YES proof of prog.inttrs # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Termination of the given IRSwT could be proven: (0) IRSwT (1) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (2) IRSwT (3) IRSwTTerminationDigraphProof [EQUIVALENT, 208 ms] (4) IRSwT (5) IntTRSCompressionProof [EQUIVALENT, 35 ms] (6) IRSwT (7) IntTRSUnneededArgumentFilterProof [EQUIVALENT, 0 ms] (8) IRSwT (9) TempFilterProof [SOUND, 48 ms] (10) IntTRS (11) PolynomialOrderProcessor [EQUIVALENT, 0 ms] (12) IntTRS (13) PolynomialOrderProcessor [EQUIVALENT, 0 ms] (14) YES ---------------------------------------- (0) Obligation: Rules: f1_0_main_Load(arg1, arg2, arg3) -> f135_0_f_LE(arg1P, arg2P, arg3P) :|: arg2 = arg2P && arg2 = arg1P && -1 <= arg2 - 1 && 0 <= arg1 - 1 f135_0_f_LE(x, x1, x2) -> f182_0_f_LE(x3, x4, x5) :|: x1 = x5 && 2 = x4 && x = x3 && 0 <= x - 1 f182_0_f_LE(x6, x7, x8) -> f135_0_f_LE(x9, x10, x11) :|: x8 - 1 = x10 && x6 - x7 = x9 && 0 <= x6 - 1 && 0 <= x7 - 1 f182_0_f_LE(x12, x13, x14) -> f182_0_f_LE(x15, x16, x17) :|: x14 - 1 = x17 && x13 - 1 = x16 && x12 = x15 && 0 <= x12 - 1 && 0 <= x13 - 1 f182_0_f_LE(x18, x19, x20) -> f182_0_f_LE(x21, x22, x23) :|: x19 - 1 = x22 && x18 = x21 && 0 <= x18 - 1 && 0 <= x19 - 1 __init(x24, x25, x26) -> f1_0_main_Load(x27, x28, x29) :|: 0 <= 0 Start term: __init(arg1, arg2, arg3) ---------------------------------------- (1) IRSFormatTransformerProof (EQUIVALENT) Reformatted IRS to match normalized format (transformed away non-linear left-hand sides, !=, / and %). ---------------------------------------- (2) Obligation: Rules: f1_0_main_Load(arg1, arg2, arg3) -> f135_0_f_LE(arg1P, arg2P, arg3P) :|: arg2 = arg2P && arg2 = arg1P && -1 <= arg2 - 1 && 0 <= arg1 - 1 f135_0_f_LE(x, x1, x2) -> f182_0_f_LE(x3, x4, x5) :|: x1 = x5 && 2 = x4 && x = x3 && 0 <= x - 1 f182_0_f_LE(x6, x7, x8) -> f135_0_f_LE(x9, x10, x11) :|: x8 - 1 = x10 && x6 - x7 = x9 && 0 <= x6 - 1 && 0 <= x7 - 1 f182_0_f_LE(x12, x13, x14) -> f182_0_f_LE(x15, x16, x17) :|: x14 - 1 = x17 && x13 - 1 = x16 && x12 = x15 && 0 <= x12 - 1 && 0 <= x13 - 1 f182_0_f_LE(x18, x19, x20) -> f182_0_f_LE(x21, x22, x23) :|: x19 - 1 = x22 && x18 = x21 && 0 <= x18 - 1 && 0 <= x19 - 1 __init(x24, x25, x26) -> f1_0_main_Load(x27, x28, x29) :|: 0 <= 0 Start term: __init(arg1, arg2, arg3) ---------------------------------------- (3) IRSwTTerminationDigraphProof (EQUIVALENT) Constructed termination digraph! Nodes: (1) f1_0_main_Load(arg1, arg2, arg3) -> f135_0_f_LE(arg1P, arg2P, arg3P) :|: arg2 = arg2P && arg2 = arg1P && -1 <= arg2 - 1 && 0 <= arg1 - 1 (2) f135_0_f_LE(x, x1, x2) -> f182_0_f_LE(x3, x4, x5) :|: x1 = x5 && 2 = x4 && x = x3 && 0 <= x - 1 (3) f182_0_f_LE(x6, x7, x8) -> f135_0_f_LE(x9, x10, x11) :|: x8 - 1 = x10 && x6 - x7 = x9 && 0 <= x6 - 1 && 0 <= x7 - 1 (4) f182_0_f_LE(x12, x13, x14) -> f182_0_f_LE(x15, x16, x17) :|: x14 - 1 = x17 && x13 - 1 = x16 && x12 = x15 && 0 <= x12 - 1 && 0 <= x13 - 1 (5) f182_0_f_LE(x18, x19, x20) -> f182_0_f_LE(x21, x22, x23) :|: x19 - 1 = x22 && x18 = x21 && 0 <= x18 - 1 && 0 <= x19 - 1 (6) __init(x24, x25, x26) -> f1_0_main_Load(x27, x28, x29) :|: 0 <= 0 Arcs: (1) -> (2) (2) -> (3), (4), (5) (3) -> (2) (4) -> (3), (4), (5) (5) -> (3), (4), (5) (6) -> (1) This digraph is fully