0.00/0.67 MAYBE 0.00/0.67 0.00/0.67 DP problem for innermost termination. 0.00/0.67 P = 0.00/0.67 init#(x1, x2) -> f1#(rnd1, rnd2) 0.00/0.67 f3#(I0, I1) -> f3#(I0 + 1, I2) [-5 <= I0 - 1 /\ I0 <= -1] 0.00/0.67 f3#(I3, I4) -> f3#(I3 + 1, I5) [I3 <= -5 - 1 /\ I3 <= -1] 0.00/0.67 f3#(I6, I7) -> f3#(-5, I8) [-5 = I6] 0.00/0.67 f2#(I9, I10) -> f3#(I11, I12) [-1 <= y1 - 1 /\ 1 <= I10 - 1 /\ y2 - 2 * y3 = 0 /\ -1 <= y2 - 1 /\ 0 <= I9 - 1 /\ y2 - 2 * y3 <= 1 /\ 0 <= y2 - 2 * y3 /\ 0 - y1 = I11] 0.00/0.67 f1#(I13, I14) -> f2#(I13, I14) [-1 <= I15 - 1 /\ 1 <= I14 - 1 /\ I16 - 2 * I17 = 0 /\ -1 <= I16 - 1 /\ 0 <= I13 - 1] 0.00/0.67 R = 0.00/0.67 init(x1, x2) -> f1(rnd1, rnd2) 0.00/0.67 f3(I0, I1) -> f3(I0 + 1, I2) [-5 <= I0 - 1 /\ I0 <= -1] 0.00/0.67 f3(I3, I4) -> f3(I3 + 1, I5) [I3 <= -5 - 1 /\ I3 <= -1] 0.00/0.67 f3(I6, I7) -> f3(-5, I8) [-5 = I6] 0.00/0.67 f2(I9, I10) -> f3(I11, I12) [-1 <= y1 - 1 /\ 1 <= I10 - 1 /\ y2 - 2 * y3 = 0 /\ -1 <= y2 - 1 /\ 0 <= I9 - 1 /\ y2 - 2 * y3 <= 1 /\ 0 <= y2 - 2 * y3 /\ 0 - y1 = I11] 0.00/0.67 f1(I13, I14) -> f2(I13, I14) [-1 <= I15 - 1 /\ 1 <= I14 - 1 /\ I16 - 2 * I17 = 0 /\ -1 <= I16 - 1 /\ 0 <= I13 - 1] 0.00/0.67 0.00/0.67 The dependency graph for this problem is: 0.00/0.67 0 -> 5 0.00/0.67 1 -> 1 0.00/0.67 2 -> 2, 3 0.00/0.67 3 -> 3 0.00/0.67 4 -> 1, 2, 3 0.00/0.67 5 -> 4 0.00/0.67 Where: 0.00/0.67 0) init#(x1, x2) -> f1#(rnd1, rnd2) 0.00/0.67 1) f3#(I0, I1) -> f3#(I0 + 1, I2) [-5 <= I0 - 1 /\ I0 <= -1] 0.00/0.67 2) f3#(I3, I4) -> f3#(I3 + 1, I5) [I3 <= -5 - 1 /\ I3 <= -1] 0.00/0.67 3) f3#(I6, I7) -> f3#(-5, I8) [-5 = I6] 0.00/0.67 4) f2#(I9, I10) -> f3#(I11, I12) [-1 <= y1 - 1 /\ 1 <= I10 - 1 /\ y2 - 2 * y3 = 0 /\ -1 <= y2 - 1 /\ 0 <= I9 - 1 /\ y2 - 2 * y3 <= 1 /\ 0 <= y2 - 2 * y3 /\ 0 - y1 = I11] 0.00/0.67 5) f1#(I13, I14) -> f2#(I13, I14) [-1 <= I15 - 1 /\ 1 <= I14 - 1 /\ I16 - 2 * I17 = 0 /\ -1 <= I16 - 1 /\ 0 <= I13 - 1] 0.00/0.67 0.00/0.67 We have the following SCCs. 0.00/0.67 { 2 } 0.00/0.67 { 3 } 0.00/0.67 { 1 } 0.00/0.67 0.00/0.67 DP problem for innermost termination. 0.00/0.67 P = 0.00/0.67 f3#(I0, I1) -> f3#(I0 + 1, I2) [-5 <= I0 - 1 /\ I0 <= -1] 0.00/0.67 R = 0.00/0.67 init(x1, x2) -> f1(rnd1, rnd2) 0.00/0.67 f3(I0, I1) -> f3(I0 + 1, I2) [-5 <= I0 - 1 /\ I0 <= -1] 0.00/0.67 f3(I3, I4) -> f3(I3 + 1, I5) [I3 <= -5 - 1 /\ I3 <= -1] 0.00/0.67 f3(I6, I7) -> f3(-5, I8) [-5 = I6] 0.00/0.67 f2(I9, I10) -> f3(I11, I12) [-1 <= y1 - 1 /\ 1 <= I10 - 1 /\ y2 - 2 * y3 = 0 /\ -1 <= y2 - 1 /\ 0 <= I9 - 1 /\ y2 - 2 * y3 <= 1 /\ 0 <= y2 - 2 * y3 /\ 0 - y1 = I11] 0.00/0.67 f1(I13, I14) -> f2(I13, I14) [-1 <= I15 - 1 /\ 1 <= I14 - 1 /\ I16 - 2 * I17 = 0 /\ -1 <= I16 - 1 /\ 0 <= I13 - 1] 0.00/0.67 0.00/0.67 We use the reverse value criterion with the projection function NU: 0.00/0.67 NU[f3#(z1,z2)] = -1 + -1 * z1 0.00/0.67 0.00/0.67 This gives the following inequalities: 0.00/0.67 -5 <= I0 - 1 /\ I0 <= -1 ==> -1 + -1 * I0 > -1 + -1 * (I0 + 1) with -1 + -1 * I0 >= 0 0.00/0.67 0.00/0.67 All dependency pairs are strictly oriented, so the entire dependency pair problem may be removed. 0.00/0.67 0.00/0.67 DP problem for innermost termination. 0.00/0.67 P = 0.00/0.67 f3#(I6, I7) -> f3#(-5, I8) [-5 = I6] 0.00/0.67 R = 0.00/0.67 init(x1, x2) -> f1(rnd1, rnd2) 0.00/0.67 f3(I0, I1) -> f3(I0 + 1, I2) [-5 <= I0 - 1 /\ I0 <= -1] 0.00/0.67 f3(I3, I4) -> f3(I3 + 1, I5) [I3 <= -5 - 1 /\ I3 <= -1] 0.00/0.67 f3(I6, I7) -> f3(-5, I8) [-5 = I6] 0.00/0.67 f2(I9, I10) -> f3(I11, I12) [-1 <= y1 - 1 /\ 1 <= I10 - 1 /\ y2 - 2 * y3 = 0 /\ -1 <= y2 - 1 /\ 0 <= I9 - 1 /\ y2 - 2 * y3 <= 1 /\ 0 <= y2 - 2 * y3 /\ 0 - y1 = I11] 0.00/0.67 f1(I13, I14) -> f2(I13, I14) [-1 <= I15 - 1 /\ 1 <= I14 - 1 /\ I16 - 2 * I17 = 0 /\ -1 <= I16 - 1 /\ 0 <= I13 - 1] 0.00/0.67 0.00/3.65 EOF