MAYBE * Step 1: ArgumentFilter MAYBE + Considered Problem: Rules: 0. eval_start_start(v__0,v__01,v_x,v_y) -> eval_start_bb0_in(v__0,v__01,v_x,v_y) True (1,1) 1. eval_start_bb0_in(v__0,v__01,v_x,v_y) -> eval_start_0(v__0,v__01,v_x,v_y) True (?,1) 2. eval_start_0(v__0,v__01,v_x,v_y) -> eval_start_1(v__0,v__01,v_x,v_y) True (?,1) 3. eval_start_1(v__0,v__01,v_x,v_y) -> eval_start_2(v__0,v__01,v_x,v_y) True (?,1) 4. eval_start_2(v__0,v__01,v_x,v_y) -> eval_start_3(v__0,v__01,v_x,v_y) True (?,1) 5. eval_start_3(v__0,v__01,v_x,v_y) -> eval_start_4(v__0,v__01,v_x,v_y) True (?,1) 6. eval_start_4(v__0,v__01,v_x,v_y) -> eval_start_5(v__0,v__01,v_x,v_y) True (?,1) 7. eval_start_5(v__0,v__01,v_x,v_y) -> eval_start_6(v__0,v__01,v_x,v_y) True (?,1) 8. eval_start_6(v__0,v__01,v_x,v_y) -> eval_start_7(v__0,v__01,v_x,v_y) True (?,1) 9. eval_start_7(v__0,v__01,v_x,v_y) -> eval_start_bb1_in(v_x,v_y,v_x,v_y) True (?,1) 10. eval_start_bb1_in(v__0,v__01,v_x,v_y) -> eval_start_bb2_in(v__0,v__01,v_x,v_y) [-1 + v__0 >= 0] (?,1) 11. eval_start_bb1_in(v__0,v__01,v_x,v_y) -> eval_start_bb3_in(v__0,v__01,v_x,v_y) [0 >= v__0] (?,1) 12. eval_start_bb2_in(v__0,v__01,v_x,v_y) -> eval_start_bb1_in(v__01,-1 + v__0,v_x,v_y) [-1 + v__0 >= 0] (?,1) 13. eval_start_bb3_in(v__0,v__01,v_x,v_y) -> eval_start_stop(v__0,v__01,v_x,v_y) [-1*v__0 >= 0] (?,1) Signature: {(eval_start_0,4) ;(eval_start_1,4) ;(eval_start_2,4) ;(eval_start_3,4) ;(eval_start_4,4) ;(eval_start_5,4) ;(eval_start_6,4) ;(eval_start_7,4) ;(eval_start_bb0_in,4) ;(eval_start_bb1_in,4) ;(eval_start_bb2_in,4) ;(eval_start_bb3_in,4) ;(eval_start_start,4) ;(eval_start_stop,4)} Flow Graph: [0->{1},1->{2},2->{3},3->{4},4->{5},5->{6},6->{7},7->{8},8->{9},9->{10,11},10->{12},11->{13},12->{10,11} ,13->{}] + Applied Processor: ArgumentFilter [1,2,3] + Details: We remove following argument positions: [1,2,3]. * Step 2: FromIts MAYBE + Considered Problem: Rules: 0. eval_start_start(v__0) -> eval_start_bb0_in(v__0) True (1,1) 1. eval_start_bb0_in(v__0) -> eval_start_0(v__0) True (?,1) 2. eval_start_0(v__0) -> eval_start_1(v__0) True (?,1) 3. eval_start_1(v__0) -> eval_start_2(v__0) True (?,1) 4. eval_start_2(v__0) -> eval_start_3(v__0) True (?,1) 5. eval_start_3(v__0) -> eval_start_4(v__0) True (?,1) 6. eval_start_4(v__0) -> eval_start_5(v__0) True (?,1) 7. eval_start_5(v__0) -> eval_start_6(v__0) True (?,1) 8. eval_start_6(v__0) -> eval_start_7(v__0) True (?,1) 9. eval_start_7(v__0) -> eval_start_bb1_in(v_x) True (?,1) 10. eval_start_bb1_in(v__0) -> eval_start_bb2_in(v__0) [-1 + v__0 >= 0] (?,1) 11. eval_start_bb1_in(v__0) -> eval_start_bb3_in(v__0) [0 >= v__0] (?,1) 12. eval_start_bb2_in(v__0) -> eval_start_bb1_in(v__01) [-1 + v__0 >= 0] (?,1) 13. eval_start_bb3_in(v__0) -> eval_start_stop(v__0) [-1*v__0 >= 0] (?,1) Signature: {(eval_start_0,4) ;(eval_start_1,4) ;(eval_start_2,4) ;(eval_start_3,4) ;(eval_start_4,4) ;(eval_start_5,4) ;(eval_start_6,4) ;(eval_start_7,4) ;(eval_start_bb0_in,4) ;(eval_start_bb1_in,4) ;(eval_start_bb2_in,4) ;(eval_start_bb3_in,4) ;(eval_start_start,4) ;(eval_start_stop,4)} Flow