unknown Initial ITS Start location: [1] Program variables: c x y 0: [1] -> [2] : x'=nondet, T, cost: 1 1: [2] -> [3] : y'=nondet1, T, cost: 1 2: [3] -> [4] : c'=0, T, cost: 1 3: [4] -> [5] : (y > 0 \/ x > 0), cost: 1 16: [4] -> [15] : (y <= 0 /\ x <= 0), cost: 1 4: [5] -> [7] : x > 0, cost: 1 7: [5] -> [9] : x <= 0, cost: 1 14: [6] -> [14] : c'=1+c, T, cost: 1 5: [7] -> [8] : x'=-1+x, T, cost: 1 6: [8] -> [6] : T, cost: 1 8: [9] -> [11] : y > 0, cost: 1 11: [9] -> [13] : y <= 0, cost: 1 13: [10] -> [6] : T, cost: 1 9: [11] -> [12] : y'=-1+y, T, cost: 1 10: [12] -> [10] : T, cost: 1 12: [13] -> [10] : T, cost: 1 15: [14] -> [4] : T, cost: 1 Chained Linear Paths Start location: [1] Program variables: c x y 18: [1] -> [4] : c'=0, x'=nondet, y'=nondet1, T, cost: 1 3: [4] -> [5] : (y > 0 \/ x > 0), cost: 1 16: [4] -> [15] : (y <= 0 /\ x <= 0), cost: 1 7: [5] -> [9] : x <= 0, cost: 1 20: [5] -> [6] : x'=-1+x, x > 0, cost: 1 21: [6] -> [4] : c'=1+c, T, cost: 1 23: [9] -> [10] : y <= 0, cost: 1 24: [9] -> [10] : y'=-1+y, y > 0, cost: 1 13: [10] -> [6] : T, 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] : c'=0, T, cost: 1 New rule: [1] -> [4] : c'=0, x'=nondet, y'=nondet1, T, cost: 1 Applied deletion Removed the following rules: 2 17 Eliminating location [7] by chaining: Applied chaining First rule: [5] -> [7] : x > 0, cost: 1 Second rule: [7] -> [8] : x'=-1+x, T, cost: 1 New rule: [5] -> [8] : x'=-1+x, x > 0, cost: 1 Applied deletion Removed the following rules: 4 5 Eliminating location [8] by chaining: Applied chaining First rule: [5] -> [8] : x'=-1+x, x > 0, cost: 1 Second rule: [8] -> [6] : T, cost: 1 New rule: [5] -> [6] : x'=-1+x, x > 0, cost: 1 Applied deletion Removed the following rules: 6 19 Eliminating location [14] by chaining: Applied chaining First rule: [6] -> [14] : c'=1+c, T, cost: 1 Second rule: [14] -> [4] : T, cost: 1 New rule: [6] -> [4] : c'=1+c, T, cost: 1 Applied deletion Removed the following rules: 14 15 Eliminating location [11] by chaining: Applied chaining First rule: [9] -> [11] : y > 0, cost: 1 Second rule: [11] -> [12] : y'=-1+y, T, cost: 1 New rule: [9] -> [12] : y'=-1+y, y > 0, cost: 1 Applied deletion Removed the following rules: 8 9 Eliminating location [13] by chaining: Applied chaining First rule: [9] -> [13] : y <= 0, cost: 1 Second rule: [13] -> [10] : T, cost: 1 New rule: [9] -> [10] : y <= 0, cost: 1 Applied deletion Removed the following rules: 11 12 Eliminating location [12] by chaining: Applied chaining First rule: [9] -> [12] : y'=-1+y, y > 0, cost: 1 Second rule: [12] -> [10] : T, cost: 1 New rule: [9] -> [10] : y'=-1+y, y > 0, cost: 1 Applied deletion Removed the following rules: 10 22 Step with 18 Trace 18[T] Blocked [{}, {}] Step with 16 Trace 18[T], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {}, {}] Backtrack Trace 18[T] Blocked [{}, {16[T]}] Step with 3 Trace 18[T], 3[(x > 0)] Blocked [{}, {16[T]}, {}] Step with 20 Trace 18[T], 3[(x > 0)], 20[(x > 0)] Blocked [{}, {16[T]}, {7[T]}, {}] Step with 21 Trace 18[T], 3[(x > 0)], 20[(x > 0)], 21[T] Blocked [{}, {16[T]}, {7[T]}, {}, {}] Accelerate Start location: [1] Program variables: c x y 18: [1] -> [4] : c'=0, x'=nondet, y'=nondet1, T, cost: 1 3: [4] -> [5] : (y > 0 \/ x > 0), cost: 1 16: [4] -> [15] : (y <= 0 /\ x <= 0), cost: 1 25: [4] -> [4] : c'=c+n, x'=-n+x, (1-n+x > 0 /\ -1+n >= 0), cost: 1 7: [5] -> [9] : x <= 0, cost: 1 20: [5] -> [6] : x'=-1+x, x > 0, cost: 1 21: [6] -> [4] : c'=1+c, T, cost: 1 23: [9] -> [10] : y <= 0, cost: 1 24: [9] -> [10] : y'=-1+y, y > 0, cost: 1 13: [10] -> [6] : T, cost: 1 Loop Acceleration Original rule: [4] -> [4] : c'=1+c, x'=-1+x, x > 0, cost: 1 New rule: [4] -> [4] : c'=c+n, x'=-n+x, (1-n+x > 0 /\ -1+n >= 0), cost: 1 x > 0 [0]: montonic decrease yields 1-n+x > 0 x > 0 [1]: eventual increase yields (1 <= 0 /\ x > 0) Replacement map: {x > 0 -> 1-n+x > 0} Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {16[T]}, {25[T]}] Step with 16 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {16[T]}, {25[T]}, {}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {16[T]}, {16[T], 25[T]}] Step with 3 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(x > 0)] Blocked [{}, {16[T]}, {16[T], 25[T]}, {}] Step with 20 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(x > 0)], 20[(x > 0)] Blocked [{}, {16[T]}, {16[T], 25[T]}, {}, {}] Step with 21 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(x > 0)], 20[(x > 0)], 21[T] Blocked [{}, {16[T]}, {16[T], 25[T]}, {}, {}, {}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(x > 0)], 20[(x > 0)] Blocked [{}, {16[T]}, {16[T], 25[T]}, {}, {21[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(x > 0)] Blocked [{}, {16[T]}, {16[T], 25[T]}, {20[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {16[T]}, {3[x > 0], 16[T], 25[T]}] Step with 3 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)] Blocked [{}, {16[T]}, {3[x > 0], 16[T], 25[T]}, {}] Step with 20 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {16[T]}, {3[x > 0], 16[T], 25[T]}, {}, {}] Step with 21 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 20[(x > 0)], 21[T] Blocked [{}, {16[T]}, {3[x > 0], 16[T], 25[T]}, {}, {}, {}] Accelerate Start location: [1] Program variables: c x y 18: [1] -> [4] : c'=0, x'=nondet, y'=nondet1, T, cost: 1 3: [4] -> [5] : (y > 0 \/ x > 0), cost: 1 16: [4] -> [15] : (y <= 0 /\ x <= 0), cost: 1 25: [4] -> [4] : c'=c+n, x'=-n+x, (1-n+x > 0 /\ -1+n >= 0), cost: 1 26: [4] -> [4] : c'=c+n2, x'=-n2+x, (-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0), cost: 1 7: [5] -> [9] : x <= 0, cost: 1 20: [5] -> [6] : x'=-1+x, x > 0, cost: 1 21: [6] -> [4] : c'=1+c, T, cost: 1 23: [9] -> [10] : y <= 0, cost: 1 24: [9] -> [10] : y'=-1+y, y > 0, cost: 1 13: [10] -> [6] : T, cost: 1 Loop Acceleration Original rule: [4] -> [4] : c'=1+c, x'=-1+x, (y > 0 /\ x > 0), cost: 1 New rule: [4] -> [4] : c'=c+n2, x'=-n2+x, (-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0), cost: 1 y > 0 [0]: monotonic increase yields y > 0 x > 0 [0]: montonic decrease yields 1-n2+x > 0 x > 0 [1]: eventual increase yields (1 <= 0 /\ x > 0) Replacement map: {y > 0 -> y > 0, x > 0 -> 1-n2+x > 0} Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {16[T]}, {3[x > 0], 16[T], 25[T]}, {26[T]}] Accelerate Start location: [1] Program variables: c x y 18: [1] -> [4] : c'=0, x'=nondet, y'=nondet1, T, cost: 1 3: [4] -> [5] : (y > 0 \/ x > 0), cost: 1 16: [4] -> [15] : (y <= 0 /\ x <= 0), cost: 1 25: [4] -> [4] : c'=c+n, x'=-n+x, (1-n+x > 0 /\ -1+n >= 0), cost: 1 26: [4] -> [4] : c'=c+n2, x'=-n2+x, (-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0), cost: 1 27: [4] -> [4] : c'=c+n1*n3+n2*n3, x'=-n1*n3+x-n2*n3, (-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0), cost: 1 7: [5] -> [9] : x <= 0, cost: 1 20: [5] -> [6] : x'=-1+x, x > 0, cost: 1 21: [6] -> [4] : c'=1+c, T, cost: 1 23: [9] -> [10] : y <= 0, cost: 1 24: [9] -> [10] : y'=-1+y, y > 0, cost: 1 13: [10] -> [6] : T, cost: 1 Loop Acceleration Original rule: [4] -> [4] : c'=c+n2+n1, x'=-n2-n1+x, (-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n1+x > 0 /\ 1-n2-n1+x > 0 /\ y > 0), cost: 1 New rule: [4] -> [4] : c'=c+n1*n3+n2*n3, x'=-n1*n3+x-n2*n3, (-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0), cost: 1 -1+n1 >= 0 [0]: monotonic increase yields -1+n1 >= 0 -1+n2 >= 0 [0]: monotonic increase yields -1+n2 >= 0 1-n1+x > 0 [0]: montonic decrease yields 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0, dependencies: -1+n1 >= 0 -1+n2 >= 0 1-n1+x > 0 [1]: eventual increase yields (1-n1+x > 0 /\ n2+n1 <= 0), dependencies: -1+n1 >= 0 -1+n2 >= 0 1-n2-n1+x > 0 [0]: montonic decrease yields 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0, dependencies: -1+n1 >= 0 -1+n2 >= 0 1-n2-n1+x > 0 [1]: eventual increase yields (n2+n1 <= 0 /\ 1-n2-n1+x > 0), dependencies: -1+n1 >= 0 -1+n2 >= 0 y > 0 [0]: monotonic increase yields y > 0 Replacement map: {-1+n1 >= 0 -> -1+n1 >= 0, -1+n2 >= 0 -> -1+n2 >= 0, 1-n1+x > 0 -> 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0, 1-n2-n1+x > 0 -> 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0, y > 0 -> y > 0} Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {16[T]}, {27[T]}] Step with 3 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {16[T]}, {16[T], 27[T]}, {}] Step with 20 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {16[T]}, {16[T], 27[T]}, {}, {}] Step with 21 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)], 21[T] Blocked [{}, {16[T]}, {16[T], 27[T]}, {}, {}, {}] Covered Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {16[T]}, {16[T], 27[T]}, {}, {21[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {16[T]}, {16[T], 27[T]}, {20[T]}] Step with 7 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {16[T]}, {16[T], 27[T]}, {20[T]}, {}] Step with 24 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {16[T]}, {16[T], 27[T]}, {20[T]}, {23[T]}, {}] Step with 13 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {16[T]}, {16[T], 27[T]}, {20[T]}, {23[T]}, {}, {}] Step with 21 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {16[T]}, {16[T], 27[T]}, {20[T]}, {23[T]}, {}, {}, {}] Accelerate Start location: [1] Program variables: c x y 18: [1] -> [4] : c'=0, x'=nondet, y'=nondet1, T, cost: 1 