WORST_CASE(Omega(1),?) ### Pre-processing the ITS problem ### Initial linear ITS problem Start location: __init 0: f1_0_main_Load -> f1612_0_main_NULL : arg1'=arg1P_1, arg2'=arg2P_1, arg3'=arg3P_1, arg4'=arg4P_1, arg5'=arg5P_1, [ arg1>0 && arg1P_1>0 && arg2P_1>-1 ], cost: 1 3: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_4, arg2'=arg2P_4, arg3'=arg3P_4, arg4'=arg4P_4, arg5'=arg5P_4, [ arg2>0 && arg3P_4>0 && -1+arg1P_4<=arg1 && -1+arg2P_4<=arg1 && arg1>0 && arg1P_4>1 && arg2P_4>1 && arg2==arg4P_4 && 1==arg5P_4 ], cost: 1 2: f1612_0_main_NULL -> f1612_0_main_NULL : arg1'=arg1P_3, arg2'=arg2P_3, arg3'=arg3P_3, arg4'=arg4P_3, arg5'=arg5P_3, [ arg1>=-2+arg1P_3 && arg1>=3+arg2P_3 && arg2>=1+arg2P_3 && arg1>2 && arg2>0 && arg1P_3>2 && arg2P_3>-1 ], cost: 1 1: f408_0_createTree_Return -> f1612_0_main_NULL : arg1'=arg1P_2, arg2'=arg2P_2, arg3'=arg3P_2, arg4'=arg4P_2, arg5'=arg5P_2, [ arg1P_2<=arg1 && 2+arg2P_2<=arg1 && arg1>1 && arg1P_2>1 && arg2P_2>-1 && 2+arg2<=arg1 ], cost: 1 4: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_5, arg2'=arg2P_5, arg3'=arg3P_5, arg4'=arg4P_5, arg5'=arg5P_5, [ arg3>0 && arg5>-1 && arg50 && arg2>2 && arg1P_5>0 && arg2P_5>0 && -1+arg3==arg3P_5 && arg4==arg4P_5 && 1+arg5==arg5P_5 ], cost: 1 5: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_6, arg2'=arg2P_6, arg3'=arg3P_6, arg4'=arg4P_6, arg5'=arg5P_6, [ arg5>-1 && x31_1>0 && arg3>0 && arg50 && arg2>2 && arg1P_6>0 && arg2P_6>0 && -1+arg3==arg3P_6 && arg4==arg4P_6 && 1+arg5==arg5P_6 ], cost: 1 6: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=arg3P_7, arg4'=arg4P_7, arg5'=arg5P_7, [ arg5>-1 && x39_1>0 && arg3>0 && arg50 && arg2>1 && arg1P_7>0 && arg2P_7>0 && -1+arg3==arg3P_7 && arg4==arg4P_7 && 1+arg5==arg5P_7 ], cost: 1 7: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=arg3P_8, arg4'=arg4P_8, arg5'=arg5P_8, [ arg3>0 && arg5>-1 && arg50 && arg2>1 && arg1P_8>0 && arg2P_8>0 && -1+arg3==arg3P_8 && arg4==arg4P_8 && 1+arg5==arg5P_8 ], cost: 1 8: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_9, arg4'=arg4P_9, arg5'=arg5P_9, [ arg3>0 && arg5>-1 && arg51 && arg2>1 && arg1P_9>3 && arg2P_9>3 && -1+arg3==arg3P_9 && arg4==arg4P_9 && 1+arg5==arg5P_9 ], cost: 1 9: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_10, arg4'=arg4P_10, arg5'=arg5P_10, [ arg5>-1 && x61_1>0 && arg3>0 && arg51 && arg2>1 && arg1P_10>3 && arg2P_10>3 && -1+arg3==arg3P_10 && arg4==arg4P_10 && 1+arg5==arg5P_10 ], cost: 1 10: __init -> f1_0_main_Load : arg1'=arg1P_11, arg2'=arg2P_11, arg3'=arg3P_11, arg4'=arg4P_11, arg5'=arg5P_11, [], cost: 1 Checking for constant complexity: The following rule is satisfiable with cost >= 1, yielding constant complexity: 10: __init -> f1_0_main_Load : arg1'=arg1P_11, arg2'=arg2P_11, arg3'=arg3P_11, arg4'=arg4P_11, arg5'=arg5P_11, [], cost: 1 Removed unreachable and leaf rules: Start location: __init 0: f1_0_main_Load -> f1612_0_main_NULL : arg1'=arg1P_1, arg2'=arg2P_1, arg3'=arg3P_1, arg4'=arg4P_1, arg5'=arg5P_1, [ arg1>0 && arg1P_1>0 && arg2P_1>-1 ], cost: 1 3: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_4, arg2'=arg2P_4, arg3'=arg3P_4, arg4'=arg4P_4, arg5'=arg5P_4, [ arg2>0 && arg3P_4>0 && -1+arg1P_4<=arg1 && -1+arg2P_4<=arg1 && arg1>0 && arg1P_4>1 && arg2P_4>1 && arg2==arg4P_4 && 1==arg5P_4 ], cost: 1 2: f1612_0_main_NULL -> f1612_0_main_NULL : arg1'=arg1P_3, arg2'=arg2P_3, arg3'=arg3P_3, arg4'=arg4P_3, arg5'=arg5P_3, [ arg1>=-2+arg1P_3 && arg1>=3+arg2P_3 && arg2>=1+arg2P_3 && arg1>2 && arg2>0 && arg1P_3>2 && arg2P_3>-1 ], cost: 1 4: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_5, arg2'=arg2P_5, arg3'=arg3P_5, arg4'=arg4P_5, arg5'=arg5P_5, [ arg3>0 && arg5>-1 && arg50 && arg2>2 && arg1P_5>0 && arg2P_5>0 && -1+arg3==arg3P_5 && arg4==arg4P_5 && 1+arg5==arg5P_5 ], cost: 1 5: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_6, arg2'=arg2P_6, arg3'=arg3P_6, arg4'=arg4P_6, arg5'=arg5P_6, [ arg5>-1 && x31_1>0 && arg3>0 && arg50 && arg2>2 && arg1P_6>0 && arg2P_6>0 && -1+arg3==arg3P_6 && arg4==arg4P_6 && 1+arg5==arg5P_6 ], cost: 1 6: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=arg3P_7, arg4'=arg4P_7, arg5'=arg5P_7, [ arg5>-1 && x39_1>0 && arg3>0 && arg50 && arg2>1 && arg1P_7>0 && arg2P_7>0 && -1+arg3==arg3P_7 && arg4==arg4P_7 && 1+arg5==arg5P_7 ], cost: 1 7: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=arg3P_8, arg4'=arg4P_8, arg5'=arg5P_8, [ arg3>0 && arg5>-1 && arg50 && arg2>1 && arg1P_8>0 && arg2P_8>0 && -1+arg3==arg3P_8 && arg4==arg4P_8 && 1+arg5==arg5P_8 ], cost: 1 8: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_9, arg4'=arg4P_9, arg5'=arg5P_9, [ arg3>0 && arg5>-1 && arg51 && arg2>1 && arg1P_9>3 && arg2P_9>3 && -1+arg3==arg3P_9 && arg4==arg4P_9 && 1+arg5==arg5P_9 ], cost: 1 9: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_10, arg4'=arg4P_10, arg5'=arg5P_10, [ arg5>-1 && x61_1>0 && arg3>0 && arg51 && arg2>1 && arg1P_10>3 && arg2P_10>3 && -1+arg3==arg3P_10 && arg4==arg4P_10 && 1+arg5==arg5P_10 ], cost: 1 10: __init -> f1_0_main_Load : arg1'=arg1P_11, arg2'=arg2P_11, arg3'=arg3P_11, arg4'=arg4P_11, arg5'=arg5P_11, [], cost: 1 Simplified all rules, resulting in: Start location: __init 0: f1_0_main_Load -> f1612_0_main_NULL : arg1'=arg1P_1, arg2'=arg2P_1, arg3'=arg3P_1, arg4'=arg4P_1, arg5'=arg5P_1, [ arg1>0 && arg1P_1>0 && arg2P_1>-1 ], cost: 1 3: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_4, arg2'=arg2P_4, arg3'=arg3P_4, arg4'=arg2, arg5'=1, [ arg2>0 && arg3P_4>0 && -1+arg1P_4<=arg1 && -1+arg2P_4<=arg1 && arg1>0 && arg1P_4>1 && arg2P_4>1 ], cost: 1 2: f1612_0_main_NULL -> f1612_0_main_NULL : arg1'=arg1P_3, arg2'=arg2P_3, arg3'=arg3P_3, arg4'=arg4P_3, arg5'=arg5P_3, [ arg1>=-2+arg1P_3 && arg1>=3+arg2P_3 && arg2>=1+arg2P_3 && arg1>2 && arg2>0 && arg1P_3>2 && arg2P_3>-1 ], cost: 1 4: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_5, arg2'=arg2P_5, arg3'=-1+arg3, arg5'=1+arg5, [ arg3>0 && arg5>-1 && arg50 && arg2>2 && arg1P_5>0 && arg2P_5>0 ], cost: 1 5: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_6, arg2'=arg2P_6, arg3'=-1+arg3, arg5'=1+arg5, [ arg5>-1 && arg3>0 && arg50 && arg2>2 && arg1P_6>0 && arg2P_6>0 ], cost: 1 6: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=-1+arg3, arg5'=1+arg5, [ arg5>-1 && arg3>0 && arg50 && arg2>1 && arg1P_7>0 && arg2P_7>0 ], cost: 1 7: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=-1+arg3, arg5'=1+arg5, [ arg3>0 && arg5>-1 && arg50 && arg2>1 && arg1P_8>0 && arg2P_8>0 ], cost: 1 8: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=-1+arg3, arg5'=1+arg5, [ arg3>0 && arg5>-1 && arg51 && arg2>1 && arg1P_9>3 && arg2P_9>3 ], cost: 1 9: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=-1+arg3, arg5'=1+arg5, [ arg5>-1 && arg3>0 && arg51 && arg2>1 && arg1P_10>3 && arg2P_10>3 ], cost: 1 10: __init -> f1_0_main_Load : arg1'=arg1P_11, arg2'=arg2P_11, arg3'=arg3P_11, arg4'=arg4P_11, arg5'=arg5P_11, [], cost: 