Graph: [0->{1},1->{2},2->{3},3->{4},4->{5},5->{6},6->{7},7->{8},8->{9},9->{10,11},10->{12},11->{13},12->{10,11} ,13->{}] + Applied Processor: FromIts + Details: () * Step 3: AddSinks MAYBE + Considered Problem: Rules: eval_start_start(v__0) -> eval_start_bb0_in(v__0) True eval_start_bb0_in(v__0) -> eval_start_0(v__0) True eval_start_0(v__0) -> eval_start_1(v__0) True eval_start_1(v__0) -> eval_start_2(v__0) True eval_start_2(v__0) -> eval_start_3(v__0) True eval_start_3(v__0) -> eval_start_4(v__0) True eval_start_4(v__0) -> eval_start_5(v__0) True eval_start_5(v__0) -> eval_start_6(v__0) True eval_start_6(v__0) -> eval_start_7(v__0) True eval_start_7(v__0) -> eval_start_bb1_in(v_x) True eval_start_bb1_in(v__0) -> eval_start_bb2_in(v__0) [-1 + v__0 >= 0] eval_start_bb1_in(v__0) -> eval_start_bb3_in(v__0) [0 >= v__0] eval_start_bb2_in(v__0) -> eval_start_bb1_in(v__01) [-1 + v__0 >= 0] eval_start_bb3_in(v__0) -> eval_start_stop(v__0) [-1*v__0 >= 0] Signature: {(eval_start_0,4) ;(eval_start_1,4) ;(eval_start_2,4) ;(eval_start_3,4) ;(eval_start_4,4) ;(eval_start_5,4) ;(eval_start_6,4) ;(eval_start_7,4) ;(eval_start_bb0_in,4) ;(eval_start_bb1_in,4) ;(eval_start_bb2_in,4) ;(eval_start_bb3_in,4) ;(eval_start_start,4) ;(eval_start_stop,4)} Rule Graph: [0->{1},1->{2},2->{3},3->{4},4->{5},5->{6},6->{7},7->{8},8->{9},9->{10,11},10->{12},11->{13},12->{10,11} ,13->{}] + Applied Processor: AddSinks + Details: () * Step 4: Failure MAYBE + Considered Problem: Rules: eval_start_start(v__0) -> eval_start_bb0_in(v__0) True eval_start_bb0_in(v__0) -> eval_start_0(v__0) True eval_start_0(v__0) -> eval_start_1(v__0) True eval_start_1(v__0) -> eval_start_2(v__0) True eval_start_2(v__0) -> eval_start_3(v__0) True eval_start_3(v__0) -> eval_start_4(v__0) True eval_start_4(v__0) -> eval_start_5(v__0) True eval_start_5(v__0) -> eval_start_6(v__0) True eval_start_6(v__0) -> eval_start_7(v__0) True eval_start_7(v__0) -> eval_start_bb1_in(v_x) True eval_start_bb1_in(v__0) -> eval_start_bb2_in(v__0) [-1 + v__0 >= 0] eval_start_bb1_in(v__0) -> eval_start_bb3_in(v__0) [0 >= v__0] eval_start_bb2_in(v__0) -> eval_start_bb1_in(v__01) [-1 + v__0 >= 0] eval_start_bb3_in(v__0) -> eval_start_stop(v__0) [-1*v__0 >= 0] eval_start_stop(v__0) -> exitus616(v__0) True Signature: {(eval_start_0,4) ;(eval_start_1,4) ;(eval_start_2,4) ;(eval_start_3,4) ;(eval_start_4,4) ;(eval_start_5,4) ;(eval_start_6,4) ;(eval_start_7,4) ;(eval_start_bb0_in,4) ;(eval_start_bb1_in,4) ;(eval_start_bb2_in,4) ;(eval_start_bb3_in,4) ;(eval_start_start,4) ;(eval_start_stop,4) ;(exitus616,1)} Rule Graph: [0->{1},1->{2},2->{3},3->{4},4->{5},5->{6},6->{7},7->{8},8->{9},9->{10,11},10->{12},11->{13},12->{10,11} ,13->{14}] + Applied Processor: Decompose Greedy + Details: We construct a looptree: P: [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14] | `- p:[10,12] c: [] MAYBE