3: [4] -> [5] : (y > 0 \/ x > 0), cost: 1 16: [4] -> [15] : (y <= 0 /\ x <= 0), cost: 1 25: [4] -> [4] : c'=c+n, x'=-n+x, (1-n+x > 0 /\ -1+n >= 0), cost: 1 26: [4] -> [4] : c'=c+n2, x'=-n2+x, (-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0), cost: 1 27: [4] -> [4] : c'=c+n1*n3+n2*n3, x'=-n1*n3+x-n2*n3, (-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0), cost: 1 28: [4] -> [4] : c'=c+n4, y'=-n4+y, (-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0), cost: 1 7: [5] -> [9] : x <= 0, cost: 1 20: [5] -> [6] : x'=-1+x, x > 0, cost: 1 21: [6] -> [4] : c'=1+c, T, cost: 1 23: [9] -> [10] : y <= 0, cost: 1 24: [9] -> [10] : y'=-1+y, y > 0, cost: 1 13: [10] -> [6] : T, cost: 1 Loop Acceleration Original rule: [4] -> [4] : c'=1+c, y'=-1+y, (y > 0 /\ x <= 0), cost: 1 New rule: [4] -> [4] : c'=c+n4, y'=-n4+y, (-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0), cost: 1 y > 0 [0]: montonic decrease yields 1-n4+y > 0 y > 0 [1]: eventual increase yields (1 <= 0 /\ y > 0) -x >= 0 [0]: monotonic increase yields -x >= 0 Replacement map: {y > 0 -> 1-n4+y > 0, -x >= 0 -> -x >= 0} Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {16[T]}, {16[T], 27[T]}, {28[T]}] Acceleration Failed marked recursive suffix as redundant Step with 16 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {16[T]}, {16[T], 27[T]}, {28[T]}, {}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {16[T]}, {16[T], 27[T]}, {16[T], 28[T]}] Step with 3 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {16[T]}, {16[T], 27[T]}, {16[T], 28[T]}, {}] Step with 7 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {16[T]}, {16[T], 27[T]}, {16[T], 28[T]}, {}, {}] Step with 24 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {16[T]}, {16[T], 27[T]}, {16[T], 28[T]}, {}, {}, {}] Step with 13 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {16[T]}, {16[T], 27[T]}, {16[T], 28[T]}, {}, {}, {}, {}] Step with 21 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {16[T]}, {16[T], 27[T]}, {16[T], 28[T]}, {}, {}, {}, {}, {}] Covered Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {16[T]}, {16[T], 27[T]}, {16[T], 28[T]}, {}, {}, {}, {21[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {16[T]}, {16[T], 27[T]}, {16[T], 28[T]}, {}, {}, {13[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {16[T]}, {16[T], 27[T]}, {16[T], 28[T]}, {}, {24[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {16[T]}, {16[T], 27[T]}, {16[T], 28[T]}, {7[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {16[T]}, {16[T], 27[T]}, {3[y > 0], 16[T], 28[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {16[T]}, {16[T], 27[T], 28[T]}] Step with 3 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {16[T]}, {16[T], 27[T], 28[T]}, {}] Step with 7 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {16[T]}, {16[T], 27[T], 28[T]}, {}, {}] Step with 24 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {16[T]}, {16[T], 27[T], 28[T]}, {}, {}, {}] Step with 13 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {16[T]}, {16[T], 27[T], 28[T]}, {}, {}, {}, {}] Step with 21 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {16[T]}, {16[T], 27[T], 28[T]}, {}, {}, {}, {}, {}] Covered Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {16[T]}, {16[T], 27[T], 28[T]}, {}, {}, {}, {21[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {16[T]}, {16[T], 27[T], 28[T]}, {}, {}, {13[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {16[T]}, {16[T], 27[T], 28[T]}, {}, {24[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {16[T]}, {16[T], 27[T], 28[T]}, {7[T]}] Step with 20 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {16[T]}, {16[T], 27[T], 28[T]}, {7[T]}, {}] Step with 21 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)], 21[T] Blocked [{}, {16[T]}, {16[T], 27[T], 28[T]}, {7[T]}, {}, {}] Covered Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {16[T]}, {16[T], 27[T], 28[T]}, {7[T]}, {21[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {16[T]}, {16[T], 27[T], 28[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {16[T]}, {3[y > 0], 16[T], 27[T], 28[T]}] Step with 25 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 27[T], 28[T]}, {25[T]}] Accelerate Start location: [1] Program variables: c x y 18: [1] -> [4] : c'=0, x'=nondet, y'=nondet1, T, cost: 1 3: [4] -> [5] : (y > 0 \/ x > 0), cost: 1 16: [4] -> [15] : (y <= 0 /\ x <= 0), cost: 1 25: [4] -> [4] : c'=c+n, x'=-n+x, (1-n+x > 0 /\ -1+n >= 0), cost: 1 26: [4] -> [4] : c'=c+n2, x'=-n2+x, (-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0), cost: 1 27: [4] -> [4] : c'=c+n1*n3+n2*n3, x'=-n1*n3+x-n2*n3, (-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0), cost: 1 28: [4] -> [4] : c'=c+n4, y'=-n4+y, (-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0), cost: 1 29: [4] -> [4] : c'=c+n22*n31*n6+n11*n31*n6+n*n6, x'=-n22*n31*n6-n11*n31*n6-n*n6+x, (-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0), cost: 1 7: [5] -> [9] : x <= 0, cost: 1 20: [5] -> [6] : x'=-1+x, x > 0, cost: 1 21: [6] -> [4] : c'=1+c, T, cost: 1 23: [9] -> [10] : y <= 0, cost: 1 24: [9] -> [10] : y'=-1+y, y > 0, cost: 1 13: [10] -> [6] : T, cost: 1 Loop Acceleration Original rule: [4] -> [4] : c'=c+n+n11*n31+n22*n31, x'=-n-n11*n31-n22*n31+x, (1-n11*(-1+n31)-n11-n22*(-1+n31)+x > 0 /\ 1-n11*(-1+n31)-n11-n22*(-1+n31)-n22+x > 0 /\ -1+n11 >= 0 /\ -1+n31 >= 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0 /\ 1-n-n11*n31-n22*n31+x > 0), cost: 1 New rule: [4] -> [4] : c'=c+n22*n31*n6+n11*n31*n6+n*n6, x'=-n22*n31*n6-n11*n31*n6-n*n6+x, (-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0), cost: 1 1-n11*(-1+n31)-n11-n22*(-1+n31)+x > 0 [0]: montonic decrease yields 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0, dependencies: 1-n11*(-1+n31)-n11-n22*(-1+n31)-n22+x > 0 -1+n22 >= 0 1-n11*(-1+n31)-n11-n22*(-1+n31)+x > 0 [1]: eventual decrease yields (1-n11*(-1+n31)-n11-n22*(-1+n31)+x > 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0) 1-n11*(-1+n31)-n11-n22*(-1+n31)+x > 0 [2]: eventual increase yields (1-n11*(-1+n31)-n11-n22*(-1+n31)+x > 0 /\ n+n11*n31+n22*n31 <= 0) 1-n11*(-1+n31)-n11-n22*(-1+n31)-n22+x > 0 [0]: montonic decrease yields 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0, dependencies: -1+n >= 0 1-n-n11*n31-n22*n31+x > 0 1-n11*(-1+n31)-n11-n22*(-1+n31)-n22+x > 0 [1]: eventual decrease yields (1-n11*(-1+n31)-n11-n22*(-1+n31)-n22+x > 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0) 1-n11*(-1+n31)-n11-n22*(-1+n31)-n22+x > 0 [2]: eventual increase yields (1-n11*(-1+n31)-n11-n22*(-1+n31)-n22+x > 0 /\ n+n11*n31+n22*n31 <= 0) -1+n11 >= 0 [0]: monotonic increase yields -1+n11 >= 0 -1+n31 >= 0 [0]: monotonic increase yields -1+n31 >= 0 -1+n >= 0 [0]: monotonic increase yields -1+n >= 0 -1+n22 >= 0 [0]: monotonic increase yields -1+n22 >= 0 y > 0 [0]: monotonic increase yields y > 0 1-n-n11*n31-n22*n31+x > 0 [0]: montonic decrease yields 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0, dependencies: -1+n11 >= 0 -1+n31 >= 0 -1+n >= 0 -1+n22 >= 0 1-n-n11*n31-n22*n31+x > 0 [1]: eventual increase yields (n+n11*n31+n22*n31 <= 0 /\ 1-n-n11*n31-n22*n31+x > 0) Replacement map: {1-n11*(-1+n31)-n11-n22*(-1+n31)+x > 0 -> 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0, 1-n11*(-1+n31)-n11-n22*(-1+n31)-n22+x > 0 -> 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0, -1+n11 >= 0 -> -1+n11 >= 0, -1+n31 >= 0 -> -1+n31 >= 0, -1+n >= 0 -> -1+n >= 0, -1+n22 >= 0 -> -1+n22 >= 0, y > 0 -> y > 0, 1-n-n11*n31-n22*n31+x > 0 -> 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0} Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {16[T]}, {29[T]}] Step with 3 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {16[T]}, {16[T], 29[T]}, {}] Step with 20 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {16[T]}, {16[T], 29[T]}, {}, {}] Step with 21 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)], 21[T] Blocked [{}, {16[T]}, {16[T], 29[T]}, {}, {}, {}] Covered Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {16[T]}, {16[T], 29[T]}, {}, {21[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {16[T]}, {16[T], 29[T]}, {20[T]}] Step with 7 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {16[T]}, {16[T], 29[T]}, {20[T]}, {}] Step with 24 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {16[T]}, {16[T], 29[T]}, {20[T]}, {}, {}] Step with 13 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {16[T]}, {16[T], 29[T]}, {20[T]}, {}, {}, {}] Step with 21 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {16[T]}, {16[T], 29[T]}, {20[T]}, {}, {}, {}, {}] Covered Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {16[T]}, {16[T], 29[T]}, {20[T]}, {}, {}, {21[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {16[T]}, {16[T], 29[T]}, {20[T]}, {}, {13[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {16[T]}, {16[T], 29[T]}, {20[T]}, {24[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {16[T]}, {16[T], 29[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {16[T]}, {3[y > 0], 16[T], 29[T]}] Step with 25 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 29[T]}, {25[T]}] Covered Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 29[T]}] Step with 26 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 