0.05/0.15 WORST_CASE(?,O(n^2)) 0.05/0.15 0.05/0.15 Preprocessing Cost Relations 0.05/0.15 ===================================== 0.05/0.15 0.05/0.15 #### Computed strongly connected components 0.05/0.15 0. recursive : [eval_while2_bb2_in/3,eval_while2_bb3_in/3] 0.05/0.15 1. recursive : [eval_while2_bb1_in/3,eval_while2_bb2_in_loop_cont/5,eval_while2_bb4_in/4] 0.05/0.15 2. non_recursive : [eval_while2_stop/1] 0.05/0.15 3. non_recursive : [eval_while2_bb5_in/1] 0.05/0.15 4. non_recursive : [eval_while2_bb1_in_loop_cont/2] 0.05/0.15 5. non_recursive : [eval_while2_bb0_in/2] 0.05/0.15 6. non_recursive : [eval_while2_start/2] 0.05/0.15 0.05/0.15 #### Obtained direct recursion through partial evaluation 0.05/0.15 0. SCC is partially evaluated into eval_while2_bb2_in/3 0.05/0.15 1. SCC is partially evaluated into eval_while2_bb1_in/3 0.05/0.15 2. SCC is completely evaluated into other SCCs 0.05/0.15 3. SCC is completely evaluated into other SCCs 0.05/0.15 4. SCC is completely evaluated into other SCCs 0.05/0.15 5. SCC is partially evaluated into eval_while2_bb0_in/2 0.05/0.15 6. SCC is partially evaluated into eval_while2_start/2 0.05/0.15 0.05/0.15 Control-Flow Refinement of Cost Relations 0.05/0.15 ===================================== 0.05/0.15 0.05/0.15 ### Specialization of cost equations eval_while2_bb2_in/3 0.05/0.15 * CE 6 is refined into CE [7] 0.05/0.15 * CE 5 is refined into CE [8] 0.05/0.15 0.05/0.15 0.05/0.15 ### Cost equations --> "Loop" of eval_while2_bb2_in/3 0.05/0.15 * CEs [8] --> Loop 7 0.05/0.15 * CEs [7] --> Loop 8 0.05/0.15 0.05/0.15 ### Ranking functions of CR eval_while2_bb2_in(V_j_0,B,C) 0.05/0.15 * RF of phase [7]: [V_j_0] 0.05/0.15 0.05/0.15 #### Partial ranking functions of CR eval_while2_bb2_in(V_j_0,B,C) 0.05/0.15 * Partial RF of phase [7]: 0.05/0.15 - RF of loop [7:1]: 0.05/0.15 V_j_0 0.05/0.15 0.05/0.15 0.05/0.15 ### Specialization of cost equations eval_while2_bb1_in/3 0.05/0.15 * CE 4 is refined into CE [9] 0.05/0.15 * CE 3 is refined into CE [10] 0.05/0.15 0.05/0.15 0.05/0.15 ### Cost equations --> "Loop" of eval_while2_bb1_in/3 0.05/0.15 * CEs [10] --> Loop 9 0.05/0.15 * CEs [9] --> Loop 10 0.05/0.15 0.05/0.15 ### Ranking functions of CR eval_while2_bb1_in(V_N,V_i_0,B) 0.05/0.15 * RF of phase [9]: [V_i_0] 0.05/0.15 0.05/0.15 #### Partial ranking functions of CR eval_while2_bb1_in(V_N,V_i_0,B) 0.05/0.15 * Partial RF of phase [9]: 0.05/0.15 - RF of loop [9:1]: 0.05/0.15 V_i_0 0.05/0.15 0.05/0.15 0.05/0.15 ### Specialization of cost equations eval_while2_bb0_in/2 0.05/0.15 * CE 2 is refined into CE [11,12] 0.05/0.15 0.05/0.15 