5.47/2.46 MAYBE 5.47/2.47 proof of /export/starexec/sandbox/benchmark/theBenchmark.koat 5.47/2.47 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 5.47/2.47 5.47/2.47 5.47/2.47 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(1, INF). 5.47/2.47 5.47/2.47 (0) CpxIntTrs 5.47/2.47 (1) Loat Proof [FINISHED, 421 ms] 5.47/2.47 (2) BOUNDS(1, INF) 5.47/2.47 5.47/2.47 5.47/2.47 ---------------------------------------- 5.47/2.47 5.47/2.47 (0) 5.47/2.47 Obligation: 5.47/2.47 Complexity Int TRS consisting of the following rules: 5.47/2.47 eval_start_start(v__0, v__01, v_x, v_y) -> Com_1(eval_start_bb0_in(v__0, v__01, v_x, v_y)) :|: TRUE 5.47/2.47 eval_start_bb0_in(v__0, v__01, v_x, v_y) -> Com_1(eval_start_0(v__0, v__01, v_x, v_y)) :|: TRUE 5.47/2.47 eval_start_0(v__0, v__01, v_x, v_y) -> Com_1(eval_start_1(v__0, v__01, v_x, v_y)) :|: TRUE 5.47/2.47 eval_start_1(v__0, v__01, v_x, v_y) -> Com_1(eval_start_2(v__0, v__01, v_x, v_y)) :|: TRUE 5.47/2.47 eval_start_2(v__0, v__01, v_x, v_y) -> Com_1(eval_start_3(v__0, v__01, v_x, v_y)) :|: TRUE 5.47/2.47 eval_start_3(v__0, v__01, v_x, v_y) -> Com_1(eval_start_4(v__0, v__01, v_x, v_y)) :|: TRUE 5.47/2.47 eval_start_4(v__0, v__01, v_x, v_y) -> Com_1(eval_start_5(v__0, v__01, v_x, v_y)) :|: TRUE 5.47/2.47 eval_start_5(v__0, v__01, v_x, v_y) -> Com_1(eval_start_6(v__0, v__01, v_x, v_y)) :|: TRUE 5.47/2.47 eval_start_6(v__0, v__01, v_x, v_y) -> Com_1(eval_start_7(v__0, v__01, v_x, v_y)) :|: TRUE 5.47/2.47 eval_start_7(v__0, v__01, v_x, v_y) -> Com_1(eval_start_bb1_in(v_x, v_y, v_x, v_y)) :|: TRUE 5.47/2.47 eval_start_bb1_in(v__0, v__01, v_x, v_y) -> Com_1(eval_start_bb2_in(v__0, v__01, v_x, v_y)) :|: v__0 > 0 5.47/2.47 eval_start_bb1_in(v__0, v__01, v_x, v_y) -> Com_1(eval_start_bb3_in(v__0, v__01, v_x, v_y)) :|: v__0 <= 0 5.47/2.47 eval_start_bb2_in(v__0, v__01, v_x, v_y) -> Com_1(eval_start_bb1_in(v__01, v__0 - 1, v_x, v_y)) :|: TRUE 5.47/2.47 eval_start_bb3_in(v__0, v__01, v_x, v_y) -> Com_1(eval_start_stop(v__0, v__01, v_x, v_y)) :|: TRUE 5.47/2.47 5.47/2.47 The start-symbols are:[eval_start_start_4] 5.47/2.47 5.47/2.47 5.47/2.47 ---------------------------------------- 5.47/2.47 5.47/2.47 (1) Loat Proof (FINISHED) 5.47/2.47 5.47/2.47 5.47/2.47 ### Pre-processing the ITS problem ### 5.47/2.47 5.47/2.47 5.47/2.47 5.47/2.47 Initial linear ITS problem 5.47/2.47 5.47/2.47 Start location: evalstartstart 5.47/2.47 5.47/2.47 0: evalstartstart -> evalstartbb0in : [], cost: 1 5.47/2.47 5.47/2.47 1: evalstartbb0in -> evalstart0 : [], cost: 1 5.47/2.47 5.47/2.47 2: evalstart0 -> evalstart1 : [], cost: 1 5.47/2.47 5.47/2.47 3: evalstart1 -> evalstart2 : [], cost: 1 5.47/2.47 5.47/2.47 4: evalstart2 -> evalstart3 : [], cost: 1 5.47/2.47 5.47/2.47 5: evalstart3 -> evalstart4 : [], cost: 1 5.47/2.47 5.47/2.47 6: evalstart4 -> evalstart5 : [], cost: 1 5.47/2.47 5.47/2.47 7: evalstart5 -> evalstart6 : [], cost: 1 5.47/2.47 5.47/2.47 8: evalstart6 -> evalstart7 : [], cost: 1 5.47/2.47 5.47/2.47 9: evalstart7 -> evalstartbb1in : A'=B, C'=D, [], cost: 1 5.47/2.47 5.47/2.47 10: evalstartbb1in -> evalstartbb2in : [ A>=1 ], cost: 1 5.47/2.47 5.47/2.47 11: evalstartbb1in -> evalstartbb3in : [ 0>=A ], cost: 1 5.47/2.47 5.47/2.47 12: evalstartbb2in -> evalstartbb1in : A'=C, C'=-1+A, [], cost: 1 