29[T]}, {26[T]}] Covered Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 29[T]}] Step with 27 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 29[T]}, {27[T]}] Covered Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T]}] Step with 28 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T]}, {28[T]}] Acceleration Failed marked recursive suffix as redundant Step with 16 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T]}, {28[T], 29[T]}, {}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T]}, {16[T], 28[T], 29[T]}] Step with 3 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T]}, {16[T], 28[T], 29[T]}, {}] Step with 7 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T]}, {16[T], 28[T], 29[T]}, {}, {}] Step with 24 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T]}, {16[T], 28[T], 29[T]}, {}, {}, {}] Step with 13 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T]}, {16[T], 28[T], 29[T]}, {}, {}, {}, {}] Step with 21 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T]}, {16[T], 28[T], 29[T]}, {}, {}, {}, {}, {}] Covered Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T]}, {16[T], 28[T], 29[T]}, {}, {}, {}, {21[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T]}, {16[T], 28[T], 29[T]}, {}, {}, {13[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T]}, {16[T], 28[T], 29[T]}, {}, {24[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T]}, {16[T], 28[T], 29[T]}, {7[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T]}, {3[y > 0], 16[T], 28[T], 29[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {16[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 28[T], 29[T]}] Backtrack Trace 18[T] Blocked [{}, {16[T], 29[T]}] Step with 3 Trace 18[T], 3[(y > 0)] Blocked [{}, {16[T], 29[T]}, {}] Step with 7 Trace 18[T], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {16[T], 29[T]}, {}, {}] Step with 24 Trace 18[T], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {16[T], 29[T]}, {}, {}, {}] Step with 13 Trace 18[T], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {16[T], 29[T]}, {}, {}, {}, {}] Step with 21 Trace 18[T], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {16[T], 29[T]}, {}, {}, {}, {}, {}] Covered Trace 18[T], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {16[T], 29[T]}, {}, {}, {}, {21[T]}] Backtrack Trace 18[T], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {16[T], 29[T]}, {}, {}, {13[T]}] Backtrack Trace 18[T], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {16[T], 29[T]}, {}, {24[T]}] Backtrack Trace 18[T], 3[(y > 0)] Blocked [{}, {16[T], 29[T]}, {7[T]}] Step with 20 Trace 18[T], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {16[T], 29[T]}, {7[T]}, {}] Step with 21 Trace 18[T], 3[(y > 0)], 20[(x > 0)], 21[T] Blocked [{}, {16[T], 29[T]}, {7[T]}, {}, {}] Covered Trace 18[T], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {16[T], 29[T]}, {7[T]}, {21[T]}] Backtrack Trace 18[T], 3[(y > 0)] Blocked [{}, {16[T], 29[T]}, {7[T], 20[T]}] Backtrack Trace 18[T] Blocked [{}, {3[y > 0], 16[T], 29[T]}] Step with 3 Trace 18[T], 3[(x > 0)] Blocked [{}, {3[y > 0], 16[T], 29[T]}, {}] Step with 20 Trace 18[T], 3[(x > 0)], 20[(x > 0)] Blocked [{}, {3[y > 0], 16[T], 29[T]}, {}, {}] Step with 21 Trace 18[T], 3[(x > 0)], 20[(x > 0)], 21[T] Blocked [{}, {3[y > 0], 16[T], 29[T]}, {}, {}, {}] Covered Trace 18[T], 3[(x > 0)], 20[(x > 0)] Blocked [{}, {3[y > 0], 16[T], 29[T]}, {}, {21[T]}] Backtrack Trace 18[T], 3[(x > 0)] Blocked [{}, {3[y > 0], 16[T], 29[T]}, {20[T]}] Backtrack Trace 18[T] Blocked [{}, {3[(y > 0 /\ x > 0)], 16[T], 29[T]}] Step with 25 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T]}] Step with 26 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T]}, {26[T]}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T]}] Step with 27 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T]}, {27[T]}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T]}] Step with 28 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T]}, {28[T]}] Acceleration Failed marked recursive suffix as redundant Step with 16 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T]}, {28[T], 29[T]}, {}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T]}, {16[T], 28[T], 29[T]}] Step with 3 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T]}, {16[T], 28[T], 29[T]}, {}] Step with 7 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T]}, {16[T], 28[T], 29[T]}, {20[T]}, {}] Step with 24 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T]}, {16[T], 28[T], 29[T]}, {20[T]}, {}, {}] Step with 13 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T]}, {16[T], 28[T], 29[T]}, {20[T]}, {}, {}, {}] Step with 21 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T]}, {16[T], 28[T], 29[T]}, {20[T]}, {}, {}, {}, {}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T]}, {16[T], 28[T], 29[T]}, {20[T]}, {}, {}, {21[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T]}, {16[T], 28[T], 29[T]}, {20[T]}, {}, {13[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T]}, {16[T], 28[T], 29[T]}, {20[T]}, {24[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T]}, {16[T], 28[T], 29[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T]}, {3[y > 0], 16[T], 28[T], 29[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T], 28[T]}] Step with 3 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T], 28[T]}, {}] Step with 7 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T], 28[T]}, {}, {}] Step with 24 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T], 28[T]}, {}, {}, {}] Step with 13 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T], 28[T]}, {}, {}, {}, {}] Step with 21 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T], 28[T]}, {}, {}, {}, {}, {}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T], 28[T]}, {}, {}, {}, {21[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T], 28[T]}, {}, {}, {13[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T], 28[T]}, {}, {24[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T], 28[T]}, {7[T]}] Step with 20 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T], 28[T]}, {7[T]}, {}] Step with 21 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 20[(x > 0)], 21[T] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T], 28[T]}, {7[T]}, {}, {}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T], 28[T]}, {7[T]}, {21[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {25[T], 26[T], 27[T], 28[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {3[y > 0], 25[T], 26[T], 27[T], 28[T]}] Step with 3 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(x > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {3[y > 0], 25[T], 26[T], 27[T], 28[T]}, {}] Step with 20 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(x > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {3[y > 0], 25[T], 26[T], 27[T], 28[T]}, {}, {}] Step with 21 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(x > 0)], 20[(x > 0)], 21[T] Blocked [{}, {3[T], 16[T], 29[T]}, {3[y > 0], 25[T], 26[T], 27[T], 28[T]}, {}, {}, {}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(x > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {3[y > 0], 25[T], 26[T], 27[T], 28[T]}, {}, {21[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(x > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {3[y > 0], 25[T], 26[T], 27[T], 28[T]}, {20[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {3[(y > 0 /\ x > 0)], 25[T], 26[T], 27[T], 28[T]}] Step with 29 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {3[T], 25[T], 26[T], 27[T], 28[T]}, {29[T]}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T]}] Step with 16 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T]}, {}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T], 29[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 28[T], 29[T]}] Backtrack Trace 18[T] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}] Step with 26 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {26[T]}] Step with 27 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {26[T]}, {27[T]}] Accelerate Start location: [1] Program variables: c x y 18: [1] -> [4] : c'=0, x'=nondet, y'=nondet1, T, cost: 1 3: [4] -> [5] : (y > 0 \/ x > 0), cost: 1 16: [4] -> [15] : (y <= 0 /\ x <= 0), cost: 1 25: [4] -> [4] : c'=c+n, x'=-n+x, (1-n+x > 0 /\ -1+n >= 0), cost: 1 26: [4] -> [4] : c'=c+n2, x'=-n2+x, (-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0), cost: 1 27: [4] -> [4] : c'=c+n1*n3+n2*n3, x'=-n1*n3+x-n2*n3, (-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0), cost: 1 28: [4] -> [4] : c'=c+n4, y'=-n4+y, (-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0), cost: 1 29: [4] -> [4] : c'=c+n22*n31*n6+n11*n31*n6+n*n6, x'=-n22*n31*n6-n11*n31*n6-n*n6+x, (-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0), cost: 1 30: [4] -> [4] : c'=n15*n27+c+n15*n2*n3+n15*n1*n3, x'=-n15*n27-n15*n2*n3+x-n15*n1*n3, (-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0), cost: 1 7: [5] -> [9] : x <= 0, cost: 1 20: [5] -> [6] : x'=-1+x, x > 0, cost: 1 21: [6] -> [4] : c'=1+c, T, cost: 1 23: [9] -> [10] : y <= 0, cost: 1 24: [9] -> [10] : y'=-1+y, y > 0, cost: 1 13: [10] -> [6] : T, cost: 1 Loop Acceleration Original rule: [4] -> [4] : c'=c+n1*n3+n27+n2*n3, x'=-n1*n3+x-n27-n2*n3, (-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x-n27 > 0 /\ 1+x-n27 > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0), cost: 1 New rule: [4] -> [4] : c'=n15*n27+c+n15*n2*n3+n15*n1*n3, x'=-n15*n27-n15*n2*n3+x-n15*n1*n3, (-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0), cost: 1 -1+n1 >= 0 [0]: monotonic increase yields -1+n1 >= 0 -1+n2 >= 0 [0]: monotonic increase yields -1+n2 >= 0 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x-n27 > 0 [0]: montonic decrease yields 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0, dependencies: 1+x-n27 > 0 -1+n27 >= 0 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x-n27 > 0 [1]: eventual decrease yields (1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0) 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x-n27 > 0 [2]: eventual increase yields (1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x-n27 > 0 /\ n1*n3+n27+n2*n3 <= 0) 1+x-n27 > 0 [0]: montonic decrease yields 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0, dependencies: -1+n1 >= 0 -1+n2 >= 0 -1+n3 >= 0 -1+n27 >= 0 1+x-n27 > 0 [1]: eventual decrease yields (1+x-n27 > 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0) 1+x-n27 > 0 [2]: eventual increase yields (1+x-n27 > 0 /\ n1*n3+n27+n2*n3 <= 0) 1-n2*(-1+n3)-n1*(-1+n3)-n1+x-n27 > 0 [0]: montonic decrease yields 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0, dependencies: -1+n2 >= 0 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x-n27 > 0 1-n2*(-1+n3)-n1*(-1+n3)-n1+x-n27 > 0 [1]: eventual increase yields (1-n2*(-1+n3)-n1*(-1+n3)-n1+x-n27 > 0 /\ n1*n3+n27+n2*n3 <= 0) -1+n3 >= 0 [0]: monotonic increase yields -1+n3 >= 0 y > 0 [0]: monotonic increase yields y > 0 -1+n27 >= 0 [0]: monotonic increase yields -1+n27 >= 0 Replacement map: {-1+n1 >= 0 -> -1+n1 >= 0, -1+n2 >= 0 -> -1+n2 >= 0, 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x-n27 > 0 -> 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0, 1+x-n27 > 0 -> 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0, 1-n2*(-1+n3)-n1*(-1+n3)-n1+x-n27 > 0 -> 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0, -1+n3 >= 0 -> -1+n3 >= 0, y > 0 -> y > 0, -1+n27 >= 0 -> -1+n27 >= 0} Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {30[T]}] Step with 3 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {16[T], 30[T]}, {}] Step with 20 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {16[T], 30[T]}, {}, {}] Step with 21 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 20[(x > 0)], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {16[T], 30[T]}, {}, {}, {}] Covered Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {16[T], 30[T]}, {}, {21[T]}] Backtrack Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {16[T], 30[T]}, {20[T]}] Step with 7 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {16[T], 30[T]}, {20[T]}, {}] Step with 24 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {16[T], 30[T]}, {20[T]}, {}, {}] Step with 13 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {16[T], 30[T]}, {20[T]}, {}, {}, {}] Step with 21 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {16[T], 30[T]}, {20[T]}, {}, {}, {}, {}] Covered Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {16[T], 30[T]}, {20[T]}, {}, {}, {21[T]}] Backtrack Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {16[T], 30[T]}, {20[T]}, {}, {13[T]}] Backtrack Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {16[T], 30[T]}, {20[T]}, {24[T]}] Backtrack Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {16[T], 30[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {3[y > 0], 16[T], 30[T]}] Step with 25 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {3[T], 16[T], 30[T]}, {25[T]}] Accelerate Start location: [1] Program variables: c x y 18: [1] -> [4] : c'=0, x'=nondet, y'=nondet1, T, cost: 1 3: [4] -> [5] : (y > 0 \/ x > 0), cost: 1 16: [4] -> [15] : (y <= 0 /\ x <= 0), cost: 1 25: [4] -> [4] : c'=c+n, x'=-n+x, (1-n+x > 0 /\ -1+n >= 0), cost: 1 26: [4] -> [4] : c'=c+n2, x'=-n2+x, (-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0), cost: 1 27: [4] -> [4] : c'=c+n1*n3+n2*n3, x'=-n1*n3+x-n2*n3, (-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0), cost: 1 28: [4] -> [4] : c'=c+n4, y'=-n4+y, (-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0), cost: 1 29: [4] -> [4] : c'=c+n22*n31*n6+n11*n31*n6+n*n6, x'=-n22*n31*n6-n11*n31*n6-n*n6+x, (-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0), cost: 1 30: [4] -> [4] : c'=n15*n27+c+n15*n2*n3+n15*n1*n3, x'=-n15*n27-n15*n2*n3+x-n15*n1*n3, (-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0), cost: 1 31: [4] -> [4] : c'=n*n18+c+n151*n35*n18*n16+n151*n18*n271+n151*n35*n29*n18, x'=-n*n18-n151*n35*n18*n16-n151*n18*n271+x-n151*n35*n29*n18, (-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0), cost: 1 7: [5] -> [9] : x <= 0, cost: 1 20: [5] -> [6] : x'=-1+x, x > 0, cost: 1 21: [6] -> [4] : c'=1+c, T, cost: 1 23: [9] -> [10] : y <= 0, cost: 1 24: [9] -> [10] : y'=-1+y, y > 0, cost: 1 13: [10] -> [6] : T, cost: 1 Loop Acceleration Original rule: [4] -> [4] : c'=c+n151*n35*n16+n+n151*n271+n151*n35*n29, x'=-n151*n35*n16-n-n151*n271-n151*n35*n29+x, (-1+n29 >= 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*n35*n16-n-n151*n271-n151*n35*n29+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-(-1+n35)*n29-n35*(-1+n151)*n29-(-1+n35)*n16-n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n35*(-1+n151)*n29-n271+x > 0 /\ -1+n16 >= 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-(-1+n35)*n29-n35*(-1+n151)*n29-n29-(-1+n35)*n16-n16-n271+x > 0), cost: 1 New rule: [4] -> [4] : c'=n*n18+c+n151*n35*n18*n16+n151*n18*n271+n151*n35*n29*n18, x'=-n*n18-n151*n35*n18*n16-n151*n18*n271+x-n151*n35*n29*n18, (-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0), cost: 1 -1+n29 >= 0 [0]: monotonic increase yields -1+n29 >= 0 -1+n151 >= 0 [0]: monotonic increase yields -1+n151 >= 0 -1+n35 >= 0 [0]: monotonic increase yields -1+n35 >= 0 1-n151*n35*n16-n-n151*n271-n151*n35*n29+x > 0 [0]: montonic decrease yields 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0, dependencies: -1+n29 >= 0 -1+n151 >= 0 -1+n35 >= 0 -1+n16 >= 0 -1+n271 >= 0 -1+n >= 0 1-n151*n35*n16-n-n151*n271-n151*n35*n29+x > 0 [1]: eventual decrease yields (1-n151*n35*n16-n-n151*n271-n151*n35*n29+x > 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0) 1-n151*n35*n16-n-n151*n271-n151*n35*n29+x > 0 [2]: eventual increase yields (n151*n35*n16+n+n151*n271+n151*n35*n29 <= 0 /\ 1-n151*n35*n16-n-n151*n271-n151*n35*n29+x > 0) 1-(-1+n151)*n271-n35*(-1+n151)*n16-(-1+n35)*n29-n35*(-1+n151)*n29-(-1+n35)*n16-n16-n271+x > 0 [0]: montonic decrease yields 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0, dependencies: -1+n29 >= 0 1-n151*n35*n16-n-n151*n271-n151*n35*n29+x > 0 -1+n >= 0 1-(-1+n151)*n271-n35*(-1+n151)*n16-(-1+n35)*n29-n35*(-1+n151)*n29-(-1+n35)*n16-n16-n271+x > 0 [1]: eventual decrease yields (1-(-1+n151)*n271-n35*(-1+n151)*n16-(-1+n35)*n29-n35*(-1+n151)*n29-(-1+n35)*n16-n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0) 1-(-1+n151)*n271-n35*(-1+n151)*n16-(-1+n35)*n29-n35*(-1+n151)*n29-(-1+n35)*n16-n16-n271+x > 0 [2]: eventual increase yields (n151*n35*n16+n+n151*n271+n151*n35*n29 <= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-(-1+n35)*n29-n35*(-1+n151)*n29-(-1+n35)*n16-n16-n271+x > 0) 1-(-1+n151)*n271-n35*(-1+n151)*n16-n35*(-1+n151)*n29-n271+x > 0 [0]: montonic decrease yields 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0, dependencies: -1+n29 >= 0 -1+n35 >= 0 1-n151*n35*n16-n-n151*n271-n151*n35*n29+x > 0 -1+n16 >= 0 -1+n >= 0 1-(-1+n151)*n271-n35*(-1+n151)*n16-n35*(-1+n151)*n29-n271+x > 0 [1]: eventual decrease yields (1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n35*(-1+n151)*n29-n271+x > 0) 1-(-1+n151)*n271-n35*(-1+n151)*n16-n35*(-1+n151)*n29-n271+x > 0 [2]: eventual increase yields (n151*n35*n16+n+n151*n271+n151*n35*n29 <= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n35*(-1+n151)*n29-n271+x > 0) -1+n16 >= 0 [0]: monotonic increase yields -1+n16 >= 0 -1+n271 >= 0 [0]: monotonic increase yields -1+n271 >= 0 -1+n >= 0 [0]: monotonic increase yields -1+n >= 0 y > 0 [0]: monotonic increase yields y > 0 1-(-1+n151)*n271-n35*(-1+n151)*n16-(-1+n35)*n29-n35*(-1+n151)*n29-n29-(-1+n35)*n16-n16-n271+x > 0 [0]: montonic decrease yields 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0, dependencies: 1-n151*n35*n16-n-n151*n271-n151*n35*n29+x > 0 -1+n >= 0 1-(-1+n151)*n271-n35*(-1+n151)*n16-(-1+n35)*n29-n35*(-1+n151)*n29-n29-(-1+n35)*n16-n16-n271+x > 0 [1]: eventual increase yields (n151*n35*n16+n+n151*n271+n151*n35*n29 <= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-(-1+n35)*n29-n35*(-1+n151)*n29-n29-(-1+n35)*n16-n16-n271+x > 0) Replacement map: {-1+n29 >= 0 -> -1+n29 >= 0, -1+n151 >= 0 -> -1+n151 >= 0, -1+n35 >= 0 -> -1+n35 >= 0, 1-n151*n35*n16-n-n151*n271-n151*n35*n29+x > 0 -> 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0, 1-(-1+n151)*n271-n35*(-1+n151)*n16-(-1+n35)*n29-n35*(-1+n151)*n29-(-1+n35)*n16-n16-n271+x > 0 -> 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0, 1-(-1+n151)*n271-n35*(-1+n151)*n16-n35*(-1+n151)*n29-n271+x > 0 -> 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0, -1+n16 >= 0 -> -1+n16 >= 0, -1+n271 >= 0 -> -1+n271 >= 0, -1+n >= 0 -> -1+n >= 0, y > 0 -> y > 0, 1-(-1+n151)*n271-n35*(-1+n151)*n16-(-1+n35)*n29-n35*(-1+n151)*n29-n29-(-1+n35)*n16-n16-n271+x > 0 -> 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0} Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 29[T]}, {31[T]}] Restart Step with 18 Trace 18[T] Blocked [{}, {}] Step with 16 Trace 18[T], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {}, {}] Backtrack Trace 18[T] Blocked [{}, {16[T]}] Step with 3 Trace 18[T], 3[(x > 0)] Blocked [{}, {16[T]}, {}] Step with 20 Trace 18[T], 3[(x > 0)], 20[(x > 0)] Blocked [{}, {16[T]}, {}, {}] Step with 21 Trace 18[T], 3[(x > 0)], 20[(x > 0)], 21[T] Blocked [{}, {16[T]}, {}, {}, {}] Covered Trace 18[T], 3[(x > 0)], 20[(x > 0)] Blocked [{}, {16[T]}, {}, {21[T]}] Backtrack Trace 18[T], 3[(x > 0)] Blocked [{}, {16[T]}, {20[T]}] Backtrack Trace 18[T] Blocked [{}, {3[x > 0], 16[T]}] Step with 3 Trace 18[T], 3[(y > 0)] Blocked [{}, {3[x > 0], 16[T]}, {}] Step with 20 Trace 18[T], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[x > 0], 16[T]}, {}, {}] Step with 21 Trace 18[T], 3[(y > 0)], 20[(x > 0)], 21[T] Blocked [{}, {3[x > 0], 16[T]}, {}, {}, {}] Covered Trace 18[T], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[x > 0], 16[T]}, {}, {21[T]}] Backtrack Trace 18[T], 3[(y > 0)] Blocked [{}, {3[x > 0], 16[T]}, {20[T]}] Step with 7 Trace 18[T], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[x > 0], 16[T]}, {20[T]}, {}] Step with 24 Trace 18[T], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[x > 0], 16[T]}, {20[T]}, {}, {}] Step with 13 Trace 18[T], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[x > 0], 16[T]}, {20[T]}, {}, {}, {}] Step with 21 Trace 18[T], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[x > 0], 16[T]}, {20[T]}, {}, {}, {}, {}] Covered Trace 18[T], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[x > 0], 16[T]}, {20[T]}, {}, {}, {21[T]}] Backtrack Trace 18[T], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[x > 0], 16[T]}, {20[T]}, {}, {13[T]}] Backtrack Trace 18[T], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[x > 0], 16[T]}, {20[T]}, {24[T]}] Backtrack Trace 18[T], 3[(y > 0)] Blocked [{}, {3[x > 0], 16[T]}, {7[T], 20[T]}] Backtrack Trace 18[T] Blocked [{}, {3[(y > 0 /\ x > 0)], 16[T]}] Step with 25 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T]}, {25[T]}] Step with 31 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T]}, {25[T]}, {31[T]}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 31[T]}] Step with 26 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 31[T]}, {26[T]}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 31[T]}] Step with 30 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 31[T]}, {30[T]}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 30[T], 31[T]}] Step with 29 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 30[T], 31[T]}, {29[T]}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 29[T], 30[T], 31[T]}] Step with 27 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 29[T], 30[T], 31[T]}, {27[T]}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 29[T], 30[T], 31[T]}] Step with 28 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 29[T], 30[T], 31[T]}, {28[T]}] Step with 16 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 29[T], 30[T], 31[T]}, {28[T]}, {}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}] Step with 3 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {}] Step with 7 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {}, {}] Step with 24 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {}, {}, {}] Step with 13 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {}, {}, {}, {}] Step with 21 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {}, {}, {}, {}, {}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {}, {}, {}, {21[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {}, {}, {13[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {}, {24[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {7[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 29[T], 30[T], 31[T]}, {3[y > 0], 16[T], 28[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}] Step with 3 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}] Step with 7 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {}] Step with 24 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {}, {}] Step with 13 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {}, {}, {}] Step with 21 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {}, {}, {}, {}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {}, {}, {21[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {}, {13[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {24[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {7[T]}] Step with 20 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {7[T]}, {}] Step with 21 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 20[(x > 0)], 21[T] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {7[T]}, {}, {}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {7[T]}, {21[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T]}, {25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T]}, {3[y > 0], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}] Step with 3 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(x > 0)] Blocked [{}, {3[T], 16[T]}, {3[y > 0], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}] Step with 20 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(x > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T]}, {3[y > 0], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {}] Step with 21 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(x > 0)], 20[(x > 0)], 21[T] Blocked [{}, {3[T], 16[T]}, {3[y > 0], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {}, {}] Covered Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(x > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T]}, {3[y > 0], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {21[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 3[(x > 0)] Blocked [{}, {3[T], 16[T]}, {3[y > 0], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {20[T]}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T]}, {3[(y > 0 /\ x > 0)], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}] Step with 16 Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {3[T], 16[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}] Backtrack Trace 18[T], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}] Backtrack Trace 18[T] Blocked [{}, {3[T], 16[T], 25[T]}] Step with 31 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {31[T]}] Step with 26 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {31[T]}, {26[T]}] Covered Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 31[T]}] Step with 30 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 31[T]}, {30[T]}] Covered Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 30[T], 31[T]}] Step with 29 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 30[T], 31[T]}, {29[T]}] Covered Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 29[T], 30[T], 31[T]}] Step with 27 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 29[T], 30[T], 31[T]}, {27[T]}] Covered Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 29[T], 30[T], 31[T]}] Step with 28 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 29[T], 30[T], 31[T]}, {28[T]}] Acceleration Failed marked recursive suffix as redundant Step with 16 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 29[T], 30[T], 31[T]}, {28[T]}, {}] Backtrack Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}] Step with 3 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {}] Step with 7 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {20[T]}, {}] Step with 24 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {20[T]}, {}, {}] Step with 13 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {20[T]}, {}, {}, {}] Step with 21 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {20[T]}, {}, {}, {}, {}] Covered Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {20[T]}, {}, {}, {21[T]}] Backtrack Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {20[T]}, {}, {13[T]}] Backtrack Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {20[T]}, {24[T]}] Backtrack Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 29[T], 30[T], 31[T]}, {16[T], 28[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 29[T], 30[T], 31[T]}, {3[y > 0], 16[T], 28[T]}] Backtrack Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}] Step with 3 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}] Step with 7 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {}] Step with 24 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {}, {}] Step with 13 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {}, {}, {}] Step with 21 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {}, {}, {}, {}] Covered Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {}, {}, {21[T]}] Backtrack Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {}, {13[T]}] Backtrack Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {}, {24[T]}] Backtrack Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {7[T]}] Step