YES proof of prog.inttrs # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Termination of the given IRSwT could be proven: (0) IRSwT (1) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (2) IRSwT (3) IRSwTTerminationDigraphProof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, 82 ms] (4) IRSwT (5) IntTRSCompressionProof [EQUIVALENT, 29 ms] (6) IRSwT (7) TempFilterProof [SOUND, 15 ms] (8) IntTRS (9) PolynomialOrderProcessor [EQUIVALENT, 0 ms] (10) YES ---------------------------------------- (0) Obligation: Rules: f1_0_main_Load(arg1, arg2) -> f142_0_main_LE(arg1P, arg2P) :|: 0 <= arg1 - 1 && -1 <= arg2P - 1 && -1 <= arg2 - 1 && -1 <= arg1P - 1 f142_0_main_LE(x, x1) -> f142_0_main_LE(x2, x3) :|: x1 - 1 = x3 && x - 1 = x2 && 0 <= x - 1 && 0 <= x1 - 1 __init(x4, x5) -> f1_0_main_Load(x6, x7) :|: 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_Load(arg1, arg2) -> f142_0_main_LE(arg1P, arg2P) :|: 0 <= arg1 - 1 && -1 <= arg2P - 1 && -1 <= arg2 - 1 && -1 <= arg1P - 1 f142_0_main_LE(x, x1) -> f142_0_main_LE(x2, x3) :|: x1 - 1 = x3 && x - 1 = x2 && 0 <= x - 1 && 0 <= x1 - 1 __init(x4, x5) -> f1_0_main_Load(x6, x7) :|: 0 <= 0 Start term: __init(arg1, arg2) ---------------------------------------- (3) IRSwTTerminationDigraphProof (EQUIVALENT) Constructed termination digraph! Nodes: (1) f1_0_main_Load(arg1, arg2) -> f142_0_main_LE(arg1P, arg2P) :|: 0 <= arg1 - 1 && -1 <= arg2P - 1 && -1 <= arg2 - 1 && -1 <= arg1P - 1 (2) f142_0_main_LE(x, x1) -> f142_0_main_LE(x2, x3) :|: x1 - 1 = x3 && x - 1 = x2 && 0 <= x - 1 && 0 <= x1 - 1 (3) __init(x4, x5) -> f1_0_main_Load(x6, x7) :|: 0 <= 0 Arcs: (1) -> (2) (2) -> (2) (3) -> (1) This digraph is fully evaluated! ---------------------------------------- (4) Obligation: Termination digraph: Nodes: (1) f142_0_main_LE(x, x1) -> f142_0_main_LE(x2, x3) :|: x1 - 1 = x3 && x - 1 = x2 && 0 <= x - 1 && 0 <= x1 - 1 Arcs: (1) -> (1) This digraph is fully evaluated! ---------------------------------------- (5) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (6) Obligation: Rules: f142_0_main_LE(x:0, x1:0) -> f142_0_main_LE(x:0 - 1, x1:0 - 1) :|: x1:0 > 0 && x:0 > 0 ---------------------------------------- (7) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f142_0_main_LE(INTEGER, INTEGER) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (8) Obligation: Rules: f142_0_main_LE(x:0, x1:0) -> f142_0_main_LE(c, c1) :|: c1 = x1:0 - 1 && c = x:0 - 1 && (x1:0 > 0 && x:0 > 0) ---------------------------------------- (9) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f142_0_main_LE(x, x1)] = x1 The following rules are decreasing: f142_0_main_LE(x:0, x1:0) -> f142_0_main_LE(c, c1) :|: c1 = x1:0 - 1 && c = x:0 - 1 && (x1:0 > 0 && x:0 > 0) The following rules are bounded: f142_0_main_LE(x:0, x1:0) -> f142_0_main_LE(c, c1) :|: c1 = x1:0 - 1 && c = x:0 - 1 && (x1:0 > 0 && x:0 > 0) ---------------------------------------- (10) YES