YES proof of prog.inttrs # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Termination of the given IRSwT could be proven: (0) IRSwT (1) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (2) IRSwT (3) IRSwTTerminationDigraphProof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, 271 ms] (4) AND (5) IRSwT (6) IntTRSCompressionProof [EQUIVALENT, 0 ms] (7) IRSwT (8) TempFilterProof [SOUND, 26 ms] (9) IntTRS (10) PolynomialOrderProcessor [EQUIVALENT, 10 ms] (11) YES (12) IRSwT (13) IntTRSCompressionProof [EQUIVALENT, 0 ms] (14) IRSwT (15) TempFilterProof [SOUND, 77 ms] (16) IntTRS (17) PolynomialOrderProcessor [EQUIVALENT, 0 ms] (18) IntTRS (19) PolynomialOrderProcessor [EQUIVALENT, 3 ms] (20) YES ---------------------------------------- (0) Obligation: Rules: f1_0_main_Load(arg1, arg2, arg3) -> f306_0_main_LE(arg1P, arg2P, arg3P) :|: arg1P + arg2P = arg3P && 0 <= arg1 - 1 && -1 <= arg1P - 1 && -1 <= arg2 - 1 && -1 <= arg2P - 1 f306_0_main_LE(x, x1, x2) -> f306_0_main_LE(x3, x4, x5) :|: x - 1 + x1 = x5 && x1 = x4 && x - 1 = x3 && x1 <= x - 1 && 0 <= x2 - 1 f306_0_main_LE(x6, x7, x8) -> f306_0_main_LE(x9, x10, x11) :|: x6 + x7 - 1 = x11 && x7 - 1 = x10 && x6 = x9 && x6 <= x7 - 1 && 0 <= x8 - 1 f306_0_main_LE(x12, x13, x14) -> f306_0_main_LE(x15, x16, x17) :|: x12 - 1 + x12 = x17 && x12 = x16 && x12 - 1 = x15 && x12 = x13 && 0 <= x14 - 1 __init(x18, x19, x20) -> f1_0_main_Load(x21, x22, x23) :|: 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) -> f306_0_main_LE(arg1P, arg2P, arg3P) :|: arg1P + arg2P = arg3P && 0 <= arg1 - 1 && -1 <= arg1P - 1 && -1 <= arg2 - 1 && -1 <= arg2P - 1 f306_0_main_LE(x, x1, x2) -> f306_0_main_LE(x3, x4, x5) :|: x - 1 + x1 = x5 && x1 = x4 && x - 1 = x3 && x1 <= x - 1 && 0 <= x2 - 1 f306_0_main_LE(x6, x7, x8) -> f306_0_main_LE(x9, x10, x11) :|: x6 + x7 - 1 = x11 && x7 - 1 = x10 && x6 = x9 && x6 <= x7 - 1 && 0 <= x8 - 1 f306_0_main_LE(x12, x13, x14) -> f306_0_main_LE(x15, x16, x17) :|: x12 - 1 + x12 = x17 && x12 = x16 && x12 - 1 = x15 && x12 = x13 && 0 <= x14 - 1 __init(x18, x19, x20) -> f1_0_main_Load(x21, x22, x23) :|: 0 <= 0 Start term: __init(arg1, arg2, arg3) ---------------------------------------- (3) IRSwTTerminationDigraphProof (EQUIVALENT) Constructed termination digraph! Nodes: (1) f1_0_main_Load(arg1, arg2, arg3) -> f306_0_main_LE(arg1P, arg2P, arg3P) :|: arg1P + arg2P = arg3P && 0 <= arg1 - 1 && -1 <= arg1P - 1 && -1 <= arg2 - 1 && -1 <= arg2P - 1 (2) f306_0_main_LE(x, x1, x2) -> f306_0_main_LE(x3, x4, x5) :|: x - 1 + x1 = x5 && x1 = x4 && x - 1 = x3 && x1 <= x - 1 && 0 <= x2 - 1 (3) f306_0_main_LE(x6, x7, x8) -> f306_0_main_LE(x9, x10, x11) :|: x6 + x7 - 1 = x11 && x7 - 1 = x10 && x6 = x9 && x6 <= x7 - 1 && 0 <= x8 - 1 (4) f306_0_main_LE(x12, x13, x14) -> f306_0_main_LE(x15, x16, x17) :|: x12 - 1 + x12 = x17 && x12 = x16 && x12 - 1 = x15 && x12 = x13 && 0 <= x14 - 1 (5) __init(x18, x19, x20) -> f1_0_main_Load(x21, x22, x23) :|: 0 <= 0 Arcs: (1) -> (2), (3), (4) (2) -> (2), (4) (3) -> (3), (4) (4) -> (3) (5) -> (1) This digraph is fully evaluated! ---------------------------------------- (4) Complex Obligation (AND) ---------------------------------------- (5) Obligation: Termination digraph: Nodes: (1) f306_0_main_LE(x, x1, x2) -> f306_0_main_LE(x3, x4, x5) :|: x - 1 + x1 = x5 && x1 = x4 && x - 1 = x3 && x1 <= x - 1 && 0 <= x2 - 1 Arcs: (1) -> (1) This digraph is fully evaluated! ---------------------------------------- (6) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (7) Obligation: Rules: f306_0_main_LE(x:0, x1:0, x2:0) -> f306_0_main_LE(x:0 - 1, x1:0, x:0 - 1 + x1:0) :|: x2:0 > 0 && x:0 - 1 >= x1:0 ---------------------------------------- (8) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f306_0_main_LE(INTEGER, INTEGER, INTEGER) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (9) Obligation: Rules: f306_0_main_LE(x:0, x1:0, x2:0) -> f306_0_main_LE(c, x1:0, c1) :|: c1 = x:0 - 1 + x1:0 && c = x:0 - 1 && (x2:0 > 0 && x:0 - 1 >= x1:0) ---------------------------------------- (10) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f306_0_main_LE(x, x1, x2)] = x - x1 The following rules are decreasing: f306_0_main_LE(x:0, x1:0, x2:0) -> f306_0_main_LE(c, x1:0, c1) :|: c1 = x:0 - 1 + x1:0 && c = x:0 - 1 && (x2:0 > 0 && x:0 - 1 >= x1:0) The following rules are bounded: f306_0_main_LE(x:0, x1:0, x2:0) -> f306_0_main_LE(c, x1:0, c1) :|: c1 = x:0 - 1 + x1:0 && c = x:0 - 1 && (x2:0 > 0 && x:0 - 1 >= x1:0) ---------------------------------------- (11) YES ---------------------------------------- (12) Obligation: Termination digraph: Nodes: (1) f306_0_main_LE(x12, x13, x14) -> f306_0_main_LE(x15, x16, x17) :|: x12 - 1 + x12 = x17 && x12 = x16 && x12 - 1 = x15 && x12 = x13 && 0 <= x14 - 1 (2) f306_0_main_LE(x6, x7, x8) -> f306_0_main_LE(x9, x10, x11) :|: x6 + x7 - 1 = x11 && x7 - 1 = x10 && x6 = x9 && x6 <= x7 - 1 && 0 <= x8 - 1 Arcs: (1) -> (2) (2) -> (1), (2) This digraph is fully evaluated! ---------------------------------------- (13) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (14) Obligation: Rules: f306_0_main_LE(x12:0, x12:0, x14:0) -> f306_0_main_LE(x12:0 - 1, x12:0, x12:0 - 1 + x12:0) :|: x14:0 > 0 f306_0_main_LE(x6:0, x7:0, x8:0) -> f306_0_main_LE(x6:0, x7:0 - 1, x6:0 + x7:0 - 1) :|: x8:0 > 0 && x7:0 - 1 >= x6:0 ---------------------------------------- (15) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f306_0_main_LE(VARIABLE, VARIABLE, INTEGER) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (16) Obligation: Rules: f306_0_main_LE(x12:0, x12:0, x14:0) -> f306_0_main_LE(c, x12:0, c1) :|: c1 = x12:0 - 1 + x12:0 && c = x12:0 - 1 && x14:0 > 0 f306_0_main_LE(x6:0, x7:0, x8:0) -> f306_0_main_LE(x6:0, c2, c3) :|: c3 = x6:0 + x7:0 - 1 && c2 = x7:0 - 1 && (x8:0 > 0 && x7:0 - 1 >= x6:0) ---------------------------------------- (17) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f306_0_main_LE(x, x1, x2)] = -x + x^2 - x1 + x1^2 + x2 The following rules are decreasing: f306_0_main_LE(x6:0, x7:0, x8:0) -> f306_0_main_LE(x6:0, c2, c3) :|: c3 = x6:0 + x7:0 - 1 && c2 = x7:0 - 1 && (x8:0 > 0 && x7:0 - 1 >= x6:0) The following rules are bounded: f306_0_main_LE(x6:0, x7:0, x8:0) -> f306_0_main_LE(x6:0, c2, c3) :|: c3 = x6:0 + x7:0 - 1 && c2 = x7:0 - 1 && (x8:0 > 0 && x7:0 - 1 >= x6:0) ---------------------------------------- (18) Obligation: Rules: f306_0_main_LE(x12:0, x12:0, x14:0) -> f306_0_main_LE(c, x12:0, c1) :|: c1 = x12:0 - 1 + x12:0 && c = x12:0 - 1 && x14:0 > 0 ---------------------------------------- (19) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f306_0_main_LE(x, x1, x2)] = x - x1 The following rules are decreasing: f306_0_main_LE(x12:0, x12:0, x14:0) -> f306_0_main_LE(c, x12:0, c1) :|: c1 = x12:0 - 1 + x12:0 && c = x12:0 - 1 && x14:0 > 0 The following rules are bounded: f306_0_main_LE(x12:0, x12:0, x14:0) -> f306_0_main_LE(c, x12:0, c1) :|: c1 = x12:0 - 1 + x12:0 && c = x12:0 - 1 && x14:0 > 0 ---------------------------------------- (20) YES