with 20 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {7[T]}, {}] Step with 21 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)], 21[T] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {7[T]}, {}, {}] Covered Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {7[T]}, {21[T]}] Backtrack Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {3[y > 0], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}] Step with 25 Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {3[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {25[T]}] Covered Trace 18[T], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}] Backtrack Trace 18[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}] Step with 26 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T]}] Step with 30 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T]}, {30[T]}] Covered Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 30[T]}] Step with 29 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 30[T]}, {29[T]}] Covered Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 29[T], 30[T]}] Step with 27 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 29[T], 30[T]}, {27[T]}] Covered Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 29[T], 30[T]}] Step with 28 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 29[T], 30[T]}, {28[T]}] Acceleration Failed marked recursive suffix as redundant Step with 16 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 29[T], 30[T]}, {28[T]}, {}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T]}] Step with 3 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T]}, {}] Step with 7 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T]}, {20[T]}, {}] Step with 24 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T]}, {20[T]}, {}, {}] Step with 13 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T]}, {20[T]}, {}, {}, {}] Step with 21 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T]}, {20[T]}, {}, {}, {}, {}] Covered Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T]}, {20[T]}, {}, {}, {21[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T]}, {20[T]}, {}, {13[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T]}, {20[T]}, {24[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 29[T], 30[T]}, {3[y > 0], 16[T], 28[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}] Step with 3 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {}] Step with 7 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {}, {}] Step with 24 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {}, {}, {}] Step with 13 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {}, {}, {}, {}] Step with 21 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {}, {}, {}, {}, {}] Covered Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {}, {}, {}, {21[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {}, {}, {13[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {}, {24[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {7[T]}] Step with 20 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {7[T]}, {}] Step with 21 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {7[T]}, {}, {}] Covered Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {7[T]}, {21[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[y > 0], 26[T], 27[T], 28[T], 29[T], 30[T]}] Step with 25 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 26[T], 27[T], 28[T], 29[T], 30[T]}, {25[T]}] Accelerate Start location: [1] Program variables: c x y 18: [1] -> [4] : c'=0, x'=nondet, y'=nondet1, T, cost: 1 3: [4] -> [5] : (y > 0 \/ x > 0), cost: 1 16: [4] -> [15] : (y <= 0 /\ x <= 0), cost: 1 25: [4] -> [4] : c'=c+n, x'=-n+x, (1-n+x > 0 /\ -1+n >= 0), cost: 1 26: [4] -> [4] : c'=c+n2, x'=-n2+x, (-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0), cost: 1 27: [4] -> [4] : c'=c+n1*n3+n2*n3, x'=-n1*n3+x-n2*n3, (-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0), cost: 1 28: [4] -> [4] : c'=c+n4, y'=-n4+y, (-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0), cost: 1 29: [4] -> [4] : c'=c+n22*n31*n6+n11*n31*n6+n*n6, x'=-n22*n31*n6-n11*n31*n6-n*n6+x, (-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0), cost: 1 30: [4] -> [4] : c'=n15*n27+c+n15*n2*n3+n15*n1*n3, x'=-n15*n27-n15*n2*n3+x-n15*n1*n3, (-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0), cost: 1 31: [4] -> [4] : c'=n*n18+c+n151*n35*n18*n16+n151*n18*n271+n151*n35*n29*n18, x'=-n*n18-n151*n35*n18*n16-n151*n18*n271+x-n151*n35*n29*n18, (-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0), cost: 1 32: [4] -> [4] : c'=n50*n+c+n50*n216, x'=-n50*n-n50*n216+x, (-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0), cost: 1 7: [5] -> [9] : x <= 0, cost: 1 20: [5] -> [6] : x'=-1+x, x > 0, cost: 1 21: [6] -> [4] : c'=1+c, T, cost: 1 23: [9] -> [10] : y <= 0, cost: 1 24: [9] -> [10] : y'=-1+y, y > 0, cost: 1 13: [10] -> [6] : T, cost: 1 Loop Acceleration Original rule: [4] -> [4] : c'=c+n+n216, x'=-n-n216+x, (1-n-n216+x > 0 /\ -1+n216 >= 0 /\ 1-n216+x > 0 /\ -1+n >= 0 /\ y > 0), cost: 1 New rule: [4] -> [4] : c'=n50*n+c+n50*n216, x'=-n50*n-n50*n216+x, (-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0), cost: 1 1-n-n216+x > 0 [0]: montonic decrease yields 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0, dependencies: -1+n216 >= 0 1-n216+x > 0 1-n-n216+x > 0 [1]: eventual decrease yields (1-n-n216+x > 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0) 1-n-n216+x > 0 [2]: eventual increase yields (1-n-n216+x > 0 /\ n+n216 <= 0) -1+n216 >= 0 [0]: monotonic increase yields -1+n216 >= 0 1-n216+x > 0 [0]: montonic decrease yields 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0, dependencies: 1-n-n216+x > 0 -1+n >= 0 1-n216+x > 0 [1]: eventual decrease yields (1-n216+x > 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0) 1-n216+x > 0 [2]: eventual increase yields (n+n216 <= 0 /\ 1-n216+x > 0) -1+n >= 0 [0]: monotonic increase yields -1+n >= 0 y > 0 [0]: monotonic increase yields y > 0 Replacement map: {1-n-n216+x > 0 -> 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0, -1+n216 >= 0 -> -1+n216 >= 0, 1-n216+x > 0 -> (1-n216+x > 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0), -1+n >= 0 -> -1+n >= 0, y > 0 -> y > 0} Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {32[T]}] Step with 3 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {16[T], 32[T]}, {}] Step with 20 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {16[T], 32[T]}, {}, {}] Step with 21 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {16[T], 32[T]}, {}, {}, {}] Covered Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {16[T], 32[T]}, {}, {21[T]}] Backtrack Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {16[T], 32[T]}, {20[T]}] Step with 7 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {16[T], 32[T]}, {20[T]}, {}] Step with 24 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {16[T], 32[T]}, {20[T]}, {}, {}] Step with 13 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {16[T], 32[T]}, {20[T]}, {}, {}, {}] Step with 21 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {16[T], 32[T]}, {20[T]}, {}, {}, {}, {}] Covered Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {16[T], 32[T]}, {20[T]}, {}, {}, {21[T]}] Backtrack Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {16[T], 32[T]}, {20[T]}, {}, {13[T]}] Backtrack Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {16[T], 32[T]}, {20[T]}, {24[T]}] Backtrack Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {16[T], 32[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[y > 0], 16[T], 32[T]}] Step with 25 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 32[T]}, {25[T]}] Covered Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 32[T]}] Step with 31 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 32[T]}, {31[T]}] Covered Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 31[T], 32[T]}] Step with 26 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T]}] Covered Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}] Step with 30 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {30[T]}] Covered Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}] Step with 29 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {29[T]}] Covered Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}] Step with 27 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T]}] Covered Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}] Step with 28 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {28[T]}] Acceleration Failed marked recursive suffix as redundant Step with 16 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {28[T], 32[T]}, {}] Backtrack Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}] Step with 3 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {}] Step with 7 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {}, {}] Step with 24 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {}, {}, {}] Step with 13 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {}, {}, {}, {}] Step with 21 Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {}, {}, {}, {}, {}] Covered Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {}, {}, {}, {21[T]}] Backtrack Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {}, {}, {13[T]}] Backtrack Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {}, {24[T]}] Backtrack Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {7[T]}] Backtrack Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {3[y > 0], 16[T], 28[T], 32[T]}] Backtrack Trace 18[T], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T]}, {3[T], 16[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T], 32[T]}] Backtrack Trace 18[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}] Step with 26 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T]}] Step with 30 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T]}, {30[T]}] Covered Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 30[T]}] Step with 29 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 30[T]}, {29[T]}] Covered Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 29[T], 30[T]}] Step with 27 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 29[T], 30[T]}, {27[T]}] Covered Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 29[T], 30[T]}] Step with 28 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 29[T], 30[T]}, {28[T]}] Step with 16 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 29[T], 30[T]}, {28[T], 32[T]}, {}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}] Step with 3 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {}] Step with 7 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {}, {}] Step with 24 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {}, {}, {}] Step with 13 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {}, {}, {}, {}] Step with 21 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {}, {}, {}, {}, {}] Covered Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {}, {}, {}, {21[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {}, {}, {13[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {}, {24[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {7[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 29[T], 30[T]}, {3[y > 0], 16[T], 28[T], 32[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}] Step with 3 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {}] Step with 7 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {}, {}] Step with 24 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {}, {}, {}] Step with 13 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {}, {}, {}, {}] Step with 21 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {}, {}, {}, {}, {}] Covered Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {}, {}, {}, {21[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {}, {}, {13[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {}, {24[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {7[T]}] Step with 20 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {7[T]}, {}] Step with 21 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {7[T]}, {}, {}] Covered Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {7[T]}, {21[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {26[T], 27[T], 28[T], 29[T], 30[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {3[y > 0], 26[T], 27[T], 28[T], 29[T], 30[T]}] Step with 25 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {3[T], 26[T], 27[T], 28[T], 29[T], 30[T]}, {25[T]}] Covered Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T]}] Step with 31 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T]}, {31[T]}] Covered Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}] Step with 32 Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {32[T]}] Covered Trace 18[T], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T], 32[T]}] Backtrack Trace 18[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}] Step with 30 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {30[T]}] Step with 29 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {30[T]}, {29[T]}] Covered Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {29[T], 30[T]}] Step with 27 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {29[T], 30[T]}, {27[T]}] Covered Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 29[T], 30[T]}] Step with 28 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 29[T], 30[T]}, {28[T]}] Acceleration Failed marked recursive suffix as redundant Step with 16 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 29[T], 30[T]}, {28[T], 32[T]}, {}] Backtrack Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}] Step with 3 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {}] Step with 7 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}] Step with 24 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {}] Step with 13 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {}, {}] Step with 21 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {}, {}, {}] Covered Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {}, {21[T]}] Backtrack Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {13[T]}] Backtrack Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {24[T]}] Backtrack Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 29[T], 30[T]}, {16[T], 28[T], 32[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 29[T], 30[T]}, {3[y > 0], 16[T], 28[T], 32[T]}] Backtrack Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 28[T], 29[T], 30[T]}] Step with 3 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 28[T], 29[T], 30[T]}, {}] Step with 7 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 28[T], 29[T], 30[T]}, {}, {}] Step with 24 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 28[T], 29[T], 30[T]}, {}, {}, {}] Step with 13 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 28[T], 29[T], 30[T]}, {}, {}, {}, {}] Step with 21 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 28[T], 29[T], 30[T]}, {}, {}, {}, {}, {}] Covered Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 28[T], 29[T], 30[T]}, {}, {}, {}, {21[T]}] Backtrack Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 28[T], 29[T], 30[T]}, {}, {}, {13[T]}] Backtrack Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 28[T], 29[T], 30[T]}, {}, {24[T]}] Backtrack Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 28[T], 29[T], 30[T]}, {7[T]}] Step with 20 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 28[T], 29[T], 30[T]}, {7[T]}, {}] Step with 21 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 20[(x > 0)], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 28[T], 29[T], 30[T]}, {7[T]}, {}, {}] Covered Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 28[T], 29[T], 30[T]}, {7[T]}, {21[T]}] Backtrack Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {27[T], 28[T], 29[T], 30[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {3[y > 0], 27[T], 28[T], 29[T], 30[T]}] Step with 25 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {3[T], 27[T], 28[T], 29[T], 30[T]}, {25[T]}] Covered Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {3[T], 25[T], 27[T], 28[T], 29[T], 30[T]}] Step with 31 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {3[T], 25[T], 27[T], 28[T], 29[T], 30[T]}, {31[T]}] Covered Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {3[T], 25[T], 27[T], 28[T], 29[T], 30[T], 31[T]}] Step with 26 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {3[T], 25[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {26[T]}] Covered Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}] Step with 32 Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {32[T]}] Covered Trace 18[T], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T], 32[T]}] Backtrack Trace 18[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}] Step with 29 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {29[T]}] Step with 27 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {29[T]}, {27[T]}] Covered Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 29[T]}] Step with 28 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 29[T]}, {28[T]}] Step with 16 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 29[T]}, {28[T], 32[T]}, {}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 29[T]}, {16[T], 28[T], 32[T]}] Step with 3 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 29[T]}, {16[T], 28[T], 32[T]}, {}] Step with 7 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 29[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}] Step with 24 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 29[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {}] Step with 13 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 29[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {}, {}] Step with 21 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 29[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {}, {}, {}] Covered Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 29[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {}, {21[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 29[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {13[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 29[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {24[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 29[T]}, {16[T], 28[T], 32[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 29[T]}, {3[y > 0], 16[T], 28[T], 