YES proof of prog.inttrs # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Termination of the given IRSwT could be proven: (0) IRSwT (1) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (2) IRSwT (3) IRSwTTerminationDigraphProof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, 87 ms] (4) IRSwT (5) IntTRSCompressionProof [EQUIVALENT, 24 ms] (6) IRSwT (7) IRSwTChainingProof [EQUIVALENT, 0 ms] (8) IRSwT (9) IRSwTTerminationDigraphProof [EQUIVALENT, 0 ms] (10) IRSwT (11) IntTRSCompressionProof [EQUIVALENT, 0 ms] (12) IRSwT (13) TempFilterProof [SOUND, 5 ms] (14) IntTRS (15) PolynomialOrderProcessor [EQUIVALENT, 0 ms] (16) YES ---------------------------------------- (0) Obligation: Rules: f1_0_main_Load(arg1, arg2, arg3) -> f150_0_main_LT(arg1P, arg2P, arg3P) :|: arg1P + 1 = arg3P && 0 <= arg1 - 1 && -1 <= arg1P - 1 && -1 <= arg2 - 1 && -1 <= arg2P - 1 f150_0_main_LT(x, x1, x2) -> f150_0_main_LT(x3, x4, x5) :|: x + 2 = x5 && x1 = x4 && x + 1 = x3 && -2 <= x - 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) -> f150_0_main_LT(arg1P, arg2P, arg3P) :|: arg1P + 1 = arg3P && 0 <= arg1 - 1 && -1 <= arg1P - 1 && -1 <= arg2 - 1 && -1 <= arg2P - 1 f150_0_main_LT(x, x1, x2) -> f150_0_main_LT(x3, x4, x5) :|: x + 2 = x5 && x1 = x4 && x + 1 = x3 && -2 <= x - 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) -> f150_0_main_LT(arg1P, arg2P, arg3P) :|: arg1P + 1 = arg3P && 0 <= arg1 - 1 && -1 <= arg1P - 1 && -1 <= arg2 - 1 && -1 <= arg2P - 1 (2) f150_0_main_LT(x, x1, x2) -> f150_0_main_LT(x3, x4, x5) :|: x + 2 = x5 && x1 = x4 && x + 1 = x3 && -2 <= x - 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) f150_0_main_LT(x, x1, x2) -> f150_0_main_LT(x3, x4, x5) :|: x + 2 = x5 && x1 = x4 && x + 1 = x3 && -2 <= x - 1 && x2 <= x1 Arcs: (1) -> (1) This digraph is fully evaluated! ---------------------------------------- (5) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (6) Obligation: Rules: f150_0_main_LT(x:0, x1:0, x2:0) -> f150_0_main_LT(x:0 + 1, x1:0, x:0 + 2) :|: x2:0 <= x1:0 && x:0 > -2 ---------------------------------------- (7) IRSwTChainingProof (EQUIVALENT) Chaining! ---------------------------------------- (8) Obligation: Rules: f150_0_main_LT(x, x1, x2) -> f150_0_main_LT(x + 2, x1, x + 3) :|: TRUE && x2 + -1 * x1 <= 0 && x >= -1 && x + -1 * x1 <= -2 ---------------------------------------- (9) IRSwTTerminationDigraphProof (EQUIVALENT) Constructed termination digraph! Nodes: (1) f150_0_main_LT(x, x1, x2) -> f150_0_main_LT(x + 2, x1, x + 3) :|: TRUE && x2 + -1 * x1 <= 0 && x >= -1 && x + -1 * x1 <= -2 Arcs: (1) -> (1) This digraph is fully evaluated! ---------------------------------------- (10) Obligation: Termination digraph: Nodes: (1) f150_0_main_LT(x, x1, x2) -> f150_0_main_LT(x + 2, x1, x + 3) :|: TRUE && x2 + -1 * x1 <= 0 && x >= -1 && x + -1 * x1 <= -2 Arcs: (1) -> (1) This digraph is fully evaluated! ---------------------------------------- (11) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (12) Obligation: Rules: f150_0_main_LT(x:0, x1:0, x2:0) -> f150_0_main_LT(x:0 + 2, x1:0, x:0 + 3) :|: x:0 > -2 && x2:0 + -1 * x1:0 <= 0 && x:0 + -1 * x1:0 <= -2 ---------------------------------------- (13) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f150_0_main_LT(INTEGER, INTEGER, INTEGER) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (14) Obligation: Rules: f150_0_main_LT(x:0, x1:0, x2:0) -> f150_0_main_LT(c, x1:0, c1) :|: c1 = x:0 + 3 && c = x:0 + 2 && (x:0 > -2 && x2:0 + -1 * x1:0 <= 0 && x:0 + -1 * x1:0 <= -2) ---------------------------------------- (15) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f150_0_main_LT(x, x1, x2)] = -1 - x + x1 The following rules are decreasing: f150_0_main_LT(x:0, x1:0, x2:0) -> f150_0_main_LT(c, x1:0, c1) :|: c1 = x:0 + 3 && c = x:0 + 2 && (x:0 > -2 && x2:0 + -1 * x1:0 <= 0 && x:0 + -1 * x1:0 <= -2) The following rules are bounded: f150_0_main_LT(x:0, x1:0, x2:0) -> f150_0_main_LT(c, x1:0, c1) :|: c1 = x:0 + 3 && c = x:0 + 2 && (x:0 > -2 && x2:0 + -1 * x1:0 <= 0 && x:0 + -1 * x1:0 <= -2) ---------------------------------------- (16) YES