YES proof of prog.inttrs # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Termination of the given IRSwT could be proven: (0) IRSwT (1) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (2) IRSwT (3) IRSwTTerminationDigraphProof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, 72 ms] (4) AND (5) IRSwT (6) IntTRSCompressionProof [EQUIVALENT, 7 ms] (7) IRSwT (8) TempFilterProof [SOUND, 34 ms] (9) IntTRS (10) PolynomialOrderProcessor [EQUIVALENT, 13 ms] (11) YES (12) IRSwT (13) IntTRSCompressionProof [EQUIVALENT, 12 ms] (14) IRSwT (15) TempFilterProof [SOUND, 12 ms] (16) IntTRS (17) PolynomialOrderProcessor [EQUIVALENT, 0 ms] (18) YES ---------------------------------------- (0) Obligation: Rules: f1_0_main_ConstantStackPush(arg1) -> f46_0_main_GE(arg1P) :|: 0 = arg1P f46_0_main_GE(x) -> f46_0_main_GE(x1) :|: x + 1 = x1 && x <= 99 f46_0_main_GE(x2) -> f74_0_main_GE(x3) :|: 5 = x3 && 99 <= x2 - 1 f74_0_main_GE(x4) -> f74_0_main_GE(x5) :|: x4 + 3 = x5 && x4 <= 20 __init(x6) -> f1_0_main_ConstantStackPush(x7) :|: 0 <= 0 Start term: __init(arg1) ---------------------------------------- (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) -> f46_0_main_GE(arg1P) :|: 0 = arg1P f46_0_main_GE(x) -> f46_0_main_GE(x1) :|: x + 1 = x1 && x <= 99 f46_0_main_GE(x2) -> f74_0_main_GE(x3) :|: 5 = x3 && 99 <= x2 - 1 f74_0_main_GE(x4) -> f74_0_main_GE(x5) :|: x4 + 3 = x5 && x4 <= 20 __init(x6) -> f1_0_main_ConstantStackPush(x7) :|: 0 <= 0 Start term: __init(arg1) ---------------------------------------- (3) IRSwTTerminationDigraphProof (EQUIVALENT) Constructed termination digraph! Nodes: (1) f1_0_main_ConstantStackPush(arg1) -> f46_0_main_GE(arg1P) :|: 0 = arg1P (2) f46_0_main_GE(x) -> f46_0_main_GE(x1) :|: x + 1 = x1 && x <= 99 (3) f46_0_main_GE(x2) -> f74_0_main_GE(x3) :|: 5 = x3 && 99 <= x2 - 1 (4) f74_0_main_GE(x4) -> f74_0_main_GE(x5) :|: x4 + 3 = x5 && x4 <= 20 (5) __init(x6) -> f1_0_main_ConstantStackPush(x7) :|: 0 <= 0 Arcs: (1) -> (2) (2) -> (2), (3) (3) -> (4) (4) -> (4) (5) -> (1) This digraph is fully evaluated! ---------------------------------------- (4) Complex Obligation (AND) ---------------------------------------- (5) Obligation: Termination digraph: Nodes: (1) f46_0_main_GE(x) -> f46_0_main_GE(x1) :|: x + 1 = x1 && x <= 99 Arcs: (1) -> (1) This digraph is fully evaluated! ---------------------------------------- (6) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (7) Obligation: Rules: f46_0_main_GE(x:0) -> f46_0_main_GE(x:0 + 1) :|: x:0 < 100 ---------------------------------------- (8) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f46_0_main_GE(INTEGER) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (9) Obligation: Rules: f46_0_main_GE(x:0) -> f46_0_main_GE(c) :|: c = x:0 + 1 && x:0 < 100 ---------------------------------------- (10) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f46_0_main_GE(x)] = 99 - x The following rules are decreasing: f46_0_main_GE(x:0) -> f46_0_main_GE(c) :|: c = x:0 + 1 && x:0 < 100 The following rules are bounded: f46_0_main_GE(x:0) -> f46_0_main_GE(c) :|: c = x:0 + 1 && x:0 < 100 ---------------------------------------- (11) YES ---------------------------------------- (12) Obligation: Termination digraph: Nodes: (1) f74_0_main_GE(x4) -> f74_0_main_GE(x5) :|: x4 + 3 = x5 && x4 <= 20 Arcs: (1) -> (1) This digraph is fully evaluated! ---------------------------------------- (13) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (14) Obligation: Rules: f74_0_main_GE(x4:0) -> f74_0_main_GE(x4:0 + 3) :|: x4:0 < 21 ---------------------------------------- (15) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f74_0_main_GE(INTEGER) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (16) Obligation: Rules: f74_0_main_GE(x4:0) -> f74_0_main_GE(c) :|: c = x4:0 + 3 && x4:0 < 21 ---------------------------------------- (17) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f74_0_main_GE(x)] = 20 - x The following rules are decreasing: f74_0_main_GE(x4:0) -> f74_0_main_GE(c) :|: c = x4:0 + 3 && x4:0 < 21 The following rules are bounded: f74_0_main_GE(x4:0) -> f74_0_main_GE(c) :|: c = x4:0 + 3 && x4:0 < 21 ---------------------------------------- (18) YES