1 ### Simplification by acceleration and chaining ### Accelerating simple loops of location 1. Accelerating the following rules: 2: f1612_0_main_NULL -> f1612_0_main_NULL : arg1'=arg1P_3, arg2'=arg2P_3, arg3'=arg3P_3, arg4'=arg4P_3, arg5'=arg5P_3, [ arg1>=-2+arg1P_3 && arg1>=3+arg2P_3 && arg2>=1+arg2P_3 && arg1>2 && arg2>0 && arg1P_3>2 && arg2P_3>-1 ], cost: 1 Failed to prove monotonicity of the guard of rule 2. [accelerate] Nesting with 1 inner and 1 outer candidates Accelerating simple loops of location 3. Accelerating the following rules: 4: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_5, arg2'=arg2P_5, arg3'=-1+arg3, arg5'=1+arg5, [ arg3>0 && arg5>-1 && arg50 && arg2>2 && arg1P_5>0 && arg2P_5>0 ], cost: 1 5: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_6, arg2'=arg2P_6, arg3'=-1+arg3, arg5'=1+arg5, [ arg5>-1 && arg3>0 && arg50 && arg2>2 && arg1P_6>0 && arg2P_6>0 ], cost: 1 6: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=-1+arg3, arg5'=1+arg5, [ arg5>-1 && arg3>0 && arg50 && arg2>1 && arg1P_7>0 && arg2P_7>0 ], cost: 1 7: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=-1+arg3, arg5'=1+arg5, [ arg3>0 && arg5>-1 && arg50 && arg2>1 && arg1P_8>0 && arg2P_8>0 ], cost: 1 8: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=-1+arg3, arg5'=1+arg5, [ arg3>0 && arg5>-1 && arg51 && arg2>1 && arg1P_9>3 && arg2P_9>3 ], cost: 1 9: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=-1+arg3, arg5'=1+arg5, [ arg5>-1 && arg3>0 && arg51 && arg2>1 && arg1P_10>3 && arg2P_10>3 ], cost: 1 Failed to prove monotonicity of the guard of rule 4. Failed to prove monotonicity of the guard of rule 5. [test] deduced pseudo-invariant -arg2+arg2P_7<=0, also trying arg2-arg2P_7<=-1 Accelerated rule 6 with backward acceleration, yielding the new rule 11. Accelerated rule 6 with backward acceleration, yielding the new rule 12. [test] deduced pseudo-invariant arg2-arg2P_8<=0, also trying -arg2+arg2P_8<=-1 Accelerated rule 7 with backward acceleration, yielding the new rule 13. Accelerated rule 7 with backward acceleration, yielding the new rule 14. Failed to prove monotonicity of the guard of rule 8. [test] deduced invariant 1-arg2-arg1<=0 [test] deduced pseudo-invariant -4+arg2P_10<=0, also trying 4-arg2P_10<=-1 Failed to prove monotonicity of the guard of rule 9. [accelerate] Nesting with 8 inner and 6 outer candidates Nested simple loops 6 (outer loop) and 8 (inner loop) with Rule(3 | arg5>-1, arg1>0, arg2>1, arg1P_9>3, arg2P_9>3, k_9>=1, 1+arg3-2*k_9>0, -1+arg5+2*k_9-1, arg1>0, arg2>1, arg1P_9>3, arg2P_9>3, k_10>=1, 1+arg3-2*k_10>0, -1+arg5+2*k_10-1, arg1>0, arg2>1, arg1P_10>3, arg2P_10>3, k_11>=1, 1+arg3-2*k_11>0, -1+arg5+2*k_11-1, arg1>0, arg2>1, arg1P_10>3, arg2P_10>3, k_12>=1, 1+arg3-2*k_12>0, -1+arg5+2*k_12 f1612_0_main_NULL : arg1'=arg1P_1, arg2'=arg2P_1, arg3'=arg3P_1, arg4'=arg4P_1, arg5'=arg5P_1, [ arg1>0 && arg1P_1>0 && arg2P_1>-1 ], cost: 1 3: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_4, arg2'=arg2P_4, arg3'=arg3P_4, arg4'=arg2, arg5'=1, [ arg2>0 && arg3P_4>0 && -1+arg1P_4<=arg1 && -1+arg2P_4<=arg1 && arg1>0 && arg1P_4>1 && arg2P_4>1 ], cost: 1 2: f1612_0_main_NULL -> f1612_0_main_NULL : arg1'=arg1P_3, arg2'=arg2P_3, arg3'=arg3P_3, arg4'=arg4P_3, arg5'=arg5P_3, [ arg1>=-2+arg1P_3 && arg1>=3+arg2P_3 && arg2>=1+arg2P_3 && arg1>2 && arg2>0 && arg1P_3>2 && arg2P_3>-1 ], cost: 1 4: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_5, arg2'=arg2P_5, arg3'=-1+arg3, arg5'=1+arg5, [ arg3>0 && arg5>-1 && arg50 && arg2>2 && arg1P_5>0 && arg2P_5>0 ], cost: 1 5: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_6, arg2'=arg2P_6, arg3'=-1+arg3, arg5'=1+arg5, [ arg5>-1 && arg3>0 && arg50 && arg2>2 && arg1P_6>0 && arg2P_6>0 ], cost: 1 8: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=-1+arg3, arg5'=1+arg5, [ arg3>0 && arg5>-1 && arg51 && arg2>1 && arg1P_9>3 && arg2P_9>3 ], cost: 1 9: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=-1+arg3, arg5'=1+arg5, [ arg5>-1 && arg3>0 && arg51 && arg2>1 && arg1P_10>3 && arg2P_10>3 ], cost: 1 11: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=0, arg5'=arg5+arg3, [ arg5>-1 && arg1>0 && arg1P_7>0 && -arg2+arg2P_7<=0 && arg3>=1 && -1+arg5+arg31 ], cost: arg3 12: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=arg5+arg3-arg4, arg5'=arg4, [ arg5>-1 && arg1>0 && arg1P_7>0 && -arg2+arg2P_7<=0 && -arg5+arg4>=1 && 1+arg5+arg3-arg4>0 && arg2P_7>1 ], cost: -arg5+arg4 13: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=0, arg5'=arg5+arg3, [ arg5>-1 && arg1>0 && arg2>1 && arg1P_8>0 && arg2P_8>0 && arg2-arg2P_8<=0 && arg3>=1 && -1+arg5+arg3 f1301_0_createTree_LE : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=arg5+arg3-arg4, arg5'=arg4, [ arg5>-1 && arg1>0 && arg2>1 && arg1P_8>0 && arg2P_8>0 && arg2-arg2P_8<=0 && -arg5+arg4>=1 && 1+arg5+arg3-arg4>0 ], cost: -arg5+arg4 15: f1301_0_createTree_LE -> f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3-2*k_9, arg5'=arg5+2*k_9, [ arg5>-1 && arg1>0 && arg2>1 && arg1P_9>3 && arg2P_9>3 && k_9>=1 && 1+arg3-2*k_9>0 && -1+arg5+2*k_9 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=-1+arg3-2*k_9, arg5'=1+arg5+2*k_9, [ arg3>0 && arg5>-1 && arg51 && arg2>1 && arg1P_9>3 && arg2P_9>3 && k_9>=1 && arg3-2*k_9>0 && arg5+2*k_9 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3-2*k_10, arg5'=arg5+2*k_10, [ arg5>-1 && arg1>0 && arg2>1 && arg1P_9>3 && arg2P_9>3 && k_10>=1 && 1+arg3-2*k_10>0 && -1+arg5+2*k_10 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=-1+arg3-2*k_10, arg5'=1+arg5+2*k_10, [ arg3>0 && arg5>-1 && arg51 && arg2>1 && arg1P_9>3 && arg2P_9>3 && k_10>=1 && arg3-2*k_10>0 && arg5+2*k_10 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3-2*k_11, arg5'=arg5+2*k_11, [ arg5>-1 && arg1>0 && arg2>1 && arg1P_10>3 && arg2P_10>3 && k_11>=1 && 1+arg3-2*k_11>0 && -1+arg5+2*k_11 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=-1+arg3-2*k_11, arg5'=1+arg5+2*k_11, [ arg5>-1 && arg3>0 && arg51 && arg2>1 && arg1P_10>3 && arg2P_10>3 && k_11>=1 && arg3-2*k_11>0 && arg5+2*k_11 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3-2*k_12, arg5'=arg5+2*k_12, [ arg5>-1 && arg1>0 && arg2>1 && arg1P_10>3 && arg2P_10>3 && k_12>=1 && 1+arg3-2*k_12>0 && -1+arg5+2*k_12 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=-1+arg3-2*k_12, arg5'=1+arg5+2*k_12, [ arg5>-1 && arg3>0 && arg51 && arg2>1 && arg1P_10>3 && arg2P_10>3 && k_12>=1 && arg3-2*k_12>0 && arg5+2*k_12 f1_0_main_Load : arg1'=arg1P_11, arg2'=arg2P_11, arg3'=arg3P_11, arg4'=arg4P_11, arg5'=arg5P_11, [], cost: 1 Chained accelerated rules (with incoming rules): Start location: __init 0: f1_0_main_Load -> f1612_0_main_NULL : arg1'=arg1P_1, arg2'=arg2P_1, arg3'=arg3P_1, arg4'=arg4P_1, arg5'=arg5P_1, [ arg1>0 && arg1P_1>0 && arg2P_1>-1 ], cost: 1 3: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_4, arg2'=arg2P_4, arg3'=arg3P_4, arg4'=arg2, arg5'=1, [ arg2>0 && arg3P_4>0 && -1+arg1P_4<=arg1 && -1+arg2P_4<=arg1 && arg1>0 && arg1P_4>1 && arg2P_4>1 ], cost: 1 23: f1_0_main_Load -> f1612_0_main_NULL : arg1'=arg1P_3, arg2'=arg2P_3, arg3'=arg3P_3, arg4'=arg4P_3, arg5'=arg5P_3, [ arg1>0 && arg1P_3>2 && arg2P_3>-1 ], cost: 2 24: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_5, arg2'=arg2P_5, arg3'=-1+arg3P_4, arg4'=arg2, arg5'=2, [ arg3P_4>0 && 10 && arg2P_5>0 && 2+arg2P_5<=1+arg1 && 3<=1+arg1 && arg1P_5<=1+arg1 ], cost: 2 25: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_6, arg2'=arg2P_6, arg3'=-1+arg3P_4, arg4'=arg2, arg5'=2, [ arg3P_4>0 && 10 && arg2P_6>0 && 2+arg2P_6<=1+arg1 && 3<=1+arg1 && arg1P_6<=1+arg1 ], cost: 2 26: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=-1+arg3P_4, arg4'=arg2, arg5'=2, [ arg3P_4>0 && arg1>0 && 13 && arg2P_9>3 && -2+arg1P_9<=1+arg1 && -2+arg2P_9<=1+arg1 ], cost: 2 27: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=-1+arg3P_4, arg4'=arg2, arg5'=2, [ arg3P_4>0 && arg1>0 && 13 && arg2P_10>3 && -2+arg1P_10<=1+arg1 && -2+arg2P_10<=1+arg1 ], cost: 2 28: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=0, arg4'=arg2, arg5'=1+arg3P_4, [ arg2>0 && arg3P_4>0 && arg1>0 && arg1P_7>0 && arg3P_41 && arg2P_7<=1+arg1 ], cost: 1+arg3P_4 29: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=1-arg2+arg3P_4, arg4'=arg2, arg5'=arg2, [ arg3P_4>0 && arg1>0 && arg1P_7>0 && -1+arg2>=1 && 2-arg2+arg3P_4>0 && arg2P_7>1 && arg2P_7<=1+arg1 ], cost: arg2 30: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=0, arg4'=arg2, arg5'=1+arg3P_4, [ arg2>0 && arg3P_4>0 && arg1>0 && arg1P_8>0 && arg3P_4 f1301_0_createTree_LE : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=1-arg2+arg3P_4, arg4'=arg2, arg5'=arg2, [ arg3P_4>0 && arg1>0 && arg1P_8>0 && -1+arg2>=1 && 2-arg2+arg3P_4>0 && 2<=arg2P_8 ], cost: arg2 32: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_4-2*k_9, arg4'=arg2, arg5'=1+2*k_9, [ arg2>0 && arg3P_4>0 && arg1>0 && arg1P_9>3 && arg2P_9>3 && k_9>=1 && 1+arg3P_4-2*k_9>0 && 2*k_9 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=-1+arg3P_4-2*k_9, arg4'=arg2, arg5'=2+2*k_9, [ arg3P_4>0 && arg1>0 && 13 && arg2P_9>3 && k_9>=1 && arg3P_4-2*k_9>0 && 1+2*k_9 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_4-2*k_10, arg4'=arg2, arg5'=1+2*k_10, [ arg2>0 && arg3P_4>0 && arg1>0 && arg1P_9>3 && arg2P_9>3 && k_10>=1 && 1+arg3P_4-2*k_10>0 && 2*k_10 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=-1+arg3P_4-2*k_10, arg4'=arg2, arg5'=2+2*k_10, [ arg3P_4>0 && arg1>0 && 13 && arg2P_9>3 && k_10>=1 && arg3P_4-2*k_10>0 && 1+2*k_10 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_4-2*k_11, arg4'=arg2, arg5'=1+2*k_11, [ arg2>0 && arg3P_4>0 && arg1>0 && arg1P_10>3 && arg2P_10>3 && k_11>=1 && 1+arg3P_4-2*k_11>0 && 2*k_11 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=-1+arg3P_4-2*k_11, arg4'=arg2, arg5'=2+2*k_11, [ arg3P_4>0 && arg1>0 && 13 && arg2P_10>3 && k_11>=1 && arg3P_4-2*k_11>0 && 1+2*k_11 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_4-2*k_12, arg4'=arg2, arg5'=1+2*k_12, [ arg2>0 && arg3P_4>0 && arg1>0 && arg1P_10>3 && arg2P_10>3 && k_12>=1 && 1+arg3P_4-2*k_12>0 && 2*k_12 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=-1+arg3P_4-2*k_12, arg4'=arg2, arg5'=2+2*k_12, [ arg3P_4>0 && arg1>0 && 13 && arg2P_10>3 && k_12>=1 && arg3P_4-2*k_12>0 && 1+2*k_12 f1_0_main_Load : arg1'=arg1P_11, arg2'=arg2P_11, arg3'=arg3P_11, arg4'=arg4P_11, arg5'=arg5P_11, [], cost: 