0.61/0.66 YES 0.61/0.66 0.61/0.66 DP problem for innermost termination. 0.61/0.66 P = 0.61/0.66 init#(x1, x2, x3, x4) -> f1#(rnd1, rnd2, rnd3, rnd4) 0.61/0.66 f2#(I0, I1, I2, I3) -> f2#(I4, I5, I2, I3 + 1) [I3 + 2 <= I1 /\ I2 + 2 <= I0 /\ 0 <= I5 - 1 /\ 0 <= I4 - 1 /\ 0 <= I1 - 1 /\ 0 <= I0 - 1 /\ I5 - 1 <= I1 /\ I4 <= I0 /\ I3 <= I2 - 1 /\ -1 <= I3 - 1] 0.61/0.66 f1#(I6, I7, I8, I9) -> f2#(I10, I11, I12, I13) [0 <= I11 - 1 /\ 0 <= I10 - 1 /\ 0 <= I6 - 1 /\ -1 <= I13 - 1 /\ -1 <= I7 - 1 /\ -1 <= I12 - 1] 0.61/0.66 R = 0.61/0.66 init(x1, x2, x3, x4) -> f1(rnd1, rnd2, rnd3, rnd4) 0.61/0.66 f2(I0, I1, I2, I3) -> f2(I4, I5, I2, I3 + 1) [I3 + 2 <= I1 /\ I2 + 2 <= I0 /\ 0 <= I5 - 1 /\ 0 <= I4 - 1 /\ 0 <= I1 - 1 /\ 0 <= I0 - 1 /\ I5 - 1 <= I1 /\ I4 <= I0 /\ I3 <= I2 - 1 /\ -1 <= I3 - 1] 0.61/0.66 f1(I6, I7, I8, I9) -> f2(I10, I11, I12, I13) [0 <= I11 - 1 /\ 0 <= I10 - 1 /\ 0 <= I6 - 1 /\ -1 <= I13 - 1 /\ -1 <= I7 - 1 /\ -1 <= I12 - 1] 0.61/0.66 0.61/0.66 The dependency graph for this problem is: 0.61/0.66 0 -> 2 0.61/0.66 1 -> 1 0.61/0.66 2 -> 1 0.61/0.66 Where: 0.61/0.66 0) init#(x1, x2, x3, x4) -> f1#(rnd1, rnd2, rnd3, rnd4) 0.61/0.66 1) f2#(I0, I1, I2, I3) -> f2#(I4, I5, I2, I3 + 1) [I3 + 2 <= I1 /\ I2 + 2 <= I0 /\ 0 <= I5 - 1 /\ 0 <= I4 - 1 /\ 0 <= I1 - 1 /\ 0 <= I0 - 1 /\ I5 - 1 <= I1 /\ I4 <= I0 /\ I3 <= I2 - 1 /\ -1 <= I3 - 1] 0.61/0.66 2) f1#(I6, I7, I8, I9) -> f2#(I10, I11, I12, I13) [0 <= I11 - 1 /\ 0 <= I10 - 1 /\ 0 <= I6 - 1 /\ -1 <= I13 - 1 /\ -1 <= I7 - 1 /\ -1 <= I12 - 1] 0.61/0.66 0.61/0.66 We have the following SCCs. 0.61/0.66 { 1 } 0.61/0.66 0.61/0.66 DP problem for innermost termination. 0.61/0.66 P = 0.61/0.66 f2#(I0, I1, I2, I3) -> f2#(I4, I5, I2, I3 + 1) [I3 + 2 <= I1 /\ I2 + 2 <= I0 /\ 0 <= I5 - 1 /\ 0 <= I4 - 1 /\ 0 <= I1 - 1 /\ 0 <= I0 - 1 /\ I5 - 1 <= I1 /\ I4 <= I0 /\ I3 <= I2 - 1 /\ -1 <= I3 - 1] 0.61/0.66 R = 0.61/0.66 init(x1, x2, x3, x4) -> f1(rnd1, rnd2, rnd3, rnd4) 0.61/0.66 f2(I0, I1, I2, I3) -> f2(I4, I5, I2, I3 + 1) [I3 + 2 <= I1 /\ I2 + 2 <= I0 /\ 0 <= I5 - 1 /\ 0 <= I4 - 1 /\ 0 <= I1 - 1 /\ 0 <= I0 - 1 /\ I5 - 1 <= I1 /\ I4 <= I0 /\ I3 <= I2 - 1 /\ -1 <= I3 - 1] 0.61/0.66 f1(I6, I7, I8, I9) -> f2(I10, I11, I12, I13) [0 <= I11 - 1 /\ 0 <= I10 - 1 /\ 0 <= I6 - 1 /\ -1 <= I13 - 1 /\ -1 <= I7 - 1 /\ -1 <= I12 - 1] 0.61/0.66 0.61/0.66 We use the reverse value criterion with the projection function NU: 0.61/0.66 NU[f2#(z1,z2,z3,z4)] = z3 - 1 + -1 * z4 0.61/0.66 0.61/0.66 This gives the following inequalities: 0.61/0.66 I3 + 2 <= I1 /\ I2 + 2 <= I0 /\ 0 <= I5 - 1 /\ 0 <= I4 - 1 /\ 0 <= I1 - 1 /\ 0 <= I0 - 1 /\ I5 - 1 <= I1 /\ I4 <= I0 /\ I3 <= I2 - 1 /\ -1 <= I3 - 1 ==> I2 - 1 + -1 * I3 > I2 - 1 + -1 * (I3 + 1) with I2 - 1 + -1 * I3 >= 0 0.61/0.66 0.61/0.66 All dependency pairs are strictly oriented, so the entire dependency pair problem may be removed. 0.61/3.64 EOF