32[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 28[T], 29[T]}] Step with 3 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 28[T], 29[T]}, {}] Step with 7 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 28[T], 29[T]}, {}, {}] Step with 24 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 28[T], 29[T]}, {}, {}, {}] Step with 13 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 28[T], 29[T]}, {}, {}, {}, {}] Step with 21 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 28[T], 29[T]}, {}, {}, {}, {}, {}] Covered Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 28[T], 29[T]}, {}, {}, {}, {21[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 28[T], 29[T]}, {}, {}, {13[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 28[T], 29[T]}, {}, {24[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 28[T], 29[T]}, {7[T]}] Step with 20 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 28[T], 29[T]}, {7[T]}, {}] Step with 21 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 28[T], 29[T]}, {7[T]}, {}, {}] Covered Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 28[T], 29[T]}, {7[T]}, {21[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {27[T], 28[T], 29[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {3[y > 0], 27[T], 28[T], 29[T]}] Step with 25 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {3[T], 27[T], 28[T], 29[T]}, {25[T]}] Covered Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 27[T], 28[T], 29[T]}] Step with 31 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 27[T], 28[T], 29[T]}, {31[T]}] Covered Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 27[T], 28[T], 29[T], 31[T]}] Step with 26 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 27[T], 28[T], 29[T], 31[T]}, {26[T]}] Covered Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 31[T]}] Step with 30 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 31[T]}, {30[T]}] Covered Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}] Step with 32 Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {32[T]}] Covered Trace 18[T], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T], 32[T]}] Backtrack Trace 18[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}] Step with 27 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T]}] Step with 28 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T]}, {28[T]}] Step with 16 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T]}, {28[T], 32[T]}, {}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T]}, {16[T], 28[T], 32[T]}] Step with 3 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T]}, {16[T], 28[T], 32[T]}, {}] Step with 7 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}] Step with 24 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {}] Step with 13 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {}, {}] Step with 21 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {}, {}, {}] Covered Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {}, {21[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {13[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {24[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T]}, {16[T], 28[T], 32[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T]}, {3[y > 0], 16[T], 28[T], 32[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T], 28[T]}] Step with 3 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T], 28[T]}, {}] Step with 7 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T], 28[T]}, {}, {}] Step with 24 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T], 28[T]}, {}, {}, {}] Step with 13 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T], 28[T]}, {}, {}, {}, {}] Step with 21 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T], 28[T]}, {}, {}, {}, {}, {}] Covered Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T], 28[T]}, {}, {}, {}, {21[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T], 28[T]}, {}, {}, {13[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T], 28[T]}, {}, {24[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T], 28[T]}, {7[T]}] Step with 20 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T], 28[T]}, {7[T]}, {}] Step with 21 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T], 28[T]}, {7[T]}, {}, {}] Covered Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)], 20[(x > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T], 28[T]}, {7[T]}, {21[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {27[T], 28[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {3[y > 0], 27[T], 28[T]}] Step with 25 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 25[(1-n+x > 0 /\ -1+n >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {3[T], 27[T], 28[T]}, {25[T]}] Covered Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 27[T], 28[T]}] Step with 31 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 31[(-1+n29 >= 0 /\ -1+n18 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-n151*n35*(-1+n18)*n16-n271+x > 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n151 >= 0 /\ -1+n35 >= 0 /\ 1-n151*(-1+n18)*n271-n151*n35*(-1+n18)*n29-n151*n35*n16-n-(-1+n18)*n-n151*n35*(-1+n18)*n16-n151*n271-n151*n35*n29+x > 0 /\ -1+n16 >= 0 /\ 1-(-1+n151)*n271-n35*(-1+n151)*n16-n151*(-1+n18)*n271-(-1+n35)*n29-n151*n35*(-1+n18)*n29-n35*(-1+n151)*n29-(-1+n18)*n-(-1+n35)*n16-n151*n35*(-1+n18)*n16-n16-n271+x > 0 /\ -1+n271 >= 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 27[T], 28[T]}, {31[T]}] Covered Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 27[T], 28[T], 31[T]}] Step with 26 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 26[(-1+n2 >= 0 /\ 1-n2+x > 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 27[T], 28[T], 31[T]}, {26[T]}] Covered Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 31[T]}] Step with 30 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 30[(-1+n15 >= 0 /\ -1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ 1-n2*(-1+n3)-(-1+n15)*n27-n1*(-1+n3)-(-1+n15)*n1*n3-n2-n1-(-1+n15)*n2*n3+x-n27 > 0 /\ -1+n3 >= 0 /\ y > 0 /\ -1+n27 >= 0 /\ 1-(-1+n15)*n27-(-1+n15)*n1*n3-(-1+n15)*n2*n3+x-n27 > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 31[T]}, {30[T]}] Covered Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 30[T], 31[T]}] Step with 29 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 29[(-1+n11 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n31 >= 0 /\ 1-n22*n31*(-1+n6)-n-n11*n31-n*(-1+n6)-n11*n31*(-1+n6)-n22*n31+x > 0 /\ -1+n6 >= 0 /\ 1-n11*(-1+n31)-n11-n22*n31*(-1+n6)-n22*(-1+n31)-n22-n*(-1+n6)-n11*n31*(-1+n6)+x > 0 /\ -1+n >= 0 /\ -1+n22 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 30[T], 31[T]}, {29[T]}] Covered Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}] Step with 32 Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)], 32[(-1+n216 >= 0 /\ 1-n-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ 1-n216+x > 0 /\ -1+n50 >= 0 /\ 1-n*(-1+n50)-n216-n216*(-1+n50)+x > 0 /\ -1+n >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T]}, {32[T]}] Covered Trace 18[T], 27[(-1+n1 >= 0 /\ -1+n2 >= 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n2-n1+x > 0 /\ 1-n2*(-1+n3)-n1*(-1+n3)-n1+x > 0 /\ -1+n3 >= 0 /\ y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 29[T], 30[T], 31[T], 32[T]}, {3[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T], 32[T]}] Backtrack Trace 18[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}] Step with 28 Trace 18[T], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {28[T]}] Step with 16 Trace 18[T], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 16[(y <= 0 /\ x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {28[T], 32[T]}, {}] Backtrack Trace 18[T], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}] Step with 3 Trace 18[T], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {}] Step with 7 Trace 18[T], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}] Step with 24 Trace 18[T], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {}] Step with 13 Trace 18[T], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {}, {}] Step with 21 Trace 18[T], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T], 21[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {}, {}, {}] Covered Trace 18[T], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)], 13[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {}, {21[T]}] Backtrack Trace 18[T], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)], 24[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {}, {13[T]}] Backtrack Trace 18[T], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)], 7[(x <= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {20[T]}, {24[T]}] Backtrack Trace 18[T], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)], 3[(y > 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {16[T], 28[T], 32[T]}, {7[T], 20[T]}] Backtrack Trace 18[T], 28[(-1+n4 >= 0 /\ 1-n4+y > 0 /\ -x >= 0)] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 27[T], 29[T], 30[T], 31[T], 32[T]}, {3[y > 0], 16[T], 28[T], 32[T]}] Backtrack Trace 18[T] Blocked [{}, {3[T], 16[T], 25[T], 26[T], 27[T], 28[T], 29[T], 30[T], 31[T], 32[T]}] Backtrack Trace Blocked [{18[T]}] Accept unknown Build SHA: a05f16bf13df659c382799650051f91bf6828c7b