YES proof of prog.inttrs # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Termination of the given IRSwT could be proven: (0) IRSwT (1) IRSFormatTransformerProof [EQUIVALENT, 0 ms] (2) IRSwT (3) IRSwTTerminationDigraphProof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, 170 ms] (4) IRSwT (5) IntTRSCompressionProof [EQUIVALENT, 0 ms] (6) IRSwT (7) TempFilterProof [SOUND, 21 ms] (8) IntTRS (9) PolynomialOrderProcessor [EQUIVALENT, 0 ms] (10) YES ---------------------------------------- (0) Obligation: Rules: f1_0_main_Load(arg1, arg2, arg3, arg4) -> f193_0_count_GE(arg1P, arg2P, arg3P, arg4P) :|: 0 <= arg2P - 1 && 0 <= arg1P - 1 && 0 <= arg1 - 1 && -1 <= arg4P - 1 && -1 <= arg2 - 1 && -1 <= arg3P - 1 f193_0_count_GE(x, x1, x2, x3) -> f193_0_count_GE(x4, x5, x6, x7) :|: x3 + 1 = x7 && x2 = x6 && x3 + 2 <= x1 && x2 + 2 <= x && 0 <= x5 - 1 && 0 <= x4 - 1 && 0 <= x1 - 1 && 0 <= x - 1 && x5 - 1 <= x1 && x4 <= x && x3 <= x2 - 1 && -1 <= x3 - 1 __init(x8, x9, x10, x11) -> f1_0_main_Load(x12, x13, x14, x15) :|: 0 <= 0 Start term: __init(arg1, arg2, arg3, arg4) ---------------------------------------- (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, arg4) -> f193_0_count_GE(arg1P, arg2P, arg3P, arg4P) :|: 0 <= arg2P - 1 && 0 <= arg1P - 1 && 0 <= arg1 - 1 && -1 <= arg4P - 1 && -1 <= arg2 - 1 && -1 <= arg3P - 1 f193_0_count_GE(x, x1, x2, x3) -> f193_0_count_GE(x4, x5, x6, x7) :|: x3 + 1 = x7 && x2 = x6 && x3 + 2 <= x1 && x2 + 2 <= x && 0 <= x5 - 1 && 0 <= x4 - 1 && 0 <= x1 - 1 && 0 <= x - 1 && x5 - 1 <= x1 && x4 <= x && x3 <= x2 - 1 && -1 <= x3 - 1 __init(x8, x9, x10, x11) -> f1_0_main_Load(x12, x13, x14, x15) :|: 0 <= 0 Start term: __init(arg1, arg2, arg3, arg4) ---------------------------------------- (3) IRSwTTerminationDigraphProof (EQUIVALENT) Constructed termination digraph! Nodes: (1) f1_0_main_Load(arg1, arg2, arg3, arg4) -> f193_0_count_GE(arg1P, arg2P, arg3P, arg4P) :|: 0 <= arg2P - 1 && 0 <= arg1P - 1 && 0 <= arg1 - 1 && -1 <= arg4P - 1 && -1 <= arg2 - 1 && -1 <= arg3P - 1 (2) f193_0_count_GE(x, x1, x2, x3) -> f193_0_count_GE(x4, x5, x6, x7) :|: x3 + 1 = x7 && x2 = x6 && x3 + 2 <= x1 && x2 + 2 <= x && 0 <= x5 - 1 && 0 <= x4 - 1 && 0 <= x1 - 1 && 0 <= x - 1 && x5 - 1 <= x1 && x4 <= x && x3 <= x2 - 1 && -1 <= x3 - 1 (3) __init(x8, x9, x10, x11) -> f1_0_main_Load(x12, x13, x14, x15) :|: 0 <= 0 Arcs: (1) -> (2) (2) -> (2) (3) -> (1) This digraph is fully evaluated! ---------------------------------------- (4) Obligation: Termination digraph: Nodes: (1) f193_0_count_GE(x, x1, x2, x3) -> f193_0_count_GE(x4, x5, x6, x7) :|: x3 + 1 = x7 && x2 = x6 && x3 + 2 <= x1 && x2 + 2 <= x && 0 <= x5 - 1 && 0 <= x4 - 1 && 0 <= x1 - 1 && 0 <= x - 1 && x5 - 1 <= x1 && x4 <= x && x3 <= x2 - 1 && -1 <= x3 - 1 Arcs: (1) -> (1) This digraph is fully evaluated! ---------------------------------------- (5) IntTRSCompressionProof (EQUIVALENT) Compressed rules. ---------------------------------------- (6) Obligation: Rules: f193_0_count_GE(x:0, x1:0, x2:0, x3:0) -> f193_0_count_GE(x4:0, x5:0, x2:0, x3:0 + 1) :|: x3:0 <= x2:0 - 1 && x3:0 > -1 && x:0 >= x4:0 && x5:0 - 1 <= x1:0 && x:0 > 0 && x1:0 > 0 && x4:0 > 0 && x5:0 > 0 && x3:0 + 2 <= x1:0 && x:0 >= x2:0 + 2 ---------------------------------------- (7) TempFilterProof (SOUND) Used the following sort dictionary for filtering: f193_0_count_GE(INTEGER, INTEGER, INTEGER, INTEGER) Replaced non-predefined constructor symbols by 0. ---------------------------------------- (8) Obligation: Rules: f193_0_count_GE(x:0, x1:0, x2:0, x3:0) -> f193_0_count_GE(x4:0, x5:0, x2:0, c) :|: c = x3:0 + 1 && (x3:0 <= x2:0 - 1 && x3:0 > -1 && x:0 >= x4:0 && x5:0 - 1 <= x1:0 && x:0 > 0 && x1:0 > 0 && x4:0 > 0 && x5:0 > 0 && x3:0 + 2 <= x1:0 && x:0 >= x2:0 + 2) ---------------------------------------- (9) PolynomialOrderProcessor (EQUIVALENT) Found the following polynomial interpretation: [f193_0_count_GE(x, x1, x2, x3)] = x2 - x3 The following rules are decreasing: f193_0_count_GE(x:0, x1:0, x2:0, x3:0) -> f193_0_count_GE(x4:0, x5:0, x2:0, c) :|: c = x3:0 + 1 && (x3:0 <= x2:0 - 1 && x3:0 > -1 && x:0 >= x4:0 && x5:0 - 1 <= x1:0 && x:0 > 0 && x1:0 > 0 && x4:0 > 0 && x5:0 > 0 && x3:0 + 2 <= x1:0 && x:0 >= x2:0 + 2) The following rules are bounded: f193_0_count_GE(x:0, x1:0, x2:0, x3:0) -> f193_0_count_GE(x4:0, x5:0, x2:0, c) :|: c = x3:0 + 1 && (x3:0 <= x2:0 - 1 && x3:0 > -1 && x:0 >= x4:0 && x5:0 - 1 <= x1:0 && x:0 > 0 && x1:0 > 0 && x4:0 > 0 && x5:0 > 0 && x3:0 + 2 <= x1:0 && x:0 >= x2:0 + 2) ---------------------------------------- (10) YES