1 Removed unreachable locations (and leaf rules with constant cost): Start location: __init 28: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=0, arg4'=arg2, arg5'=1+arg3P_4, [ arg2>0 && arg3P_4>0 && arg1>0 && arg1P_7>0 && arg3P_41 && arg2P_7<=1+arg1 ], cost: 1+arg3P_4 29: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=1-arg2+arg3P_4, arg4'=arg2, arg5'=arg2, [ arg3P_4>0 && arg1>0 && arg1P_7>0 && -1+arg2>=1 && 2-arg2+arg3P_4>0 && arg2P_7>1 && arg2P_7<=1+arg1 ], cost: arg2 30: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=0, arg4'=arg2, arg5'=1+arg3P_4, [ arg2>0 && arg3P_4>0 && arg1>0 && arg1P_8>0 && arg3P_4 f1301_0_createTree_LE : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=1-arg2+arg3P_4, arg4'=arg2, arg5'=arg2, [ arg3P_4>0 && arg1>0 && arg1P_8>0 && -1+arg2>=1 && 2-arg2+arg3P_4>0 && 2<=arg2P_8 ], cost: arg2 32: f1_0_main_Load -> f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_4-2*k_9, arg4'=arg2, arg5'=1+2*k_9, [ arg2>0 && arg3P_4>0 && arg1>0 && arg1P_9>3 && arg2P_9>3 && k_9>=1 && 1+arg3P_4-2*k_9>0 && 2*k_9 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=-1+arg3P_4-2*k_9, arg4'=arg2, arg5'=2+2*k_9, [ arg3P_4>0 && arg1>0 && 13 && arg2P_9>3 && k_9>=1 && arg3P_4-2*k_9>0 && 1+2*k_9 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_4-2*k_10, arg4'=arg2, arg5'=1+2*k_10, [ arg2>0 && arg3P_4>0 && arg1>0 && arg1P_9>3 && arg2P_9>3 && k_10>=1 && 1+arg3P_4-2*k_10>0 && 2*k_10 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=-1+arg3P_4-2*k_10, arg4'=arg2, arg5'=2+2*k_10, [ arg3P_4>0 && arg1>0 && 13 && arg2P_9>3 && k_10>=1 && arg3P_4-2*k_10>0 && 1+2*k_10 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_4-2*k_11, arg4'=arg2, arg5'=1+2*k_11, [ arg2>0 && arg3P_4>0 && arg1>0 && arg1P_10>3 && arg2P_10>3 && k_11>=1 && 1+arg3P_4-2*k_11>0 && 2*k_11 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=-1+arg3P_4-2*k_11, arg4'=arg2, arg5'=2+2*k_11, [ arg3P_4>0 && arg1>0 && 13 && arg2P_10>3 && k_11>=1 && arg3P_4-2*k_11>0 && 1+2*k_11 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_4-2*k_12, arg4'=arg2, arg5'=1+2*k_12, [ arg2>0 && arg3P_4>0 && arg1>0 && arg1P_10>3 && arg2P_10>3 && k_12>=1 && 1+arg3P_4-2*k_12>0 && 2*k_12 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=-1+arg3P_4-2*k_12, arg4'=arg2, arg5'=2+2*k_12, [ arg3P_4>0 && arg1>0 && 13 && arg2P_10>3 && k_12>=1 && arg3P_4-2*k_12>0 && 1+2*k_12 f1_0_main_Load : arg1'=arg1P_11, arg2'=arg2P_11, arg3'=arg3P_11, arg4'=arg4P_11, arg5'=arg5P_11, [], cost: 1 Eliminated locations (on tree-shaped paths): Start location: __init 40: __init -> f1301_0_createTree_LE : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=0, arg4'=arg2P_11, arg5'=1+arg3P_4, [ arg2P_11>0 && arg3P_4>0 && arg1P_11>0 && arg1P_7>0 && arg3P_41 && arg2P_7<=1+arg1P_11 ], cost: 2+arg3P_4 41: __init -> f1301_0_createTree_LE : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=1+arg3P_4-arg2P_11, arg4'=arg2P_11, arg5'=arg2P_11, [ arg3P_4>0 && arg1P_11>0 && arg1P_7>0 && -1+arg2P_11>=1 && 2+arg3P_4-arg2P_11>0 && arg2P_7>1 && arg2P_7<=1+arg1P_11 ], cost: 1+arg2P_11 42: __init -> f1301_0_createTree_LE : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=0, arg4'=arg2P_11, arg5'=1+arg3P_4, [ arg2P_11>0 && arg3P_4>0 && arg1P_11>0 && arg1P_8>0 && arg3P_4 f1301_0_createTree_LE : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=1+arg3P_4-arg2P_11, arg4'=arg2P_11, arg5'=arg2P_11, [ arg3P_4>0 && arg1P_11>0 && arg1P_8>0 && -1+arg2P_11>=1 && 2+arg3P_4-arg2P_11>0 && 2<=arg2P_8 ], cost: 1+arg2P_11 44: __init -> f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_4-2*k_9, arg4'=arg2P_11, arg5'=1+2*k_9, [ arg2P_11>0 && arg3P_4>0 && arg1P_11>0 && arg1P_9>3 && arg2P_9>3 && k_9>=1 && 1+arg3P_4-2*k_9>0 && 2*k_9 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=-1+arg3P_4-2*k_9, arg4'=arg2P_11, arg5'=2+2*k_9, [ arg3P_4>0 && arg1P_11>0 && 13 && arg2P_9>3 && k_9>=1 && arg3P_4-2*k_9>0 && 1+2*k_9 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_4-2*k_10, arg4'=arg2P_11, arg5'=1+2*k_10, [ arg2P_11>0 && arg3P_4>0 && arg1P_11>0 && arg1P_9>3 && arg2P_9>3 && k_10>=1 && 1+arg3P_4-2*k_10>0 && 2*k_10 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=-1+arg3P_4-2*k_10, arg4'=arg2P_11, arg5'=2+2*k_10, [ arg3P_4>0 && arg1P_11>0 && 13 && arg2P_9>3 && k_10>=1 && arg3P_4-2*k_10>0 && 1+2*k_10 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_4-2*k_11, arg4'=arg2P_11, arg5'=1+2*k_11, [ arg2P_11>0 && arg3P_4>0 && arg1P_11>0 && arg1P_10>3 && arg2P_10>3 && k_11>=1 && 1+arg3P_4-2*k_11>0 && 2*k_11 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=-1+arg3P_4-2*k_11, arg4'=arg2P_11, arg5'=2+2*k_11, [ arg3P_4>0 && arg1P_11>0 && 13 && arg2P_10>3 && k_11>=1 && arg3P_4-2*k_11>0 && 1+2*k_11 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_4-2*k_12, arg4'=arg2P_11, arg5'=1+2*k_12, [ arg2P_11>0 && arg3P_4>0 && arg1P_11>0 && arg1P_10>3 && arg2P_10>3 && k_12>=1 && 1+arg3P_4-2*k_12>0 && 2*k_12 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=-1+arg3P_4-2*k_12, arg4'=arg2P_11, arg5'=2+2*k_12, [ arg3P_4>0 && arg1P_11>0 && 13 && arg2P_10>3 && k_12>=1 && arg3P_4-2*k_12>0 && 1+2*k_12 f1301_0_createTree_LE : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=0, arg4'=arg2P_11, arg5'=1+arg3P_4, [ arg2P_11>0 && arg3P_4>0 && arg1P_11>0 && arg1P_7>0 && arg3P_41 && arg2P_7<=1+arg1P_11 ], cost: 2+arg3P_4 41: __init -> f1301_0_createTree_LE : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=1+arg3P_4-arg2P_11, arg4'=arg2P_11, arg5'=arg2P_11, [ arg3P_4>0 && arg1P_11>0 && arg1P_7>0 && -1+arg2P_11>=1 && 2+arg3P_4-arg2P_11>0 && arg2P_7>1 && arg2P_7<=1+arg1P_11 ], cost: 1+arg2P_11 42: __init -> f1301_0_createTree_LE : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=0, arg4'=arg2P_11, arg5'=1+arg3P_4, [ arg2P_11>0 && arg3P_4>0 && arg1P_11>0 && arg1P_8>0 && arg3P_4 f1301_0_createTree_LE : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=1+arg3P_4-arg2P_11, arg4'=arg2P_11, arg5'=arg2P_11, [ arg3P_4>0 && arg1P_11>0 && arg1P_8>0 && -1+arg2P_11>=1 && 2+arg3P_4-arg2P_11>0 && 2<=arg2P_8 ], cost: 1+arg2P_11 44: __init -> f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_4-2*k_9, arg4'=arg2P_11, arg5'=1+2*k_9, [ arg2P_11>0 && arg3P_4>0 && arg1P_11>0 && arg1P_9>3 && arg2P_9>3 && k_9>=1 && 1+arg3P_4-2*k_9>0 && 2*k_9 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=-1+arg3P_4-2*k_9, arg4'=arg2P_11, arg5'=2+2*k_9, [ arg3P_4>0 && arg1P_11>0 && 13 && arg2P_9>3 && k_9>=1 && arg3P_4-2*k_9>0 && 1+2*k_9 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_4-2*k_10, arg4'=arg2P_11, arg5'=1+2*k_10, [ arg2P_11>0 && arg3P_4>0 && arg1P_11>0 && arg1P_9>3 && arg2P_9>3 && k_10>=1 && 1+arg3P_4-2*k_10>0 && 2*k_10 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=-1+arg3P_4-2*k_10, arg4'=arg2P_11, arg5'=2+2*k_10, [ arg3P_4>0 && arg1P_11>0 && 13 && arg2P_9>3 && k_10>=1 && arg3P_4-2*k_10>0 && 1+2*k_10 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_4-2*k_11, arg4'=arg2P_11, arg5'=1+2*k_11, [ arg2P_11>0 && arg3P_4>0 && arg1P_11>0 && arg1P_10>3 && arg2P_10>3 && k_11>=1 && 1+arg3P_4-2*k_11>0 && 2*k_11 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=-1+arg3P_4-2*k_11, arg4'=arg2P_11, arg5'=2+2*k_11, [ arg3P_4>0 && arg1P_11>0 && 13 && arg2P_10>3 && k_11>=1 && arg3P_4-2*k_11>0 && 1+2*k_11 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_4-2*k_12, arg4'=arg2P_11, arg5'=1+2*k_12, [ arg2P_11>0 && arg3P_4>0 && arg1P_11>0 && arg1P_10>3 && arg2P_10>3 && k_12>=1 && 1+arg3P_4-2*k_12>0 && 2*k_12 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=-1+arg3P_4-2*k_12, arg4'=arg2P_11, arg5'=2+2*k_12, [ arg3P_4>0 && arg1P_11>0 && 13 && arg2P_10>3 && k_12>=1 && arg3P_4-2*k_12>0 && 1+2*k_12 f1301_0_createTree_LE : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=0, arg4'=arg2P_11, arg5'=1+arg3P_4, [ arg3P_4>0 && arg1P_11>0 && arg1P_8>0 && arg3P_4 f1301_0_createTree_LE : arg1'=arg1P_8, arg2'=arg2P_8, arg3'=1+arg3P_4-arg2P_11, arg4'=arg2P_11, arg5'=arg2P_11, [ arg1P_11>0 && arg1P_8>0 && -1+arg2P_11>=1 && 2+arg3P_4-arg2P_11>0 && 2<=arg2P_8 ], cost: 1+arg2P_11 Resulting cost 0 has complexity: Unknown Computing asymptotic complexity for rule 40 Simplified the guard: 40: __init -> f1301_0_createTree_LE : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=0, arg4'=arg2P_11, arg5'=1+arg3P_4, [ arg3P_4>0 && arg1P_7>0 && arg3P_41 && arg2P_7<=1+arg1P_11 ], cost: 2+arg3P_4 Resulting cost 0 has complexity: Unknown Computing asymptotic complexity for rule 41 Simplified the guard: 41: __init -> f1301_0_createTree_LE : arg1'=arg1P_7, arg2'=arg2P_7, arg3'=1+arg3P_4-arg2P_11, arg4'=arg2P_11, arg5'=arg2P_11, [ arg1P_7>0 && -1+arg2P_11>=1 && 2+arg3P_4-arg2P_11>0 && arg2P_7>1 && arg2P_7<=1+arg1P_11 ], cost: 1+arg2P_11 Resulting cost 0 has complexity: Unknown Computing asymptotic complexity for rule 44 Simplified the guard: 44: __init -> f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_4-2*k_9, arg4'=arg2P_11, arg5'=1+2*k_9, [ arg1P_11>0 && arg1P_9>3 && arg2P_9>3 && k_9>=1 && 1+arg3P_4-2*k_9>0 && 2*k_9 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=arg3P_4-2*k_10, arg4'=arg2P_11, arg5'=1+2*k_10, [ arg1P_11>0 && arg1P_9>3 && arg2P_9>3 && k_10>=1 && 1+arg3P_4-2*k_10>0 && 2*k_10 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_4-2*k_11, arg4'=arg2P_11, arg5'=1+2*k_11, [ arg1P_11>0 && arg1P_10>3 && arg2P_10>3 && k_11>=1 && 1+arg3P_4-2*k_11>0 && 2*k_11 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=arg3P_4-2*k_12, arg4'=arg2P_11, arg5'=1+2*k_12, [ arg1P_11>0 && arg1P_10>3 && arg2P_10>3 && k_12>=1 && 1+arg3P_4-2*k_12>0 && 2*k_12 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=-1+arg3P_4-2*k_9, arg4'=arg2P_11, arg5'=2+2*k_9, [ arg1P_9>3 && arg2P_9>3 && k_9>=1 && arg3P_4-2*k_9>0 && 1+2*k_9 f1301_0_createTree_LE : arg1'=arg1P_9, arg2'=arg2P_9, arg3'=-1+arg3P_4-2*k_10, arg4'=arg2P_11, arg5'=2+2*k_10, [ arg1P_9>3 && arg2P_9>3 && k_10>=1 && arg3P_4-2*k_10>0 && 1+2*k_10 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=-1+arg3P_4-2*k_11, arg4'=arg2P_11, arg5'=2+2*k_11, [ arg1P_10>3 && arg2P_10>3 && k_11>=1 && arg3P_4-2*k_11>0 && 1+2*k_11 f1301_0_createTree_LE : arg1'=arg1P_10, arg2'=arg2P_10, arg3'=-1+arg3P_4-2*k_12, arg4'=arg2P_11, arg5'=2+2*k_12, [ arg1P_10>3 && arg2P_10>3 && k_12>=1 && arg3P_4-2*k_12>0 && 1+2*k_12