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