evaluated! ---------------------------------------- (4) Obligation: Termination digraph: Nodes: (1) f135_0_f_LE(x, x1, x2) -> f182_0_f_LE(x3, x4, x5) :|: x1 = x5 && 2 = x4 && x = x3 && 0 <= x - 1 (2) f182_0_f_LE(x6, x7, x8) -> f135_0_f_LE(x9, x10, x11) :|: x8 - 1 = x10 && x6 - x7 = x9 && 0 <= x6 - 1 && 0 <= x7 - 1 (3) f182_0_f_LE(x12, x13, x14) -> f182_0_f_LE(x15, x16, x17) :|: x14 - 1 = x17 && x13 - 1 = x16 && x12 = x15 && 0 <= x12 - 1 && 0 <= x13 - 1 (4) f182_0_f_LE(x18, x19, x20) -> f182_0_f_LE(x21, x22, x23) :|: x19 - 1 = x22 && x18 = x21 && 0 <= x18 - 1 && 0 <= x19 - 1 Arcs: (1) -> (2), (3), (4) (2) -> (1) (3) -> (2), (3), (4) (4) -> (2), (3), (4) This digraph is fully evaluated! ---------------------------------------- (5) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (6) Obligation: Rules: f182_0_f_LE(x18:0, x19:0, x20:0) -> f182_0_f_LE(x18:0, x19:0 - 1, x23:0) :|: x19:0 > 0 && x18:0 > 0 f182_0_f_LE(x12:0, x13:0, x14:0) -> f182_0_f_LE(x12:0, x13:0 - 1, x14:0 - 1) :|: x13:0 > 0 && x12:0 > 0 f182_0_f_LE(x6:0, x7:0, x8:0) -> f182_0_f_LE(x6:0 - x7:0, 2, x8:0 - 1) :|: x6:0 - x7:0 > 0 && x6:0 > 0 && x7:0 > 0 ---------------------------------------- (7) IntTRSUnneededArgumentFilterProof (EQUIVALENT) Some arguments are removed because they cannot influence termination. We removed arguments according to the following replacements: f182_0_f_LE(x1, x2, x3) -> f182_0_f_LE(x1, x2) ---------------------------------------- (8) Obligation: Rules: f182_0_f_LE(x18:0, x19:0) -> f182_0_f_LE(x18:0, x19:0 - 1) :|: x19:0 > 0 && x18:0 > 0 f182_0_f_LE(x6:0, x7:0) -> f182_0_f_LE(x6:0 - x7:0, 2) :|: x6:0 - x7:0 > 0 && x6:0 > 0 && x7:0 > 0 ---------------------------------------- (9) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f182_0_f_LE(INTEGER, VARIABLE) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (10) Obligation: Rules: f182_0_f_LE(x18:0, x19:0) -> f182_0_f_LE(x18:0, c) :|: c = x19:0 - 1 && (x19:0 > 0 && x18:0 > 0) f182_0_f_LE(x6:0, x7:0) -> f182_0_f_LE(c1, c2) :|: c2 = 2 && c1 = x6:0 - x7:0 && (x6:0 - x7:0 > 0 && x6:0 > 0 && x7:0 > 0) ---------------------------------------- (11) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f182_0_f_LE(x, x1)] = x + x1 The following rules are decreasing: f182_0_f_LE(x18:0, x19:0) -> f182_0_f_LE(x18:0, c) :|: c = x19:0 - 1 && (x19:0 > 0 && x18:0 > 0) The following rules are bounded: f182_0_f_LE(x18:0, x19:0) -> f182_0_f_LE(x18:0, c) :|: c = x19:0 - 1 && (x19:0 > 0 && x18:0 > 0) f182_0_f_LE(x6:0, x7:0) -> f182_0_f_LE(c1, c2) :|: c2 = 2 && c1 = x6:0 - x7:0 && (x6:0 - x7:0 > 0 && x6:0 > 0 && x7:0 > 0) ---------------------------------------- (12) Obligation: Rules: f182_0_f_LE(x6:0, x7:0) -> f182_0_f_LE(c1, c2) :|: c2 = 2 && c1 = x6:0 - x7:0 && (x6:0 - x7:0 > 0 && x6:0 > 0 && x7:0 > 0) ---------------------------------------- (13) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f182_0_f_LE(x, x1)] = x The following rules are decreasing: f182_0_f_LE(x6:0, x7:0) -> f182_0_f_LE(c1, c2) :|: c2 = 2 && c1 = x6:0 - x7:0 && (x6:0 - x7:0 > 0 && x6:0 > 0 && x7:0 > 0) The following rules are bounded: f182_0_f_LE(x6:0, x7:0) -> f182_0_f_LE(c1, c2) :|: c2 = 2 && c1 = x6:0 - x7:0 && (x6:0 - x7:0 > 0 && x6:0 > 0 && x7:0 > 0) ---------------------------------------- (14) YES