YES proof of prog.inttrs # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Termination of the given IRSwT could be proven: (0) IRSwT (1) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (2) IRSwT (3) IRSwTTerminationDigraphProof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, 135 ms] (4) AND (5) IRSwT (6) IntTRSCompressionProof [EQUIVALENT, 0 ms] (7) IRSwT (8) TempFilterProof [SOUND, 22 ms] (9) IntTRS (10) RankingReductionPairProof [EQUIVALENT, 7 ms] (11) YES (12) IRSwT (13) IntTRSCompressionProof [EQUIVALENT, 0 ms] (14) IRSwT (15) TempFilterProof [SOUND, 18 ms] (16) IntTRS (17) PolynomialOrderProcessor [EQUIVALENT, 4 ms] (18) YES ---------------------------------------- (0) Obligation: Rules: f1_0_main_Load(arg1, arg2) -> f145_0_main_EQ(arg1P, arg2P) :|: 0 <= arg1 - 1 && -1 <= arg1P - 1 && -1 <= arg2 - 1 && -1 <= arg2P - 1 f145_0_main_EQ(x, x1) -> f145_0_main_EQ(x2, x3) :|: x1 = x3 && x + 1 = x2 && x <= x1 - 1 f145_0_main_EQ(x4, x5) -> f145_0_main_EQ(x6, x7) :|: x5 + 1 = x7 && x4 = x6 && x5 <= x4 - 1 __init(x8, x9) -> f1_0_main_Load(x10, x11) :|: 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) -> f145_0_main_EQ(arg1P, arg2P) :|: 0 <= arg1 - 1 && -1 <= arg1P - 1 && -1 <= arg2 - 1 && -1 <= arg2P - 1 f145_0_main_EQ(x, x1) -> f145_0_main_EQ(x2, x3) :|: x1 = x3 && x + 1 = x2 && x <= x1 - 1 f145_0_main_EQ(x4, x5) -> f145_0_main_EQ(x6, x7) :|: x5 + 1 = x7 && x4 = x6 && x5 <= x4 - 1 __init(x8, x9) -> f1_0_main_Load(x10, x11) :|: 0 <= 0 Start term: __init(arg1, arg2) ---------------------------------------- (3) IRSwTTerminationDigraphProof (EQUIVALENT) Constructed termination digraph! Nodes: (1) f1_0_main_Load(arg1, arg2) -> f145_0_main_EQ(arg1P, arg2P) :|: 0 <= arg1 - 1 && -1 <= arg1P - 1 && -1 <= arg2 - 1 && -1 <= arg2P - 1 (2) f145_0_main_EQ(x, x1) -> f145_0_main_EQ(x2, x3) :|: x1 = x3 && x + 1 = x2 && x <= x1 - 1 (3) f145_0_main_EQ(x4, x5) -> f145_0_main_EQ(x6, x7) :|: x5 + 1 = x7 && x4 = x6 && x5 <= x4 - 1 (4) __init(x8, x9) -> f1_0_main_Load(x10, x11) :|: 0 <= 0 Arcs: (1) -> (2), (3) (2) -> (2) (3) -> (3) (4) -> (1) This digraph is fully evaluated! ---------------------------------------- (4) Complex Obligation (AND) ---------------------------------------- (5) Obligation: Termination digraph: Nodes: (1) f145_0_main_EQ(x4, x5) -> f145_0_main_EQ(x6, x7) :|: x5 + 1 = x7 && x4 = x6 && x5 <= x4 - 1 Arcs: (1) -> (1) This digraph is fully evaluated! ---------------------------------------- (6) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (7) Obligation: Rules: f145_0_main_EQ(x4:0, x5:0) -> f145_0_main_EQ(x4:0, x5:0 + 1) :|: x5:0 <= x4:0 - 1 ---------------------------------------- (8) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f145_0_main_EQ(INTEGER, INTEGER) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (9) Obligation: Rules: f145_0_main_EQ(x4:0, x5:0) -> f145_0_main_EQ(x4:0, c) :|: c = x5:0 + 1 && x5:0 <= x4:0 - 1 ---------------------------------------- (10) RankingReductionPairProof (EQUIVALENT) Interpretation: [ f145_0_main_EQ ] = -1*f145_0_main_EQ_2 + f145_0_main_EQ_1 The following rules are decreasing: f145_0_main_EQ(x4:0, x5:0) -> f145_0_main_EQ(x4:0, c) :|: c = x5:0 + 1 && x5:0 <= x4:0 - 1 The following rules are bounded: f145_0_main_EQ(x4:0, x5:0) -> f145_0_main_EQ(x4:0, c) :|: c = x5:0 + 1 && x5:0 <= x4:0 - 1 ---------------------------------------- (11) YES ---------------------------------------- (12) Obligation: Termination digraph: Nodes: (1) f145_0_main_EQ(x, x1) -> f145_0_main_EQ(x2, x3) :|: x1 = x3 && x + 1 = x2 && x <= x1 - 1 Arcs: (1) -> (1) This digraph is fully evaluated! ---------------------------------------- (13) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (14) Obligation: Rules: f145_0_main_EQ(x:0, x1:0) -> f145_0_main_EQ(x:0 + 1, x1:0) :|: x:0 <= x1:0 - 1 ---------------------------------------- (15) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f145_0_main_EQ(INTEGER, INTEGER) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (16) Obligation: Rules: f145_0_main_EQ(x:0, x1:0) -> f145_0_main_EQ(c, x1:0) :|: c = x:0 + 1 && x:0 <= x1:0 - 1 ---------------------------------------- (17) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f145_0_main_EQ(x, x1)] = -x + x1 The following rules are decreasing: f145_0_main_EQ(x:0, x1:0) -> f145_0_main_EQ(c, x1:0) :|: c = x:0 + 1 && x:0 <= x1:0 - 1 The following rules are bounded: f145_0_main_EQ(x:0, x1:0) -> f145_0_main_EQ(c, x1:0) :|: c = x:0 + 1 && x:0 <= x1:0 - 1 ---------------------------------------- (18) YES