0.05/0.15 ### Cost equations --> "Loop" of eval_while2_bb0_in/2 0.05/0.15 * CEs [12] --> Loop 11 0.05/0.15 * CEs [11] --> Loop 12 0.05/0.15 0.05/0.15 ### Ranking functions of CR eval_while2_bb0_in(V_N,B) 0.05/0.15 0.05/0.15 #### Partial ranking functions of CR eval_while2_bb0_in(V_N,B) 0.05/0.15 0.05/0.15 0.05/0.15 ### Specialization of cost equations eval_while2_start/2 0.05/0.15 * CE 1 is refined into CE [13,14] 0.05/0.15 0.05/0.15 0.05/0.15 ### Cost equations --> "Loop" of eval_while2_start/2 0.05/0.15 * CEs [14] --> Loop 13 0.05/0.15 * CEs [13] --> Loop 14 0.05/0.15 0.05/0.15 ### Ranking functions of CR eval_while2_start(V_N,B) 0.05/0.15 0.05/0.15 #### Partial ranking functions of CR eval_while2_start(V_N,B) 0.05/0.15 0.05/0.15 0.05/0.15 Computing Bounds 0.05/0.15 ===================================== 0.05/0.15 0.05/0.15 #### Cost of chains of eval_while2_bb2_in(V_j_0,B,C): 0.05/0.15 * Chain [[7],8]: 1*it(7)+0 0.05/0.15 Such that:it(7) =< V_j_0 0.05/0.15 0.05/0.15 with precondition: [B=2,C=0,V_j_0>=1] 0.05/0.15 0.05/0.15 0.05/0.15 #### Cost of chains of eval_while2_bb1_in(V_N,V_i_0,B): 0.05/0.15 * Chain [[9],10]: 1*it(9)+1*s(3)+0 0.05/0.15 Such that:aux(1) =< V_N 0.05/0.15 it(9) =< V_i_0 0.05/0.15 s(3) =< it(9)*aux(1) 0.05/0.15 0.05/0.15 with precondition: [B=3,V_i_0>=1,V_N>=V_i_0] 0.05/0.15 0.05/0.15 * Chain [10]: 0 0.05/0.15 with precondition: [B=3,0>=V_i_0,V_N>=V_i_0] 0.05/0.15 0.05/0.15 0.05/0.15 #### Cost of chains of eval_while2_bb0_in(V_N,B): 0.05/0.15 * Chain [12]: 0 0.05/0.15 with precondition: [0>=V_N] 0.05/0.15 0.05/0.15 * Chain [11]: 1*s(5)+1*s(6)+0 0.05/0.15 Such that:aux(2) =< V_N 0.05/0.15 s(5) =< aux(2) 0.05/0.15 s(6) =< s(5)*aux(2) 0.05/0.15 0.05/0.15 with precondition: [V_N>=1] 0.05/0.15 0.05/0.15 0.05/0.15 #### Cost of chains of eval_while2_start(V_N,B): 0.05/0.15 * Chain [14]: 0 0.05/0.15 with precondition: [0>=V_N] 0.05/0.15 0.05/0.15 * Chain [13]: 1*s(8)+1*s(9)+0 0.05/0.15 Such that:s(7) =< V_N 0.05/0.15 s(8) =< s(7) 0.05/0.15 s(9) =< s(8)*s(7) 0.05/0.15 0.05/0.15 with precondition: [V_N>=1] 0.05/0.15 0.05/0.15 0.05/0.15 Closed-form bounds of eval_while2_start(V_N,B): 0.05/0.15 ------------------------------------- 0.05/0.15 * Chain [14] with precondition: [0>=V_N] 0.05/0.15 - Upper bound: 0 0.05/0.15 - Complexity: constant 0.05/0.15 * Chain [13] with precondition: [V_N>=1] 0.05/0.15 - Upper bound: V_N*V_N+V_N 0.05/0.15 - Complexity: n^2 0.05/0.15 0.05/0.15 ### Maximum cost of eval_while2_start(V_N,B): nat(V_N)*nat(V_N)+nat(V_N) 0.05/0.15 Asymptotic class: n^2 0.05/0.15 * Total analysis performed in 78 ms. 0.05/0.15 0.05/0.25 EOF