YES proof of prog.inttrs # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Termination of the given IRSwT could be proven: (0) IRSwT (1) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (2) IRSwT (3) IRSwTTerminationDigraphProof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, 339 ms] (4) AND (5) IRSwT (6) IntTRSCompressionProof [EQUIVALENT, 25 ms] (7) IRSwT (8) TempFilterProof [SOUND, 14 ms] (9) IntTRS (10) PolynomialOrderProcessor [EQUIVALENT, 0 ms] (11) YES (12) IRSwT (13) IntTRSCompressionProof [EQUIVALENT, 8 ms] (14) IRSwT (15) TempFilterProof [SOUND, 51 ms] (16) IntTRS (17) PolynomialOrderProcessor [EQUIVALENT, 3 ms] (18) YES ---------------------------------------- (0) Obligation: Rules: f1_0_main_Load(arg1, arg2, arg3, arg4) -> f563_0_mk_LE(arg1P, arg2P, arg3P, arg4P) :|: 0 = arg4P && 0 = arg3P && 0 = arg2P && -1 = arg1P && 0 = arg2 && 0 <= arg1 - 1 f1_0_main_Load(x, x1, x2, x4) -> f563_0_mk_LE(x5, x6, x7, x8) :|: -1 <= x9 - 1 && 0 <= x1 - 1 && 0 <= x - 1 && 3 * x9 - 1 = x5 && 3 * x9 = x6 && x1 = x7 && 1 = x8 f563_0_mk_LE(x10, x11, x12, x13) -> f563_0_mk_LE(x14, x15, x16, x17) :|: x13 = x17 && x12 = x16 && x10 = x15 && x10 - 1 = x14 && -1 <= x12 - 1 && x12 <= x13 && 0 <= x11 - 1 f563_0_mk_LE(x18, x19, x20, x21) -> f563_0_mk_LE(x22, x23, x24, x25) :|: x21 + 1 = x25 && x20 = x24 && x18 = x23 && x18 - 1 = x22 && x21 <= x20 - 1 && -1 <= x21 - 1 && -1 <= x20 - 1 && 0 <= x19 - 1 __init(x26, x27, x28, x29) -> f1_0_main_Load(x30, x31, x32, x33) :|: 0 <= 0 Start term: __init(arg1, arg2, arg3, arg4) ---------------------------------------- (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, arg4) -> f563_0_mk_LE(arg1P, arg2P, arg3P, arg4P) :|: 0 = arg4P && 0 = arg3P && 0 = arg2P && -1 = arg1P && 0 = arg2 && 0 <= arg1 - 1 f1_0_main_Load(x, x1, x2, x4) -> f563_0_mk_LE(x5, x6, x7, x8) :|: -1 <= x9 - 1 && 0 <= x1 - 1 && 0 <= x - 1 && 3 * x9 - 1 = x5 && 3 * x9 = x6 && x1 = x7 && 1 = x8 f563_0_mk_LE(x10, x11, x12, x13) -> f563_0_mk_LE(x14, x15, x16, x17) :|: x13 = x17 && x12 = x16 && x10 = x15 && x10 - 1 = x14 && -1 <= x12 - 1 && x12 <= x13 && 0 <= x11 - 1 f563_0_mk_LE(x18, x19, x20, x21) -> f563_0_mk_LE(x22, x23, x24, x25) :|: x21 + 1 = x25 && x20 = x24 && x18 = x23 && x18 - 1 = x22 && x21 <= x20 - 1 && -1 <= x21 - 1 && -1 <= x20 - 1 && 0 <= x19 - 1 __init(x26, x27, x28, x29) -> f1_0_main_Load(x30, x31, x32, x33) :|: 0 <= 0 Start term: __init(arg1, arg2, arg3, arg4) ---------------------------------------- (3) IRSwTTerminationDigraphProof (EQUIVALENT) Constructed termination digraph! Nodes: (1) f1_0_main_Load(arg1, arg2, arg3, arg4) -> f563_0_mk_LE(arg1P, arg2P, arg3P, arg4P) :|: 0 = arg4P && 0 = arg3P && 0 = arg2P && -1 = arg1P && 0 = arg2 && 0 <= arg1 - 1 (2) f1_0_main_Load(x, x1, x2, x4) -> f563_0_mk_LE(x5, x6, x7, x8) :|: -1 <= x9 - 1 && 0 <= x1 - 1 && 0 <= x - 1 && 3 * x9 - 1 = x5 && 3 * x9 = x6 && x1 = x7 && 1 = x8 (3) f563_0_mk_LE(x10, x11, x12, x13) -> f563_0_mk_LE(x14, x15, x16, x17) :|: x13 = x17 && x12 = x16 && x10 = x15 && x10 - 1 = x14 && -1 <= x12 - 1 && x12 <= x13 && 0 <= x11 - 1 (4) f563_0_mk_LE(x18, x19, x20, x21) -> f563_0_mk_LE(x22, x23, x24, x25) :|: x21 + 1 = x25 && x20 = x24 && x18 = x23 && x18 - 1 = x22 && x21 <= x20 - 1 && -1 <= x21 - 1 && -1 <= x20 - 1 && 0 <= x19 - 1 (5) __init(x26, x27, x28, x29) -> f1_0_main_Load(x30, x31, x32, x33) :|: 