(-z+x > 0 /\ y+x < 0)]}] Step with 12 Trace 9[T], 12[(-z+x <= 0 /\ y+x >= 0)] Blocked [{}, {7[T]}, {}] Acceleration Failed marked recursive suffix as redundant Step with 12 Trace 9[T], 12[(-z+x <= 0 /\ y+x >= 0)], 12[(-z+x <= 0 /\ y+x >= 0)] Blocked [{}, {7[T]}, {}, {}] Covered Trace 9[T], 12[(-z+x <= 0 /\ y+x >= 0)] Blocked [{}, {7[T]}, {12[T]}] Step with 7 Trace 9[T], 12[(-z+x <= 0 /\ y+x >= 0)], 7[(-z+x > 0)] Blocked [{}, {7[T]}, {12[T]}, {}] Backtrack Trace 9[T], 12[(-z+x <= 0 /\ y+x >= 0)] Blocked [{}, {7[T]}, {7[-z+x > 0], 12[T]}] Backtrack Trace 9[T] Blocked [{}, {7[T], 12[T]}] Backtrack Trace Blocked [{9[T]}] Accept unknown Build SHA: a05f16bf13df659c382799650051f91bf6828c7b