YES proof of prog.inttrs # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Termination of the given IRSwT could be proven: (0) IRSwT (1) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (2) IRSwT (3) IRSwTTerminationDigraphProof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, 127 ms] (4) IRSwT (5) IntTRSCompressionProof [EQUIVALENT, 0 ms] (6) IRSwT (7) TempFilterProof [SOUND, 36 ms] (8) IntTRS (9) PolynomialOrderProcessor [EQUIVALENT, 12 ms] (10) IntTRS (11) PolynomialOrderProcessor [EQUIVALENT, 0 ms] (12) YES ---------------------------------------- (0) Obligation: Rules: f1_0_main_ConstantStackPush(arg1, arg2) -> f139_0_main_GE(arg1P, arg2P) :|: 0 = arg1P f139_0_main_GE(x, x1) -> f169_0_main_GE(x2, x3) :|: 3 = x3 && x = x2 && x <= 9 f169_0_main_GE(x4, x5) -> f139_0_main_GE(x6, x7) :|: x4 + 1 = x6 && 11 <= x5 - 1 f169_0_main_GE(x8, x9) -> f169_0_main_GE(x10, x11) :|: x9 + 1 = x11 && x8 = x10 && x9 <= 11 __init(x12, x13) -> f1_0_main_ConstantStackPush(x14, x15) :|: 0 <= 0 Start term: __init(arg1, arg2) ---------------------------------------- (1) IRSFormatTransformerProof (EQUIVALENT) Reformatted IRS to match normalized format (transformed away non-linear left-hand sides, !=, / and %). ---------------------------------------- (2) Obligation: Rules: f1_0_main_ConstantStackPush(arg1, arg2) -> f139_0_main_GE(arg1P, arg2P) :|: 0 = arg1P f139_0_main_GE(x, x1) -> f169_0_main_GE(x2, x3) :|: 3 = x3 && x = x2 && x <= 9 f169_0_main_GE(x4, x5) -> f139_0_main_GE(x6, x7) :|: x4 + 1 = x6 && 11 <= x5 - 1 f169_0_main_GE(x8, x9) -> f169_0_main_GE(x10, x11) :|: x9 + 1 = x11 && x8 = x10 && x9 <= 11 __init(x12, x13) -> f1_0_main_ConstantStackPush(x14, x15) :|: 0 <= 0 Start term: __init(arg1, arg2) ---------------------------------------- (3) IRSwTTerminationDigraphProof (EQUIVALENT) Constructed termination digraph! Nodes: (1) f1_0_main_ConstantStackPush(arg1, arg2) -> f139_0_main_GE(arg1P, arg2P) :|: 0 = arg1P (2) f139_0_main_GE(x, x1) -> f169_0_main_GE(x2, x3) :|: 3 = x3 && x = x2 && x <= 9 (3) f169_0_main_GE(x4, x5) -> f139_0_main_GE(x6, x7) :|: x4 + 1 = x6 && 11 <= x5 - 1 (4) f169_0_main_GE(x8, x9) -> f169_0_main_GE(x10, x11) :|: x9 + 1 = x11 && x8 = x10 && x9 <= 11 (5) __init(x12, x13) -> f1_0_main_ConstantStackPush(x14, x15) :|: 0 <= 0 Arcs: (1) -> (2) (2) -> (4) (3) -> (2) (4) -> (3), (4) (5) -> (1) This digraph is fully evaluated! ---------------------------------------- (4) Obligation: Termination digraph: Nodes: (1) f139_0_main_GE(x, x1) -> f169_0_main_GE(x2, x3) :|: 3 = x3 && x = x2 && x <= 9 (2) f169_0_main_GE(x4, x5) -> f139_0_main_GE(x6, x7) :|: x4 + 1 = x6 && 11 <= x5 - 1 (3) f169_0_main_GE(x8, x9) -> f169_0_main_GE(x10, x11) :|: x9 + 1 = x11 && x8 = x10 && x9 <= 11 Arcs: (1) -> (3) (2) -> (1) (3) -> (2), (3) This digraph is fully evaluated! ---------------------------------------- (5) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (6) Obligation: Rules: f169_0_main_GE(x10:0, x9:0) -> f169_0_main_GE(x10:0, x9:0 + 1) :|: x9:0 < 12 f169_0_main_GE(x4:0, x5:0) -> f169_0_main_GE(x4:0 + 1, 3) :|: x5:0 > 11 && x4:0 < 9 ---------------------------------------- (7) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f169_0_main_GE(VARIABLE, VARIABLE) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (8) Obligation: Rules: f169_0_main_GE(x10:0, x9:0) -> f169_0_main_GE(x10:0, c) :|: c = x9:0 + 1 && x9:0 < 12 f169_0_main_GE(x4:0, x5:0) -> f169_0_main_GE(c1, c2) :|: c2 = 3 && c1 = x4:0 + 1 && (x5:0 > 11 && x4:0 < 9) ---------------------------------------- (9) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f169_0_main_GE(x, x1)] = 8 - x The following rules are decreasing: f169_0_main_GE(x4:0, x5:0) -> f169_0_main_GE(c1, c2) :|: c2 = 3 && c1 = x4:0 + 1 && (x5:0 > 11 && x4:0 < 9) The following rules are bounded: f169_0_main_GE(x4:0, x5:0) -> f169_0_main_GE(c1, c2) :|: c2 = 3 && c1 = x4:0 + 1 && (x5:0 > 11 && x4:0 < 9) ---------------------------------------- (10) Obligation: Rules: f169_0_main_GE(x10:0, x9:0) -> f169_0_main_GE(x10:0, c) :|: c = x9:0 + 1 && x9:0 < 12 ---------------------------------------- (11) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f169_0_main_GE(x, x1)] = 11 - x1 The following rules are decreasing: f169_0_main_GE(x10:0, x9:0) -> f169_0_main_GE(x10:0, c) :|: c = x9:0 + 1 && x9:0 < 12 The following rules are bounded: f169_0_main_GE(x10:0, x9:0) -> f169_0_main_GE(x10:0, c) :|: c = x9:0 + 1 && x9:0 < 12 ---------------------------------------- (12) YES