5.47/2.47 5.47/2.47 13: evalstartbb3in -> evalstartstop : [], cost: 1 5.47/2.47 5.47/2.47 5.47/2.47 5.47/2.47 Removed unreachable and leaf rules: 5.47/2.47 5.47/2.47 Start location: evalstartstart 5.47/2.47 5.47/2.47 0: evalstartstart -> evalstartbb0in : [], cost: 1 5.47/2.47 5.47/2.47 1: evalstartbb0in -> evalstart0 : [], cost: 1 5.47/2.47 5.47/2.47 2: evalstart0 -> evalstart1 : [], cost: 1 5.47/2.47 5.47/2.47 3: evalstart1 -> evalstart2 : [], cost: 1 5.47/2.47 5.47/2.47 4: evalstart2 -> evalstart3 : [], cost: 1 5.47/2.47 5.47/2.47 5: evalstart3 -> evalstart4 : [], cost: 1 5.47/2.47 5.47/2.47 6: evalstart4 -> evalstart5 : [], cost: 1 5.47/2.47 5.47/2.47 7: evalstart5 -> evalstart6 : [], cost: 1 5.47/2.47 5.47/2.47 8: evalstart6 -> evalstart7 : [], cost: 1 5.47/2.47 5.47/2.47 9: evalstart7 -> evalstartbb1in : A'=B, C'=D, [], cost: 1 5.47/2.47 5.47/2.47 10: evalstartbb1in -> evalstartbb2in : [ A>=1 ], cost: 1 5.47/2.47 5.47/2.47 12: evalstartbb2in -> evalstartbb1in : A'=C, C'=-1+A, [], cost: 1 5.47/2.47 5.47/2.47 5.47/2.47 5.47/2.47 ### Simplification by acceleration and chaining ### 5.47/2.47 5.47/2.47 5.47/2.47 5.47/2.47 Eliminated locations (on linear paths): 5.47/2.47 5.47/2.47 Start location: evalstartstart 5.47/2.47 5.47/2.47 22: evalstartstart -> evalstartbb1in : A'=B, C'=D, [], cost: 10 5.47/2.47 5.47/2.47 23: evalstartbb1in -> evalstartbb1in : A'=C, C'=-1+A, [ A>=1 ], cost: 2 5.47/2.47 5.47/2.47 5.47/2.47 5.47/2.47 Accelerating simple loops of location 10. 5.47/2.47 5.47/2.47 Accelerating the following rules: 5.47/2.47 5.47/2.47 23: evalstartbb1in -> evalstartbb1in : A'=C, C'=-1+A, [ A>=1 ], cost: 2 5.47/2.47 5.47/2.47 5.47/2.47 5.47/2.47 Found no metering function for rule 23. 5.47/2.47 5.47/2.47 Removing the simple loops:. 5.47/2.47 5.47/2.47 5.47/2.47 5.47/2.47 Accelerated all simple loops using metering functions (where possible): 5.47/2.47 5.47/2.47 Start location: evalstartstart 5.47/2.47 5.47/2.47 22: evalstartstart -> evalstartbb1in : A'=B, C'=D, [], cost: 10 5.47/2.47 5.47/2.47 23: evalstartbb1in -> evalstartbb1in : A'=C, C'=-1+A, [ A>=1 ], cost: 2 5.47/2.47 5.47/2.47 5.47/2.47 5.47/2.47 Chained accelerated rules (with incoming rules): 5.47/2.47 5.47/2.47 Start location: evalstartstart 5.47/2.47 5.47/2.47 22: evalstartstart -> evalstartbb1in : A'=B, C'=D, [], cost: 10 5.47/2.47 5.47/2.47 24: evalstartstart -> evalstartbb1in : A'=D, C'=-1+B, [ B>=1 ], cost: 12 5.47/2.47 5.47/2.47 5.47/2.47 5.47/2.47 Removed unreachable locations (and leaf rules with constant cost): 5.47/2.47 5.47/2.47 Start location: evalstartstart 5.47/2.47 5.47/2.47 5.47/2.47 5.47/2.47 ### Computing asymptotic complexity ### 5.47/2.47 5.47/2.47 5.47/2.47 5.47/2.47 Fully simplified ITS problem 5.47/2.47 5.47/2.47 Start location: evalstartstart 5.47/2.47 5.47/2.47 5.47/2.47 5.47/2.47 Obtained the following overall complexity (w.r.t. the length of the input n): 5.47/2.47 5.47/2.47 Complexity: Unknown 5.47/2.47 5.47/2.47 Cpx degree: ? 5.47/2.47 5.47/2.47 Solved cost: 0 5.47/2.47 5.47/2.47 Rule cost: 0 5.47/2.47 5.47/2.47 Rule guard: [] 5.47/2.47 5.47/2.47 5.47/2.47 5.47/2.47 WORST_CASE(Omega(0),?) 5.47/2.47 5.47/2.47 5.47/2.47 ---------------------------------------- 5.47/2.47 5.47/2.47 (2) 5.47/2.47 BOUNDS(1, INF) 5.47/2.50 EOF