YES proof of prog.inttrs # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Termination of the given IRSwT could be proven: (0) IRSwT (1) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (2) IRSwT (3) IRSwTTerminationDigraphProof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, 7 ms] (6) IRSwT (7) TempFilterProof [SOUND, 16 ms] (8) IntTRS (9) PolynomialOrderProcessor [EQUIVALENT, 0 ms] (10) YES ---------------------------------------- (0) Obligation: Rules: f1_0_main_Load(arg1, arg2, arg3) -> f224_0_main_LT(arg1P, arg2P, arg3P) :|: 0 <= arg1 - 1 && -1 <= arg2P - 1 && -1 <= arg3P - 1 && 0 <= arg1P - 1 && -1 <= arg2 - 1 f224_0_main_LT(x, x1, x2) -> f224_0_main_LT(x3, x4, x5) :|: x2 + x = x5 && x1 = x4 && x = x3 && 0 <= x - 1 && -1 <= x2 - 1 && x2 <= x1 __init(x6, x7, x8) -> f1_0_main_Load(x9, x10, x11) :|: 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) -> f224_0_main_LT(arg1P, arg2P, arg3P) :|: 0 <= arg1 - 1 && -1 <= arg2P - 1 && -1 <= arg3P - 1 && 0 <= arg1P - 1 && -1 <= arg2 - 1 f224_0_main_LT(x, x1, x2) -> f224_0_main_LT(x3, x4, x5) :|: x2 + x = x5 && x1 = x4 && x = x3 && 0 <= x - 1 && -1 <= x2 - 1 && x2 <= x1 __init(x6, x7, x8) -> f1_0_main_Load(x9, x10, x11) :|: 0 <= 0 Start term: __init(arg1, arg2, arg3) ---------------------------------------- (3) IRSwTTerminationDigraphProof (EQUIVALENT) Constructed termination digraph! Nodes: (1) f1_0_main_Load(arg1, arg2, arg3) -> f224_0_main_LT(arg1P, arg2P, arg3P) :|: 0 <= arg1 - 1 && -1 <= arg2P - 1 && -1 <= arg3P - 1 && 0 <= arg1P - 1 && -1 <= arg2 - 1 (2) f224_0_main_LT(x, x1, x2) -> f224_0_main_LT(x3, x4, x5) :|: x2 + x = x5 && x1 = x4 && x = x3 && 0 <= x - 1 && -1 <= x2 - 1 && x2 <= x1 (3) __init(x6, x7, x8) -> f1_0_main_Load(x9, x10, x11) :|: 0 <= 0 Arcs: (1) -> (2) (2) -> (2) (3) -> (1) This digraph is fully evaluated! ---------------------------------------- (4) Obligation: Termination digraph: Nodes: (1) f224_0_main_LT(x, x1, x2) -> f224_0_main_LT(x3, x4, x5) :|: x2 + x = x5 && x1 = x4 && x = x3 && 0 <= x - 1 && -1 <= x2 - 1 && x2 <= x1 Arcs: (1) -> (1) This digraph is fully evaluated! ---------------------------------------- (5) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (6) Obligation: Rules: f224_0_main_LT(x3:0, x1:0, x2:0) -> f224_0_main_LT(x3:0, x1:0, x2:0 + x3:0) :|: x2:0 > -1 && x3:0 > 0 && x2:0 <= x1:0 ---------------------------------------- (7) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f224_0_main_LT(INTEGER, INTEGER, INTEGER) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (8) Obligation: Rules: f224_0_main_LT(x3:0, x1:0, x2:0) -> f224_0_main_LT(x3:0, x1:0, c) :|: c = x2:0 + x3:0 && (x2:0 > -1 && x3:0 > 0 && x2:0 <= x1:0) ---------------------------------------- (9) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f224_0_main_LT(x, x1, x2)] = x1 - x2 The following rules are decreasing: f224_0_main_LT(x3:0, x1:0, x2:0) -> f224_0_main_LT(x3:0, x1:0, c) :|: c = x2:0 + x3:0 && (x2:0 > -1 && x3:0 > 0 && x2:0 <= x1:0) The following rules are bounded: f224_0_main_LT(x3:0, x1:0, x2:0) -> f224_0_main_LT(x3:0, x1:0, c) :|: c = x2:0 + x3:0 && (x2:0 > -1 && x3:0 > 0 && x2:0 <= x1:0) ---------------------------------------- (10) YES