/export/starexec/sandbox/solver/bin/starexec_run_its /export/starexec/sandbox/benchmark/theBenchmark.koat /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- WORST_CASE(?,O(n^1)) Preprocessing Cost Relations ===================================== #### Computed strongly connected components 0. recursive : [f/4] 1. non_recursive : [exit_location/1] 2. non_recursive : [f_loop_cont/2] 3. non_recursive : [start/4] #### Obtained direct recursion through partial evaluation 0. SCC is partially evaluated into f/4 1. SCC is completely evaluated into other SCCs 2. SCC is completely evaluated into other SCCs 3. SCC is partially evaluated into start/4 Control-Flow Refinement of Cost Relations ===================================== ### Specialization of cost equations f/4 * CE 4 is refined into CE [5] * CE 3 is refined into CE [6] * CE 2 is refined into CE [7] ### Cost equations --> "Loop" of f/4 * CEs [6] --> Loop 5 * CEs [7] --> Loop 6 * CEs [5] --> Loop 7 ### Ranking functions of CR f(A,B,C,D) * RF of phase [5,6]: [2*A-B-C-1] #### Partial ranking functions of CR f(A,B,C,D) * Partial RF of phase [5,6]: - RF of loop [5:1]: A-C - RF of loop [6:1]: A-B ### Specialization of cost equations start/4 * CE 1 is refined into CE [8,9] ### Cost equations --> "Loop" of start/4 * CEs [9] --> Loop 8 * CEs [8] --> Loop 9 ### Ranking functions of CR start(A,B,C,D) #### Partial ranking functions of CR start(A,B,C,D) Computing Bounds ===================================== #### Cost of chains of f(A,B,C,D): * Chain [[5,6],7]: 1*it(5)+1*it(6)+0 Such that:it(6) =< A-B it(5) =< A-C aux(3) =< 2*A-B-C it(5) =< aux(3) it(6) =< aux(3) with precondition: [D=2,A>=B+1,A>=C+1] * Chain [7]: 0 with precondition: [D=2] #### Cost of chains of start(A,B,C,D): * Chain [9]: 0 with precondition: [] * Chain [8]: 1*s(1)+1*s(2)+0 Such that:s(1) =< A-B s(2) =< A-C s(3) =< 2*A-B-C s(2) =< s(3) s(1) =< s(3) with precondition: [A>=B+1,A>=C+1] Closed-form bounds of start(A,B,C,D): ------------------------------------- * Chain [9] with precondition: [] - Upper bound: 0 - Complexity: constant * Chain [8] with precondition: [A>=B+1,A>=C+1] - Upper bound: 2*A-B-C - Complexity: n ### Maximum cost of start(A,B,C,D): nat(A-C)+nat(A-B) Asymptotic class: n * Total analysis performed in 64 ms.