0 <= 0 Arcs: (2) -> (3), (4) (3) -> (3) (4) -> (3), (4) (5) -> (1), (2) This digraph is fully evaluated! ---------------------------------------- (4) Complex Obligation (AND) ---------------------------------------- (5) Obligation: Termination digraph: Nodes: (1) f563_0_mk_LE(x18, x19, x20, x21) -> f563_0_mk_LE(x22, x23, x24, x25) :|: x21 + 1 = x25 && x20 = x24 && x18 = x23 && x18 - 1 = x22 && x21 <= x20 - 1 && -1 <= x21 - 1 && -1 <= x20 - 1 && 0 <= x19 - 1 Arcs: (1) -> (1) This digraph is fully evaluated! ---------------------------------------- (6) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (7) Obligation: Rules: f563_0_mk_LE(x18:0, x19:0, x20:0, x21:0) -> f563_0_mk_LE(x18:0 - 1, x18:0, x20:0, x21:0 + 1) :|: x20:0 > -1 && x19:0 > 0 && x21:0 <= x20:0 - 1 && x21:0 > -1 ---------------------------------------- (8) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f563_0_mk_LE(VARIABLE, VARIABLE, INTEGER, INTEGER) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (9) Obligation: Rules: f563_0_mk_LE(x18:0, x19:0, x20:0, x21:0) -> f563_0_mk_LE(c, x18:0, x20:0, c1) :|: c1 = x21:0 + 1 && c = x18:0 - 1 && (x20:0 > -1 && x19:0 > 0 && x21:0 <= x20:0 - 1 && x21:0 > -1) ---------------------------------------- (10) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f563_0_mk_LE(x, x1, x2, x3)] = x2 - x3 The following rules are decreasing: f563_0_mk_LE(x18:0, x19:0, x20:0, x21:0) -> f563_0_mk_LE(c, x18:0, x20:0, c1) :|: c1 = x21:0 + 1 && c = x18:0 - 1 && (x20:0 > -1 && x19:0 > 0 && x21:0 <= x20:0 - 1 && x21:0 > -1) The following rules are bounded: f563_0_mk_LE(x18:0, x19:0, x20:0, x21:0) -> f563_0_mk_LE(c, x18:0, x20:0, c1) :|: c1 = x21:0 + 1 && c = x18:0 - 1 && (x20:0 > -1 && x19:0 > 0 && x21:0 <= x20:0 - 1 && x21:0 > -1) ---------------------------------------- (11) YES ---------------------------------------- (12) Obligation: Termination digraph: Nodes: (1) f563_0_mk_LE(x10, x11, x12, x13) -> f563_0_mk_LE(x14, x15, x16, x17) :|: x13 = x17 && x12 = x16 && x10 = x15 && x10 - 1 = x14 && -1 <= x12 - 1 && x12 <= x13 && 0 <= x11 - 1 Arcs: (1) -> (1) This digraph is fully evaluated! ---------------------------------------- (13) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (14) Obligation: Rules: f563_0_mk_LE(x10:0, x11:0, x12:0, x13:0) -> f563_0_mk_LE(x10:0 - 1, x10:0, x12:0, x13:0) :|: x13:0 >= x12:0 && x12:0 > -1 && x11:0 > 0 ---------------------------------------- (15) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f563_0_mk_LE(VARIABLE, VARIABLE, INTEGER, INTEGER) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (16) Obligation: Rules: f563_0_mk_LE(x10:0, x11:0, x12:0, x13:0) -> f563_0_mk_LE(c, x10:0, x12:0, x13:0) :|: c = x10:0 - 1 && (x13:0 >= x12:0 && x12:0 > -1 && x11:0 > 0) ---------------------------------------- (17) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f563_0_mk_LE(x, x1, x2, x3)] = x^2 + 2*x1 The following rules are decreasing: f563_0_mk_LE(x10:0, x11:0, x12:0, x13:0) -> f563_0_mk_LE(c, x10:0, x12:0, x13:0) :|: c = x10:0 - 1 && (x13:0 >= x12:0 && x12:0 > -1 && x11:0 > 0) The following rules are bounded: f563_0_mk_LE(x10:0, x11:0, x12:0, x13:0) -> f563_0_mk_LE(c, x10:0, x12:0, x13:0) :|: c = x10:0 - 1 && (x13:0 >= x12:0 && x12:0 > -1 && x11:0 > 0) ---------------------------------------- (18) YES